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• WD MBWE II (White Strip Light) 2TB - unable to access data

  - by user210477

  I have a WD MBWE II (White Strip Light) 2TB - (WD20000H2NC-00) Was working fine until a few days ago. I guess there was a power failure and after that I am unable to access the 'Public' or the 'Download' folder anymore. I have been searching for answers everywhere but came up empty handed. Web GUI still works, SSH works. I hooked up both the drives on my PC and UFS Explorer sees the drive. But so far I am unable to retrieve any of my data. I do not remember what RAID setting I used when I first got the drive. I can see from GUI that it is set as "Stripe". The drive contains 10 years of family pictures which I really do not want to loose. Sadly and stupidly, I didn't even keep a backup of this drive. Can somebody please help or point me in the right direction. Thank you in advance for your help. Disk Utility on Ubuntu reports 1405 bad sectors on one drive. How can I retrieve my data? Please help. Logs below: ~ # mdadm --detail /dev/md[012345678] /dev/md0: Version : 0.90 Creation Time : Wed Jul 15 08:36:17 2009 Raid Level : raid1 Array Size : 1959872 (1914.26 MiB 2006.91 MB) Used Dev Size : 1959872 (1914.26 MiB 2006.91 MB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 0 Persistence : Superblock is persistent Update Time : Fri Nov 1 13:53:29 2013 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 UUID : 04f7a661:98983b3b:26b29e4f:9b646adb Events : 0.266 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 17 1 active sync /dev/sdb1 /dev/md1: Version : 0.90 Creation Time : Wed Jul 15 08:36:18 2009 Raid Level : raid1 Array Size : 256896 (250.92 MiB 263.06 MB) Used Dev Size : 256896 (250.92 MiB 263.06 MB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Wed Oct 30 22:08:21 2013 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 UUID : aaa7b859:c475312d:efc5a766:6526b867 Events : 0.10 Number Major Minor RaidDevice State 0 8 2 0 active sync /dev/sda2 1 8 18 1 active sync /dev/sdb2 /dev/md2: Version : 0.90 Creation Time : Sat Sep 25 10:01:26 2010 Raid Level : raid0 Array Size : 1947045760 (1856.85 GiB 1993.77 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 2 Persistence : Superblock is persistent Update Time : Fri Nov 1 13:30:53 2013 State : active Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Chunk Size : 64K UUID : 01dae60a:6831077b:77f74530:8680c183 Events : 0.97 Number Major Minor RaidDevice State 0 8 4 0 active sync /dev/sda4 1 8 20 1 active sync /dev/sdb4 /dev/md3: Version : 0.90 Creation Time : Wed Jul 15 08:36:18 2009 Raid Level : raid1 Array Size : 987904 (964.91 MiB 1011.61 MB) Used Dev Size : 987904 (964.91 MiB 1011.61 MB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 3 Persistence : Superblock is persistent Update Time : Fri Nov 1 13:26:33 2013 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 UUID : 3f4099f2:72e6171b:5ba962fd:48464a62 Events : 0.54 Number Major Minor RaidDevice State 0 8 3 0 active sync /dev/sda3 1 8 19 1 active sync /dev/sdb3 mdadm: md device /dev/md4 does not appear to be active. mdadm: md device /dev/md5 does not appear to be active. mdadm: md device /dev/md6 does not appear to be active. mdadm: md device /dev/md7 does not appear to be active. mdadm: md device /dev/md8 does not appear to be active. ~ # cat /etc/mtab securityfs /sys/kernel/security securityfs rw 0 0 /dev/md2 /DataVolume xfs rw,usrquota 0 0 /dev/md4 /ExtendVolume xfs rw,usrquota 0 0 ~ # df -k Filesystem 1k-blocks Used Available Use% Mounted on /dev/md0 1929044 145092 1685960 8% / /dev/md3 972344 123452 799500 13% /var /dev/ram0 63412 20 63392 0% /mnt/ram ~ # mdadm -D /dev/md2 /dev/md2: Version : 0.90 Creation Time : Sat Sep 25 10:01:26 2010 Raid Level : raid0 Array Size : 1947045760 (1856.85 GiB 1993.77 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 2 Persistence : Superblock is persistent Update Time : Fri Nov 1 13:30:53 2013 State : active Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Chunk Size : 64K UUID : 01dae60a:6831077b:77f74530:8680c183 Events : 0.97 Number Major Minor RaidDevice State 0 8 4 0 active sync /dev/sda4 1 8 20 1 active sync /dev/sdb4 ~ # mdadm -D /dev/md4 mdadm: md device /dev/md4 does not appear to be active. ~ # mount /dev/root on / type ext3 (rw,noatime,data=ordered) proc on /proc type proc (rw) sys on /sys type sysfs (rw) /dev/pts on /dev/pts type devpts (rw) securityfs on /sys/kernel/security type securityfs (rw) /dev/md3 on /var type ext3 (rw,noatime,data=ordered) /dev/ram0 on /mnt/ram type tmpfs (rw) ~ # cat /var/log/messages Oct 29 18:04:50 shmotashNAS daemon.warn wixEvent[3462]: Network Link - NIC 1 link is down. Oct 29 18:04:59 shmotashNAS daemon.info wixEvent[3462]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 29 18:04:59 shmotashNAS daemon.info wixEvent[3462]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 29 18:17:45 shmotashNAS daemon.warn wixEvent[3462]: Network Link - NIC 1 link is down. Oct 29 18:17:53 shmotashNAS daemon.info wixEvent[3462]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 29 18:17:53 shmotashNAS daemon.info wixEvent[3462]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 00:50:11 shmotashNAS daemon.warn wixEvent[3462]: Network Link - NIC 1 link is down. Oct 30 00:50:19 shmotashNAS daemon.info wixEvent[3462]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 00:50:19 shmotashNAS daemon.info wixEvent[3462]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 16:29:47 shmotashNAS daemon.warn wixEvent[3462]: Network Link - NIC 1 link is down. Oct 30 16:30:00 shmotashNAS daemon.info wixEvent[3462]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 16:30:00 shmotashNAS daemon.info wixEvent[3462]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 18:27:22 shmotashNAS daemon.warn wixEvent[3462]: Network Link - NIC 1 link is down. Oct 30 18:27:30 shmotashNAS daemon.info wixEvent[3462]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 18:27:30 shmotashNAS daemon.info wixEvent[3462]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 19:06:03 shmotashNAS daemon.warn wixEvent[3462]: Network Link - NIC 1 link is down. Oct 30 19:06:10 shmotashNAS daemon.info wixEvent[3462]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 19:06:10 shmotashNAS daemon.info wixEvent[3462]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 19:14:58 shmotashNAS daemon.warn wixEvent[3462]: Media Server - Media Server cannot find the path to one or more of the default folders: /Public/Shared Music, /Public/Shared Pictures or /Public/Shared Videos. Please verify that these folders have not been removed or that the names have not been changed. Oct 30 19:20:05 shmotashNAS daemon.alert wixEvent[3462]: Thermal Alarm - System temperature exceeded threshold.(66 degrees) Oct 30 19:58:29 shmotashNAS daemon.alert wixEvent[3462]: HDD SMART - HDD 1 SMART Health Status: Failed. Oct 30 22:05:39 shmotashNAS daemon.info init: Starting pid 13043, console /dev/null: '/usr/bin/killall' Oct 30 22:05:39 shmotashNAS syslog.info System log daemon exiting. Oct 30 22:08:09 shmotashNAS syslog.info syslogd started: BusyBox v1.1.1 Oct 30 22:08:09 shmotashNAS daemon.warn wixEvent[3557]: Network Link - NIC 1 link is down. Oct 30 22:08:19 shmotashNAS daemon.info wixEvent[3557]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 22:08:25 shmotashNAS daemon.warn wixEvent[3557]: Network Link - NIC 1 link is down. Oct 30 22:08:37 shmotashNAS daemon.info wixEvent[3557]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 22:08:44 shmotashNAS daemon.warn wixEvent[3557]: Network Link - NIC 1 link is down. Oct 30 22:08:46 shmotashNAS syslog.info miocrawler: +++++++++++++++ START OF ./miocrawler at 2013:10:30 - 22:08:46 [Version 01.09.00.96] ++++++++++++++ Oct 30 22:08:46 shmotashNAS syslog.info miocrawler: mc_db_init ... Oct 30 22:08:46 shmotashNAS syslog.info miocrawler: ****** database does not exist. ret = -1, creating path Oct 30 22:08:49 shmotashNAS syslog.info miocrawler: === mc_db_init ...Done. Oct 30 22:08:50 shmotashNAS syslog.info miocrawler: mcUtilsInit() Creating free queue pool Oct 30 22:08:51 shmotashNAS syslog.info miocrawler: === mcUtilsInit() Done. Oct 30 22:08:51 shmotashNAS syslog.info miocrawler: === inotify init done. Oct 30 22:08:51 shmotashNAS syslog.info miocrawler: mc_trans_updater_init() ... Oct 30 22:08:52 shmotashNAS syslog.info miocrawler: === mc_trans_updater_init() ...Done. Oct 30 22:08:52 shmotashNAS syslog.info miocrawler: === Walking directory done. Oct 30 22:08:57 shmotashNAS daemon.info wixEvent[3557]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 22:08:57 shmotashNAS daemon.info wixEvent[3557]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 22:08:57 shmotashNAS daemon.info wixEvent[3557]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 22:08:57 shmotashNAS daemon.info wixEvent[3557]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 22:09:10 shmotashNAS daemon.info init: Starting pid 4605, console /dev/null: '/bin/touch' Oct 30 22:09:10 shmotashNAS daemon.info init: Starting pid 4607, console /dev/ttyS0: '/sbin/getty' Oct 30 22:09:10 shmotashNAS daemon.info wixEvent[3557]: System Startup - System startup. Oct 30 22:09:16 shmotashNAS daemon.warn wixEvent[3557]: Media Server - Media Server cannot find the path to one or more of the default folders: /Public/Shared Music, /Public/Shared Pictures or /Public/Shared Videos. Please verify that these folders have not been removed or that the names have not been changed. Oct 30 22:14:14 shmotashNAS daemon.warn wixEvent[3557]: Network Link - NIC 1 link is down. Oct 30 22:14:21 shmotashNAS daemon.info wixEvent[3557]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 22:14:21 shmotashNAS daemon.info wixEvent[3557]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 22:29:36 shmotashNAS daemon.warn wixEvent[3557]: System Reboot - System will reboot. Oct 30 22:29:40 shmotashNAS daemon.info init: Starting pid 5974, console /dev/null: '/usr/bin/killall' Oct 30 22:29:40 shmotashNAS syslog.info System log daemon exiting. Oct 30 22:47:56 shmotashNAS syslog.info syslogd started: BusyBox v1.1.1 Oct 30 22:47:56 shmotashNAS daemon.warn wixEvent[3461]: Network Link - NIC 1 link is down. Oct 30 22:48:02 shmotashNAS daemon.info wixEvent[3461]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 22:48:02 shmotashNAS daemon.info wixEvent[3461]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 22:48:09 shmotashNAS syslog.info miocrawler: +++++++++++++++ START OF ./miocrawler at 2013:10:30 - 22:48:09 [Version 01.09.00.96] ++++++++++++++ Oct 30 22:48:09 shmotashNAS syslog.info miocrawler: mc_db_init ... Oct 30 22:48:09 shmotashNAS syslog.info miocrawler: ++++++++ database exists: ret = 0 Oct 30 22:48:10 shmotashNAS syslog.info miocrawler: === mc_db_init ...Done. Oct 30 22:48:10 shmotashNAS syslog.info miocrawler: mcUtilsInit() Creating free queue pool Oct 30 22:48:11 shmotashNAS syslog.info miocrawler: === mcUtilsInit() Done. Oct 30 22:48:11 shmotashNAS syslog.info miocrawler: === inotify init done. Oct 30 22:48:11 shmotashNAS syslog.info miocrawler: mc_trans_updater_init() ... Oct 30 22:48:11 shmotashNAS syslog.info miocrawler: === mc_trans_updater_init() ...Done. Oct 30 22:48:11 shmotashNAS syslog.info miocrawler: === Walking directory done. Oct 30 22:48:27 shmotashNAS daemon.info init: Starting pid 4079, console /dev/null: '/bin/touch' Oct 30 22:48:27 shmotashNAS daemon.info init: Starting pid 4080, console /dev/ttyS0: '/sbin/getty' Oct 30 22:48:28 shmotashNAS daemon.info wixEvent[3461]: System Startup - System startup. Oct 30 22:49:01 shmotashNAS daemon.warn wixEvent[3461]: Media Server - Media Server cannot find the path to one or more of the default folders: /Public/Shared Music, /Public/Shared Pictures or /Public/Shared Videos. Please verify that these folders have not been removed or that the names have not been changed. Oct 30 23:51:11 shmotashNAS daemon.warn wixEvent[3461]: System Reboot - System will reboot. Oct 30 23:51:16 shmotashNAS daemon.info init: Starting pid 6498, console /dev/null: '/usr/bin/killall' Oct 30 23:51:16 shmotashNAS syslog.info System log daemon exiting. Oct 30 23:54:19 shmotashNAS syslog.info syslogd started: BusyBox v1.1.1 Oct 30 23:55:37 shmotashNAS daemon.info wixEvent[3476]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 30 23:55:37 shmotashNAS daemon.info wixEvent[3476]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 30 23:55:44 shmotashNAS syslog.info miocrawler: +++++++++++++++ START OF ./miocrawler at 2013:10:30 - 23:55:44 [Version 01.09.00.96] ++++++++++++++ Oct 30 23:55:44 shmotashNAS syslog.info miocrawler: mc_db_init ... Oct 30 23:55:44 shmotashNAS syslog.info miocrawler: ++++++++ database exists: ret = 0 Oct 30 23:55:45 shmotashNAS syslog.info miocrawler: === mc_db_init ...Done. Oct 30 23:55:45 shmotashNAS syslog.info miocrawler: mcUtilsInit() Creating free queue pool Oct 30 23:55:46 shmotashNAS syslog.info miocrawler: === mcUtilsInit() Done. Oct 30 23:55:46 shmotashNAS syslog.info miocrawler: === inotify init done. Oct 30 23:55:46 shmotashNAS syslog.info miocrawler: mc_trans_updater_init() ... Oct 30 23:55:46 shmotashNAS syslog.info miocrawler: === mc_trans_updater_init() ...Done. Oct 30 23:55:46 shmotashNAS syslog.info miocrawler: === Walking directory done. Oct 30 23:55:58 shmotashNAS daemon.info init: Starting pid 4115, console /dev/null: '/bin/touch' Oct 30 23:55:58 shmotashNAS daemon.info init: Starting pid 4116, console /dev/ttyS0: '/sbin/getty' Oct 30 23:55:58 shmotashNAS daemon.info wixEvent[3476]: System Startup - System startup. Oct 30 23:56:33 shmotashNAS daemon.warn wixEvent[3476]: Media Server - Media Server cannot find the path to one or more of the default folders: /Public/Shared Music, /Public/Shared Pictures or /Public/Shared Videos. Please verify that these folders have not been removed or that the names have not been changed. Oct 31 00:29:14 shmotashNAS auth.info sshd[5409]: Server listening on 0.0.0.0 port 22. Oct 31 00:31:25 shmotashNAS auth.info sshd[5486]: Accepted password for root from 192.168.1.100 port 50785 ssh2 Oct 31 00:33:44 shmotashNAS auth.info sshd[5565]: Accepted password for root from 192.168.1.100 port 50817 ssh2 Oct 31 00:36:39 shmotashNAS daemon.info init: Starting pid 5680, console /dev/null: '/usr/bin/killall' Oct 31 00:36:39 shmotashNAS syslog.info System log daemon exiting. Oct 31 00:40:44 shmotashNAS syslog.info syslogd started: BusyBox v1.1.1 Oct 31 00:40:51 shmotashNAS daemon.info wixEvent[3464]: Network Link - NIC 1 link is up 100 Mbps full duplex. Oct 31 00:40:51 shmotashNAS daemon.info wixEvent[3464]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Oct 31 00:41:00 shmotashNAS syslog.info miocrawler: +++++++++++++++ START OF ./miocrawler at 2013:10:31 - 00:41:00 [Version 01.09.00.96] ++++++++++++++ Oct 31 00:41:00 shmotashNAS syslog.info miocrawler: mc_db_init ... Oct 31 00:41:00 shmotashNAS syslog.info miocrawler: ++++++++ database exists: ret = 0 Oct 31 00:41:00 shmotashNAS syslog.info miocrawler: === mc_db_init ...Done. Oct 31 00:41:01 shmotashNAS syslog.info miocrawler: mcUtilsInit() Creating free queue pool Oct 31 00:41:02 shmotashNAS syslog.info miocrawler: === mcUtilsInit() Done. Oct 31 00:41:02 shmotashNAS syslog.info miocrawler: === inotify init done. Oct 31 00:41:02 shmotashNAS syslog.info miocrawler: mc_trans_updater_init() ... Oct 31 00:41:02 shmotashNAS syslog.info miocrawler: === mc_trans_updater_init() ...Done. Oct 31 00:41:02 shmotashNAS syslog.info miocrawler: === Walking directory done. Oct 31 00:41:14 shmotashNAS daemon.info init: Starting pid 4101, console /dev/null: '/bin/touch' Oct 31 00:41:14 shmotashNAS daemon.info init: Starting pid 4102, console /dev/ttyS0: '/sbin/getty' Oct 31 00:41:15 shmotashNAS daemon.info wixEvent[3464]: System Startup - System startup. Oct 31 00:41:47 shmotashNAS daemon.warn wixEvent[3464]: Media Server - Media Server cannot find the path to one or more of the default folders: /Public/Shared Music, /Public/Shared Pictures or /Public/Shared Videos. Please verify that these folders have not been removed or that the names have not been changed. Oct 31 01:13:19 shmotashNAS daemon.info init: Starting pid 5385, console /dev/null: '/usr/bin/killall' Oct 31 01:13:19 shmotashNAS syslog.info System log daemon exiting. Nov 1 13:26:25 shmotashNAS syslog.info syslogd started: BusyBox v1.1.1 Nov 1 13:26:32 shmotashNAS daemon.info wixEvent[3471]: Network Link - NIC 1 link is up 100 Mbps full duplex. Nov 1 13:26:32 shmotashNAS daemon.info wixEvent[3471]: Network IP Address - NIC 1 use static IP address 192.168.1.102 Nov 1 13:26:38 shmotashNAS syslog.info miocrawler: +++++++++++++++ START OF ./miocrawler at 2013:11:01 - 13:26:38 [Version 01.09.00.96] ++++++++++++++ Nov 1 13:26:38 shmotashNAS syslog.info miocrawler: mc_db_init ... Nov 1 13:26:38 shmotashNAS syslog.info miocrawler: ++++++++ database exists: ret = 0 Nov 1 13:26:39 shmotashNAS syslog.info miocrawler: === mc_db_init ...Done. Nov 1 13:26:39 shmotashNAS syslog.info miocrawler: mcUtilsInit() Creating free queue pool Nov 1 13:26:40 shmotashNAS syslog.info miocrawler: === mcUtilsInit() Done. Nov 1 13:26:40 shmotashNAS syslog.info miocrawler: === inotify init done. Nov 1 13:26:40 shmotashNAS syslog.info miocrawler: mc_trans_updater_init() ... Nov 1 13:26:40 shmotashNAS syslog.info miocrawler: === mc_trans_updater_init() ...Done. Nov 1 13:26:40 shmotashNAS syslog.info miocrawler: === Walking directory done. Nov 1 13:26:52 shmotashNAS daemon.info init: Starting pid 4078, console /dev/null: '/bin/touch' Nov 1 13:26:52 shmotashNAS daemon.info init: Starting pid 4079, console /dev/ttyS0: '/sbin/getty' Nov 1 13:26:52 shmotashNAS daemon.info wixEvent[3471]: System Startup - System startup. Nov 1 13:27:28 shmotashNAS daemon.warn wixEvent[3471]: Media Server - Media Server cannot find the path to one or more of the default folders: /Public/Shared Music, /Public/Shared Pictures or /Public/Shared Videos. Please verify that these folders have not been removed or that the names have not been changed. Nov 1 13:44:48 shmotashNAS auth.info sshd[5375]: Accepted password for root from 192.168.1.103 port 50217 ssh2 Nov 1 13:51:08 shmotashNAS auth.info sshd[5894]: Accepted password for root from 192.168.1.103 port 50380 ssh2

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• How to export computers from Active Directory to XML using Powershell?

  - by CoDeRs

  I am trying to create a powershell scripts for Remote Desktop Connection Manager using the active directory module. My first thought was get a list of computers in AD and parse them out into XML format similar to the OU structure that is in AD. I have no problem with that, the below code will work just but not how I wanted. EG # here is a the array $OUs Americas/Canada/Canada Computers/Desktops Americas/Canada/Canada Computers/Laptops Americas/Canada/Canada Computers/Virtual Computers Americas/USA/USA Computers/Laptops Computers Disabled Accounts Domain Controllers EMEA/UK/UK Computers/Desktops EMEA/UK/UK Computers/Laptops Outside Sales and Service/Laptops Servers I wanted to have the basic XML structured like this Americas Canada Canada Computers Desktops Laptops Virtual Computers USA USA Computers Laptops Computers Disabled Accounts Domain Controllers EMEA UK UK Computers Desktops Laptops Outside Sales and Service Laptops Servers However if you run the below it does not nest the next string in the array it only restarts the from the beginning and duplicating Americas Canada Canada Computers Desktops Americas Canada Canada Computers Laptops Americas Canada Canada Computers Virtual Computers Americas USA USA Computers Laptops RDCMGenerator.ps1 #Importing Microsoft`s PowerShell-module for administering ActiveDirectory Import-Module ActiveDirectory #Initial variables $OUs = @() $RDCMVer = "2.2" $userName = "domain\username" $password = "Hashed Password+" $Path = "$env:temp\test.xml" $allComputers = Get-ADComputer -LDAPFilter "(OperatingSystem=*)" -Properties Name,Description,CanonicalName | Sort-Object CanonicalName | select Name,Description,CanonicalName $allOUObjects = $allComputers | Foreach {"$($_.CanonicalName)"} Function Initialize-XML{ ##<RDCMan schemaVersion="1"> $xmlWriter.WriteStartElement('RDCMan') $XmlWriter.WriteAttributeString('schemaVersion', '1') $xmlWriter.WriteElementString('version',$RDCMVer) $xmlWriter.WriteStartElement('file') $xmlWriter.WriteStartElement('properties') $xmlWriter.WriteElementString('name',$env:userdomain) $xmlWriter.WriteElementString('expanded','true') $xmlWriter.WriteElementString('comment','') $xmlWriter.WriteStartElement('logonCredentials') $XmlWriter.WriteAttributeString('inherit', 'None') $xmlWriter.WriteElementString('userName',$userName) $xmlWriter.WriteElementString('domain',$env:userdomain) $xmlWriter.WriteStartElement('password') $XmlWriter.WriteAttributeString('storeAsClearText', 'false') $XmlWriter.WriteRaw($password) $xmlWriter.WriteEndElement() $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('connectionSettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('gatewaySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('remoteDesktop') $XmlWriter.WriteAttributeString('inherit', 'None') $xmlWriter.WriteElementString('size','1024 x 768') $xmlWriter.WriteElementString('sameSizeAsClientArea','True') $xmlWriter.WriteElementString('fullScreen','False') $xmlWriter.WriteElementString('colorDepth','32') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('localResources') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('securitySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('displaySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteEndElement() } Function Create-Group ($groupName){ #Start Group $xmlWriter.WriteStartElement('properties') $xmlWriter.WriteElementString('name',$groupName) $xmlWriter.WriteElementString('expanded','true') $xmlWriter.WriteElementString('comment','') $xmlWriter.WriteStartElement('logonCredentials') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('connectionSettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('gatewaySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('remoteDesktop') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('localResources') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('securitySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('displaySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteEndElement() } Function Create-Server ($computerName, $computerDescription) { #Start Server $xmlWriter.WriteStartElement('server') $xmlWriter.WriteElementString('name',$computerName) $xmlWriter.WriteElementString('displayName',$computerDescription) $xmlWriter.WriteElementString('comment','') $xmlWriter.WriteStartElement('logonCredentials') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('connectionSettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('gatewaySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('remoteDesktop') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('localResources') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('securitySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteStartElement('displaySettings') $XmlWriter.WriteAttributeString('inherit', 'FromParent') $xmlWriter.WriteEndElement() $xmlWriter.WriteEndElement() #Stop Server } Function Close-XML { $xmlWriter.WriteEndElement() $xmlWriter.WriteEndElement() # finalize the document: $xmlWriter.Flush() $xmlWriter.Close() notepad $path } #Strip out Domain and Computer Name from CanonicalName foreach($OU in $allOUObjects){ $newSplit = $OU.split("/") $rebildOU = "" for($i=1; $i -le ($newSplit.count - 2); $i++){ $rebildOU += $newSplit[$i] + "/" } $OUs += $rebildOU.substring(0,($rebildOU.length - 1)) } #Remove Duplicate OU's $OUs = $OUs | select -uniq #$OUs # get an XMLTextWriter to create the XML $XmlWriter = New-Object System.XMl.XmlTextWriter($Path,$UTF8) # choose a pretty formatting: $xmlWriter.Formatting = 'Indented' $xmlWriter.Indentation = 1 $XmlWriter.IndentChar = "`t" # write the header $xmlWriter.WriteStartDocument() # # 'encoding', 'utf-8' How? # # set XSL statements #Initialize Pre-Defined XML Initialize-XML ######################################################### # Start Loop for each OU-Path that has a computer in it ######################################################### foreach ($OU in $OUs){ $totalGroupName = "" #Create / Reset Total OU-Path Completed $OU.split("/") | foreach { #Split the OU-Path into individual OU's $groupName = "$_" #Current OU $totalGroupName += $groupName + "/" #Total OU-Path Completed $xmlWriter.WriteStartElement('group') #Start new XML Group Create-Group $groupName #Call function to create XML Group ################################################ # Start Loop for each Computer in $allComputers ################################################ foreach($computer in $allComputers){ $computerOU = $computer.CanonicalName #Set the computers OU-Path $OUSplit = $computerOU.split("/") #Create the Split for the OU-Path $rebiltOU = "" #Create / Reset the stripped OU-Path for($i=1; $i -le ($OUSplit.count - 2); $i++){ #Start Loop for OU-Path to strip out the Domain and Computer Name $rebiltOU += $OUSplit[$i] + "/" #Rebuild the stripped OU-Path } if ($rebiltOU -eq $totalGroupName){ #Compare the Current OU-Path with the computers stripped OU-Path $computerName = $computer.Name #Set the computer name $computerDescription = $computerName + " - " + $computer.Description #Set the computer Description Create-Server $computerName $computerDescription #Call function to create XML Server } } } ################################################### # Start Loop to close out XML Groups created above ################################################### $totalGroupName.split("/") | foreach { #Split the if ($_ -ne "" ){ $xmlWriter.WriteEndElement() #End Group } } } Close-XML

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• OpenVPN - Windows 8 to Windows 2008 Server, not connecting

  - by niico

  I have followed this tutorial about setting up an OpenVPN Server on Windows Server - and a client on Windows (in this case Windows 8). The server appears to be running fine - but it is not connecting with this error: Mon Jul 22 19:09:04 2013 Warning: cannot open --log file: C:\Program Files\OpenVPN\log\my-laptop.log: Access is denied. (errno=5) Mon Jul 22 19:09:04 2013 OpenVPN 2.3.2 x86_64-w64-mingw32 [SSL (OpenSSL)] [LZO] [PKCS11] [eurephia] [IPv6] built on Jun 3 2013 Mon Jul 22 19:09:04 2013 MANAGEMENT: TCP Socket listening on [AF_INET]127.0.0.1:25340 Mon Jul 22 19:09:04 2013 Need hold release from management interface, waiting... Mon Jul 22 19:09:05 2013 MANAGEMENT: Client connected from [AF_INET]127.0.0.1:25340 Mon Jul 22 19:09:05 2013 MANAGEMENT: CMD 'state on' Mon Jul 22 19:09:05 2013 MANAGEMENT: CMD 'log all on' Mon Jul 22 19:09:05 2013 MANAGEMENT: CMD 'hold off' Mon Jul 22 19:09:05 2013 MANAGEMENT: CMD 'hold release' Mon Jul 22 19:09:05 2013 Socket Buffers: R=[65536->65536] S=[65536->65536] Mon Jul 22 19:09:05 2013 UDPv4 link local: [undef] Mon Jul 22 19:09:05 2013 UDPv4 link remote: [AF_INET]66.666.66.666:9999 Mon Jul 22 19:09:05 2013 MANAGEMENT: >STATE:1374494945,WAIT,,, Mon Jul 22 19:10:05 2013 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity) Mon Jul 22 19:10:05 2013 TLS Error: TLS handshake failed Mon Jul 22 19:10:05 2013 SIGUSR1[soft,tls-error] received, process restarting Mon Jul 22 19:10:05 2013 MANAGEMENT: >STATE:1374495005,RECONNECTING,tls-error,, Mon Jul 22 19:10:05 2013 Restart pause, 2 second(s) Note I have changed the IP and port no (it uses a non-standard port for security reasons). That port is open on the hardware firewall. The server logs are showing a connection attempt from my client: TLS: Initial packet from [AF_INET]118.68.xx.xx:65011, sid=081af4ed xxxxxxxx Mon Jul 22 14:19:15 2013 118.68.xx.xx:65011 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity) How can I problem solve this & find the problem? Thx Update - Client config file: ############################################## # Sample client-side OpenVPN 2.0 config file # # for connecting to multi-client server. # # # # This configuration can be used by multiple # # clients, however each client should have # # its own cert and key files. # # # # On Windows, you might want to rename this # # file so it has a .ovpn extension # ############################################## # Specify that we are a client and that we # will be pulling certain config file directives # from the server. client # Use the same setting as you are using on # the server. # On most systems, the VPN will not function # unless you partially or fully disable # the firewall for the TUN/TAP interface. ;dev tap dev tun # Windows needs the TAP-Win32 adapter name # from the Network Connections panel # if you have more than one. On XP SP2, # you may need to disable the firewall # for the TAP adapter. ;dev-node MyTap # Are we connecting to a TCP or # UDP server? Use the same setting as # on the server. ;proto tcp proto udp # The hostname/IP and port of the server. # You can have multiple remote entries # to load balance between the servers. remote 00.00.00.00 1194 ;remote 00.00.00.00 9999 ;remote my-server-2 1194 # Choose a random host from the remote # list for load-balancing. Otherwise # try hosts in the order specified. ;remote-random # Keep trying indefinitely to resolve the # host name of the OpenVPN server. Very useful # on machines which are not permanently connected # to the internet such as laptops. resolv-retry infinite # Most clients don't need to bind to # a specific local port number. nobind # Downgrade privileges after initialization (non-Windows only) ;user nobody ;group nobody # Try to preserve some state across restarts. persist-key persist-tun # If you are connecting through an # HTTP proxy to reach the actual OpenVPN # server, put the proxy server/IP and # port number here. See the man page # if your proxy server requires # authentication. ;http-proxy-retry # retry on connection failures ;http-proxy [proxy server] [proxy port #] # Wireless networks often produce a lot # of duplicate packets. Set this flag # to silence duplicate packet warnings. ;mute-replay-warnings # SSL/TLS parms. # See the server config file for more # description. It's best to use # a separate .crt/.key file pair # for each client. A single ca # file can be used for all clients. ca "C:\\Program Files\\OpenVPN\\config\\ca.crt" cert "C:\\Program Files\\OpenVPN\\config\\my-laptop.crt" key "C:\\Program Files\\OpenVPN\\config\\my-laptop.key" # Verify server certificate by checking # that the certicate has the nsCertType # field set to "server". This is an # important precaution to protect against # a potential attack discussed here: # http://openvpn.net/howto.html#mitm # # To use this feature, you will need to generate # your server certificates with the nsCertType # field set to "server". The build-key-server # script in the easy-rsa folder will do this. ns-cert-type server # If a tls-auth key is used on the server # then every client must also have the key. ;tls-auth ta.key 1 # Select a cryptographic cipher. # If the cipher option is used on the server # then you must also specify it here. ;cipher x # Enable compression on the VPN link. # Don't enable this unless it is also # enabled in the server config file. comp-lzo # Set log file verbosity. verb 3 # Silence repeating messages ;mute 20 Server config file: ################################################# # Sample OpenVPN 2.0 config file for # # multi-client server. # # # # This file is for the server side # # of a many-clients <-> one-server # # OpenVPN configuration. # # # # OpenVPN also supports # # single-machine <-> single-machine # # configurations (See the Examples page # # on the web site for more info). # # # # This config should work on Windows # # or Linux/BSD systems. Remember on # # Windows to quote pathnames and use # # double backslashes, e.g.: # # "C:\\Program Files\\OpenVPN\\config\\foo.key" # # # # Comments are preceded with '#' or ';' # ################################################# # Which local IP address should OpenVPN # listen on? (optional) ;local 00.00.00.00 # Which TCP/UDP port should OpenVPN listen on? # If you want to run multiple OpenVPN instances # on the same machine, use a different port # number for each one. You will need to # open up this port on your firewall. std 1194 port 1194 # TCP or UDP server? ;proto tcp proto udp # "dev tun" will create a routed IP tunnel, # "dev tap" will create an ethernet tunnel. # Use "dev tap0" if you are ethernet bridging # and have precreated a tap0 virtual interface # and bridged it with your ethernet interface. # If you want to control access policies # over the VPN, you must create firewall # rules for the the TUN/TAP interface. # On non-Windows systems, you can give # an explicit unit number, such as tun0. # On Windows, use "dev-node" for this. # On most systems, the VPN will not function # unless you partially or fully disable # the firewall for the TUN/TAP interface. ;dev tap dev tun # Windows needs the TAP-Win32 adapter name # from the Network Connections panel if you # have more than one. On XP SP2 or higher, # you may need to selectively disable the # Windows firewall for the TAP adapter. # Non-Windows systems usually don't need this. ;dev-node MyTap # SSL/TLS root certificate (ca), certificate # (cert), and private key (key). Each client # and the server must have their own cert and # key file. The server and all clients will # use the same ca file. # # See the "easy-rsa" directory for a series # of scripts for generating RSA certificates # and private keys. Remember to use # a unique Common Name for the server # and each of the client certificates. # # Any X509 key management system can be used. # OpenVPN can also use a PKCS #12 formatted key file # (see "pkcs12" directive in man page). ca "C:\\Program Files\\OpenVPN\\config\\ca.crt" cert "C:\\Program Files\\OpenVPN\\config\\server.crt" key "C:\\Program Files\\OpenVPN\\config\\server.key" # Diffie hellman parameters. # Generate your own with: # openssl dhparam -out dh1024.pem 1024 # Substitute 2048 for 1024 if you are using # 2048 bit keys. dh "C:\\Program Files\\OpenVPN\\config\\dh2048.pem" # Configure server mode and supply a VPN subnet # for OpenVPN to draw client addresses from. # The server will take 10.8.0.1 for itself, # the rest will be made available to clients. # Each client will be able to reach the server # on 10.8.0.1. Comment this line out if you are # ethernet bridging. See the man page for more info. server 10.8.0.0 255.255.255.0 # Maintain a record of client <-> virtual IP address # associations in this file. If OpenVPN goes down or # is restarted, reconnecting clients can be assigned # the same virtual IP address from the pool that was # previously assigned. ifconfig-pool-persist ipp.txt # Configure server mode for ethernet bridging. # You must first use your OS's bridging capability # to bridge the TAP interface with the ethernet # NIC interface. Then you must manually set the # IP/netmask on the bridge interface, here we # assume 10.8.0.4/255.255.255.0. Finally we # must set aside an IP range in this subnet # (start=10.8.0.50 end=10.8.0.100) to allocate # to connecting clients. Leave this line commented # out unless you are ethernet bridging. ;server-bridge 10.8.0.4 255.255.255.0 10.8.0.50 10.8.0.100 # Configure server mode for ethernet bridging # using a DHCP-proxy, where clients talk # to the OpenVPN server-side DHCP server # to receive their IP address allocation # and DNS server addresses. You must first use # your OS's bridging capability to bridge the TAP # interface with the ethernet NIC interface. # Note: this mode only works on clients (such as # Windows), where the client-side TAP adapter is # bound to a DHCP client. ;server-bridge # Push routes to the client to allow it # to reach other private subnets behind # the server. Remember that these # private subnets will also need # to know to route the OpenVPN client # address pool (10.8.0.0/255.255.255.0) # back to the OpenVPN server. ;push "route 192.168.10.0 255.255.255.0" ;push "route 192.168.20.0 255.255.255.0" # To assign specific IP addresses to specific # clients or if a connecting client has a private # subnet behind it that should also have VPN access, # use the subdirectory "ccd" for client-specific # configuration files (see man page for more info). # EXAMPLE: Suppose the client # having the certificate common name "Thelonious" # also has a small subnet behind his connecting # machine, such as 192.168.40.128/255.255.255.248. # First, uncomment out these lines: ;client-config-dir ccd ;route 192.168.40.128 255.255.255.248 # Then create a file ccd/Thelonious with this line: # iroute 192.168.40.128 255.255.255.248 # This will allow Thelonious' private subnet to # access the VPN. This example will only work # if you are routing, not bridging, i.e. you are # using "dev tun" and "server" directives. # EXAMPLE: Suppose you want to give # Thelonious a fixed VPN IP address of 10.9.0.1. # First uncomment out these lines: ;client-config-dir ccd ;route 10.9.0.0 255.255.255.252 # Then add this line to ccd/Thelonious: # ifconfig-push 10.9.0.1 10.9.0.2 # Suppose that you want to enable different # firewall access policies for different groups # of clients. There are two methods: # (1) Run multiple OpenVPN daemons, one for each # group, and firewall the TUN/TAP interface # for each group/daemon appropriately. # (2) (Advanced) Create a script to dynamically # modify the firewall in response to access # from different clients. See man # page for more info on learn-address script. ;learn-address ./script # If enabled, this directive will configure # all clients to redirect their default # network gateway through the VPN, causing # all IP traffic such as web browsing and # and DNS lookups to go through the VPN # (The OpenVPN server machine may need to NAT # or bridge the TUN/TAP interface to the internet # in order for this to work properly). ;push "redirect-gateway def1 bypass-dhcp" # Certain Windows-specific network settings # can be pushed to clients, such as DNS # or WINS server addresses. CAVEAT: # http://openvpn.net/faq.html#dhcpcaveats # The addresses below refer to the public # DNS servers provided by opendns.com. ;push "dhcp-option DNS 208.67.222.222" ;push "dhcp-option DNS 208.67.220.220" # Uncomment this directive to allow differenta # clients to be able to "see" each other. # By default, clients will only see the server. # To force clients to only see the server, you # will also need to appropriately firewall the # server's TUN/TAP interface. ;client-to-client # Uncomment this directive if multiple clients # might connect with the same certificate/key # files or common names. This is recommended # only for testing purposes. For production use, # each client should have its own certificate/key # pair. # # IF YOU HAVE NOT GENERATED INDIVIDUAL # CERTIFICATE/KEY PAIRS FOR EACH CLIENT, # EACH HAVING ITS OWN UNIQUE "COMMON NAME", # UNCOMMENT THIS LINE OUT. ;duplicate-cn # The keepalive directive causes ping-like # messages to be sent back and forth over # the link so that each side knows when # the other side has gone down. # Ping every 10 seconds, assume that remote # peer is down if no ping received during # a 120 second time period. keepalive 10 120 # For extra security beyond that provided # by SSL/TLS, create an "HMAC firewall" # to help block DoS attacks and UDP port flooding. # # Generate with: # openvpn --genkey --secret ta.key # # The server and each client must have # a copy of this key. # The second parameter should be '0' # on the server and '1' on the clients. ;tls-auth ta.key 0 # This file is secret # Select a cryptographic cipher. # This config item must be copied to # the client config file as well. ;cipher BF-CBC # Blowfish (default) ;cipher AES-128-CBC # AES ;cipher DES-EDE3-CBC # Triple-DES # Enable compression on the VPN link. # If you enable it here, you must also # enable it in the client config file. comp-lzo # The maximum number of concurrently connected # clients we want to allow. ;max-clients 100 # It's a good idea to reduce the OpenVPN # daemon's privileges after initialization. # # You can uncomment this out on # non-Windows systems. ;user nobody ;group nobody # The persist options will try to avoid # accessing certain resources on restart # that may no longer be accessible because # of the privilege downgrade. persist-key persist-tun # Output a short status file showing # current connections, truncated # and rewritten every minute. status openvpn-status.log # By default, log messages will go to the syslog (or # on Windows, if running as a service, they will go to # the "\Program Files\OpenVPN\log" directory). # Use log or log-append to override this default. # "log" will truncate the log file on OpenVPN startup, # while "log-append" will append to it. Use one # or the other (but not both). ;log openvpn.log ;log-append openvpn.log # Set the appropriate level of log # file verbosity. # # 0 is silent, except for fatal errors # 4 is reasonable for general usage # 5 and 6 can help to debug connection problems # 9 is extremely verbose verb 3 # Silence repeating messages. At most 20 # sequential messages of the same message # category will be output to the log. ;mute 20 I have changed IP's for security

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• jqgrid with asp.net webmethod and json working with sorting, paging, searching and LINQ

  - by aimlessWonderer

  THIS WORKS! Most topics covering jqgrid and asp.net seem to relate to just receiving JSON, or working in the MVC framework, or utilizing other handlers or web services... but not many dealt with actually passing parameters back to an actual webmethod in the codebehind. Furthermore, scarce are the examples that contain successful implementation the AJAX paging, sorting, or searching along with LINQ to SQL for asp.net jqGrid. Below is a working example that may help others who need help to pass parameters to jqGrid in order to have correct paging, sorting, filtering.. it uses pieces from here and there... ================================================== First, THE JAVASCRIPT <script type="text/javascript"> $(document).ready(function() { var grid = $("#list"); $("#list").jqGrid({ // setup custom parameter names to pass to server prmNames: { search: "isSearch", nd: null, rows: "numRows", page: "page", sort: "sortField", order: "sortOrder" }, // add by default to avoid webmethod parameter conflicts postData: { searchString: '', searchField: '', searchOper: '' }, // setup ajax call to webmethod datatype: function(postdata) { mtype: "GET", $.ajax({ url: 'PageName.aspx/getGridData', type: "POST", contentType: "application/json; charset=utf-8", data: JSON.stringify(postdata), dataType: "json", success: function(data, st) { if (st == "success") { var grid = jQuery("#list")[0]; grid.addJSONData(JSON.parse(data.d)); } }, error: function() { alert("Error with AJAX callback"); } }); }, // this is what jqGrid is looking for in json callback jsonReader: { root: "rows", page: "page", total: "totalpages", records: "totalrecords", cell: "cell", id: "id", //index of the column with the PK in it userdata: "userdata", repeatitems: true }, colNames: ['Id', 'First Name', 'Last Name'], colModel: [ { name: 'id', index: 'id', width: 55, search: false }, { name: 'fname', index: 'fname', width: 200, searchoptions: { sopt: ['eq', 'ne', 'cn']} }, { name: 'lname', index: 'lname', width: 200, searchoptions: { sopt: ['eq', 'ne', 'cn']} } ], rowNum: 10, rowList: [10, 20, 30], pager: jQuery("#pager"), sortname: "fname", sortorder: "asc", viewrecords: true, caption: "Grid Title Here" }).jqGrid('navGrid', '#pager', { edit: false, add: false, del: false }, {}, // default settings for edit {}, // add {}, // delete { closeOnEscape: true, closeAfterSearch: true}, //search {} ) }); </script> ================================================== Second, THE C# WEBMETHOD [WebMethod] public static string getGridData(int? numRows, int? page, string sortField, string sortOrder, bool isSearch, string searchField, string searchString, string searchOper) { string result = null; MyDataContext db = null; try { //--- retrieve the data db = new MyDataContext("my connection string path"); var query = from u in db.TBL_USERs select u; //--- determine if this is a search filter if (isSearch) { searchOper = getOperator(searchOper); // need to associate correct operator to value sent from jqGrid string whereClause = String.Format("{0} {1} {2}", searchField, searchOper, "@" + searchField); //--- associate value to field parameter Dictionary<string, object> param = new Dictionary<string, object>(); param.Add("@" + searchField, searchString); query = query.Where(whereClause, new object[1] { param }); } //--- setup calculations int pageIndex = page ?? 1; //--- current page int pageSize = numRows ?? 10; //--- number of rows to show per page int totalRecords = query.Count(); //--- number of total items from query int totalPages = (int)Math.Ceiling((decimal)totalRecords / (decimal)pageSize); //--- number of pages //--- filter dataset for paging and sorting IQueryable<TBL_USER> orderedRecords = query.OrderBy(sortfield); IEnumerable<TBL_USER> sortedRecords = orderedRecords.ToList(); if (sortorder == "desc") sortedRecords= sortedRecords.Reverse(); sortedRecords= sortedRecords .Skip((pageIndex - 1) * pageSize) //--- page the data .Take(pageSize); //--- format json var jsonData = new { totalpages = totalPages, //--- number of pages page = pageIndex, //--- current page totalrecords = totalRecords, //--- total items rows = ( from row in sortedRecords select new { i = row.USER_ID, cell = new string[] { row.USER_ID.ToString(), row.FNAME.ToString(), row.LNAME } } ).ToArray() }; result = Newtonsoft.Json.JsonConvert.SerializeObject(jsonData); } catch (Exception ex) { Debug.WriteLine(ex); } finally { if (db != null) db.Dispose(); } return result; } ================================================== Third, NECESSITIES In order to have dynamic OrderBy clauses in the LINQ, I had to pull in a class to my AppCode folder called 'Dynamic.cs'. You can retrieve the file from downloading here. You will find the file in the "DynamicQuery" folder. That file will give you the ability to utilized dynamic ORDERBY clause since we don't know what column we're filtering by except on the initial load. To serialize the JSON back from the C-sharp to the JS, I incorporated the James Newton-King JSON.net DLL found here : http://json.codeplex.com/releases/view/37810. After downloading, there is a "Newtonsoft.Json.Compact.dll" which you can add in your Bin folder as a reference Here's my USING's block using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Web.UI.WebControls; using System.Web.Services; using System.Linq.Dynamic; For the Javascript references, I'm using the following scripts in respective order in case that helps some folks: 1) jquery-1.3.2.min.js ... 2) jquery-ui-1.7.2.custom.min.js ... 3) json.min.js ... 4) i18n/grid.locale-en.js ... 5) jquery.jqGrid.min.js For the CSS, I'm using jqGrid's necessities as well as the jQuery UI Theme: 1) jquery_theme/jquery-ui-1.7.2.custom.css ... 2) ui.jqgrid.css The key to getting the parameters from the JS to the WebMethod without having to parse an unserialized string on the backend or having to setup some JS logic to switch methods for different numbers of parameters was this block postData: { searchString: '', searchField: '', searchOper: '' }, Those parameters will still be set correctly when you actually do a search and then reset to empty when you "reset" or want the grid to not do any filtering Hope this helps some others!!!! Please reply if you find major issues or ways of refactoring or doing better that I haven't considered.

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• Blocking access to websites with objective-C / root privileges in objective-C

  - by kvaruni

  I am writing a program in Objective-C (XCode 3.2, on Snow Leopard) that is capable of either selectively blocking certain sites for a duration or only allow certain sites (and thus block all others) for a duration. The reasoning behind this program is rather simple. I tend to get distracted when I have full internet access, but I do need internet access during my working hours to get to a number of work-related websites. Clearly, this is not a permanent block, but only helps me to focus whenever I find myself wandering a bit too much. At the moment, I am using a Unix script that is called via AppleScript to obtain Administrator permissions. It then activates a number of ipfw rules and clears those after a specific duration to restore full internet access. Simple and effective, but since I am running as a standard user, it gets cumbersome to enter my administrator password each and every time I want to go "offline". Furthermore, this is a great opportunity to learn to work with XCode and Objective-C. At the moment, everything works as expected, minus the actual blocking. I can add a number of sites in a list, specify whether or not I want to block or allow these websites and I can "start" the blocking by specifying a time until which I want to stay "offline". However, I find it hard to obtain clear information on how I can run a privileged Unix command from Objective-C. Ideally, I would like to be able to store information with respect to the Administrator account into the Keychain to use these later on, so that I can simply move into "offline" mode with the convenience of clicking a button. Even more ideally, there might be some class in Objective-C with which I can block access to some/all websites for this particular user without needing to rely on privileged Unix commands. A third possibility is in starting this program with root permissions and the reducing the permissions until I need them, but since this is a GUI application that is nested in the menu bar of OS X, the results are rather awkward and getting it to run each and every time with root permission is no easy task. Anyone who can offer me some pointers or advice? Please, no security-warnings, I am fully aware that what I want to do is a potential security threat.

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• LINQ to Entities for subtracting 2 dates

  - by Michael I

  I am trying to determine the number of days between 2 dates using LINQ with Entity Framework. It is telling me that it does not recognize Subtract on the System.TimeSpan class Here is my where portion of the LINQ query. where ((DateTime.Now.Subtract(vid.CreatedDate).TotalDays < maxAgeInDays)) Here is the error I receive in the VS.NET debugger {"LINQ to Entities does not recognize the method 'System.TimeSpan Subtract(System.DateTime)' method, and this method cannot be translated into a store expression."} Am I doing something wrong or is there a better way to get the number of days between 2 DateTimes in the entity framework? thanks Michael

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• Code Contracts with Interfaces: "Method Invocation skipped. Compiler will generate method invocation

  - by Jörg Battermann

  Good evening, I just started playing with Microsoft.Contracts (latest version) and plugging it on top of a sample interface and right now it looks like this: namespace iRMA2.Core.Interfaces { using System; using System.Collections.Generic; using System.ComponentModel.Composition; using System.Diagnostics.Contracts; /// <summary> /// Base Interface declarations for iRMA2 Extensions /// </summary> [InheritedExport] [ContractClass(typeof(IiRMA2ExtensionContract))] public interface IiRMA2Extension { /// <summary> /// Gets the name. /// </summary> /// <value>The name of the Extension.</value> string Name { get; } /// <summary> /// Gets the description. /// </summary> /// <value>The description.</value> string Description { get; } /// <summary> /// Gets the author of the extension. Please provide complete information to get in touch with author(s) and the corresponding department /// </summary> /// <value>The author of the extensions.</value> string Author { get; } /// <summary> /// Gets the major version. /// </summary> /// <value>The major version of the extension.</value> int MajorVersion { get; } /// <summary> /// Gets the minor version. /// </summary> /// <value>The minor version.</value> int MinorVersion { get; } /// <summary> /// Gets the build number. /// </summary> /// <value>The build number.</value> int BuildNumber { get; } /// <summary> /// Gets the revision. /// </summary> /// <value>The revision.</value> int Revision { get; } /// <summary> /// Gets the depends on. /// </summary> /// <value>The dependencies to other <c>IiRMA2Extension</c> this one has.</value> IList<IiRMA2Extension> DependsOn { get; } } /// <summary> /// Contract class for <c>IiRMA2Extension</c> /// </summary> [ContractClassFor(typeof(IiRMA2Extension))] internal sealed class IiRMA2ExtensionContract : IiRMA2Extension { #region Implementation of IiRMA2Extension /// <summary> /// Gets or sets the name. /// </summary> /// <value>The name of the Extension.</value> public string Name { get { Contract.Ensures(!String.IsNullOrEmpty(Contract.Result<string>())); return default(string); } set { Contract.Requires(value != null); } } /// <summary> /// Gets the description. /// </summary> /// <value>The description.</value> public string Description { get { throw new NotImplementedException(); } } /// <summary> /// Gets the author of the extension. Please provide complete information to get in touch with author(s) and the corresponding department /// </summary> /// <value>The author of the extensions.</value> public string Author { get { throw new NotImplementedException(); } } /// <summary> /// Gets the major version. /// </summary> /// <value>The major version of the extension.</value> public int MajorVersion { get { throw new NotImplementedException(); } } /// <summary> /// Gets the minor version. /// </summary> /// <value>The minor version.</value> public int MinorVersion { get { throw new NotImplementedException(); } } /// <summary> /// Gets the build number. /// </summary> /// <value>The build number.</value> public int BuildNumber { get { throw new NotImplementedException(); } } /// <summary> /// Gets the revision. /// </summary> /// <value>The revision.</value> public int Revision { get { throw new NotImplementedException(); } } /// <summary> /// Gets the Extensions this one depends on. /// </summary> /// <value>The dependencies to other <c>IiRMA2Extension</c> this one has.</value> public IList<IiRMA2Extension> DependsOn { get { Contract.Ensures(Contract.Result<IList<IiRMA2Extension>>() != null); return default(IList<IiRMA2Extension>); } } #endregion } } Now why are the two Contract.Ensures(...) 'blured' out visually with the tooltip saying "Method Invocation skipped. Compiler will generate method invocation because the method is conditional or it is partial method without implementation" and in fact the CodeContracts output does not count/show them... What am I missing & doing wrong here? -J

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• how can I code a recursive query in an Entity Framework model?

  - by Greg

  Hi, I have a model which includes NODES, and RELATIONSHIPS (that tie the nodes together, via a parent_node, child_node arrangement). Q1 - Is there any way in EF / Linq-to-entities to perform a query on nodes (e.g. context.Nodes..) to find say "all parents" or "or children" in the graph? Q2 - If there's not in Linq-to-entities, is there any other way to do this other than writing a method that manually goes through and doing it? Q3 - If manual is the only way to do it, should I be concerned about the number of database hits that will be going out to the database as the method keeps recursing through the data? Or more specifically, is there any EF caching type feature that might assist here in ensuring the method is performance from a "number of database hits" point of view? thanks thanks

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• Wildcards in jnlp template file

  - by Andy

  Since the last security changes in Java 7u40, it is required to sign a JNLP file. This can either be done by adding the final JNLP in JNLP-INF/APPLICATION.JNLP, or by providing a template JNLP in JNLP-INF/APPLICATION_TEMPLATE.JNLP in the signed main jar. The first way works well, but we would like to allow to pass a previously unknown number of runtime arguments to our application. Therefore, our APPLICATION_TEMPLATE.JNLP looks like this: <?xml version="1.0" encoding="UTF-8"?> <jnlp codebase="*"> <information> <title>...</title> <vendor>...</vendor> <description>...</description> <offline-allowed /> </information> <security> <all-permissions/> </security> <resources> <java version="1.7+" href="http://java.sun.com/products/autodl/j2se" /> <jar href="launcher/launcher.jar" main="true"/> <property name="jnlp...." value="*" /> <property name="jnlp..." value="*" /> </resources> <application-desc main-class="..."> * </application-desc> </jnlp> The problem is the * inside of the application-desc tag. It is possible to wildcard a fixed number of arguments using multiple argument tags (see code below), but then it is not possible to provide more or less arguments to the application (Java Webstart will no start with an empty argument tag). <application-desc main-class="..."> <argument>*</argument> <argument>*</argument> <argument>*</argument> </application-desc> Does someone can confirm this problem and/or has a solution for passing a previously undefined number of runtime arguments to the Java application? Thanks alot!

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• Add Comment and Reaction Count in Wordpress with Disqus plugin

  - by FS

  Okay I'm trying to add comments and reactions count just like what you would normally see on some wordpress blogs like http://johntwang.com/blog/ where on the left top of each post there is ** comment and * reactions* My problem is I can't find the disqus's documentation, where hopefully there is some method I can call to return me the number of reactions and comments. Also if I use the wordpress default method <?php comments_popup_link ('zero','one','more','CSSclass','none');?> it only displays "Comments" not even the comment's number count on the main page. How can I add reaction and comment count with disqus plugin ? edit: well my site is http://www.windows7hacker.com/ I don't know how I suppose to add comments count at first place. But right now if I use the wordpress method, it will return me only comments, which is exactlly one of the problem they have described in their help page I've tired to check the comment count option still doesn't work :(

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• Python: nonblocking read from stdout of threaded subprocess

  - by sberry2A

  I have a script (worker.py) that prints unbuffered output in the form... 1 2 3 . . . n where n is some constant number of iterations a loop in this script will make. In another script (service_controller.py) I start a number of threads, each of which starts a subprocess using subprocess.Popen(stdout=subprocess.PIPE, ...); Now, in my main thread (service_controller.py) I want to read the output of each thread's worker.py subprocess and use it to calculate an estimate for the time remaining till completion. I have all of the logic working that reads the stdout from worker.py and determines the last printed number. The problem is that I can not figure out how to do this in a non-blocking way. If I read a constant bufsize then each read will end up waiting for the same data from each of the workers. I have tried numerous ways including using fcntl, select + os.read, etc. What is my best option here? I can post my source if needed, but I figured the explanation describes the problem well enough. Thanks for any help here. EDIT Adding sample code I have a worker that starts a subprocess. class WorkerThread(threading.Thread): def __init__(self): self.completed = 0 self.process = None self.lock = threading.RLock() threading.Thread.__init__(self) def run(self): cmd = ["/path/to/script", "arg1", "arg2"] self.process = subprocess.Popen(cmd, stdout=subprocess.PIPE, bufsize=1, shell=False) #flags = fcntl.fcntl(self.process.stdout, fcntl.F_GETFL) #fcntl.fcntl(self.process.stdout.fileno(), fcntl.F_SETFL, flags | os.O_NONBLOCK) def get_completed(self): self.lock.acquire(); fd = select.select([self.process.stdout.fileno()], [], [], 5)[0] if fd: self.data += os.read(fd, 1) try: self.completed = int(self.data.split("\n")[-2]) except IndexError: pass self.lock.release() return self.completed I then have a ThreadManager. class ThreadManager(): def __init__(self): self.pool = [] self.running = [] self.lock = threading.Lock() def clean_pool(self, pool): for worker in [x for x in pool is not x.isAlive()]: worker.join() pool.remove(worker) del worker return pool def run(self, concurrent=5): while len(self.running) + len(self.pool) > 0: self.clean_pool(self.running) n = min(max(concurrent - len(self.running), 0), len(self.pool)) if n > 0: for worker in self.pool[0:n]: worker.start() self.running.extend(self.pool[0:n]) del self.pool[0:n] time.sleep(.01) for worker in self.running + self.pool: worker.join() and some code to run it. threadManager = ThreadManager() for i in xrange(0, 5): threadManager.pool.append(WorkerThread()) threadManager.run() I have stripped out a log of the other code in hopes to try to pinpoint the issue.

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• MIPS: removing non alpha-numeric characters from a string

  - by Kron

  I'm in the process of writing a program in MIPS that will determine whether or not a user entered string is a palindrome. It has three subroutines which are under construction. Here is the main block of code, subroutines to follow with relevant info: .data Buffer: .asciiz " " # 80 bytes in Buffer intro: .asciiz "Hello, please enter a string of up to 80 characters. I will then tell you if that string was a palindrome!" .text main: li $v0, 4 # print_string call number la $a0, intro # pointer to string in memory syscall li $v0, 8 #syscall code for reading string la $a0, Buffer #save read string into buffer li $a1, 80 #string is 80 bytes long syscall li $s0, 0 #i = 0 li $t0, 80 #max for i to reach la $a0, Buffer jal stripNonAlpha li $v0, 4 # print_string call number la $a0, Buffer # pointer to string in memory syscall li $s0, 0 jal findEnd jal toUpperCase li $v0, 4 # print_string call number la $a0, Buffer # pointer to string in memory syscall Firstly, it's supposed to remove all non alpha-numeric characters from the string before hand, but when it encounters a character designated for removal, all characters after that are removed. stripNonAlpha: beq $s0, $t0, stripEnd #if i = 80 end add $t4, $s0, $a0 #address of Buffer[i] in $t4 lb $s1, 0($t4) #load value of Buffer[i] addi $s0, $s0, 1 #i = i + 1 slti $t1, $s1, 48 #if ascii code is less than 48 bne $t1, $zero, strip #remove ascii character slti $t1, $s1, 58 #if ascii code is greater than 57 #and slti $t2, $s1, 65 #if ascii code is less than 65 slt $t3, $t1, $t2 bne $t3, $zero, strip #remove ascii character slti $t1, $s1, 91 #if ascii code is greater than 90 #and slti $t2, $s1, 97 #if ascii code is less than 97 slt $t3, $t1, $t2 bne $t3, $zero, strip #remove ascii character slti $t1, $s1, 123 #if ascii character is greater than 122 beq $t1, $zero, strip #remove ascii character j stripNonAlpha #go to stripNonAlpha strip: #add $t5, $s0, $a0 #address of Buffer[i] in $t5 sb $0, 0($t4) #Buffer[i] = 0 #addi $s0, $s0, 1 #i = i + 1 j stripNonAlpha #go to stripNonAlpha stripEnd: la $a0, Buffer #save modified string into buffer jr $ra #return Secondly, it is supposed to convert all lowercase characters to uppercase. toUpperCase: beq $s0, $s2, upperEnd add $t4, $s0, $a0 lb $s1, 0($t4) addi $s1, $s1, 1 slti $t1, $s1, 97 #beq $t1, $zero, upper slti $t2, $s1, 123 slt $t3, $t1, $t2 bne $t1, $zero, upper j toUpperCase upper: add $t5, $s0, $a0 addi $t6, $t6, -32 sb $t6, 0($t5) j toUpperCase upperEnd: la $a0, Buffer jr $ra The final subroutine, which checks if the string is a palindrome isn't anywhere near complete at the moment. I'm having trouble finding the end of the string because I'm not sure what PC-SPIM uses as the carriage return character. Any help is appreciated, I have the feeling most of my problems result from something silly and stupid so feel free to point out anything, no matter how small.

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• Tools to Help Post Content On Your WordPress Blog

  - by Matthew Guay

  Now that you’ve got a nice blog, you want to do more with it and start posting content.  Here we look at some tools that will allow you to post directly to your WordPress blog. Writing a new blog post is easy with WordPress as we saw in our previous post about Starting your own WordPress blog.  The web editor gives you a lot of features and even lets you edit your post’s source code if you enjoy hacking HTML.  There are other tools that will allow you to post content, here we look at how you can post with dedicated apps, browser plugins, and even by email. Windows Live Writer Windows Live Writer (part of the Windows Live Essentials Suite) is a great app for posting content to your blog.  This free program for Microsoft lets you post content to a variety of blogging services, including Blogger, Typepad, LiveJournal, and of course WordPress.  You can write blog posts directly from its Word-like editor, complete with pictures and advanced formatting.  Even if you’re offline, you can still write posts and save them for when you’re online again. For more information about installing Live writer, check out our article on how to Install Windows Live Essentials In Windows 7. Once Live Writer is installed, open it to add your blog.  If you already had Live Writer installed and configured for a blog, you can add your new blog, too.  Just click your blog’s name in the top right corner, and select “Add blog account”. Select “Other blog service” to add your WordPress blog to Writer, and click Next.   Enter your blog’s web address, and your username and password.  Check Remember my password so you don’t have to enter it every time you write something. Writer will analyze your blog and setup your account. During the setup process it may ask to post a temporary post.  This will let you preview blog posts using your blog’s real theme, which is helpful, so click Yes. Finally, add your Blog’s name, and click Finish. You can now use the rich editor to write and add content to a new blog post.   Select the Preview tab to see how your post will look on your blog… Or, if you’re a HTML geek, select the Source tab to edit the code of your blog post. From the bottom of the window, you can choose categories, insert tags, and even schedule the post to publish on a different day.  Live Writer is fully integrated with WordPress; you’re not missing anything by using the desktop editor. If you want to edit a post you’ve already published, click the Open button and select the post.  You can chose and edit any post, including ones you published via the web interface or other editors. Add Multimedia Content to your Posts with Live Writer Back in the Edit tab, you can add pictures, videos and more from the sidebar.  Select what you want to insert. Pictures If you insert a picture, you can add many nice borders and designs to it. Or, you can even add artistic effects from the Effects tab in the sidebar. Photo Gallery If you want to post several pictures, say some of your vacation shots, then inserting a picture gallery may be the best option.  Select Insert Photo Gallery in the sidebar, and then choose the pictures you want in the gallery. Once the gallery is inserted, you can choose from several styles to showcase your pictures. When you post the blog, you will be asked to sign in with your Windows Live ID as the gallery pictures will be stored in the free Skydrive storage service. Your blog readers can see the preview of your pictures directly on your blog, and then can view each individual picture, download them, or see a slideshow online via the link. Video If you want to add a video to your blog post, select Video from the sidebar as above.  You can select a video that’s already online, or you can choose a new video from file and upload it via YouTube directly from Windows Live Writer.   Note that you will have to sign in with your YouTube account to upload videos to YouTube, so if you’re not logged in you’ll be prompted to do so when you click Insert. Geek Tip:  If you ever want to copy your Live Writer settings to another computer, check out our article on how to Backup Your Windows Live Writer Settings. Microsoft Office Word Word 2007 and 2010 also let you post content directly to your blog.  This is especially nice if you’ve already typed up a document and think it would be good on your Blog as well.  Check out our in-depth tutorial on posting blog posts via Word 2007 using Word 2007 as a blogging tool. This works in Word 2010 too, except the Office Orb has been replaced by the new Backstage view.  So, in Word 2010, to start a new blog post, click File \ New then select Blog post.  Proceed as you would in Word 2007 to add your blog settings and post the content you want. Or, if you’ve already written a document and want to post it, select File \ Share (or Save and Send in the final version of Word 2010), and then click Publish as Blog Post.  If you haven’t setup your blog account yet, set it up as shown in the Word 2007 article. Post Via Email Most of us use email daily, and already have our favorite email app or service.  Whether on your desktop or mobile phone, it’s easy to create rich emails and add content.  WordPress lets you generate a unique email address that you can use to easily post content and email to your blog.  Just compose your email with the subject as the title of your post, and send it to this unique address.  Your new post will be up in minutes. To active this feature, click the My Account button in the top menu bar in your WordPress.com account, and select My Blogs. Click the Enable button under Post by Email beside your blog’s name.   Now you’ll have a private email you can use to post to your blog.  Anything you send to this email will be posted as a new post.  If you think your email may be compromised, click Regenerate to get a new publishing email address. Any email program or webapp now is a blog post editor.  Feel free to use rich formatting or insert pictures; it all comes through great.  This is also a great way to post to your blog from your mobile device.  Whether you’re using webmail or a dedicated email client on your phone, you can now blog from anywhere.   Mobile Applications WordPress also offer dedicated applications for blogging directly from your mobile device.  You can write new posts, edit existing ones, and manage comments all from your Smartphone.  Currently they offer apps for iPhone, Android, and Blackberry.  Check them out at the link below. Conclusion Whether you want to write from your browser or email a post to your blog, WordPress is flexible enough to work right along with your preferences.  However you post, you can be sure that it will look professional and be easily accessible with your WordPress blog. Download Windows Live Writer Download WordPress apps for your mobile device Similar Articles Productive Geek Tips Quick Tip: Set a Future Date for a Post in WordPressAdd Social Bookmarking (Digg This!) Links to your Wordpress BlogFuture Date a Post in Windows Live WriterHow To Start Your Own Professional Blog with WordPressUsing Word 2007 as a Blogging Tool TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows Fun with 47 charts and graphs Tomorrow is Mother’s Day Check the Average Speed of YouTube Videos You’ve Watched OutlookStatView Scans and Displays General Usage Statistics How to Add Exceptions to the Windows Firewall Office 2010 reviewed in depth by Ed Bott

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• MySQL Syslog Audit Plugin

  - by jonathonc

  This post shows the construction process of the Syslog Audit plugin that was presented at MySQL Connect 2012. It is based on an environment that has the appropriate development tools enabled including gcc,g++ and cmake. It also assumes you have downloaded the MySQL source code (5.5.16 or higher) and have compiled and installed the system into the /usr/local/mysql directory ready for use.  The information provided below is designed to show the different components that make up a plugin, and specifically an audit type plugin, and how it comes together to be used within the MySQL service. The MySQL Reference Manual contains information regarding the plugin API and how it can be used, so please refer there for more detailed information. The code in this post is designed to give the simplest information necessary, so handling every return code, managing race conditions etc is not part of this example code. Let's start by looking at the most basic implementation of our plugin code as seen below: /*    Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.    Author:  Jonathon Coombes    Licence: GPL    Description: An auditing plugin that logs to syslog and                 can adjust the loglevel via the system variables. */ #include <stdio.h> #include <string.h> #include <mysql/plugin_audit.h> #include <syslog.h> There is a commented header detailing copyright/licencing and meta-data information and then the include headers. The two important include statements for our plugin are the syslog.h plugin, which gives us the structures for syslog, and the plugin_audit.h include which has details regarding the audit specific plugin api. Note that we do not need to include the general plugin header plugin.h, as this is done within the plugin_audit.h file already. To implement our plugin within the current implementation we need to add it into our source code and compile. > cd /usr/local/src/mysql-5.5.28/plugin > mkdir audit_syslog > cd audit_syslog A simple CMakeLists.txt file is created to manage the plugin compilation: MYSQL_ADD_PLUGIN(audit_syslog audit_syslog.cc MODULE_ONLY) Run the cmake  command at the top level of the source and then you can compile the plugin using the 'make' command. This results in a compiled audit_syslog.so library, but currently it is not much use to MySQL as there is no level of api defined to communicate with the MySQL service. Now we need to define the general plugin structure that enables MySQL to recognise the library as a plugin and be able to install/uninstall it and have it show up in the system. The structure is defined in the plugin.h file in the MySQL source code.  /*   Plugin library descriptor */ mysql_declare_plugin(audit_syslog) {   MYSQL_AUDIT_PLUGIN,           /* plugin type                    */   &audit_syslog_descriptor,     /* descriptor handle               */   "audit_syslog",               /* plugin name                     */   "Author Name",                /* author                          */   "Simple Syslog Audit",        /* description                     */   PLUGIN_LICENSE_GPL,           /* licence                         */   audit_syslog_init,            /* init function     */   audit_syslog_deinit,          /* deinit function */   0x0001,                       /* plugin version                  */   NULL,                         /* status variables        */   NULL,                         /* system variables                */   NULL,                         /* no reserves                     */   0,                            /* no flags                        */ } mysql_declare_plugin_end; The general plugin descriptor above is standard for all plugin types in MySQL. The plugin type is defined along with the init/deinit functions and interface methods into the system for sharing information, and various other metadata information. The descriptors have an internally recognised version number so that plugins can be matched against the api on the running server. The other details are usually related to the type-specific methods and structures to implement the plugin. Each plugin has a type-specific descriptor as well which details how the plugin is implemented for the specific purpose of that plugin type. /*   Plugin type-specific descriptor */ static struct st_mysql_audit audit_syslog_descriptor= {   MYSQL_AUDIT_INTERFACE_VERSION,                        /* interface version    */   NULL,                                                 /* release_thd function */   audit_syslog_notify,                                  /* notify function      */   { (unsigned long) MYSQL_AUDIT_GENERAL_CLASSMASK |                     MYSQL_AUDIT_CONNECTION_CLASSMASK }  /* class mask           */ }; In this particular case, the release_thd function has not been defined as it is not required. The important method for auditing is the notify function which is activated when an event occurs on the system. The notify function is designed to activate on an event and the implementation will determine how it is handled. For the audit_syslog plugin, the use of the syslog feature sends all events to the syslog for recording. The class mask allows us to determine what type of events are being seen by the notify function. There are currently two major types of event: 1. General Events: This includes general logging, errors, status and result type events. This is the main one for tracking the queries and operations on the database. 2. Connection Events: This group is based around user logins. It monitors connections and disconnections, but also if somebody changes user while connected. With most audit plugins, the principle behind the plugin is to track changes to the system over time and counters can be an important part of this process. The next step is to define and initialise the counters that are used to track the events in the service. There are 3 counters defined in total for our plugin - the # of general events, the # of connection events and the total number of events.  static volatile int total_number_of_calls; /* Count MYSQL_AUDIT_GENERAL_CLASS event instances */ static volatile int number_of_calls_general; /* Count MYSQL_AUDIT_CONNECTION_CLASS event instances */ static volatile int number_of_calls_connection; The init and deinit functions for the plugin are there to be called when the plugin is activated and when it is terminated. These offer the best option to initialise the counters for our plugin: /*  Initialize the plugin at server start or plugin installation. */ static int audit_syslog_init(void *arg __attribute__((unused))) {     openlog("mysql_audit:",LOG_PID|LOG_PERROR|LOG_CONS,LOG_USER);     total_number_of_calls= 0;     number_of_calls_general= 0;     number_of_calls_connection= 0;     return(0); } The init function does a call to openlog to initialise the syslog functionality. The parameters are the service to log under ("mysql_audit" in this case), the syslog flags and the facility for the logging. Then each of the counters are initialised to zero and a success is returned. If the init function is not defined, it will return success by default. /*  Terminate the plugin at server shutdown or plugin deinstallation. */ static int audit_syslog_deinit(void *arg __attribute__((unused))) {     closelog();     return(0); } The deinit function will simply close our syslog connection and return success. Note that the syslog functionality is part of the glibc libraries and does not require any external factors.  The function names are what we define in the general plugin structure, so these have to match otherwise there will be errors. The next step is to implement the event notifier function that was defined in the type specific descriptor (audit_syslog_descriptor) which is audit_syslog_notify. /* Event notifier function */ static void audit_syslog_notify(MYSQL_THD thd __attribute__((unused)), unsigned int event_class, const void *event) { total_number_of_calls++; if (event_class == MYSQL_AUDIT_GENERAL_CLASS) { const struct mysql_event_general *event_general= (const struct mysql_event_general *) event; number_of_calls_general++; syslog(audit_loglevel,"%lu: User: %s Command: %s Query: %s\n", event_general->general_thread_id, event_general->general_user, event_general->general_command, event_general->general_query ); } else if (event_class == MYSQL_AUDIT_CONNECTION_CLASS) { const struct mysql_event_connection *event_connection= (const struct mysql_event_connection *) event; number_of_calls_connection++; syslog(audit_loglevel,"%lu: User: %s@%s[%s] Event: %d Status: %d\n", event_connection->thread_id, event_connection->user, event_connection->host, event_connection->ip, event_connection->event_subclass, event_connection->status ); } }   In the case of an event, the notifier function is called. The first step is to increment the total number of events that have occurred in our database.The event argument is then cast into the appropriate event structure depending on the class type, of general event or connection event. The event type counters are incremented and details are sent via the syslog() function out to the system log. There are going to be different line formats and information returned since the general events have different data compared to the connection events, even though some of the details overlap, for example, user, thread id, host etc. On compiling the code now, there should be no errors and the resulting audit_syslog.so can be loaded into the server and ready to use. Log into the server and type: mysql> INSTALL PLUGIN audit_syslog SONAME 'audit_syslog.so'; This will install the plugin and will start updating the syslog immediately. Note that the audit plugin attaches to the immediate thread and cannot be uninstalled while that thread is active. This means that you cannot run the UNISTALL command until you log into a different connection (thread) on the server. Once the plugin is loaded, the system log will show output such as the following: Oct  8 15:33:21 machine mysql_audit:[8337]: 87: User: root[root] @ localhost []  Command: (null)  Query: INSTALL PLUGIN audit_syslog SONAME 'audit_syslog.so' Oct  8 15:33:21 machine mysql_audit:[8337]: 87: User: root[root] @ localhost []  Command: Query  Query: INSTALL PLUGIN audit_syslog SONAME 'audit_syslog.so' Oct  8 15:33:40 machine mysql_audit:[8337]: 87: User: root[root] @ localhost []  Command: (null)  Query: show tables Oct  8 15:33:40 machine mysql_audit:[8337]: 87: User: root[root] @ localhost []  Command: Query  Query: show tables Oct  8 15:33:43 machine mysql_audit:[8337]: 87: User: root[root] @ localhost []  Command: (null)  Query: select * from t1 Oct  8 15:33:43 machine mysql_audit:[8337]: 87: User: root[root] @ localhost []  Command: Query  Query: select * from t1 It appears that two of each event is being shown, but in actuality, these are two separate event types - the result event and the status event. This could be refined further by changing the audit_syslog_notify function to handle the different event sub-types in a different manner.  So far, it seems that the logging is working with events showing up in the syslog output. The issue now is that the counters created earlier to track the number of events by type are not accessible when the plugin is being run. Instead there needs to be a way to expose the plugin specific information to the service and vice versa. This could be done via the information_schema plugin api, but for something as simple as counters, the obvious choice is the system status variables. This is done using the standard structure and the declaration: /*  Plugin status variables for SHOW STATUS */ static struct st_mysql_show_var audit_syslog_status[]= {   { "Audit_syslog_total_calls",     (char *) &total_number_of_calls,     SHOW_INT },   { "Audit_syslog_general_events",     (char *) &number_of_calls_general,     SHOW_INT },   { "Audit_syslog_connection_events",     (char *) &number_of_calls_connection,     SHOW_INT },   { 0, 0, SHOW_INT } };   The structure is simply the name that will be displaying in the mysql service, the address of the associated variables, and the data type being used for the counter. It is finished with a blank structure to show that there are no more variables. Remember that status variables may have the same name for variables from other plugin, so it is considered appropriate to add the plugin name at the start of the status variable name to avoid confusion. Looking at the status variables in the mysql client shows something like the following: mysql> show global status like "audit%"; +--------------------------------+-------+ | Variable_name                  | Value | +--------------------------------+-------+ | Audit_syslog_connection_events | 1     | | Audit_syslog_general_events    | 2     | | Audit_syslog_total_calls       | 3     | +--------------------------------+-------+ 3 rows in set (0.00 sec) The final connectivity piece for the plugin is to allow the interactive change of the logging level between the plugin and the system. This requires the ability to send changes via the mysql service through to the plugin. This is done using the system variables interface and defining a single variable to keep track of the active logging level for the facility. /* Plugin system variables for SHOW VARIABLES */ static MYSQL_SYSVAR_STR(loglevel, audit_loglevel,                         PLUGIN_VAR_RQCMDARG,                         "User can specify the log level for auditing",                         audit_loglevel_check, audit_loglevel_update, "LOG_NOTICE"); static struct st_mysql_sys_var* audit_syslog_sysvars[] = {     MYSQL_SYSVAR(loglevel),     NULL }; So now the system variable 'loglevel' is defined for the plugin and associated to the global variable 'audit_loglevel'. The check or validation function is defined to make sure that no garbage values are attempted in the update of the variable. The update function is used to save the new value to the variable. Note that the audit_syslog_sysvars structure is defined in the general plugin descriptor to associate the link between the plugin and the system and how much they interact. Next comes the implementation of the validation function and the update function for the system variable. It is worth noting that if you have a simple numeric such as integers for the variable types, the validate function is often not required as MySQL will handle the automatic check and validation of simple types. /* longest valid value */ #define MAX_LOGLEVEL_SIZE 100 /* hold the valid values */ static const char *possible_modes[]= { "LOG_ERROR", "LOG_WARNING", "LOG_NOTICE", NULL };  static int audit_loglevel_check(     THD*                        thd,    /*!< in: thread handle */     struct st_mysql_sys_var*    var,    /*!< in: pointer to system                                         variable */     void*                       save,   /*!< out: immediate result                                         for update function */     struct st_mysql_value*      value)  /*!< in: incoming string */ {     char buff[MAX_LOGLEVEL_SIZE];     const char *str;     const char **found;     int length;     length= sizeof(buff);     if (!(str= value->val_str(value, buff, &length)))         return 1;     /*         We need to return a pointer to a locally allocated value in "save".         Here we pick to search for the supplied value in an global array of         constant strings and return a pointer to one of them.         The other possiblity is to use the thd_alloc() function to allocate         a thread local buffer instead of the global constants.     */     for (found= possible_modes; *found; found++)     {         if (!strcmp(*found, str))         {             *(const char**)save= *found;             return 0;         }     }     return 1; } The validation function is simply to take the value being passed in via the SET GLOBAL VARIABLE command and check if it is one of the pre-defined values allowed  in our possible_values array. If it is found to be valid, then the value is assigned to the save variable ready for passing through to the update function. static void audit_loglevel_update(     THD*                        thd,        /*!< in: thread handle */     struct st_mysql_sys_var*    var,        /*!< in: system variable                                             being altered */     void*                       var_ptr,    /*!< out: pointer to                                             dynamic variable */     const void*                 save)       /*!< in: pointer to                                             temporary storage */ {     /* assign the new value so that the server can read it */     *(char **) var_ptr= *(char **) save;     /* assign the new value to the internal variable */     audit_loglevel= *(char **) save; } Since all the validation has been done already, the update function is quite simple for this plugin. The first part is to update the system variable pointer so that the server can read the value. The second part is to update our own global plugin variable for tracking the value. Notice that the save variable is passed in as a void type to allow handling of various data types, so it must be cast to the appropriate data type when assigning it to the variables. Looking at how the latest changes affect the usage of the plugin and the interaction within the server shows: mysql> show global variables like "audit%"; +-----------------------+------------+ | Variable_name         | Value      | +-----------------------+------------+ | audit_syslog_loglevel | LOG_NOTICE | +-----------------------+------------+ 1 row in set (0.00 sec) mysql> set global audit_syslog_loglevel="LOG_ERROR"; Query OK, 0 rows affected (0.00 sec) mysql> show global status like "audit%"; +--------------------------------+-------+ | Variable_name                  | Value | +--------------------------------+-------+ | Audit_syslog_connection_events | 1     | | Audit_syslog_general_events    | 11    | | Audit_syslog_total_calls       | 12    | +--------------------------------+-------+ 3 rows in set (0.00 sec) mysql> show global variables like "audit%"; +-----------------------+-----------+ | Variable_name         | Value     | +-----------------------+-----------+ | audit_syslog_loglevel | LOG_ERROR | +-----------------------+-----------+ 1 row in set (0.00 sec)   So now we have a plugin that will audit the events on the system and log the details to the system log. It allows for interaction to see the number of different events within the server details and provides a mechanism to change the logging level interactively via the standard system methods of the SET command. A more complex auditing plugin may have more detailed code, but each of the above areas is what will be involved and simply expanded on to add more functionality. With the above skeleton code, it is now possible to create your own audit plugins to implement your own auditing requirements. If, however, you are not of the coding persuasion, then you could always consider the option of the MySQL Enterprise Audit plugin that is available to purchase.

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• How can I make a WPF TreeView data binding lazy and asynchronous?

  - by pauldoo

  I am learning how to use data binding in WPF for a TreeView. I am procedurally creating the Binding object, setting Source, Path, and Converter properties to point to my own classes. I can even go as far as setting IsAsync and I can see the GUI update asynchronously when I explore the tree. So far so good! My problem is that WPF eagerly evaluates parts of the tree prior to them being expanded in the GUI. If left long enough this would result in the entire tree being evaluated (well actually in this example my tree is infinite, but you get the idea). I would like the tree only be evaluated on demand as the user expands the nodes. Is this possible using the existing asynchronous data binding stuff in the WPF? As an aside I have not figured out how ObjectDataProvider relates to this task. My XAML code contains only a single TreeView object, and my C# code is: public partial class Window1 : Window { public Window1() { InitializeComponent(); treeView.Items.Add( CreateItem(2) ); } static TreeViewItem CreateItem(int number) { TreeViewItem item = new TreeViewItem(); item.Header = number; Binding b = new Binding(); b.Converter = new MyConverter(); b.Source = new MyDataProvider(number); b.Path = new PropertyPath("Value"); b.IsAsync = true; item.SetBinding(TreeView.ItemsSourceProperty, b); return item; } class MyDataProvider { readonly int m_value; public MyDataProvider(int value) { m_value = value; } public int[] Value { get { // Sleep to mimick a costly operation that should not hang the UI System.Threading.Thread.Sleep(2000); System.Diagnostics.Debug.Write(string.Format("Evaluated for {0}\n", m_value)); return new int[] { m_value * 2, m_value + 1, }; } } } class MyConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { // Convert the double to an int. int[] values = (int[])value; IList<TreeViewItem> result = new List<TreeViewItem>(); foreach (int i in values) { result.Add(CreateItem(i)); } return result; } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new InvalidOperationException("Not implemented."); } } } Note: I have previously managed to do lazy evaluation of the tree nodes by adding WPF event handlers and directly adding items when the event handlers are triggered. I'm trying to move away from that and use data binding instead (which I understand is more in spirit with "the WPF way").

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• Resizing QT's QTextEdit to Match Text Height: maximumViewportSize()

  - by Aaron

  I am trying to use a QTextEdit widget inside of a form containing several QT widgets. The form itself sits inside a QScrollArea that is the central widget for a window. My intent is that any necessary scrolling will take place in the main QScrollArea (rather than inside any widgets), and any widgets inside will automatically resize their height to hold their contents. I have tried to implement the automatic resizing of height with a QTextEdit, but have run into an odd issue. I created a sub-class of QTextEdit and reimplemented sizeHint() like this: QSize OperationEditor::sizeHint() const { QSize sizehint = QTextBrowser::sizeHint(); sizehint.setHeight(this->fitted_height); return sizehint; } this-fitted_height is kept up-to-date via this slot that is wired to the QTextEdit's "contentsChanged()" signal: void OperationEditor::fitHeightToDocument() { this->document()->setTextWidth(this->viewport()->width()); QSize document_size(this->document()->size().toSize()); this->fitted_height = document_size.height(); this->updateGeometry(); } The size policy of the QTextEdit sub-class is: this->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred); I took this approach after reading this post. Here is my problem: As the QTextEdit gradually resizes to fill the window, it stops getting larger and starts scrolling within the QTextEdit, no matter what height is returned from sizeHint(). If I initially have sizeHint() return some large constant number, then the QTextEdit is very big and is contained nicely within the outer QScrollArea, as one would expect. However, if sizeHint gradually adjusts the size of the QTextEdit rather than just making it really big to start, then it tops out when it fills the current window and starts scrolling instead of growing. I have traced this problem to be that, no matter what my sizeHint() returns, it will never resize the QTextEdit larger than the value returned from maximumViewportSize(), which is inherited from QAbstractScrollArea. Note that this is not the same number as viewport()-maximumSize(). I am unable to figure out how to set that value. Looking at QT's source code, maximumViewportSize() is returning "the size of the viewport as if the scroll bars had no valid scrolling range." This value is basically computed as the current size of the widget minus (2 * frameWidth + margins) plus any scrollbar widths/heights. This does not make a lot of sense to me, and it's not clear to me why that number would be used anywhere in a way that supercede's the sub-class's sizeHint() implementation. Also, it does seem odd that the single "frameWidth" integer is used in computing both the width and the height. Can anyone please shed some light on this? I suspect that my poor understanding of QT's layout engine is to blame here.

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• Formula for calculating Exotic wagers such as Trifecta and Superfecta

  - by JohnnyCantCode

  I am trying to create an application that will calculate the cost of exotic parimutuel wager costs. I have found several for certain types of bets but never one that solves all the scenarios for a single bet type. If I could find an algorithm that could calculate all the possible combinations I could use that formula to solve my other problems. Additional information: I need to calculate the permutations of groups of numbers. For instance; Group 1 = 1,2,3 Group 2 = 2,3,4 Group 3 = 3,4,5 What are all the possible permutation for these 3 groups of numbers taking 1 number from each group per permutation. No repeats per permutation, meaning a number can not appear in more that 1 position. So 2,4,3 is valid but 2,4,4 is not valid. Thanks for all the help.

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• Database theory - relationship between two tables

  - by iansinke

  I have a database with two tables - let's call them Foo and Bar. Each foo may be related to any number of bars, and each bar may be related to any number of foos. I want to be able to retrieve, with one query, the foos that are associated with a certain bar, and the bars that are associated with a certain foo. My question is, what is the best way of recording these relationships? Should I have a separate table with records of each relationship (e.g. two columns, foo and bar)? Should the foo table have a column for a list of bars, and vice versa? Is there another option that I'm overlooking? I'm using SQL Server, if that makes a difference.

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• Problems upgrading VB.Net 2008 project into VS2010

  - by Brett Rigby

  Hi there, I have been upgrading several different VS2008 projects into VS2010 and have found a problem with VB.Net projects when they are converted. Once converted, the .vbproj files have changed from this in VS2008: <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <DebugSymbols>true</DebugSymbols> <DebugType>full</DebugType> <DefineDebug>true</DefineDebug> <DefineTrace>true</DefineTrace> <OutputPath>bin\Debug\</OutputPath> <DocumentationFile>CustomerManager.xml</DocumentationFile> <WarningsAsErrors>41999,42016,42017,42018,42019,42020,42021,42022,42032,42036</WarningsAsErrors> </PropertyGroup> To this in VS2010: <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <DebugSymbols>true</DebugSymbols> <DebugType>full</DebugType> <DefineDebug>true</DefineDebug> <DefineTrace>true</DefineTrace> <OutputPath>bin\Debug\</OutputPath> <DocumentationFile>CustomerManager.xml</DocumentationFile> <NoWarn>42353,42354,42355</NoWarn> <WarningsAsErrors>41999,42016,42017,42018,42019,42020,42021,42022,42032,42036</WarningsAsErrors> </PropertyGroup> The main difference, is that in the VS2010 version, the 42353,42354,42355 value has been added; Inside the IDE, this manifests itself as the following setting in the Project Properties | Compile section as: "Function returning intrinsic value type without return value" = None This isn't a problem when building code inside Visual Studio 2010, but when trying to build the code through our continuous integration scripts, it fails with the following errors: [msbuild] vbc : Command line error BC2026: warning number '42353' for the option 'nowarn' is either not configurable or not valid [msbuild] vbc : Command line error BC2026: warning number '42354' for the option 'nowarn' is either not configurable or not valid [msbuild] vbc : Command line error BC2026: warning number '42355' for the option 'nowarn' is either not configurable or not valid I couldn't find anything on Google for these messages, which is strange, as I am trying to find out why this is happening. Any suggestions as to why Visual Studio 2010's conversion wizard is doing this?

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• How to calculate line count for project

  - by sixtyfootersdude

  I am taking a software engineering class right now. Our assignment is to evaluate Mozilla's Thunderbird. Our assignment is to evaluate the size of Thunderbird. One metric that we need to use is the number of lines of code in the project. (Lines of code meaning not including comments or new lines). Is there a standard way to find the number of lines or am I better off just cracking out a script to do this? I think that I could do something like this: # remove all comments find -name *.java | \ sed "/\/*/,\*\// s/.*//g | \ # remove multiline comments sed s/\/\///g # remove single line comments # count not empty lines find -name *.java | grep -c "<character>" But I would need to do that for each file type. It seems like there should be some utility that does that already. (something mac/unix compatible would be preferable).

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• How can I write a makefile to auto-detect and parallelize the build with GNU Make?

  - by xyld

  Not sure if this is possible in one Makefile alone, but I was hoping to write a Makefile in a way such that trying to build any target in the file auto-magically detects the number of processors on the current system and builds the target in parallel for the number of processors. Something like the below "pseudo-code" examples, but much cleaner? all: @make -j$(NUM_PROCESSORS) all Or: all: .inparallel ... build all here ... .inparallel: @make -j$(NUM_PROCESSORS) $(ORIGINAL_TARGET) In both cases, all you would have to type is: % make all Hopefully that makes sense.

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• EF Code First to SQL Azure

  - by Predrag Pejic

  I am using EF Code First to create a database on local .\SQLEXPRESS. Among others. I have these 2 classes: public class Shop { public int ShopID { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a name!")] [MaxLength(25, ErrorMessage = "Name must be 25 characters or less")] public string Name { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter an address!")] [MaxLength(30, ErrorMessage = "Address must be 30 characters or less")] public string Address { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a valid city name!")] [MaxLength(30, ErrorMessage = "City name must be 30 characters or less")] public string City { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a phone number!")] [MaxLength(14, ErrorMessage = "Phone number must be 14 characters or less")] public string Phone { get; set; } [MaxLength(100, ErrorMessage = "Description must be 50 characters or less")] public string Description { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a WorkTime!")] public DateTime WorkTimeBegin { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a WorkTime!")] public DateTime WorkTimeEnd { get; set; } public DateTime? SaturdayWorkTimeBegin { get; set; } public DateTime? SaturdayWorkTimeEnd { get; set; } public DateTime? SundayWorkTimeBegin { get; set; } public DateTime? SundayWorkTimeEnd { get; set; } public int ShoppingPlaceID { get; set; } public virtual ShoppingPlace ShoppingPlace { get; set; } public virtual ICollection<Category> Categories { get; set; } } public class ShoppingPlace { [Key] public int ShopingplaceID { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a name!")] [MaxLength(25, ErrorMessage = "Name must be 25 characters or less")] public string Name { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter an address!")] [MaxLength(50, ErrorMessage = "Address must be 50 characters or less")] public string Address { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a city name!")] [MaxLength(30, ErrorMessage = "City must be 30 characters or less")] public string City { get; set; } [Required(AllowEmptyStrings = false, ErrorMessage = "You must enter a valid phone number!")] [MaxLength(14, ErrorMessage = "Phone number must be 14 characters or less")] public string Phone { get; set; } public int ShoppingCenterID { get; set; } public virtual ShoppingCenter ShoppingCenter { get; set; } public virtual ICollection<Shop> Shops { get; set; } } and a method in DbContext: modelBuilder.Entity<Item>() .HasRequired(p => p.Category) .WithMany(a => a.Items) .HasForeignKey(a => a.CategoryID) .WillCascadeOnDelete(false); modelBuilder.Entity<Category>() .HasRequired(a => a.Shop) .WithMany(a => a.Categories) .HasForeignKey(a => a.ShopID) .WillCascadeOnDelete(false); modelBuilder.Entity<Shop>() .HasOptional(a => a.ShoppingPlace) .WithMany(a => a.Shops) .HasForeignKey(a => a.ShoppingPlaceID) .WillCascadeOnDelete(false); modelBuilder.Entity<ShoppingPlace>() .HasOptional(a => a.ShoppingCenter) .WithMany(a => a.ShoppingPlaces) .HasForeignKey(a => a.ShoppingCenterID) .WillCascadeOnDelete(false); Why I can't create Shop without creating and populating ShopingPlace. How to achieve that? EDIT: Tried with: modelBuilder.Entity<Shop>() .HasOptional(a => a.ShoppingPlace) .WithOptionalPrincipal(); modelBuilder.Entity<ShoppingPlace>() .HasOptional(a => a.ShoppingCenter) .WithOptionalPrincipal(); and it passed, but what is the difference? And why in SQL Server i am allowed to see ShoppingPlaceID and ShoppingPlace_ShopingPlaceID when in the case of Item and Category i see only one?

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• Issues using a Fedex Webservice via WDSL/SOAP

  - by Parris

  Hi Everyone, I downloaded the sample code to request a rate from fedex's website... i placed the WSDL file in the proper location, I have my acct number, password, meter number, and key. When I run the script I get this error: Error in processing transaction. ERROR prof 1000 Authentication Failed The script they give is as follows, and yes i do actually replace the XXX and YYY everywhere it says.: <?php // Copyright 2009, FedEx Corporation. All rights reserved. // Version 7.0.0 require_once('fedex-common.php5'); $newline = "<br />"; //The WSDL is not included with the sample code. //Please include and reference in $path_to_wsdl variable. $path_to_wsdl = "RateService_v7.wsdl"; ini_set("soap.wsdl_cache_enabled", "0"); $client = new SoapClient($path_to_wsdl, array('trace' => 1)); // Refer to http://us3.php.net/manual/en/ref.soap.php for more information $request['WebAuthenticationDetail'] = array('UserCredential' => array('Key' => 'XXX', 'Password' => 'YYY')); // Replace 'XXX' and 'YYY' with FedEx provided credentials $request['ClientDetail'] = array('AccountNumber' => 'XXX', 'MeterNumber' => 'YYY');// Replace 'XXX' with your account and meter number $request['TransactionDetail'] = array('CustomerTransactionId' => ' *** Rate Request v7 using PHP ***'); $request['Version'] = array('ServiceId' => 'crs', 'Major' => '7', 'Intermediate' => '0', 'Minor' => '0'); $request['ReturnTransitAndCommit'] = true; $request['RequestedShipment']['DropoffType'] = 'REGULAR_PICKUP'; // valid values REGULAR_PICKUP, REQUEST_COURIER, ... $request['RequestedShipment']['ShipTimestamp'] = date('c'); $request['RequestedShipment']['ServiceType'] = 'FEDEX_GROUND'; // valid values STANDARD_OVERNIGHT, PRIORITY_OVERNIGHT, FEDEX_GROUND, ... $request['RequestedShipment']['PackagingType'] = 'YOUR_PACKAGING'; // valid values FEDEX_BOX, FEDEX_PAK, FEDEX_TUBE, YOUR_PACKAGING, ... $request['RequestedShipment']['Shipper'] = array('Address' => array( 'StreetLines' => array('10 Fed Ex Pkwy'), // Origin details 'City' => 'Memphis', 'StateOrProvinceCode' => 'TN', 'PostalCode' => '38115', 'CountryCode' => 'US')); $request['RequestedShipment']['Recipient'] = array('Address' => array ( 'StreetLines' => array('13450 Farmcrest Ct'), // Destination details 'City' => 'Herndon', 'StateOrProvinceCode' => 'VA', 'PostalCode' => '20171', 'CountryCode' => 'US')); $request['RequestedShipment']['ShippingChargesPayment'] = array('PaymentType' => 'SENDER', 'Payor' => array('AccountNumber' => 'XXX', // Replace 'XXX' with payor's account number 'CountryCode' => 'US')); $request['RequestedShipment']['RateRequestTypes'] = 'ACCOUNT'; $request['RequestedShipment']['RateRequestTypes'] = 'LIST'; $request['RequestedShipment']['PackageCount'] = '2'; $request['RequestedShipment']['PackageDetailSpecified'] = true; $request['RequestedShipment']['PackageDetail'] = 'INDIVIDUAL_PACKAGES'; // Or PACKAGE_SUMMARY $request['RequestedShipment']['RequestedPackageLineItems'] = array('0' => array('Weight' => array('Value' => 2.0, 'Units' => 'LB'), 'Dimensions' => array('Length' => 10, 'Width' => 10, 'Height' => 3, 'Units' => 'IN')), '1' => array('Weight' => array('Value' => 5.0, 'Units' => 'LB'), 'Dimensions' => array('Length' => 20, 'Width' => 20, 'Height' => 10, 'Units' => 'IN'))); try { $response = $client ->getRates($request); if ($response -> HighestSeverity != 'FAILURE' && $response -> HighestSeverity != 'ERROR') { printRequestResponse($client); } else { echo 'Error in processing transaction.'. $newline. $newline; foreach ($response -> Notifications as $notification) { if(is_array($response -> Notifications)) { echo $notification -> Severity; echo ': '; echo $notification -> Message . $newline; } else { echo $notification . $newline; } } } writeToLog($client); // Write to log file } catch (SoapFault $exception) { printFault($exception, $client); } ?> I am not quite sure why it isn't working, i've read about using a proxy, but I am not quite sure how i would use it in this case? Isn't the point of using SOAP and WSDL to avoid using CURL, Direct Connect type stuff?

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• GAE/Django Templates (0.96) filters to get LENGTH of GqlQuery and filter it

  - by Halst

  I pass the query with comments to my template: COMM = CommentModel.gql("ORDER BY created") doRender(self,CP.template,{'CP':CP,'COMM':COMM, 'authorize':authorize()}) And I want to output the number of comments as a result, and I try to do things like that: <a href="...">{{ COMM|length }} comments</a> Thats does not work (yeah, since COMM is GqlQuery, not a list). What can I do with that? Is there a way to convert GqlQuery to list or is there another solution? (first question) Second question is, how to filter this list in template? Is there a construct like this: <a href="...">{{ COMM|where(reference=smth)|length }} comments</a> so that I can get not only the number of all comments, but only comments with certain db.ReferenceProperty() property, for example. Last question: is it weird to do such things using templates?

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• Hive NR map progress inconsistent and regurlarly restart from 0%

  - by user92471

  I have a Yarn MR (with two ec2 instances to mapreduce) job on a dataset of approximately a thousand avro records, and the map phase is behaving erratically. See the progress below. Of course i checked the logs on resourcemanager and nodemanagers and saw nothing suspicious, but these logs are too verbose What is going on there ? hive> select * from nikon where qs_cs_s_aid='VIEW' limit 10; Total MapReduce jobs = 1 Launching Job 1 out of 1 Number of reduce tasks is set to 0 since there's no reduce operator Starting Job = job_1352281315350_0020, Tracking URL = http://blabla.ec2.internal:8088/proxy/application_1352281315350_0020/ Kill Command = /usr/lib/hadoop/bin/hadoop job -Dmapred.job.tracker=blabla.com:8032 -kill job_1352281315350_0020 Hadoop job information for Stage-1: number of mappers: 4; number of reducers: 0 2012-11-07 11:14:40,976 Stage-1 map = 0%, reduce = 0% 2012-11-07 11:15:06,136 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 10.38 sec 2012-11-07 11:15:07,253 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 12.18 sec 2012-11-07 11:15:08,371 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 12.18 sec 2012-11-07 11:15:09,491 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 12.18 sec 2012-11-07 11:15:10,643 Stage-1 map = 2%, reduce = 0%, Cumulative CPU 15.42 sec (...) 2012-11-07 11:15:35,441 Stage-1 map = 28%, reduce = 0%, Cumulative CPU 37.77 sec 2012-11-07 11:15:36,486 Stage-1 map = 28%, reduce = 0%, Cumulative CPU 37.77 sec here restart at 16% ? 2012-11-07 11:15:37,692 Stage-1 map = 16%, reduce = 0%, Cumulative CPU 21.15 sec 2012-11-07 11:15:38,815 Stage-1 map = 16%, reduce = 0%, Cumulative CPU 21.15 sec 2012-11-07 11:15:39,865 Stage-1 map = 16%, reduce = 0%, Cumulative CPU 21.15 sec 2012-11-07 11:15:41,064 Stage-1 map = 18%, reduce = 0%, Cumulative CPU 22.4 sec 2012-11-07 11:15:42,181 Stage-1 map = 18%, reduce = 0%, Cumulative CPU 22.4 sec 2012-11-07 11:15:43,299 Stage-1 map = 18%, reduce = 0%, Cumulative CPU 22.4 sec here restart at 0% ? 2012-11-07 11:15:44,418 Stage-1 map = 0%, reduce = 0% 2012-11-07 11:16:02,076 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 6.86 sec 2012-11-07 11:16:03,193 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 6.86 sec 2012-11-07 11:16:04,259 Stage-1 map = 2%, reduce = 0%, Cumulative CPU 8.45 sec (...) 2012-11-07 11:16:31,291 Stage-1 map = 22%, reduce = 0%, Cumulative CPU 35.34 sec 2012-11-07 11:16:32,414 Stage-1 map = 26%, reduce = 0%, Cumulative CPU 37.93 sec here restart at 11% ? 2012-11-07 11:16:33,459 Stage-1 map = 11%, reduce = 0%, Cumulative CPU 19.53 sec 2012-11-07 11:16:34,507 Stage-1 map = 11%, reduce = 0%, Cumulative CPU 19.53 sec 2012-11-07 11:16:35,731 Stage-1 map = 13%, reduce = 0%, Cumulative CPU 21.47 sec (...) 2012-11-07 11:16:46,839 Stage-1 map = 17%, reduce = 0%, Cumulative CPU 24.14 sec here restart at 0% ? 2012-11-07 11:16:47,939 Stage-1 map = 0%, reduce = 0% 2012-11-07 11:16:56,653 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 7.54 sec 2012-11-07 11:16:57,814 Stage-1 map = 1%, reduce = 0%, Cumulative CPU 7.54 sec (...) Needless to say the job crashes after some time with an Error: java.io.IOException: java.io.IOException: java.lang.ArrayIndexOutOfBoundsException: -56

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