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• UUID in Mountain Lion

  - by Naji

  I am trying to find my external HDD UUID in Mountain Lion but diskutil info /dev/disk1s1 returns: Najis-MacBook-Air:~ ****$ diskutil info disk1s1 Device Identifier: disk1s1 Device Node: /dev/disk1s1 Part of Whole: disk1 Device / Media Name: Untitled 1 Volume Name: My Book Escaped with Unicode: My%FF%FE%20%00Book Mounted: Yes Mount Point: /Volumes/My Book Escaped with Unicode: /Volumes/My%FF%FE%20%00Book File System Personality: NTFS Type (Bundle): ntfs Name (User Visible): Windows NT File System (NTFS) Partition Type: Windows_NTFS OS Can Be Installed: No Media Type: Generic Protocol: USB SMART Status: Not Supported Total Size: 2.0 TB (2000364240896 Bytes) (exactly 3906961408 512-Byte-Blocks) Volume Free Space: 212.5 GB (212506509312 Bytes) (exactly 415051776 512-Byte-Blocks) Device Block Size: 512 Bytes Read-Only Media: No Read-Only Volume: Yes Ejectable: Yes Whole: No Internal: No And there is no UUID. What is wrong exactly? Thank you.

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• Trendnet tew-424ub wireless not working after update 12.10

  - by dwa

  I updated packages from the software manager and now my wireless won't work. It's a Trendnet tew-424ub iwconfig says lo no wireless extensions. eth0 no wireless extensions. sudo lshw -C network: description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:02:00.0 logical name: eth0 version: 02 serial: 1c:6f:65:46:e9:d4 size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.137 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:41 ioport:de00(size=256) memory:fdaff000-fdafffff memory:fdae0000-fdaeffff memory:fda00000-fda0ffff lsusb: Bus 003 Device 002: ID 0bc2:3332 Seagate RSS LLC Expansion Bus 003 Device 003: ID 05e3:0605 Genesys Logic, Inc. USB 2.0 Hub [ednet] Bus 003 Device 006: ID 0457:0163 Silicon Integrated Systems Corp. 802.11 Wireless LAN Adapter Bus 005 Device 002: ID 046d:c00c Logitech, Inc. Optical Wheel Mouse Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 009 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 005: ID 0781:5530 SanDisk Corp. Cruzer Bus 010 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Help? I'm not sure where to start. I've been browsing forums and such for a long time and nothing I try is working.

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• Deleting pagefile.sys on shutdown

  - by Daniel E. Shub

  I have a Windows XP machine (it is a VM running in Xen) that I would like to backup. I have enabled ClearPageFileAtShutdown by following MS KB 314834. If I cleanly shutdown the XP machine and then mount the drive in another machine (which is trivial since the machine is virtual) I still have a large pagefile.sys. I was hoping that enabling ClearPageFileAtShutdown would result in a pagefile.sys with a size near zero. I have two questions. First, is it possible to have pagefile.sys be deleted, or have a drastic size reduction, at shutdown? Second, can I exclude pagefile.sys from my backup?

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• Installing Ubuntu Server 12.04 as a software RAID 1 mirror fails to boot

  - by Jeff Atwood

  I'm installing a few new Ubuntu Server 12.04 LTS servers, and they have two 512 GB SSDs. I want them to use software RAID 1 mirroring, so I was following this document religiously step by step: https://help.ubuntu.com/12.04/serverguide/advanced-installation.html To summarize the above official documentation: to set up a software RAID 1 mirror in Ubuntu Server, you choose manual partitioning during the setup, and do this on each drive: "swap" partition of roughly RAM size "physical volume for RAID" partition for remaining drive size After that, you set up the RAID 1 mirror using the RAID partitions on drive A and B, make it ext4 and containing the root filesystem partition. Setup continues from there just fine. One caveat: I was completely unable to select the "physical volume for RAID" as bootable. When I tried to do that in setup, it had no effect: I could press enter on the "make bootable" option all day long and nothing would ever change. However, after install successfully completes, I have a big problem: the system won't boot! I get Reboot and Select proper boot device or Insert Boot Media in selected Boot device and press a key What did I do wrong? Why can't I mark that "physical volume for RAID" partition bootable during Ubuntu Server setup? Is there some way for me to make the physical volumes for RAID bootable after the fact, perhaps from a live CD or something?

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• Suggestions for Future or On-The-Edge Languages (2011)

  - by Kurtis

  I'm just looking for some suggestions on newer languages and language implementations that are useful for string manipulation. It's now 2011 and a lot has changed over the years. Most of my work includes web development (which is mostly text-based) and command line scripting. I'm pretty language agnostic, although I've felt violated using PHP over the years. My only requirements are that the language be good at text manipulation, without a lot of 3rd party libraries (core libraries are okay, though), and that the language and/or standard implementation is very up to date or even "futuristic". For example, the two main languages I'm looking at right now are Python (Version 3.x) or Perl (Version 6.x). Research, Academic, and Experimental languages are okay with me. I don't mind functional languages although I'd like to have the option of programming in a procedural or even object oriented manner. Thanks!

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• POSTFIX bouncing when destination is my domain

  - by ZeC

  I am using provider mail hosting to send emails. On my Webserver I also have Postfix running and configured. Here is my main.cf smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = yes readme_directory = no smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache myhostname = 2-5-8.bih.net.ba alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = bhcom.info, 2-5-8.bih.net.ba, localhost.bih.net.ba, localhost relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_command = mailbox_size_limit = 10485760 recipient_delimiter = + inet_interfaces = 80.65.85.114 When I try sending email to my hosted domain name, every message gets bounced with this error: Nov 4 20:38:34 2-5-8 postfix/pickup[802]: 1492A3E0C6C: uid=0 from=<[email protected]> Nov 4 20:38:34 2-5-8 postfix/cleanup[988]: 1492A3E0C6C: message-id=<[email protected]> Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 1492A3E0C6C: from=<[email protected]>, size=348, nrcpt=1 (queue active) Nov 4 20:38:34 2-5-8 postfix/local[990]: 1492A3E0C6C: to=<[email protected]>, relay=local, delay=0.12, delays=0.08/0.01/0/0.04, dsn=5.1.1, status=bounced (unknown user: "info") Nov 4 20:38:34 2-5-8 postfix/cleanup[988]: 28ED53E0C6D: message-id=<[email protected]> Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 28ED53E0C6D: from=<>, size=2056, nrcpt=1 (queue active) Nov 4 20:38:34 2-5-8 postfix/bounce[991]: 1492A3E0C6C: sender non-delivery notification: 28ED53E0C6D Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 1492A3E0C6C: removed Nov 4 20:38:34 2-5-8 postfix/local[990]: 28ED53E0C6D: to=<[email protected]>, relay=local, delay=0.06, delays=0.03/0/0/0.02, dsn=5.1.1, status=bounced (unknown user: "razvoj") Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 28ED53E0C6D: removed However, when I try to @gmail.com, it sends message without problems, and here is log. What might be the issue? Nov 4 20:41:23 2-5-8 postfix/pickup[802]: B2EC63E0C6C: uid=0 from=<[email protected]> Nov 4 20:41:23 2-5-8 postfix/cleanup[1022]: B2EC63E0C6C: message-id=<[email protected]> Nov 4 20:41:23 2-5-8 postfix/qmgr[803]: B2EC63E0C6C: from=<[email protected]>, size=350, nrcpt=1 (queue active) Nov 4 20:41:23 2-5-8 postfix/smtp[1024]: connect to gmail-smtp-in.l.google.com[2a00:1450:4001:c02::1a]:25: Network is unreachable Nov 4 20:41:24 2-5-8 postfix/smtp[1024]: B2EC63E0C6C: to=<[email protected]>, relay=gmail-smtp-in.l.google.com[173.194.70.26]:25, delay=0.97, delays=0.08/0.01/0.27/0.62, dsn=2.0.0, status=sent (250 2.0.0 OK 1352058066 f7si2180442eeo.46) Nov 4 20:41:24 2-5-8 postfix/qmgr[803]: B2EC63E0C6C: removed

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• Help with dual booting Windows 8.1 Professional and Ubuntu 13.10

  - by user1292548

  I recently installed a clean version of Windows 8.1 Professional on my Lenovo Y500 (with Samsung 256GB 840 Pro SSD). I have Windows all set up and running normally. I am trying to dual boot Windows 8.1 and Ubuntu 13.10, but the installation procedure don't allow me to either "Install alongside..." or shows my SSD partitions correctly when I chose the "Something Else" option. I have created a 25GB partition of free space in the Windows disk manager, but on the installation screen on Ubuntu, it shows the whole drive as a free space. I have tried installing with a burned .ISO disk and a bootable USB, the results are the same for both. Windows Disk Management screen: http://imageshack.us/a/img855/9504/59zu.jpg The Ubuntu installation screen: http://imageshack.us/a/img62/2712/9g6i.jpg I've ran into this problem before when trying to dual boot Ubuntu and Windows 7 Professional a month ago. But I gave up and never resolved the issue. --EDIT-- I tried what Eero Aaltonen suggested, and this is my result: ubuntu@ubuntu:~$ sudo parted /dev/sda print Warning: /dev/sda contains GPT signatures, indicating that it has a GPT table. However, it does not have a valid fake msdos partition table, as it should. Perhaps it was corrupted -- possibly by a program that doesn't understand GPT partition tables. Or perhaps you deleted the GPT table, and are now using an msdos partition table. Is this a GPT partition table? Yes/No? yes Model: ATA Samsung SSD 840 (scsi) Disk /dev/sda: 256GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags ubuntu@ubuntu:~$

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• Extension GLX missing...on a desktop PC

  - by Bart van Heukelom

  I just installed Ubuntu 12.10 on a new PC with an Nvidia GTX 560 graphics card, but after installing the Nvidia proprietary drivers (either -current or -current-updates), Unity won't start. When trying to start it manually I get the message "extension GLX missing". I've searched around and found results like this question which point out it's a problem with Nvidia Optimus laptops. However, I don't have this problem on a laptop, but on a desktop PC. lshw output for the graphics card: *-display description: VGA compatible controller product: GF114 [GeForce GTX 560 SE] vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nouveau latency=0 resources: irq:16 memory:f4000000-f5ffffff memory:e0000000-e7ffffff memory:e8000000-ebffffff ioport:e000(size=128) memory:f6000000-f607ffff and CPU: *-cpu description: CPU product: Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz vendor: Intel Corp. physical id: 40 bus info: cpu@0 version: Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz slot: SOCKET 0 size: 1600MHz capacity: 3800MHz width: 64 bits clock: 100MHz capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms cpufreq configuration: cores=4 enabledcores=4 threads=4

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• software for compression-decompression of pictures

  - by infant programmer

  I need to send hundreds of pictures via email. The size is reaching 100s of MBs .. which is certainly burden on network. WinRar, 7-Zip aren't helping .. Would you like to suggest any software which can carry out compression so that I can reduce the size and send it via email, and decompress it at the other end .. opensource or freeware are more preferred .. paid-versions are appreciated too Edit: I am seeking an alternative software for winrar and 7-zip which is more efficient in compressing .. but still not losing any data ..

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• Sound not working after installing PCI video card and then removing it

  - by bakhshu

  I am running 11.10 on a HP/Compaq Presario sr1010z, and the video/audio was working fine with whatever was in the machine already. Then I installed a new video card (PCI/nVidia), which disabled the audio/video on the old one automatically. But that card didn't work out too well so I removed it. Now the video is back to normal, but the audio is gone. I have tried the following: 1. In BIOS, set audio to on/enable rather than Auto 2. Looked for hardware in System Settings Sound, but nothing shows up there 3. But when I run the sysinfo utility, I get the description of the audio controller When I do a 'sudo aplay -l', I get 'aplay: device_list:240: no soundcards found...' And then when I do a 'lspci -v | grep -A7 -i "audio"' I get the following: 00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] SiS7012 AC'97 Sound Controller (rev a0) Subsystem: Hewlett-Packard Company Device 2a05 Flags: bus master, medium devsel, latency 32, IRQ 5 I/O ports at a000 [size=256] I/O ports at a400 [size=128] Capabilities: 00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f) (prog-if 10 [OHCI]) Any ideas on how to fix this? Thanks

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• Simultaneously execute two queries on a shell script

  - by Alex

  I have a shell script in which I have to execute two queries (on different databases), spool their results to text files and finally call a c++ program that processes the information on those text files. Something like this: sqlplus user1/pw1@database1 @query1.sql sqlplus user2/pw2@database2 @query2.sql ./process_db_output Both queries take some time to execute. One of them can take up to 10 minutes, while the other one is usually faster. What I want to do is execute them simultaneously and when both are done, call the processing utility. Any suggestion on how to do so?

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• How Can I Close the Leftmost Window in Vim?

  - by msutherl

  I'm trying to write a command that will close a tree-browser (vim-tree) window and resize the other windows. ,to opens the window and adjusts the window size so that all open windows retain a normal size (using :set columns+=30CTRL-W =). ,tc should close the tree window (full-length, far left) and resize the main window (:set columns-=30). How can I write a command that closes the leftmost window so that I can type ,tc to close the window and resize in one shot? I can navigate to it with CTRL-W h, but it is inelegant and potentially annoying (audible bell!) to use 10CTRL-W h in the command. :topleft c unfortunately doesn't work. Can you think of an elegant way to do this?

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• Wireless drivers

  - by Kencer

  The results for my laptop are as below. How will i install wireless drivers and graphics? $ lspci 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04) 00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4) 00:1c.1 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 2 (rev c4) 00:1c.3 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 4 (rev c4) 00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04) 02:00.0 Network controller: Broadcom Corporation Device 4365 (rev 01) 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 07) $ sudo lshw -c network *-network UNCLAIMED description: Network controller product: Broadcom Corporation vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:02:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:f0500000-f0507fff *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 07 serial: 3c:97:0e:85:c0:0d size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168e-3_0.0.4 03/27/12 ip=172.16.96.36 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:43 ioport:2000(size=256) memory:f0404000-f0404fff memory:f0400000-f0403fff $ rfkill list all 0: tpacpi_bluetooth_sw: Bluetooth Soft blocked: no Hard blocked: no

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• Can't run minecraft on ubuntu 12.04 lts [duplicate]

  - by user170011

  This question already has an answer here: How to correctly install and troubleshoot Minecraft (Client) 3 answers I was trying to run minecraft on my laptop with ubuntu 12.04 lts 64 bit. I have a lenovo ideapad p580 with 7.7 Gb and an Intel® Core™ i7-3520M CPU @ 2.90GHz × 4 processor. Under the graphics section of the system overview in ubuntu it says I have none installed. My computer comes with and nvidia geforce graphics card but it isnt recognized. When I start minecraft I get this crash report. ---- Minecraft Crash Report ---- // Shall we play a game? Time: 24/06/13 7:23 PM Description: Failed to start game org.lwjgl.LWJGLException: Could not init GLX at org.lwjgl.opengl.LinuxDisplayPeerInfo.initDefaultPeerInfo(Native Method) at org.lwjgl.opengl.LinuxDisplayPeerInfo.<init>(LinuxDisplayPeerInfo.java:52) at org.lwjgl.opengl.LinuxDisplay.createPeerInfo(LinuxDisplay.java:684) at org.lwjgl.opengl.Display.create(Display.java:854) at org.lwjgl.opengl.Display.create(Display.java:784) at org.lwjgl.opengl.Display.create(Display.java:765) at net.minecraft.client.Minecraft.a(SourceFile:235) at avv.a(SourceFile:56) at net.minecraft.client.Minecraft.run(SourceFile:507) at java.lang.Thread.run(Thread.java:679) A detailed walkthrough of the error, its code path and all known details is as follows: -- System Details -- Details: Minecraft Version: 1.5.2 Operating System: Linux (amd64) version 3.5.0-34-generic Java Version: 1.6.0_27, Sun Microsystems Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 406175448 bytes (387 MB) / 514523136 bytes (490 MB) up to 1908932608 bytes (1820 MB) JVM Flags: 2 total; -Xmx2048M -Xms512M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 LWJGL: 2.4.2 OpenGL: ~~ERROR~~ NullPointerException: null Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Texture Pack: Default Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null I can run it on different versions of linux such as fedora.

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• How to adjust DPI in 14.04

  - by jake

  I asked about fixing DPI in 12.04. The 14.04 release notes list "Support for High-DPI screens and desktop scaling." Post upgrade, it seems that nothing has changed. Similar symptoms from my previous post persist: The 1" square here is closer to 1/2" Despite the line xserver-command=X -dpi 170 in /etc/lightdm/lightdm.conf, xdpyinfo reports 96x96 dpi I did find that I was able to use the "Scale for menu and title bars" slider in System SettingsDisplays to fix title bar text size instead of setting org.gnome.desktop.interface text-scaling-factor as described here. The last post also mentions that in Gnome 3, DPI is hard coded to 96. Is this a limitation in 14.04? (I am somewhat ignorant to the distinction between Gnome and Unity) Can I do anything to properly set my DPI?

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• Load InfoPath 2010 Forms & XSN Templates in .NET Web Applications

  Aspose.Form for .NET now provides full support for InfoPath 2010 controls. Now it is possible to load InfoPath 2010 forms and XSN Templates in .NET Web Applications. Following is the list of InfoPath 2010 controls that are fully supported. Text Box                                   Rich Text Box                          ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Compressing/compacting messages over websocket on Node.js

  - by icelava

  We have a websocket implementation (Node.js/Sock.js) that exchanges data as JSON strings. As our use cases grow, so have the size of the data transmitted across the wire. The websocket protocol does not natively offer any compression feature, so in order to reduce the size of our messages we'd have to manually do something about the serialisation. There appear to be a variety of LZW implementations in Javascript, some which confuses me on their compatibility for in-browser use only versus transmission across the wire due to my lack of understanding on low-level encodings. More importantly, all of them seem to take a noticeable performance drag when Javascript is the engine doing the compression/decompression work, which is not desirable for mobile devices. Looking instead other forms of compact serialisation, MessagePack does not appear to have any active support in Javascript itself; BSON does not have any Javascript implementation; and an alternative BISON project that I tested does not deserialise everything back to their original values (large numbers), and it does not look like any further development will happen either. What are some other options others have explored for Node.js?

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• Documenting user interfaces in a mouse-less touch UI

  - by Daniel Cazzulino

  “Old” apps rely on mouse pointing and tooltips to explain what a given button is for. Maybe there is text associated with the button, but you can only put so much text without wasting useful screen state. More so in a phone or tablet app. I’ve seen a trend in Google apps where they put an overlay on top of the app the first time it runs, to explain how the various pieces of UI work. I have seen this also on my Nexus phone, but don’t have a screenshot. I don’t recall a way to actually bring that help overlay back again, so that’s maybe some built-in gesture that’s missing. Here’s what it looks like in Gmail, the first time you use the new compose layout:   I like the approach very much, and I think it’s something that should become standard part of mobile OS, and Windows, including a standard way to bring that help up from within any app....Read full article

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• How can I triple boot Xubuntu, Ubuntu and Windows?

  - by ag.restringere

  Triple Booting Xubuntu, Ubuntu and Windows I'm an avid Xubuntu (Ubuntu + XFCE) user but I also dual boot with Windows XP. I originally created 3 partitions and wanted to use the empty one as a storage volume but now I want to install Ubuntu 12.04 LTS (the one with Unity) to do advanced testing and packaging. Ideally I would love to keep these two totally separate as I had problems in the past with conflicts between Unity and XFCE. This way I could wipe the Ubuntu w/ Unity installation if there are problems and really mess around with it. My disk looks like this: /dev/sda1 -- Windows XP /dev/sda2 -- Disk /dev/sda: 200.0 GB, 200049647616 bytes 255 heads, 63 sectors/track, 24321 cylinders, total 390721968 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Device Boot Start End Blocks Id System /dev/sda1 * 63 78139454 39069696 7 HPFS/NTFS/exFAT /dev/sda2 78141440 156280831 39069696 83 Linux /dev/sda3 156282878 386533375 115125249 5 Extended /dev/sda4 386533376 390721535 2094080 82 Linux swap / Solaris /dev/sda5 156282880 386533375 115125248 83 Linux Keep each in it's own partition and totally separate and be able to select from each of the three systems from the GRUB boot menu... sda1 --- [Windows XP] sda2 --- [Ubuntu 12.04] "Unity" sda3(4,5) -- [Xubuntu 12.02] "Primary XFCE" What is the safest and easiest way to do this without messing my system up and requiring invasive activity?

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• How to display Extended ASCII in a DOS Console

  This demo shows how to display ASCII graphics ( Above 127 Characters ) in a DOS ( Windows ) Console from a text File.

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• Any learning/studying material for C/C++ that use game programming as learning context out there?

  - by mac

  As most of game programming is done - I read on this very site - in C/C++ I was wondering if there is any learning/studying material for C/C++ that would target specifically game programming. I am not looking for material about "developing games" or "software architecture for games", but rather for material that uses "game programming" as the CONTEXT for introducing and illustrating C/C++ features, idioms, programming techniques, etc... With a simile: think to the GOF book on design patterns. There, they used "developing a text-editor" as a context for introducing design patterns, but the book is most definitively not a book about "developing text-editors". Thanks in advance for your time and advice! PS: My background: I am a programmer with a solid experience in OO scripting languages and only some experience in C and Assembler (on AVR microcontrollers), so I am thinking to mid-to-advanced level material, rather than tutorials for beginners, although it might be interesting to take a look to the latter ones if nothing else is available.

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• HELP! Free space not reclaimed after online resizing ext4 in Ubuntu 9.10

  - by TiansHUo

  My root partition was filling up, with only 500 mbs left, I wanted to resize my root partition from 20 Gb to 40Gb So I resized my partition by using these steps: Using Gparted to resize another partition to give space for the EXT4 Using fdisk, deleting the root partition (on /dev/sda2), and creating it again using the new size resize2fs /dev/sda2 Updating grub2 But now the problem is that although I can boot in my new partition and the new partition shows it is 40Gb, but the free size was still 500mb. So I booted from a LiveCD and checked with e2fsck -p /dev/sda2, it reported clean. So I added the -f flag (force check), still, the drive is full.

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• How to use DoDirect/Paypal Pro in asp.net?

  - by ptahiliani

  using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Net;using System.IO;using System.Collections;public partial class Default2 : System.Web.UI.Page{    protected void Page_Load(object sender, EventArgs e)    {    }    protected void Button1_Click(object sender, EventArgs e)    {        //API Credentials (3-token)        string strUsername = "<<enter your sandbox username here>>";        string strPassword = "<<enter your sandbox password here>>";        string strSignature = "<<enter your signature here>>";        string strCredentials = "USER=" + strUsername + "&PWD=" + strPassword + "&SIGNATURE=" + strSignature;        string strNVPSandboxServer = "https://api-3t.sandbox.paypal.com/nvp";        string strAPIVersion = "2.3";        string strNVP = strCredentials + "&METHOD=DoDirectPayment" +        "&CREDITCARDTYPE=" + "Visa" +        "&ACCT=" + "4710496235600346" +        "&EXPDATE=" + "10" + "2017" +        "&CVV2=" + "123" +        "&AMT=" + "12.34" +        "&FIRSTNAME=" + "Demo" +        "&LASTNAME=" + "User" +        "&IPADDRESS=192.168.2.236" +        "&STREET=" + "Lorem-1" +        "&CITY=" + "Lipsum-1" +        "&STATE=" + "Lorem" +        "&COUNTRY=" + "INDIA" +        "&ZIP=" + "302004" +        "&COUNTRYCODE=IN" +        "&PAYMENTACTION=Sale" +        "&VERSION=" + strAPIVersion;        try        {            //Create web request and web response objects, make sure you using the correct server (sandbox/live)            HttpWebRequest wrWebRequest = (HttpWebRequest)WebRequest.Create(strNVPSandboxServer);            wrWebRequest.Method = "POST";            StreamWriter requestWriter = new StreamWriter(wrWebRequest.GetRequestStream());            requestWriter.Write(strNVP);            requestWriter.Close();            // Get the response.            HttpWebResponse hwrWebResponse = (HttpWebResponse)wrWebRequest.GetResponse();            StreamReader responseReader = new StreamReader(wrWebRequest.GetResponse().GetResponseStream());            //and read the response            string responseData = responseReader.ReadToEnd();            responseReader.Close();            string result = Server.UrlDecode(responseData);            string[] arrResult = result.Split('&');            Hashtable htResponse = new Hashtable();            string[] responseItemArray;            foreach (string responseItem in arrResult)            {                responseItemArray = responseItem.Split('=');                htResponse.Add(responseItemArray[0], responseItemArray[1]);            }            string strAck = htResponse["ACK"].ToString();            if (strAck == "Success" || strAck == "SuccessWithWarning")            {                string strAmt = htResponse["AMT"].ToString();                string strCcy = htResponse["CURRENCYCODE"].ToString();                string strTransactionID = htResponse["TRANSACTIONID"].ToString();                //ordersDataSource.InsertParameters["TransactionID"].DefaultValue = strTransactionID;                string strSuccess = "Thank you, your order for: $" + strAmt + " " + strCcy + " has been processed.";                //successLabel.Text = strSuccess;                Response.Write(strSuccess.ToString());            }            else            {                string strErr = "Error: " + htResponse["L_LONGMESSAGE0"].ToString();                string strErrcode = "Error code: " + htResponse["L_ERRORCODE0"].ToString();                //errLabel.Text = strErr;                //errcodeLabel.Text = strErrcode;                Response.Write(strErr.ToString() + "<br/>" + strErrcode.ToString());                return;            }        }        catch (Exception ex)        {            // do something to catch the error, like write to a log file.            Response.Write("error processing");        }    }}

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• unable to send mail from postfix on Ubuntu 12.04

  - by gilmad

  I'm trying to send an email through Google from my localhost. (via PHP5.3) But Google keeps on blocking my requests. I tried to follow the solutions given to a few similar questions, but for some reason they do not work. I followed these instructions to configure it - http://www.dnsexit.com/support/mailrelay/postfix.html Now for the config data: my main.cf file looks like that: relayhost = [smtp.gmail.com]:587 smtp_fallback_relay = [relay.google.com] smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = my sasl_passwd looks like that: [smtp.gmail.com]:587 [email protected]:password and that is how the mail.log rows look like: Dec 14 10:24:50 COMP-NAME postfix/pickup[5185]: 1C3987E0EDD: uid=33 from= Dec 14 10:24:50 COMP-NAME postfix/cleanup[5499]: 1C3987E0EDD: message-id=<[email protected] Dec 14 10:24:50 COMP-NAME postfix/qmgr[5186]: 1C3987E0EDD: from=, size=483, nrcpt=1 (queue active) Dec 14 10:24:50 COMP-NAME postfix/smtp[5501]: 1C3987E0EDD: to=, relay=smtp.gmail.com[173.194.70.109]:587, delay=0.61, delays=0.19/0/0.32/0.1, dsn=5.7.0, status=bounced (host smtp.gmail.com[173.194.70.109] said: 530 5.7.0 Must issue a STARTTLS command first. w3sm8024250eel.17 (in reply to MAIL FROM command)) Dec 14 10:24:50 COMP-NAME postfix/cleanup[5499]: C20677E0EDE: message-id=<[email protected] Dec 14 10:24:50 COMP-NAME postfix/bounce[5502]: 1C3987E0EDD: sender non-delivery notification: C20677E0EDE Dec 14 10:24:50 COMP-NAME postfix/qmgr[5186]: C20677E0EDE: from=<, size=2532, nrcpt=1 (queue active) Dec 14 10:24:50 COMP-NAME postfix/qmgr[5186]: 1C3987E0EDD: removed

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• Context is Everything

  - by Angus Graham

  Normal 0 false false false EN-CA X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} Context is Everything How many times have you have you asked a question only to hear an answer like “Well, it depends. What exactly are you trying to do?”.  There are times that raw information can’t tell us what we need to know without putting it in a larger context. Let's take a real world example.  If I'm a maintenance planner trying to figure out which assets should be replaced during my next maintenance window, I'm going to go to my Asset Management System.  I can get it to spit out a list of assets that have failed several times over the last year.  But what are these assets connected to?  Is there any safety consequences to shutting off this pipeline to do the work?  Is some other work that's planned going to conflict with replacing this asset?  Several of these questions can't be answered by simply spitting out a list of asset IDs.  The maintenance planner will have to reference a diagram of the plant to answer several of these questions. This is precisely the idea behind Augmented Business Visualization. An Augmented Business Visualization (ABV) solution is one where your structured data (enterprise application data) and your unstructured data (documents, contracts, floor plans, designs, etc.) come together to allow you to make better decisions.  Essentially we're showing your business data into its context. AutoVue allows you to create ABV solutions by integrating your enterprise application with AutoVue’s hotspot framework. Hotspots can be defined for your document. Users can click these hotspots to trigger actions in your enterprise app. Similarly, the enterprise app can highlight the hotspots in your document based on its business data, creating a visual dashboard of your business data in the context of your document. ABV is not new. We introduced the hotspot framework in AutoVue 20.1 with text hotspots. Any text in a PDF or 2D CAD drawing could be turned into a hotspot. In 20.2 we have enhanced this to include 2 new types of hotspots: 3D and regional hotspots. 3D hotspots allow you to turn 3D parts into hotspots. Hotspots can be defined based on the attributes of the part, so you can create hotspots based on part numbers, material, date of delivery, etc.  Regional hotspots allow an administrator to define rectangular regions on any PDF, image, or 2D CAD drawing. This is perfect for cases where the document you’re using either doesn’t have text in it (a JPG or TIFF for example) or if you want to define hotspots that don’t correspond to the text in the document. There are lots of possible uses for AutoVue hotspots.  A great demonstration of how our hotspot capabilities can help add context to enterprise data in the Energy sector can be found in the following AutoVue movies: Maintenance Planning in the Energy Sector - Watch it Now Capital Construction Project Management in the Energy Sector  -  Watch it Now Commissioning and Handover Process for the Energy Sector  -  Watch it Now

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