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• How to reference SMF libraries when deploying on phone 7 (Release)

  - by aHaH

  Initially, at Visual Studio, I clicked debug instead of release to deploy my app on phone 7 device. No errors, works perfectly fine! Received multitude of errors that mention that some of the libraries don't seem to exist on the mobile phone. For example, extract from the entire list of errors include Warning 10 The referenced component 'Microsoft.SilverlightMediaFramework.Utilities' could not be found. Warning 3 Could not resolve this reference. Could not locate the assembly "Microsoft.SilverlightMediaFramework.Plugins". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. SLARToolKitWinPhoneSample In addition, im also using Slartookit to power up the AR capabilities. Deploying (Release) on the mobile prompts the following errors too. Error 11 The type or namespace name 'SLARToolKit' could not be found (are you missing a using directive or an assembly reference?) What should I do? Will updating the mobile solve this? Do I have to manually install? Or? Thanks

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• Need a better way to execute console commands from python and log the results

  - by Wim Coenen

  I have a python script which needs to execute several command line utilities. The stdout output is sometimes used for further processing. In all cases, I want to log the results and raise an exception if an error is detected. I use the following function to achieve this: def execute(cmd, logsink): logsink.log("executing: %s\n" % cmd) popen_obj = subprocess.Popen(\ cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) (stdout, stderr) = popen_obj.communicate() returncode = popen_obj.returncode if (returncode <> 0): logsink.log(" RETURN CODE: %s\n" % str(returncode)) if (len(stdout.strip()) > 0): logsink.log(" STDOUT:\n%s\n" % stdout) if (len(stderr.strip()) > 0): logsink.log(" STDERR:\n%s\n" % stderr) if (returncode <> 0): raise Exception, "execute failed with error output:\n%s" % stderr return stdout "logsink" can be any python object with a log method. I typically use this to forward the logging data to a specific file, or echo it to the console, or both, or something else... This works pretty good, except for three problems where I need more fine-grained control than the communicate() method provides: stdout and stderr output can be interleaved on the console, but the above function logs them separately. This can complicate the interpretation of the log. How do I log stdout and stderr lines interleaved, in the same order as they were output? The above function will only log the command output once the command has completed. This complicates diagnosis of issues when commands get stuck in an infinite loop or take a very long time for some other reason. How do I get the log in real-time, while the command is still executing? If the logs are large, it can get hard to interpret which command generated which output. Is there a way to prefix each line with something (e.g. the first word of the cmd string followed by :).

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• Best way to associate data files with particular tests in RSpec / Ruby

  - by Bill T

  For my RSpec tests I would to automatically associate data files with each test. To clarify, if my tests each require an xml file as input data and then some xpath statements to validate the responses they get back I would like to externalize the xml and xpath as files and have the testing framework easily associate them with the particular test being run by using the unique ID of the test as the file(s) name. I tried to get this behavior but the solution isn't very clean. I wrote a helper method that takes the value of "description" and combines it with FILE to create a unique identifier which is set into a global variable that other utilities can access. The unique identifier is used to associate the data files I need. I have to call this helper method as the first line of every test, which is ugly. If I have an RSpec example that looks like this: describe "Basic functions of this server I'm testing" do it "should give me back a response" do # Sets a global var to: "my_tests_spec.rb_should_give_me_back_a_response" TestHelper::who_am_i __FILE__, description ... end end Is there some better/cleaner/slicker way I can get an unique ID for each test that I could use to associate data files with? Perhaps something build into RSpec I'm unaware of? Thank you, -Bill

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• Segmentation Fault when trying to push a string to the back of a list.

  - by user308012

  I am trying to write a logger class for my C++ calculator, but I'm experiencing a problem while trying to push a string into a list. I have tried researching this issue and have found some information on this, but nothing that seems to help with my problem. I am using a rather basic C++ compiler, with little debugging utilities and I've not used C++ in quite some time (even then it was only a small amount). My code: #ifndef _LOGGER_H_ #define _LOGGER_H_ #include <iostream> #include <list> #include <string> using std::cout; using std::cin; using std::endl; using std::list; using std::string; class Logger { private: list<string> *mEntries; public: Logger() { // Initialize the entries list mEntries = new list<string>(); } ~Logger() { // Release the list mEntries->clear(); delete mEntries; } // Public Methods void WriteEntry(string entry) { // *** BELOW LINE IS MARKED WITH THE ERROR *** mEntries->push_back(string(entryData)); } void DisplayEntries() { cout << endl << "**********************" << endl << "* Logger Entries *" << endl << "**********************" << endl << endl; for(list<string>::iterator it = mEntries->begin(); it != mEntries->end(); it++) { cout << *it << endl; } } }; #endif I am calling the WriteEntry method by simply passing in a string, like so: mLogger->WriteEntry("Testing"); Any advice on this would be greatly appreciated.

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• Capturing output of find . -print0 into a bash array

  - by Idris

  Using find . -print0 seems to be the only safe way of obtaining a list of files in bash due to the possibility of filenames containing spaces, newlines, quotation marks etc. However, I'm having a hard time actually making find's output useful within bash or with other command line utilities. The only way I have managed to make use of the output is by piping it to perl, and changing perl's IFS to null: find . -print0 | perl -e '$/="\0"; @files=<>; print $#files;' This example prints the number of files found, avoiding the danger of newlines in filenames corrupting the count, as would occur with: find . | wc -l As most command line programs do not support null-delimited input, I figure the best thing would be to capture the output of find . -print0 in a bash array, like I have done in the perl snippet above, and then continue with the task, whatever it may be. How can I do this? This doesn't work: find . -print0 | ( IFS=$'\0' ; array=( $( cat ) ) ; echo ${#array[@]} ) A much more general question might be: How can I do useful things with lists of files in bash?

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• Information about PTE's (Page Table Entries) in Windows

  - by Patrick

  In order to find more easily buffer overflows I am changing our custom memory allocator so that it allocates a full 4KB page instead of only the wanted number of bytes. Then I change the page protection and size so that if the caller writes before or after its allocated piece of memory, the application immediately crashes. Problem is that although I have enough memory, the application never starts up completely because it runs out of memory. This has two causes: since every allocation needs 4 KB, we probably reach the 2 GB limit very soon. This problem could be solved if I would make a 64-bit executable (didn't try it yet). even when I only need a few hundreds of megabytes, the allocations fail at a certain moment. The second problem is the biggest one, and I think it's related to the maximum number of PTE's (page table entries, which store information on how Virtual Memory is mapped to physical memory, and whether pages should be read-only or not) you can have in a process. My questions (or a cry-for-tips): Where can I find information about the maximum number of PTE's in a process? Is this different (higher) for 64-bit systems/applications or not? Can the number of PTE's be configured in the application or in Windows? Thanks, Patrick PS. note for those who will try to argument that you shouldn't write your own memory manager: My application is rather specific so I really want full control over memory management (can't give any more details) Last week we had a memory overwrite which we couldn't find using the standard C++ allocator and the debugging functionality of the C/C++ run time (it only said "block corrupt" minutes after the actual corruption") We also tried standard Windows utilities (like GFLAGS, ...) but they slowed down the application by a factor of 100, and couldn't find the exact position of the overwrite either We also tried the "Full Page Heap" functionality of Application Verifier, but then the application doesn't start up either (probably also running out of PTE's)

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• C++: how to build my own utility library?

  - by augustin

  I am starting to be proficient enough with C++ so that I can write my own C++ based scripts (to replace bash and PHP scripts I used to write before). I find that I am starting to have a very small collection of utility functions and sub-routines that I'd like to use in several, otherwise unrelated C++ scripts. I know I am not supposed to reinvent the wheel and that I could use external libraries for some of the utilities I'm creating for myself. However, it's fun to create my own utility functions, they are perfectly tailored to the job I have in mind, and it's for me a large part of the learning process. I'll see about using more polished external libraries when I am proficient enough to work on more serious, long term projects. So, the question is: how do I manage my personal utility library in a way that the functions can be easily included in my various scripts? I am using linux/Kubuntu, vim, g++, etc. and mostly coding CLI scripts. Don't assume too much in terms of experience! ;) Links to tutorials or places where relevant topics are properly documented are welcome.

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• VirtualBox - bridged adapter settings fail in Windows 7 host

  - by pcampbell

  Consider a Windows 7 host where the VirtualBox guest is configured to use Bridged Adapter. An exception is raised when starting this guest machine: Failed to open/create the internal network HostInterfaceNetworking (VERR_SUPDRV_COMPONENT_NOT_FOUND) Result Code: E_FAIL (0x80004005) What resolution is there to this problem for Bridged Adapters in VirtualBox? The solutions attempted: changed Adapter Type to all available choices. No changes. uninstall VirtualBox, reboot host, re-install VirtualBox. No change in behaviour. edited the machine's .xml file, wiping out all <Network> <Adapter> nodes. Had VirtualBox re-create those nodes. No change. Host Details Oracle VirtualBox 3.2.4 (release 62467) Windows 7 x86

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• Mac OS X Server Configure DHCP Options 66 and 67

  - by Paul Adams

  I need to configure Mountain Lion (10.8.2) OS X Server BOOTP to provide DHCP options 66 and 67 to provide PXE booting for PCs on my network. I have tried following the bootpd MAN pages, but they are not specific enough. I have also read conflicting information on the net, but nothing definitive for Mountain Lion DHCP. From bootpd man page: bootpd has a built-in type conversion table for many more options, mostly those specified in RFC 2132, and will try to convert from whatever type the option appears in the property list to the binary, packet format. For example, if bootpd knows that the type of the option is an IP address or list of IP addresses, it converts from the string form of the IP address to the binary, network byte order numeric value. If the type of the option is a numeric value, it converts from string, integer, or boolean, to the proper sized, network byte-order numeric value. Regardless of whether bootpd knows the type of the option or not, you can always specify the DHCP option using the data property list type <key>dhcp_option_128</key> <data> AAqV1Tzo </data> My TFTP server is 172.16.152.20 and the bootfile is pxelinux.0 I have edited /etc/bootpd.plist and added the following to the subnet dict: <key>dhcp_option_66</key> <data> LW4gLWUgrBCYFAo= </data> <key>dhcp_option_67</key> <data> LW4gLWUgcHhlbGludXguMAo= </data> According to the man page, the data elements are supposed to be Base64 encoded, but no matter what I try, I cannot get PXE clients to boot. I have tried encoding 172.16.152.20 using various methods: echo "172.16.152.20" | openssl enc -base64 returns MTcyLjE2LjE1Mi4yMAo= DHCP Option Code Utility (http://mac.softpedia.com/get/Internet-Utilities/DHCP-Option-Code-Utility.shtml) generating a string from 172.16.152.20 yields: LW4gLWUgMTcyLjE2LjE1Mi4yMAo= (used in the above example) DHCP Option Code Utility generating an IP Addresss from 172.16.152.20 yields: LW4gLWUgrBCYFAo= Encoding pxelinux.0 with the above methods likewise yields different encodings. I have tried using all three methods of encoding the data elements, but nothing seems to work i.e. my PXE boot clients do not get directed to my TFTP server. Can anyone help? Regards, Paul Adams.

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• SharePoint threw "Unknown SQL Exception 206 occured." Anyone familiar with this?

  - by dalehhirt

  Our SharePoint instance threw the following errors when attempting to access data through a Content Query Tool: 04/02/2010 10:45:06.12 w3wp.exe (0x062C) 0x1734 Windows SharePoint Services Database 5586 Critical Unknown SQL Exception 206 occured. Additional error information from SQL Server is included below. Operand type clash: uniqueidentifier is incompatible with datetime 04/02/2010 10:45:06.25 w3wp.exe (0x062C) 0x1734 Office Server Office Server General 900n Critical A runtime exception was detected. Details follow. Message: Operand type clash: uniqueidentifier is incompatible with datetime Techinal Details: System.Data.SqlClient.SqlException: Operand type clash: uniqueidentifier is incompatible with datetime at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlDataReader.ConsumeMetaData(... 04/02/2010 10:45:06.25* w3wp.exe (0x062C) 0x1734 Office Server Office Server General 900n Critical ...) at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlC 04/02/2010 10:45:06.25 w3wp.exe (0x062C) 0x1734 CMS Publishing 8vyd Exception (Watson Reporting Cancelled) System.Data.SqlClient.SqlException: Operand type clash: uniqueidentifier is incompatible with datetime at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlDataReader.ConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at System.Data.SqlClient.SqlCommand.FinishExecuteRead... 04/02/2010 10:45:06.25* w3wp.exe (0x062C) 0x1734 CMS Publishing 8vyd Exception ...er(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior) at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, ... 04/02/2010 10:45:06.25* w3wp.exe (0x062C) 0x1734 CMS Publishing 8vyd Exception ...CommandBehavior behavior) at Microsoft.SharePoint.SPSqlClient.ExecuteQuery(Boolean& bSucceed) at Microsoft.SharePoint.Library.SPRequestInternalClass.CrossListQuery(String bstrUrl, String bstrXmlWebs, String bstrXmlLists, String bstrXmlQuery, ISP2DSafeArrayWriter pCallback, Object& pvarColumns) at Microsoft.SharePoint.Library.SPRequest.CrossListQuery(String bstrUrl, String bstrXmlWebs, String bstrXmlLists, String bstrXmlQuery, ISP2DSafeArrayWriter pCallback, Object& pvarColumns) at Microsoft.SharePoint.SPWeb.GetSiteData(SPSiteDataQuery query) at Microsoft.SharePoint.Publishing.CachedArea.GetCrossListQuery(SPSiteDataQuery query, SPWeb currentContext) at Microsoft.SharePoint.Publishing.CrossListQueryCache.GetSiteData(CachedArea cachedArea, SPWeb web, SPSiteDataQuery qu... 04/02/2010 10:45:06.25* w3wp.exe (0x062C) 0x1734 CMS Publishing 8vyd Exception ...ery) 04/02/2010 10:45:06.25 w3wp.exe (0x062C) 0x1734 CMS Publishing 78ed Warning Error occured while processing a Content Query Web Part. Performing the following query ' 04/02/2010 10:45:06.25* w3wp.exe (0x062C) 0x1734 CMS Publishing 78ed Warning ...ue" Type="Number"/ The farm is MOSS 2007 with SQL Server 2005 backend. Any ideas are welcomed. Dale

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• Unable to remove file using 'rm'

  - by Alvin Sim

  Hi all, In one of our severs (IBM AIX), we have a file in path /data/1002/ which we were not able to remove or delete using the 'rm' command. The error message we got is "rm: A1208001.002: A file or directory in the path name does not exist." With the "-f" option, no error message was displayed, but the file is still there. This file has a '0' byte size and when i use the command "touch A120001.002", i see two files with the same file name in that directory. The directory listing is as below: $ ls -l total 56 -rwxrwxrwx 1 oracle dba 0 Feb 09 11:57 S1208001.002 drwxrwxrwx 4 nobody dba 24576 Feb 09 13:36 backup How do I remove this bogus fie? Thanks.

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• Kickstart PXE Boot Installation not working

  - by Anshuman

  I tried installing PXE Boot Installation Server on RHEL 6.0. I seem to have done everything according to the page: http://www.linux-sxs.org/internet_serving/pxeboot.html. In my case, the client boots, gets DHCP IP address from our server, connects to the Kickstart server too, but then nothing happens. It shows: Loading 192.168.1.101: pxe.linux.0 ..... 192.168.1.101 in my kickstart server. Did any one face such a situation? I'm using a test env on Oracle Virtualbox with DNS Server on RHEL 6.0, DHCP Server on CentOS 6.0 and Kickstart server on RHEL 6.0. The image I'm trying to install is that of REHL 6.0! Awaiting some responses! Cheers, Anshuman

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• Install "Massive Coupon"

  - by ffffff

  I'want to install "Massive Coupon" http://github.com/robstyles/Massive-Coupon---Open-source-groupon-clone I've set up apache2 + mod_wsgi + mysql on Ubuntu 9 And written the following settings.py # Django settings for massivecoupon project. import socket, os . . DATABASE_ENGINE = 'mysql' # 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'. DATABASE_NAME = 'grouponpy' # Or path to database file if using sqlite3. DATABASE_USER = 'grouponpy' # Not used with sqlite3. DATABASE_PASSWORD = 'password' # Not used with sqlite3. DATABASE_HOST = 'localhost' # Set to empty string for localhost. Not used with sqlite3. DATABASE_PORT = '' # Set to empty string for default. Not used with sqlite3. What I have to do additional then?

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• PHP ZendOptimizer on Red Hat Enterprise Linux

  - by Jacob Kristensen

  I would like to install FlashMoto and the requirements are not unreasonable: PHP 5.2.1 or higher, Zend Optimizer 3.3 or higher. However my RHEL 5.4 provides me with PHP 5.1.6. So I tried the remi repository http://rpms.famillecollet.com/ but it gave me PHP 5.3.1 and Zend Optimizer from zend.com does not support anything higher than 5.2.x. I also tried the dag repo but it does not have PHP in any version. I also tried some RPMs that Oracle provides on their homepage but they don't provide php-mbstring that I also need. Does anyone know how to get PHP 5.2.1 installed on a RHEL 5.4? Then I can probably fix install the Zend thing. Thanks in advance.

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• What is the data transfer speeds within the disk, to other devices?

  - by Kumar

  I use Debian 6 on a HP Elitbook 6930 with 2Gigs of RAM. I was copying two AVI files, 1.5 GB in total, and noticed that the data copying was done at the rate of 4MB/sec. When I copy same AVIs to my Western Digital Passport 25G USB plugin drive the data transfer speed is 11+MB/sec. This speed is different if I plugin the drive to different USB ports. Interestingly, at work I also downloaded a 16MB IE8 exe on my virtual xp, run inside Oracle Sun Virtual Box, and it was downloaded AND saved within a second. We have a high speed network at work. :-) Why and how this difference in data speeds is possible?

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• Citrix XenServer iSCSI shared disk?

  - by chsguy

  I am running Citrix XenServer Essentials 5.5, with VMs stored on an EqualLogic iSCSI shelf, using XenServer's StorageLink. I would like to create a "virtual disk" that can be attached to multiple VMs. This would be used for a cluster file system like OCFS2 or GFS. This doesn't seem possible using the XenCenter GUI and I can't find anything online about how to do it. I realize I could simply expose the iSCSI network to the VM and have the VM initiate its own iSCSI, but that creates a lot of security challenges. This was pretty easy to do on Oracle VM Server, which is Xen based, so I know it's not a limitation of Xen itself. Maybe there is an "xe-" command for this? Thanks for any suggestions you can provide.

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• jetty crash trouble shooting

  - by user886356

  Recently I switch to amazon ec2 + jetty9 + oracle jdk7_u45 for cost saving. I found the jetty server is very unstable. It crash randomly without any jvm dump file. Tried to enable stdout with the dumpBeforeStop=TRUE. It won't append the dump messages to stderrout.log before crash. Seems it isn't related to OutOfMemoryError as I have enabled the gc verbose options and found it still has many available memory before crash. : 162604K-3340K(176960K), 0.2240040 secs] 248332K-89101K(373568K), 0.2736860 secs] [Times: user=0.01 sys=0.01, real=0.28 secs] Tried to downgrade to jetty8 with different jdk combination (jdk6 / jdk7). Still got the same problem. Tried to remove all jvm options and using "sudo java -jar start.jar" to run jetty. Still crash. Any other way to shoot the problem?

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• vmware server end of life, where to go now?

  - by matnagel

  We have some virtual machines on vmware server 2.x running on 64 bit hardware and quite happy with it. As vmware server will no longer be offered we are thinking to migrate to ESXi, which seems is free. We will have to install the specialized network cards but that's a minor problem. But once left alone with a quite silently discontinued product there is some resistance to vmware. VirtualBox seems to work: http://blogs.oracle.com/virtualization/2010/06/migrating_from_vmware_to_virtu.html What other free (of licencing cost) options are there? We have windows server 2003 32 bit VMs and also linux 32 and 64 bit VMs to migrate. So xen does not seem an option, which does not run microsoft OSes.

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• Change Management Software

  - by Andrew

  I manage an 80,000 user CIS application written in Uniface. Every form in the application, and many of its processes, are represented by .frm files. We have hundreds of these files and 5 instances of the application. Instances include multiple production installations which must be kept sync'd. We do not get MD5 from our vendor for files that are released to us as patches. We have been using a spreadsheet to track changes, but this is far from ideal. Is there a commercial application that can be purchased that will allow us to track changes to the instances? Thank you all! EDIT: Patches are released as zip files with either FRM files in them or SQL files or a mix of both. SQL files will contain statements that need to be run in Oracle. Patches are also assigned unique patch numbers.

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• Multicast doesn't seem to be working on RHEL 5.5

  - by NullUser

  I'm trying to install Oracle Grid Infrastructure on two machines. Their documentation states You must enable multicasting for the cluster on the IP address subnet ranges 224.0.0.0/24 and 230.0.1.0/24 So I ran: route add -net 224.0.0.0/24 dev eth2 route add -net 230.0.1.0/24 dev eth2 route -n produces: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 230.0.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 224.0.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 # and others An ifconfig eth2 shows, among other things, UP BROADCAST RUNNING MULTICAST. However, when I run their multicast test utility, it fails me: Test for Multicast address 230.0.1.0 Sep 3 19:40:39 | Multicast Failed for eth2 using address 230.0.1.0:42000 Test for Multicast address 224.0.0.251 Sep 3 19:41:10 | Multicast Failed for eth2 using address 224.0.0.251:42001 What am I doing wrong?

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• Java version indicates SE 6, Java Control Panel SE 8

  - by Mariogs

  So I'm trying to get the Java 7 as the default version on my machine, running Mac OS X 10.9.3. When I run: java -version I get: java version "1.6.0_65" Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609) Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode) When I run: javac -version I get: javac 1.6.0_65 When I go into System Preferences -- Java -- Update, I see: Your system has the recommended vesion of Java. Java 8 Update 05. I guess I have a few questions: 1) Why does my Java Control Panel claim I have Java 8, but my work in the terminal (when checking my Java version) says otherwise? 2) I just downloaded the .dmg file for Java SE 7 from Oracle's site and installed, though it's nowhere to be seen... Thanks for the help, Mariogs

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• Named ports in windows!

  - by Jay

  I wonder how stuff like this works in windows (xp and other that have telnet): Start-> Run -> cmd -> telnet <xyz.com> http Start-> Run -> cmd -> telnet <xyz.com> pop3 Start-> Run -> cmd -> telnet <xyz.com> smtp Are these "named" ports? Only windows knows that it has to substitute port numbers coz these are standard ports? Is there way I could create such a named port on windows? I would like something like this : telnet <xyz.com> oracle to translate to telnet <xyz.com> 1521

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• alternatives to SGE

  - by bmargulies

  Once upon at time there was the free SGE from Sun. tricky to install and configure, but functional and free. Now we've got: open source packages on Ubuntu that don't quite work out of the box (details on request). the actual source behind them, with a build process that depends on the c-shell and other obsolescences, available from two competing locations. a commercial packaging from Oracle a commercial package from Univa What I am really wishing for is something with the basic capabilities of this that is simple to install and maintain. Heck, I'd take a front-end to hadoop that just queues and distributes simple shell-script-defined jobs.

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• Instant database snapshot

  - by raj

  My product uses oracle 9 database in its backend. every week the new release of the product is launched which will want to fire some DML, DDL queries to the database. I usually test the product release in a dummy database before applying it in the main database. I create a database dump using exp command, then import them into dummy database using imp. then i test the product in the dummy database and checks if there are any errors. This exp and imp takes about 3 hours to complete. Is there any alternative as : instant snapshot of the live database (which will be independent of the live one)? or is there any option to keep dummydatabase in sync with the originl database always. Yhis can be done by making the product firing DML&DDL queries to both the databases.. but this will be a HUGE performance problem.. how can i overcome this?

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• Is it me or is developing web based data entry GUIs a big pain?

  - by GregH

  Maybe it's me or maybe it isn't. I don't have a huge amount of experience of developing web based data entry software but do have some. I used to do it quite a bit years ago. Used to use Oracle Forms, Visual Studio, various 4th generation languages, and performing the user interface layout used to be a snap. Now doing the user interface for developing web applications seems to be a huge pain in the rear. Just trying to get text entry fields and widgets to go where they are supposed to go on the screen is a total pain. You have to know Javascript, CSS, JQuery, HTML, etc. There must be an easier way to develop data entry forms that produce the needed underlying code for a web page. Maybe I'm just not looking in the right place. There must be some WYSIWYG GUI development tools for the web for developing data entry forms out there. Anybody know of any?

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