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• Sending Subversion Change Log Info Via Hudson

  - by GrumpyCanuck

  I'm trying to integrate Hudson into our development process, and everything is going smooth except for one thing. I had been using Phing to do deployments, and one of the things that was being triggered was an email to our tech support email address containing a list of all the commit messages between the last time code was deployed and the present SVN revision. I was doing something like this: read in a file from the root directory of the currently-deployed application that contains the SVN revision when the app was deployed place that value in a Phing variable insert that value into a command to send the SVN commit messages via email create a file in the root directory of the newly-deployed application that contains the current SVN revision I'd like to be able to add that information to the email that gets sent out by Hudson when a successful build goes out. Any pointers on how to accomplish this task in Hudson would be greatly appreciated.

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• How can I find out which version of emacs introduced a function?

  - by Chris R

  I want to write a .emacs that uses as much of the mainline emacs functionality as possible, falling back gracefully when run under previous versions. I've found through trial and error some functions that didn't exist, for example, in emacs 22 but now do in emacs 23 on the rare occasion that I've ended up running my dotfiles under emacs 22. However, I'd like to take a more proactive approach to this, and have subsets of my dotfiles that only take effect when version = <some-threshold> (for example). The function I'm focusing on right now is scroll-bar-mode but I'd like a general solution. I have not seen a consistent source for this info; I've checked the gnu.org online docs, the function code itself, and so far nothing. How can I determine this, without keeping every version of emacs I want to support kicking around?

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• What languages have a while-else type control structure, and how does it work?

  - by Dan

  A long time ago, I thought I saw a proposal to add an else clause to for or while loops in C or C++... or something like that. I don't remember how it was supposed to work -- did the else clause run if the loop exited normally but not via a break statement? Anyway, this is tough to search for, so I thought maybe I could get some CW answers here for various languages. What languages support adding an else clause to something other than an if statement? What is the meaning of that clause? One language per answer please.

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• Import and Export for CSV are both broken in Mathematica

  - by dreeves

  Consider the following 2 by 2 array: x = {{"a b c", "1,2,3"}, {"i \"comma-heart\" you", "i \",heart\" u, too"}} If we Export that to CSV and then Import it again we don't get the same thing back: Import[Export["tmp.csv", d]] Looking at tmp.csv it's clear that the Export didn't work, since the quotes are not escaped properly. According to the RFC which I presume is summarized correctly on Wikipedia's entry on CSV, the right way to export the above array is as follows: a b c, "1,2,3" "i ""heart"" you", "i "",heart"" u, too" Importing the above does not yield the original array either. So Import is broken as well. I've reported these bugs to [email protected] but I'm wondering if others have workarounds in the meantime. One workaround is to just use TSV instead of CSV. I tested the above with TSV and it seems to work (even with tabs embedded in the entries of the array).

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• When to use Spring Integration vs. Camel?

  - by ngeek

  As a seasoned Spring user I was assuming that Spring Integration would make the most sense in a recent project requiring some (JMS) messaging capabilities (more details). After some days working with Spring Integration it still feels like a lot of configuration overhead given the amount of channels you have to configure to bring some request-response (listening on different JMS queues) communications in place. Therefore I was looking for some background information how Camel is different from Spring Integration, but it seems like information out there are pretty spare, I found: http://java.dzone.com/articles/spring-integration-and-apache (Very neutral comparison between implementing a real-world integration scenario in Spring Integration vs. Camel, from December 2009) http://hillert.blogspot.com/2009/10/apache-camel-alternatives.html (Comparing Camel with other solutions, October 2009) http://raibledesigns.com/rd/entry/taking_apache_camel_for_a (Matt Raible, October 2008) Question is: what experiences did you make on using the one stack over the other? In which scenarios would you recommend Camel were Spring Integration lacks support? Where do you see pros and cons of each? Any advise from real-world projects are highly appreciated.

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• Alternative to COM blind aggregation in .NET for class with private interface

  - by Philip

  When extending a COM class in unmanaged C++ where the original class has private interfaces, one way to do this is through the concept of blind aggregation. The idea is that any interface not explicitly implemented on the outer aggregating class is 'blindly' forwarded to the inner aggregated class. Now .NET as far as I can figure out does not support COM aggregation natively. A somewhat tedious workaround is to create a .NET class where you implement all the required COM interfaces directly on the .NET class and simply forward to an instance of the actual COM class for any methods you don't want to override. The problem I have is when the original COM object has one or more private interfaces, i.e. undocumented interfaces that are nonetheless used by some consumers of the original class. Using blind aggregation in unmanaged C++ this is a non-issue as the calls to the private interfaces are automatically forwarded to the original class, however I can't find any way of doing the same thing in .NET. Are there any other ways of accomplishing this with .NET?

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• Can I use ANTLR for both two-way parsing/generating?

  - by Mike Q

  Hi all, I need to both parse incoming messages and generate outgoing messages in EDIFACT format (basically a structured delimited format). I would like to have a Java model that will be generated by parsing a message. Then I would like to use the same model to create an instance and generate a message. The first half is fine, I've used ANTLR before to go from raw - Java objects. But I've never done the reverse, or if I have it's been custom. Does ANTLR support generating using a grammar or is it really just a parse-only tool?

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• Why Banks or Financial Companies prefer Oracle than other RDBMS for their "Core" systems?

  - by edwin.nathaniel

  I'd like to know why most Banks or Financial companies prefer Oracle than other RDBMS for their core systems (the absolutely minimum features that a Bank must support). I found a few answers that didn't satisfy me. For example: Oracle has more features. But features for what? Can't you implement that in application level if you were not using Oracle? Could someone please describe a bit more technical but still on high-level overview of what the bank needs and how Oracle would solve it and the others can't or don't have the features yet? I came from the web-app (web 2.0) crowd who normally hear news about MySQL, PostgreSQL or even key-value/column-oriented storage solution. I have almost zero knowledge on how Banks or Financial companies operates from technical perspective. Thank you, Ed

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• Java portable media detection

  - by quosoo

  I would like to write a piece of java code that synchronizes files between local hard drive and a usb storage. I would like to have a different synchronization configuration depending on which usb storage is plugged in and I would like to have apropriate configuration to be selected automatically rather than chosen by the user. I've just read the JSR-80 and jUSB documentation as well as a bunch of articles and SO posts, but all of those are very old and it seems that since that time (around 2005) all the efforts have been abandoned especially for Windows platform, while the OS-independence is quite important to me (at least Windows and Linux need to be supported). Do I really need to use any of the USB APIs to recognize external drives that are connected to the system? I need something that is more unique than file path, drive letter or drive label... And if yes which one would you recommend (unless I missed something jUnit is actually the only for which Windows support exists).

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• Is Eclipse Remote System Explorer broken on Windows?

  - by Kev

  I have the following setup on Windows 7 Ultimate x64: Eclipse Indigo 2.7.2 (Build: M20120208-0800) Remote System Explorer 3.3.2 (see screenshot) (Oracle/Sun) Java 1.6 Update 31 (x86) Despite all my best efforts I am unable to connect to a remote system (a Centos 5.6 server on my local LAN) using a Remote System Explorer SSH connection - I've tried both password authentication and using my SSH private key. Here is a screenshot of both the Eclipse error dialogue and what is logged in my /var/log/secure log file: /var/log/secure: Apr 1 12:00:21 nagios sshd[6176]: Received disconnect from 172.16.3.88: 3: com.jcraft.jsch.JSchException: Auth fail When I connect for the first time I do get prompted to verify the authenticity of the remote host and the RSA key fingerprint. But that's as far as things go. Performing the same operation with the same credentials on my Fedora Core 16 box (also running the same version of Eclipse and Java) to the same server is successful. This leads me to believe that RSE SSH support on Windows is either broken or there's some piece of the SSH-on-Windows puzzle I'm missing. Is this the case?

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• xmlhttp.responseText and xmlhttp.readyState works fine with localhost but if i use IP address it is

  - by hemant

  Hi All, xmlhttp.responseText and xmlhttp.readyState works fine with localhost but if i use IP address it is not returning values same as localhost. function getFilenames() { xmlhttp=GetXmlHttpObject(); if (xmlhttp==null) { alert ("Browser does not support HTTP Request"); return; } var url="GetFileNames.php"; xmlhttp.onreadystatechange=stateChanged; xmlhttp.open("GET",url,true); xmlhttp.send(null); } function stateChanged() { if (xmlhttp.readyState == 4) { StringFileName = xmlhttp.responseText; } else { StringFileName = null; } } Regards Hemant

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• Looking for popUpMenuPositioningItem:atLocation:inView: equivalent for 10.5

  - by Daniel Jette

  I'm working on an application that needs to display a context menu on screen in various scenarios. In the function I'm writing, I don't have access to any NSWindows or NSViews. I'd like to use popUpMenuPositioningItem:atLocation:inView as this function works perfectly for me in 10.6. However, we have a requirement to support 10.5, so this function isn't available to me. The feature I'm most interested in, as stated in the documentation is: If view is nil, the location is interpreted in the screen coordinate system. This allows you to pop up a menu disconnected from any window. Basically, I need to display the context menu given a location on screen, but without any associated view. Is there any way to achieve this on 10.5?

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• SSAS 2008/Excel 2007 - Can't see cube

  - by Brian

  I have created a cube in SSAS 2008. In BIDS and SSMS I can see it fine. However, I cannot connect through Excel. I have tried both Excel 2003 and Excel 2007. I must support both and neither work. I can see the database but the cubes do not show up. I created a dummy cube in the project using the wizard and deployed that to the same database. In Excel 2003, I can see and connect to the dummy cube. Excel 2007 can't even find the server/instance after adding this cube. I have used another computer and received the same results with Excel 2003. Does anyone have any suggestions? Thanks for any help you can give me. -Brian

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• How do I shim a Excel automation addin that implements IDTExtensibility2 but is not a com add in?

  - by Shane

  I found this article http://blogs.officezealot.com/whitechapel/archive/2005/05/21/4728.aspx but the example given is a straight automation add-in that does not implement IDTExtensibility2. My add in implements IDTExtensibility2 to get access to the excel object model but is not installed as a COM add in so RegisterFunction for example will called when one of the add in functions is first used not when the excel starts as in the case of the a COM add in. Will this method described in the link above work in my case also? I tried version 2.3.1 of the shim wizard which seems to have support for automations add-ins (it has a check box for automation add ins in the metadata import process). The generated shim runs (I can see breakpoints being hit in the debugger), but my functions no longer work (i get #NAME). The shims is installed as a COM add in and loads when excel starts so I suspect it's not doing what I want.

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• flash video covering JQueryUI model dialog

  - by user200295

  I have a site with a flash SWF on the home page. I have a login dialog that is displayed using the jquery ui modal. The modal dialog is being covered by the SWF movie when it opens. I tried setting the z-index etc but nothing seems to stop the SWF from covering the log in. Is there any way to force the SWF movie to the background? The SWF uses src="support/AC_RunActiveContent.js" if that helps isolate the version.

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• Cyclic References and WCF

  - by Kunal

  I have generated my POCO entities using POCO Generator, I have more than 150+ tables in my database. I am sharing POCO entities all across the application layers including the client. I have disabled both LazyLoading and ProxyCreation in my context.I am using WCF on top of my data access and business layer. Now, When I return a poco entity to my client, I get an error saying "Underlying connection was closed" I enabled WCF tracing and found the exact error : Contains cycles and cannot be serialized if reference tracking is disabled. I Looked at MSDN and found solutions like setting IsReference=true in the DataContract method atttribute but I am not decorating my POCO classes with DataContracts and I assume there is no need of it as well. I won't be calling that as a POCO if I decorate a class with DataContract attribute Then, I found solutions like applying custom attribute [CyclicReferenceAware] over my ServiceContracts.That did work but I wanted to throw this question to community to see how other people managed this and also why Microsoft didn't give built in support for figuring out cyclic references while serializing POCO classes

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• Recommendations for supporting both Oracle and MSSQL in the same ASP.NET app with NHibernate

  - by Hugo Zapata

  Our client wants to support both SQLServer and Oracle in the next project. Our experience comes from .NET/SQL Server platform. We will hire an Oracle developer, but our concern is with the DataAccess code. Will NHibernate make the DB Engine transparent for us? I don't think so, but i would like to hear from developers who have faced similar situations. I know this question is a little vague, because i don't have Oracle experience, so i don't know what issues we will find.

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• Remove the white text shadow from disabled links in IE8

  - by mancub

  We are using Ext JS for an application in work, building a custom theme for it. We currently have a dark colour scheme including menus with dark backgrounds. In some of the menus some of the links are disabled at certain points, which all perfectly. However IE8 seems to add a sort of white text shadow, which I am sure is normally fine but as the text is light grey and the background is dark grey the white text shadow makes it look blurry and even makes the other enabled links more disabled as they look darker. Does anyone know of a way to remove the text shadow (I realise it is not css text-shadow as IE does not support it).

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• How to properly manage multi-level SUBDIRS in Makefile.am:s?

  - by Jukka Dahlbom

  Working on platform WinXP with MinGW (gcc4.4) / MSYS, I am trying to get autotools build working for Apache Axis C, which does not support MinGW yet. A common issue automake complains about is caused by following lines in various Makefile.am:s axis-c-trunk/src/core/Makefile.am: SUBDIRS = [other child dirs] deployment transport/http/util transport/http/common engine transport The intent of this line is to force the order of building so that transport/http/util and transport/http/common are build before the engine directory, and building rest of the transport after engine is build. This line causes the following error when running automake under MinGW: src/core/Makefile.am:1: directory should not contain `/' Now, what would be the correct way of directly including grandchildren directories so that it would functionally work like ordinary SUBDIRS inclusion for immediate child directories?

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• use jquery autocomplete with carousel for preview and selection

  - by dave

  Hi, I've successfully used jquery autocomplete to display a list of matching images based on user input. The user experience isn't great though due to the number of potential matches - even with fairly prescriptive input. I've found this example at nokia http://www.nokia.co.uk/support/download-software/device-software-update (I know it's written in flash) which would provide the ideal interface for what I'm trying to achieve. Does anyone have any pointers for doing this using jquery autocomplete as a starting point? Or better still know of an existing javascript library that provides this functionality? I'm using the latest release of jquery if that matters. Thanks, Dave.

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• Packaging PHPUnit tests as a PHAR archive?

  - by therefromhere

  Is it possible to package PHPUnit tests as a PHAR archive, and run them using phpunit? I've created a .phar with the follow script: $cPhar = new Phar('mytests-archive.phar', 0); $cPhar->addFile('mytest.php'); $stub = <<<ENDSTUB #! /usr/bin/php <?php Phar::mapPhar('mytest-archive.phar'); require 'phar://mytests-archive.phar/mytest.php'; __HALT_COMPILER(); ENDSTUB; $cPhar->setStub($stub); $cPhar->compressFiles(Phar::GZ); $cPhar->stopBuffering(); But when I then try running the resulting archive as follows: phpunit mytests-archive.phar I get the error message: #! /usr/bin/php PHPUnit 3.3.17 by Sebastian Bergmann. Class MyTestClass could not be found in /path/to/mytests-archive.phar Does PHPUnit not support PHAR files, or am I missing a step in my build script? (This is my first attempt at using PHAR)

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• MySQL: Transactions across multiple threads

  - by Zombies

  Preliminary: I have an application which maintains a thread pool of about 100 threads. Each thread can last about 1-30 seconds before a new task replaces it. When a thread end, that thread almost always will result in inserting 1-3 records into a table, this table is used by all of the threads. Right now, no transactional support exists, but I am trying to add that now. So... Goal I want to implement a transaction for this. The rules for whether or not this transaction commits or rollback reside in the main thread. Basically there is a simple function that will return a boolean. Can I implement a transaction across multiple connections? If not, can multiple threads share the same connection? (Note: there are a LOT of inserts going on here, and that is a requirement).

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• Who Knows AppWeb HTTP Server And It's Embedded PHP?

  - by Andi

  Hi all, on my search for a fast but comfortable web server I dropped into the homepage of EmbedThis(TM) AppWeb(TM) HTTP server. This one has 2 licencse models, GPLv2 and a commercial one with support. On the first view it looks good: the footprint is not too big, it is fast and it has a lot of configuration otions. The most important thing would be a fast PHP execution using a built-in PHP library. Unfortunately this PHP library doesn't include every option, especially "gettext" which one I need for I18N. My target platform is Linux on an embedded device with an ARM based CPU. Does anybody have experiences with the issues mentioned above? Kind regards, Andi

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• Collaborative editing for .NET development - what are the possibilities

  - by Olav

  What are the best options for real-time collaborative editing for .NET development? (C#,VB.NET, ASP.NET - not Mono unless it is the best way to get collaboration) 1) Anything possible with visual studio? 2) Collaborative editors? I know Eclipse has real-time collaboration, but I don't know how far you can combine it with .NET support. 3) Web-based tools? 4) Desktop sharing tools like VNC, NX etc. The main points is that 2 developers in different locations should be able to see edits in real time. Both should be able to edit, or it should be easy to switch control. Regarding .NET, syntax highlighting etc is better than nothing.

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• How can I find the places of system calls of my program?

  - by Lucky Man

  From strace manual: -i Print the instruction pointer at the time of the system call. I straced my programm: strace -i prog As a result I got a lot of system calls. One of them: [000da49c] open("./rabbit.o", O_RDONLY) = 3 But disassembled instruction at this address of prog doesn't call any syscall (hte editor): da49c ! mov r7, ip What is wrong? How can I find the places of system calls of my program? P.S. Architecture of my device doesn't support GDB-command catch syscall.

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