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• PHP not obeying my defined ETags

  - by Sam Bisbee

  What I'm doing I'm pulling an image from the database and sending it to the browser with all the proper headers - the image displays fine. I also send an ETag header, using the SHA1 of the image's content as the tag. The images are getting called semi regularly, so caching is a bit of an issue (won't kill the site, but nice to have). The Problem $_SERVER['HTTP_IF_NONE_MATCH'] is not available to me. As far as I can tell, this is because of PHP's "disobey the cache controls" life style. I can't mess with the session cache limiter, because I don't have access. But, even if I did have access, I wouldn't want to touch it: 99% of the site is under WordPress. The Environment PHP 4 (don't ask) Apache 2.2 WordPress The images live in the database (largeblog), which I can't change. Any guidance, tip/tricks, etc. would be helpful. I don't have much room to change the environmental/structural stuff. Cheers.

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• How/when to hire new programmers, and how to integrate them?

  - by Shaul

  Hiring new programmers, especially in a small company, can often present a Catch-22 situation. We have too much work to do, so we need to hire new programmers. But we can't hire new programmers now, because they will need mentoring and several months of learning curve in your industry/product/environment before they're useful, and none of the programmers has time to be a mentor to a new programmer, because they're all completely swamped with the current work load. That may be a slightly frivolous way of describing the situation, but nevertheless, it's difficult for a small company on a tight budget to justify hiring someone who is not only going to be unproductive for a long time, but will also take away from the performance of the current programmers. How have you dealt with this kind of situation? When is the best time to hire someone? What are the best tasks to assign to a new team member so that they can learn their way around your code base and start getting their hands dirty as quickly as possible? How do you get the new guy useful without bogging your existing programmers down in too much mentoring? Any comments & suggestions you have are much appreciated!

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• Change select's class based on selected option's class

  - by Alasdair

  I have a page that contains numerous <select> elements. What I'm trying to achieve is to ensure that if a <select>'s selected <option> has a class called italic, then the <select> then has the italic class added (i.e. jQuery.addClass('italic')). If it doesn't, then the italic class is removed from the <select> to ensure other <option> elements are displayed correctly (i.e. jQuery.removeClass('italic')). What I'm noticing with most of my attempts is that either all the <select> have the italic class or that the italic class isn't being removed accordingly. Since I'm unsure my choice in selectors and callback logic are particularly sound or good practice in this instance (as I've been frustratingly trying to make it work) I've decided not to include the code I used in previous attempts. Instead, refer to this small HTML & CSS example: .italic { font-style: italic; } <select id="foo" name="foo" size="1" <option value="NA" selected="selected" - Select - </option <option value="1"Bar</option <option value="2"Fu</option <option value="3"Baz</option </select Also, I am aware that not all browsers support CSS styling of <select> and <option>. The related J2EE web application will only ever be accessed via Firefox under a controlled environment.

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• Cold Fusion blank page in IE7 on refresh?

  - by richardtallent

  I'm new to Cold Fusion, have a very basic problem that's really slowing me down. I'm making edits in a text editor and refreshing the page in web browsers for testing. Standard web dev stuff, no browser-sniffing, redirection, or other weirdness, and no proxies involved. When I refresh the page in Chrome or Firefox, everything works fine, but when I refresh in IE7, I get a blank page. View Source shows me: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=utf-8"></HEAD> <BODY></BODY></HTML> That's it. While I am rendering to the transitional DTD, the real head contains a title, etc. My development server is CF 9, production is 8. This problem has been happening in both. Seems it may only be happening on pages that are the the result of a POST action. I've never experienced this in ASP.NET (my usual development environment) using the same browsers.

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• Run a PHP script every second using CLI

  - by Saif Bechan

  Hello, I have a dedicated server running Cent OS with a Parallel PLESK panel. I need to run a php script every second, that updates my database. These is no alternative way timewise, i have checked every method, it needs to be updated every second. I can find my script using the url: http://www.mysite.com/phpfile.php?key=123, and this has to be executed every second. Does anyone have any knowledge at all on doing this, i can not seem to find the answer. I heard about doing it with CLI and putty, but i have no knowledge of this at all. Or can this be done using the PLESK Panel? And can the file be executed locally every second. Like \phpfile.php If someone helps me on answering these question i would really appreciate it. Regards EDIT It has been a few months since i added this question. I ended up using the following code: #!/user/bin/php $start = microtime(true); set_time_limit(60); for (i = 0; i < 59; ++$i) { doMyThings(); time_sleep_until($start + $i + 1); } Thank you for this code guys! My cronjob is set to every minute. I have been running this for some time now in a test environment, and this works out great. It works really supperfast, and i see no increase in CPU nor Memory usage.

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• Ruby Fileutils.cp_r Permission Denied when :preserve => true

  - by slawley

  Hello, I am trying to implement a poor-man's backup/mirroring script and am having some trouble. I am on Windows-XP, using Ruby's FileUtils module to recursively copy files. So long as I don't set the :preserve flag to true, everything works fine. Works: FileUtils.cp_r('Source_dir', 'Dest_dir', :verbose => true) Doesn't work: FileUtils.cp_r('Source_dir', 'Dest_dir', :verbose => true, :preserve => true) I have full permissions on the Dest_dir as it's on the desktop of my local machine and I just created it. I can copy and delete files and folders, but apparently changing, or maintaining the file attributes with :preserve isn't working. I haven't had a chance to try this on a Mac or linux box, but from reading around online the :preserve flag is a normal stumbling block to come up against in a Windows environment. In a similar line of questioning, what is the default behavior for FileUtils.cp_r when it encounters an existing file at the destination directory? Simply overwrite and replace everything in Destination with whatever is in Source, or can I skip a file with conflicts and just log it for resolution later? (If this should be a separate question, just let me know and I'll make it one.) Thanks, Spencer

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• How to set permissions or alter a git commit process when using local repositories

  - by Tony

  I have a server that contains a central git repository and one of my co-worker's development environment. My co-worker's repository's origin is the central git repository and he pushes there when he has some code to share. Likewise, I develop locally and push to the central git repository when I have some code to share, so my repository's origin is also the central git repository. The issue is that I have the central git repository under a "git" user's home directory. So when I push I am actually SSH'ing into the the server as the "git" user. To be even more clear, my config has these lines: $ more .git/config [remote "origin"] fetch = +refs/heads/*:refs/remotes/origin/* url = [email protected]:fsg [branch "master"] remote = origin merge = refs/heads/master When I push, git handles this SSH + push seamlessly with I am guessing some sort of git shell. The issue is that when my coworker pushes, he is logged in as himself for a user and gets a bunch of crazy permission errors. Is there a typical way to solve this problem without opening up git's directories to a group? I think this will be problematic when I push and therefore overwrite the the repository and those permissions are reset. Thanks!

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• archiving strategies and limitations of data in a table

  - by Samuel

  Environment: Jboss, Mysql, JPA, Hibernate Our web application will be catering to a large amount of users (~ 1,000,000) and there are a lots of child table where user specific data are stored (e.g. personal, health, forum contributions ...). What would be the best practice to archive user & user specific information. [a] Would it be wise to move the archived user & user specific information to their respective tables within the same database (e.g. user_archive, user_forum_comments_archive ...) OR [b] Would you just mark the database entries with a flag in the original table(s) and just query only non archived entries. We have a unique constraint on User.loginid, how do you handle this requirement if the users are archived via 1-[a] (i.e if a user with loginid 'samuel' gets moved into the archive table and if a new user gets added with the same name in the original table, how would you prevent this. What would be the best strategy to address the unique key constraints. We have a requirement to selectively archive records and bring it back if necessary, will you rely on database tools are would you handle this via your persistence APIs exposed by the JPA entity model.

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• How to override the default init.tcl

  - by Sean Murphy

  I'm working on a project where I want to make use of TCL as the command interpreter. I have a working c library object which I can load from within the tcl shell but my problem is finding a way to automatically do this while starting a tclsh. Essentially my ultimate goal is to be able to run a script and have it load my library and run some initial startup tcl code before dropping me back to the tclsh command prompt in interactive mode. e.g. tclsh -f myscript.tcl --then-switch-to-interactive or EXPORT TCLINIT=myscript.tcl tclsh The basic goal is to avoid having to distribute tclsh but rather rely in local user installations of tcl. All I would like to distribute is my library, a startup script and a shell command to launch the tclsh with the library preloaded. I've tried using the environment variables TCLINIT and TCL_LIBRARY but they seem to have no effect. The only workable solutions I've found so far are to add "source myscript.tcl" to either the end of /usr/share/tcltk/tcl8.5.init.tcl or ~/.tclshrc However both of these "solutions" are non perfect as they require modification of the default users workspace. It strikes me that there must be a way to handle this in TCL, but my research so far hasn't yielded anything. Does anyone have any suggestions?

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• Anything speaking against the bitnami.org Ruby/Rails/Redmine Stack?

  - by Pekka

  I am looking to set up a Redmine server on a Windows virtual machine on my local workstation. (Background in this related question.) I have zero knowledge of Ruby nor Rails, and while Redmine may be the opportunity to dip into those platforms somewhat, my first goal is to get it running as quickly and easily as possible. For that, I am eyeing the Bitnami Redmine Package. It promises point-and-click install, and a self-contained environment with everything you need. Apart from the learning factor, are there any serious limitations this method implies? Any serious cutdowns in customizability? I will be wanting to customize the template right away, for example, and install plugins. The package looks o.k. to me but before I install it, I was curious to know whether anybody would advise against it and why. Edit: The first impression is great. From 0 to a working Redmine installation in twelve minutes! Wow.

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• PHPUnit reporting "Aborted" no matter what tests are run

  - by GrumpyCanuck

  Having a weird problem with PHPUnit. We're using PHPUnit as part of a continuous integration environment, that contains one app written using Zend Framework and one app written using CodeIgniter. Unit tests run just fine under Zend Framework, but whenever I run the tests for CodeIgniter using fooStack's CIUnit bridge, I always get the same problem at the end: PHPUnit 3.4.14 by Sebastian Bergmann. ............... . Time: 1 second, Memory: 7.00Mb OK (16 tests, 14 assertions) Aborted First off, I do not know what those empty spaces between the . means. Secondly, no matter what test I run (all of them or each one separately) I get the same Aborted message at the very end. The tests themselves do not contain any exit or die statements. When I run the same version of PHPUnit on my laptop (running OS-X Snow Leopard and same version of Zend Server Community Edition) I do not get that aborted message. Running PHP 5.3.2 on Ubuntu installed using Zend Server Community Edition. Any help with this would be greatly appreciated.

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• rails application on production not working

  - by Steven

  i have a rails application on production which is running using mongrel, I can successfully start the mogrel for the application but when i try to access the application on the URL it is not responding... it is just hanging. This is the mongrel log... but when I hit xxx.xxx.xxx.xx:3001 it is not showing the website but on developent is working fine. ** Starting Mongrel listening at 0.0.0.0:3001 ** Initiating groups for "name.co.za":"name.co.za". ** Changing group to "name.co.za". ** Changing user to "name.co.za". ** Starting Rails with production environment... ** Rails loaded. ** Loading any Rails specific GemPlugins ** Signals ready. TERM = stop. USR2 = restart. INT = stop (no restart). ** Rails signals registered. HUP = reload (without restart). It might not work well. ** Mongrel 1.1.5 available at 0.0.0.0:3001 ** Writing PID file to /home/name.co.za/shared/log/mongrel.pid

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• android python full integration

  - by Grzegorz Oledzki

  Is there a way to fully integrate Python with Java code on Android platform? Yes, I saw the question about running Python on Android and Android Scripting Environment (ASE). But that doesn't seem to be enough (correct me if I am wrong). I wanted to be able not only to invoke a Python script from within Java code, but have a full integration. The feature I need the most is the ability to have a state of execution of python code saved and be able to run several parts of code on demand against the same execution state. On JavaSE I would rely on Jython. I believe its simplest example shows it all (and some other features too, like something I would call variable state introspection): http://www.jython.org/archive/21/docs/embedding.html PythonInterpreter interp = new PythonInterpreter(); System.out.println("Hello, brave new world"); interp.exec("import sys"); interp.exec("print sys"); interp.set("a", new PyInteger(42)); interp.exec("print a"); interp.exec("x = 2+2"); PyObject x = interp.get("x"); System.out.println("x: "+x); System.out.println("Goodbye, cruel world"); Is it possible on Android? Is ASE a way to go?

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• rake task via cron problem loading rubygems

  - by Matenia Rossides

  I have managed to get a cron job to run a rake task by doing the following: cd /home/myusername/approotlocation/ && /usr/bin/rake sendnewsletter RAILS_ENV=development i have checked with which ruby and which rake to make sure the paths are correct (from bash) the job looks like it wants to run as i get the following email from the cron daemon when it completes Missing these required gems: chronic whenever searchlogic adzap-ar_mailer twitter gdata bitly ruby-recaptcha You're running: ruby 1.8.7.22 at /usr/bin/ruby rubygems 1.3.5 at /home/myusername/gems, /usr/lib/ruby/gems/1.8 Run `rake gems:install` to install the missing gems. (in /home/myusername/approotlocation) my custom rake file within lib/tasks is as follows: task :sendnewsletter => :environment do require 'rubygems' require 'chronic' require 'whenever' require 'searchlogic' require 'adzap-ar_mailer' require 'twitter' require 'gdata' require 'bitly' require 'ruby-recaptcha' @recipients = Subscription.all(:conditions => {:active => true}) for user in @recipients Email.send_later(:deliver_send_newsletter,user) end end with or without the require items, it still gives me the same error ... can anyone shed some light on this? or alternatively advise me on how to make a custom file within the script directory that will run this function (I already have a cron job working that will run and process all my delayed_jobs. Cheers!

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• What's wrong with debugging in Eclipse on Android?

  - by Sebastian Dwornik

  I've obviously been spoiled by Visual Studio, because although I'm just learning Android and the Eclipse environment, debugging apps in Eclipse is becoming a serious detriment to further development. For example, Eclipse will compile this divide by zero just fine: public class Lesson2Main extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate (savedInstanceState); int i = 1 / 0; TextView tv = new TextView (this); tv.setText ("Hello, Android!"); setContentView (tv); } } And then, when it executes it under the debugger, I will get a full screen of useless debug info, non of which actually points me to the specific line containing the error. The stackTrace is null within the exception ('e') info tree, and it simply states a message stating 'ArithmeticException'. (that's nice, how about you point me in the direction of where you found it!?) I've looked all over the screen and am baffled that this IDE can't get this right. Does developing with Eclipse resort everyone back to 1991 with printf() like logging at every interval then to track down bugs? Seriously. Is there a configuration or plug-in that I'm missing to help with this? I haven't tested this case with XCode, but if the iPhone dev. IDE handles this more like Visual Studio, then no wonder the Android marketplace has so few apps. I'm excited about Android, but it seems that Eclipse is getting in the way.

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• Glassfish, railo and coldbox - messed up links?

  - by mrt181

  I am new to ColdFusion and ColdBox (and programming). I tried to setup ColdBox but some of the links in the sample applications are broken. My configuration is a GlassFish v3 installation with the current Railo OSS. I access my site through Apache 2.2.14. So instead of http://127.0.0.1:8080/railo/ I access my environment trough http://railo/. In Railo I have a webroot mapping / to C:/webapps/myproject/. I have copied the current ColdBox 3M4 to C:/webapps/myproject/coldbox. I can access the dashboard through http://railo/coldbox/dashboard/index.cfm and have access to all options. My problems start the moment I try to open the sample gallery: HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception java.io.FileNotFoundException: C:\webapps\viss-dev\coldbox\samples (Zugriff verweigert) note The full stack traces of the exception and its root causes are available in the GlassFish v3 logs. GlassFish v3 OK, no problem, just enter the link directly: http://railo/coldbox/samples/index.cfm. The site looks plain, who cares - BUT all local links look like this: http://127.0.0.1:8080/coldbox/samples/applications/helloworld/index.cfm (railo is replaced with 127.0.0.1:8080). Looks like trouble. To make my confusion perfect: when I try to access the login app: http://railo/coldbox/samples/applications/sampleloginapp/index.cfm and hit the submit button, I am redirected to this address: http://railo/railo/coldbox/samples/applications/sampleloginapp/index.cfm. I believe that this is not really ColdBox-related, but it manifests itself when I try to use ColdBox, so here I am. P.S.: amazon.de takes too long to ship the ColdBox book :(

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• How to troubleshoot PHP session file empty issue?

  - by Morgan Cheng

  I have a very simple test page for PHP session. <?php session_start(); if (isset($_SESSIONS['views'])) { $_SESSIONS['views'] = $_SESSIONS['pv'] + 1; } else { $_SESSIONS['views'] = 0; } var_dump($_SESSIONS); ?> After refreshing the page, it always show array 'views' => int 0 The environment is XAMPP 1.7.3. I checked phpInfo(). The session is enabled. Session Support enabled Registered save handlers files user sqlite Registered serializer handlers php php_binary wddx Directive Local Value Master Value session.auto_start Off Off session.bug_compat_42 On On When the page is accessed, there is session file sess_lnrk7ttpai8187v9q6iok74p20 created in my "D:\xampp\tmp" folder. But the content is empty. With Firebug, I can see cookies about the session. Cookie PHPSESSID=lnrk7ttpai8187v9q6iok74p20 It seems session data is not flushed to files. Is there any way or direction to trouble shoot this issue? Thanks.

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• What should be the "trunk" development, or release

  - by Nix

  I have the unfortunate opportunity of source control via Borland's StarTeam. It unfortunately does very few things well, and one supreme weakness is its view management. I love SVN and come from an SVN mindset. Our issue is post production release we are spending countless hours merging changes into a "production support" environment. Please do not harass me this was not my doing, I inherited it and am trying to present a better way of managing the repository. It is not an option to switch to a different SCM tool. Current setup Product.1.0 (TRUNK, current production code, and at this level are pending bug fixes) Product.2.0(true trunk anything checked in gets tested, and then released next production cycle, a lot of changes occur in this view) My proposal is going to be to swap them, have all development be done on the trunk (Production), tag on releases, and as needed create child views to represent production support bug fixes. Production Production.2.0.SP.1 I can not find any documentation to support the above proposal so I am trying to get feedback on whether or not the change is a good idea and if there is anything you would recommend doing differently.

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• python VTE Terminal weirdness

  - by mykhal

  i'm trying to use the terminal from python VTE binding (python-vte from debian squeeze) as a virtual terminal emulator (just for ANSI/control chars text processing) in interactive python console, everything looks (almost) all right: >>> import vte >>> term = vte.Terminal() >>> term.feed("a\nb") >>> print repr(term.get_text(lambda *a: True).rstrip()) 'a\n b' however, launching this code (little modified) as python script, different result is yielded: $ python vte_wiredness_1.py '' strangely enough, pasting the code back into the (new) interactive python session also yields empty string: >>> import vte >>> term = vte.Terminal() >>> term.feed("a\nb") >>> print repr(term.get_text(lambda *a: True).rstrip()) '' >>> first thing caming on my mind was that the only difference between the two cases is the timing - there had to be some delay before get_text. unfortunately, preluding get_text with some seconds sleep did not help then i thought it has something to do with X window environment. but the results are the same pure linux console (with some warning on missing graphics). i wonder what causes such an unpredictable behavior (interactive console - pasted vs typed, and it's not the delay.. ant the interactive console has nothing to do with the vte terminal object.. i guess) can someone explain what is happening? is it possible to use the VTE Term such way? that the "b" letter in the output is preceded by the space, is another strangeness (all consecutive lines are preceded by more spaces.. looks like I have to send carriage return before the string.) (the lambda *a: True get_text method argument i'm using is a dummy callback, it's is some SlotSelectedCallback.. for its explanation i'd be grateful as well :) )

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• Retrieving dll version info via Win32 - VerQueryValue(...) crashes under Win7 x64

  - by user256890

  The respected open source .NET wrapper implementation (SharpBITS) of Windows BITS services fails identifying the underlying BITS version under Win7 x64. Here is the source code that fails. NativeMethods are native Win32 calls wrapped by .NET methods and decorated via DllImport attribute. private static BitsVersion GetBitsVersion() { try { string fileName = Path.Combine( System.Environment.SystemDirectory, "qmgr.dll"); int handle = 0; int size = NativeMethods.GetFileVersionInfoSize(fileName, out handle); if (size == 0) return BitsVersion.Bits0_0; byte[] buffer = new byte[size]; if (!NativeMethods.GetFileVersionInfo(fileName, handle, size, buffer)) { return BitsVersion.Bits0_0; } IntPtr subBlock = IntPtr.Zero; uint len = 0; if (!NativeMethods.VerQueryValue(buffer, @"\VarFileInfo\Translation", out subBlock, out len)) { return BitsVersion.Bits0_0; } int block1 = Marshal.ReadInt16(subBlock); int block2 = Marshal.ReadInt16((IntPtr)((int)subBlock + 2 )); string spv = string.Format( @"\StringFileInfo\{0:X4}{1:X4}\ProductVersion", block1, block2); string versionInfo; if (!NativeMethods.VerQueryValue(buffer, spv, out versionInfo, out len)) { return BitsVersion.Bits0_0; } ... The implementation follows the MSDN instructions by the letter. Still during the second VerQueryValue(...) call, the application crashes and kills the debug session without hesitation. Just a little more debug info right before the crash: spv = "\StringFileInfo\040904B0\ProductVersion" buffer = byte[1900] - full with binary data block1 = 1033 block2 = 1200 I looked at the targeted "C:\Windows\System32\qmgr.dll" file (The implementation of BITS) via Windows. It says that the Product Version is 7.5.7600.16385. Instead of crashing, this value should return in the verionInfo string. Any advice?

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• SSRS2005 timeout error

  - by jaspernygaard

  Hi I've been running around circles the last 2 days, trying to figure a problem in our customers live environment. I figured I might as well post it here, since google gave me very limited information on the error message (5 results to be exact). The error boils down to a timeout when requesting a certain report in SSRS2005, when a certain parameter is used. The deployment scenario is: Machine #1 Running reporting services (SQL2005, W2K3, IIS6) Machine #2 Running datawarehouse database (SQL2005, W2K3) which is the data source for #1 Both machines are running on the same vm cluster and LAN. The report requests a fairly simple SP - lets called it sp(param $a, param $b). When requested with param $a filled, it executes correctly. When using param $b, it times out after the global timeout periode has passed. If I run the stored procedure with param $b directly from sql management studio on #2, it returns the results perfectly fine (within 3-4s). I've profiled the datawarehouse database on #2 and when param $b is used, the query from the reporting service to the database, never reaches #2. The error message that I get upon timeout, when using param $b, when invoking the report directly from SSRS web interface is: "An error has occurred during report processing. Cannot read the next data row for the data set DataSet. A severe error occurred on the current command. The results, if any, should be discarded. Operation cancelled by user." The ExecutionLog for the SSRS does give me much information besides the error message rsProcessingAborted I'm running out of ideas of how to nail this problem. So I would greatly appreciate any comments, suggestions or ideas. Thanks in advance!

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• Excel Automation Addin UDFs not accesible

  - by Eric

  I created the following automation addin: namespace AutomationAddin { [Guid("6652EC43-B48C-428a-A32A-5F2E89B9F305")] [ClassInterface(ClassInterfaceType.AutoDual)] [ComVisible(true)] public class MyFunctions { public MyFunctions() { } #region UDFs public string ToUpperCase(string input) { return input.ToUpper(); } #endregion [ComRegisterFunctionAttribute] public static void RegisterFunction(Type type) { Registry.ClassesRoot.CreateSubKey( GetSubKeyName(type, "Programmable")); RegistryKey key = Registry.ClassesRoot.OpenSubKey( GetSubKeyName(type, "InprocServer32"), true); key.SetValue("", System.Environment.SystemDirectory + @"\mscoree.dll", RegistryValueKind.String); } [ComUnregisterFunctionAttribute] public static void UnregisterFunction(Type type) { Registry.ClassesRoot.DeleteSubKey( GetSubKeyName(type, "Programmable"), false); } private static string GetSubKeyName(Type type, string subKeyName) { System.Text.StringBuilder s = new System.Text.StringBuilder(); s.Append(@"CLSID\{"); s.Append(type.GUID.ToString().ToUpper()); s.Append(@"}\"); s.Append(subKeyName); return s.ToString(); } } } I build it and it registers just fine. I open excel 2003, go to tools-Add-ins, click on the automation button and the addin appears in the list. I add it and it shows up in the addins list. but, the functions themselves don't appear. If I type it in it doesn't work and if I look in the function wizard, my addin doesn't show up as a category and the functions are not in the list. I am using excel 2003 on windows 7 x86. I built the project with visual studio 2010. This addin worked fine on windows xp built with visual studio 2008.

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• Form not updating usercontrol

  - by user328259

  From the post "Growing user control not updating"... Using C#, .Net 2.0 in a Windows environment. UserControl1 - draws cells to a bitmap buffer dependent upon NumberOfCells property UserControl2 - panel contains UserControl1 which displays vertical scroll when necessary; also contains NumberOfCells which sets UserControl1's NumberOfCells. Formf1 - contains NumericUpDown controls (just increments) which updates the UserControl2 - suppose to! When I increment the control on the form by say 20, UserControl1 adds the necessary cells, UserControl2 displays the vertical scroll bar accordingly, BUT the form does not 'redraw' to the updated/correct image!! Meaning, after I increment by 20, cells are added, vertical scrool bar added... but the image shown is just everything else expanding. I reset the control to scoll to the very TOP and the scrolling works, but the image is still staic... UNTIL I resize my form, more specifically, when I change it from maximize to window or vice versa!!! What can I do to 'reset/redraw' the correct image???? Thank you in advance. Lawrence

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• Getting Started with Ruby & Ruby on Rails

  - by JakeTheSnake

  Some background: I'm a jack-of-all traits, one of which is programming. I learned VB6 through Excel and PHP for creating websites and so far it's worked out just fine for me. I'm not CS major or even mathematically inclined - logic is what interests me. Current status: I'm willing to learn new and more powerful languages; my first foray into such a route is learning Ruby. I went to the main Ruby website and did the interactive intro. (by the way, I'm currently getting redirected to google.com when I try the link...it's happening to other websites as well...is my computer infected?) I liked what I learned and wanted to get started using Ruby to create websites. I downloaded InstantRails and installed it; everything so far has been fine - the program starts up just fine, and I can test some Ruby code in the console. However my troubles begin when I try and view a web page with Ruby code present. Lastly, my problem: As in PHP, I can browse to the .php file directly and through using PHP tags and some simple 'echo' statements I can be on my way in making dynamic web pages. However with the InstantRails app working, accessing a .rb or .rhtml page doesn't produce similar results. I made a simple text file named 'test.rb' and put basic HTML tags in there (html, head, body) and the Ruby tags <%= and % with some ruby code inside. The web page actually shows the tags and the code - as if it's all just plain HTML. I take it Ruby isn't parsing the page before it is displayed to the user, but this is where my lack of understanding of the Ruby environment stops me short. Where do I go from here?

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• Rails NoMethodError in loop when method exists

  - by Kevin Whitaker

  Good day all. I'm running into a bit of a problem getting a script running on my production environment, even though it works just fine on my dev box. I've verified that all the requisite gems and such are the same version. I should mention that the script is intended to be run with the script/runner command. Here is a super-condensed version of what I'm trying to do, centered around the part that's broken: def currentDeal marketTime = self.convertToTimeZone(Time.new) deal = Deal.find(:first, :conditions = ["start_time ? AND market_id = ? AND published = ?", marketTime, marketTime, self.id, 1]) return deal end markets = Market.find(all) markets.each do |market| deal = market.currentDeal puts deal.subject end Now convertToTimeZone is a method attached to the model. So, this code works just fine on my dev machine, as stated. However, attempting to run it on my production machine results in: undefined method `subject' for nil:NilClass (NoMethodError) If, however, I go into the console on the production box and do this: def currentDeal marketTime = self.convertToTimeZone(Time.new) deal = Deal.find(:first, :conditions = ["start_time ? AND market_id = ? AND published = ?", marketTime, marketTime, self.id, 1]) return deal end market = Market.find(1) deal = market.currentDeal puts deal.subject It returns the correct value, no problem. So what is going on? This is on rails v 2.3.5, on both machines. Thanks for any help

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