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• Gnuplot axis scale units

  - by Kami

  I have the following data in a log file: 1270719764.323778250 926 vm-mystery1 1073744528 0 1 1270719764.323815250 926 vm-mystery1 1073746080 0 1 1270719764.323842250 926 vm-mystery1 1075968992 0 1 The first column is a UNIX date that I want to use for my x-axis in a gnuplot graph. My graph looks ugly because the first unit in the x-axis is 1.27072e+09. I would like to have the x-axis looks like the following : x axis [(first row date - first row date) ; (last row date - first row date)] displaying ticks in mili seconds. How to do this ?

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• 'uninitialized constant ActionPack' when starting rails

  - by TheDeeno

  When starting my rails server I'm getting an 'uninitialized constant ActionPack' error. raw stack trace I'm using blunder with rails 2.3.8 running 'bundle list' shows: * actionmailer (2.3.8) * actionpack (2.3.8) * activerecord (2.3.8) * activeresource (2.3.8) * activesupport (2.3.8) * acts-as-taggable-on (2.0.6) * authlogic (2.1.5) * builder (2.1.2) * cucumber (0.7.3) * cucumber-rails (0.3.1) * database_cleaner (0.5.2) * diff-lcs (1.1.2) * faker (0.3.1) * gherkin (1.0.30) * haml (3.0.7) * hoe (2.6.0) * json_pure (1.4.3) * machinist (1.0.6) * nifty-generators (0.4.0) * nokogiri (1.4.2) * rack (1.1.0) * rack-test (0.5.4) * rails (2.3.8) * rake (0.8.7) * rr (0.10.11) * rspec (1.3.0) * rspec-rails (1.3.2) * rubyforge (2.0.4) * sqlite3-ruby (1.2.5) * term-ansicolor (1.0.5) * test-unit (1.2.3) * trollop (1.16.2) * webrat (0.7.1) Any idea what's going on here?

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• Assembly.CodeBase: when is it no file-URI?

  - by Marc Wittke

  Assembly.Location gives a plain path to the assembly. Unfortunately this is empty when running in a shadowed environment, such as unit test or ASP.NET. Hovever, the Codebase property is available and provides a URI that can be used instead. In which cases it returns no URI starting with file:///? Or in other words: what are the cases in which this won't work or will return unusable results? Assembly assembly = GetType().Assembly; Uri codeBaseUri = new Uri(assembly.CodeBase); string path = codeBaseUri.LocalPath;

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• Tutorials/Books on using Mono to develop RESTful webservices?

  - by max

  Hi, anyone out there got any pointers to good links/tutorials/books on developing webservices with Mono? In more detail, I am interested in using Mono from project start on a Linux host developing in C# using Visual Studio for development, ideally with remote debugging if that is realistic developing web-services in MONO accessible in a RESTful manner, returning JSON hiding the services processes behind an Apache access the services either via javascript/AJAX or from a thin script layer written in PHP scalability is important for me unit-testing of webservices Any recommendations for material I could sift through to get a good head-start? I might add that I'm C#/.NET savvy, but not in the context of web development. I've been using it since it came out, but mainly for internal server-client applications where the clients were Windows desktop apps and the communication layer was remoting or, sometimes, more low-level socket-based. Thanks, max

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• I'm starting a new project in Perl, how should I begin?

  - by Brad Gilbert

  The question is about how to start a new Perl project. How should I create the skeleton of the Project? What should the directory layout look like? How do I start testing? What build system should I use? Should I even use a build system? I have been writing Perl programs for a while now. I only started to run tests on my recent programs. I know Perl the language fairly well, now it is time to learn the way to build full blown Perl projects. I already add these to the beginning of every Perl file: use strict; use warnings; # and occasionally use autodie; I have also used Moose.

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• PL/SQL Package invalidated

  - by FrustratedWithFormsDesigner

  I have a script that makes use of a package (PKG_MY_PACKAGE). I will change some of the fields in a query in that package and then recompile it (I don't change or compile any other packages). I run the script and I get an error that looks like ORA-04068: existing state of packages has been discarded ORA-04061: existing state of package body "USER3.PKG_MY_PACKAGE" has been invalidated ORA-04065: not executed, altered or dropped package body "USER3.PKG_MY_PACKAGE" ORA-06508: PL/SQL: could not find program unit being called: "USER3.PKG_MY_PACKAGE" ORA-06512: at line 34 I run the script again (without changing anything else in the system) and the script executes successfully. I thought that when I compiled before I executed the script that would fix any invalid references. This is 100% reproducible, and the more I test this script the more annoying it gets. What could cause this, and what would fix it? (oracle 10g, using PL/SQL Developer 7)

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• CSS3 box-shadow + inset + RGBA

  - by mkotechno

  I'm doing some tests with new features of CSS3, but this combination only works in lastest versions of Chrome and Firefox, but not in Safari or Opera: box-shadow: inset 0px -10px 20px 0px rgba(0, 0, 0, 0.5); -webkit-box-shadow: inset 0px -10px 20px 0px rgba(0, 0, 0, 0.5); -moz-box-shadow: inset 0px -10px 20px 0px rgba(0, 0, 0, 0.5); I really don't know if they fails in the box-shadow itself, in the inset parameter, or in RGBA color. It's a syntax error or simply Safari and Opera lacks on this?

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• How to make sure web services are kept stable from one release to the next?

  - by Tor Hovland

  The company where I work is a software vendor with a suite of applications. There are also a number of web services, and of course they have to be kept stable even if the applications change. We haven't always succeeded with this, and sometimes a customer finds that a service is not behaving as before after upgrading. We now want to handle this better. In general, web services shouldn't change, and if they have to, at least we will know about it and document the change. But how do we ensure this? One idea is to compare the WSDL files with the previous versions at every release. That will make sure the interfaces don't change, but it won't detect that the behavior changes, for example if a bug is introduced in some common library. Another idea is to build up a suite of service tests, for example using soapUI. But then we'll never know if we have covered enough cases. What are some best practices regarding this?

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• Interview - Program on Computer

  - by Gilad Naor

  Spent some time searching, couldn't find exactly what I'm after. We like giving hands-on programming exercises as part of the interview process. The interviewee gets a laptop, with the editor and compiler of his choice. He or she then get a programming exercise and has about an hour to code it. Depending on the nature of the question, internet access is either allowed or forbidden. I'm looking for good general questions for a junior developer. I don't care what language they choose to program in. C++ is as good as Python or Scheme, as long as (s)he can program in it (this rules out "can you write a correct copy-constructor" style questions). I just want to see how they code, if their code is self-documenting, if they write tests, check edge-cases, etc. What kind of questions would you ask?

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• What is the proper way to specify a path to 'app' in a Rails plugin?

  - by Brian Deterling

  This question came about because the cells gem specifies template directories using File.join('app','cells'). That works fine until you run Rails as a daemon (scripts/server -d). The daemon switches directories to / which leaves the cells template paths pointing to the wrong absolute path. My solution was to set the default paths to File.join(RAILS_ROOT, 'app', 'cells'). This works in Rails, but the unit tests for the plugin fail because RAILS_ROOT isn't defined. Using File.join(File.dirname(__FILE__),'..' ... also works but requires about 6 levels of '..' which seems wrong. So my question is what is the proper way to specify the path to a directory under 'app' in a Rails plugin? Or is there something else wrong that would cause daemonizing Rails to fail to find the relative paths?

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• Project design / FS layout for large django projects

  - by rcreswick

  What is the best way to layout a large django project? The tutuorials provide simple instructions for setting up apps, models, and views, but there is less information about how apps and projects should be broken down, how much sharing is allowable/necessary between apps in a typical project (obviously that is largely dependent on the project) and how/where general templates should be kept. Does anyone have examples, suggestions, and explanations as to why a certain project layout is better than another? I am particularly interested in the incorporation of large numbers of unit tests (2-5x the size of the actual code base) and string externalization / templates.

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• Type patterns and generic classes in Haskell

  - by finnsson

  I'm trying to understand type patterns and generic classes in Haskell but can't seem to get it. Could someone explain it in laymen's terms? In [1] I've read that "To apply functions generically to all data types, we view data types in a uniform manner: except for basic predefined types such as Float, IO, and ?, every Haskell data type can be viewed as a labeled sum of possibly labeled products." and then Unit, :*: and :+: are mentioned. Are all data types in Haskell automatically versions of the above mentioned and if so how do I figure out how a specific data type is represented in terms of :*:, etc? The users guide for generic classes (ch. 7.16) at haskell.org doesn't mention the predefined types but shouldn't they be handled in every function if the type patterns should be exhaustive? [1] Comparing Approaches to Generic Programming in Haskell, Ralf Hinze, Johan Jeuring, and Andres Löh

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• How can I get to the value of my WPF UserControl DependencyProperty from UI Automation Framework?

  - by Surfbutler

  Hi, I'm having trouble getting access to my WPF UserControl DependencyProperty values through the UI Automation Framework. I've used James McCaffreys article in MSDN as a starting point (Automating IO Tests in WPF Applications, MSDN March 2009), but I can only see properties etc in standard controls such as buttons. I'm assuming there's some Automation interface I have to implement on my UserControl, but what and how? I can already see my control fine e.g. in UISpy, but I can't see the dependency properties within it. Here's what my usercontrol looks like currently in UISpy: AutomationElement General Accessibility AccessKey: "" AcceleratorKey: "" IsKeyboardFocusable: "False" LabeledBy: "(null)" HelpText: "Switches 48v Phantom Power On/Off (for Mic inputs only)." State IsEnabled: "True" HasKeyboardFocus: "False" Identification ClassName: "" ControlType: "ControlType.Custom" Culture: "(null)" AutomationId: "V48SwL" LocalizedControlType: "custom" Name: "" ProcessId: "5684 (VirtualSix)" RuntimeId: "7 5684 40026340" IsPassword: "False" IsControlElement: "True" IsContentElement: "True" Visibility BoundingRectangle: "(140, 457, 31, 20)" ClickablePoint: "155,467" IsOffscreen: "False" ControlPatterns

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• stub webserver for integration testing

  - by Frank Schwieterman

  I have some integration tests where I want to verify certain requires are made against a third-[arty webserver. I was thinking I would replace the third-party server with a stub server that simply logs calls made to it. The calls do not need to succeed, but I do need a record of the requests made (mainly just the path+querystring). I was considering just using IIS for this. I could 1) set up an empty site, 2) modify the system's host file to redirect requests to that site 3) parse the log file at the end of each test. This is problematic as for IIS the log files are not written to immediately, and the files are written to continuosly. I'll need to locate the file, read the contents before the test, wait a nondeterministic amount of time after the test, read the update contents, etc. Can someone think of a simpler way?

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• Getting latest Subsonic builds

  - by Alex Yakunin

  I need the latest Subsonic build or build it by my own. Subsonic project web site shows the latest available version is Subsonic v3.0.0.3 released at July 15, 2009. Questions: Are there any later builds - e.g. maintained by community members? If so, how can I get the latest one? In worst case I'm ready to get the latest source code and try to build it by my own. Are there any instructions for this? Please note, that I'm not interested in almost 1 year old builds - I need a build based on the latest code for tests (LINQ, performance), ideally - compiled for .NET 4.0.

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• Create fulltext index on a VIEW

  - by kylex

  Is it possible to create a full text index on a VIEW? If so, given two columns column1 and column2 on a VIEW, what is the SQL to get this done? The reason I'd like to do this is I have two very large tables, where I need to do a FULLTEXT search of a single column on each table and combine the results. The results need to be ordered as a single unit. Suggestions? EDIT: This was my attempt at creating a UNION and ordering by each statements scoring. (SELECT a_name AS name, MATCH(a_name) AGAINST('$keyword') as ascore FROM a WHERE MATCH a_name AGAINST('$keyword')) UNION (SELECT s_name AS name,MATCH(s_name) AGAINST('$keyword') as sscore FROM s WHERE MATCH s_name AGAINST('$keyword')) ORDER BY (ascore + sscore) ASC sscore was not recognized.

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• Cucumber vs. built-in testing? [Rails]

  - by yuval

  I asked a question about different testing frameworks yesterday. This question can be found here. Now that I have a better understanding of the different frameworks, I have a very simple question: With a basic understanding, but very limited experience with writing tests with rails' built in testing framework (basic assertions), would it be okay for me to jump directly to testing with RSpec, Webrat, and Cucumber? Thank you! As a side note: yes, this is an opinion based question, but I feel that the input received to this question is valuable enough to the community to keep this question open. Thanks.

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• Good workflow with emacs+swank+slime+clojure?

  - by grm

  I just wanted opinion on good workflow using the emacs environment with clojure+swank+slime. I often find myself doing very repetitive keycommands and wonder if there is an obvious better way. I include swank with lein and start my project using lein swank from shell. Then I connect with emacs and do the correct use commands so that I can start to use (run-tests ). Then I do some coding and then want to test. To run the test I need to change buffer in emacs to the swank-repl C-x o, then I need to go to the prompt M-, then repeat the command M-p, then enter, maybe with an exception, then back to the code buffer and continue all over again with all the emacs commands. I find it a bit repetitive. I guess the solution would be to start hack on emacs and maybe add a shortcut for doing this repetitive task, but I would love to hear some suggestions because I can't be the only one who find this tedious?

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• MS Test : How do I enforce exception message with ExpectedException attribute

  - by CRice

  I thought these two tests should behave identically, in fact I have written the test in my project using MS Test only to find out now that it does not respect the expected message in the same way that nunit does. nunit (fails): [Test, ExpectedException(typeof(System.FormatException), ExpectedMessage = "blah")] public void Validate() { int.Parse("dfd"); } ms test (passes): [TestMethod, ExpectedException(typeof(System.FormatException), "blah")] public void Validate() { int.Parse("dfd"); } No matter what message I give the ms test, it will pass. Is there any way to get the ms test to fail if the message is not right? Can I even create my own exception attribute? I would rather not have to write a try catch block for every test where this occurs.

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• What's the ROI of using a build tool like ant or nant?

  - by leeand00

  To me this sounds like a really stupid question. Why would you not use a build tool? However, I need to explain my co-worker why he should be using a build tool of some sort. He's getting really into the idea of working as a team with more programmers, but he isn't understanding the bigger picture of what needs to change in the build process in order to work with a larger team; (i.e. defensive programming/unit testing your code, having a bug database, programming modular libraries, and using sub-repositories to store modules in version control. This is a rather large stack of technologies that I need to prove the ROI of...so I figured I'd start with the ROI of using a build tool rather than just...say...clicking compile.

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• Can't reach the new zend controller/view

  - by Zakaria

  Hi, I've installed Zend Studio 7.1.1 that contains 1.9 framework. For the server side, I use easyphp (very similar to wamp) When I create the project, I obviously obtain this architecture: MyProject |-- application | |-- Bootstrap.php | |-- configs | | `-- application.ini | |-- controllers | | |-- ErrorController.php | | `-- IndexController.php | |-- models | `-- views | |-- helpers | `-- scripts | |-- error | | `-- error.phtml | `-- index | `-- index.phtml |-- library |-- public | |-- .htaccess | `-- index.php `-- tests |-- application | `-- bootstrap.php |-- library | `-- bootstrap.php `-- phpunit.xml To launch the project, I enter: http://127.0.0.1/MonProjet/public/index.php But when I create a new controller (TestController.php) and the associated view (application.views/test/index.phtml) and when I enter: http://127.0.0.1/MonProjet/public/test the browser returns the error : object not found (404). although I activated the mod_rewrite LoadModule rewrite_module modules/mod_rewrite.so So, how can I set the routing mechanism to reach the new controllers and their views? Thank you very much, regards.

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• How to calculate the correct height for an auto-expanding textbox in Silverlight?

  - by JacobE

  In my Silverlight app I want a multi-line text box to expand every time the user hits Enter. The difficult part is how to calculate the correct height based on the number of text lines. I have tried the following but the textbox becomes too small: box.Height = box.FontSize*lineCount + box.Padding.Top + box.Padding.Bottom + box.BorderThickness.Top + box.BorderThickness.Bottom; What am I missing here? Or maybe it can be done automatically somehow? Thanks, Jacob Edit: I suspect the problem to be in the FontSize property (does it use another size unit?)

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• Load page, wait, log any JavaScript errors to file?

  - by David

  I would like to check a large number of HTML files with inline JavaScript for JavaScript errors. What I'm envisioning doing is this: Script a browser to load a given page, wait a few seconds, and finally check the browser logs. I'm unsure though both on how to script a browser to load a given page and on how to access the JavaScript error log. I think the type of errors I'm worried about should show up in any modern browser so I would just go with whatever makes it most convenient. I'd be working either under Mac OS X or Linux. Anybody already tackle a similar problem? I've thought a bit about hacking something together based on a unit testing framework -- generate a trivial (assertTrue(true)) test for each page and rely on the errors making it fail -- but I'm hoping for something more elegant. Thank you.

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• CMIS explorer webapp

  - by Nicolas Raoul

  CMIS is a recently approved standard for accessing ECM repositories. My idea is to create a repository explorer using CMIS, under the form of an open source Java/JEE Web Application. The main interest would probably be for integrators, using it as a framework on which to quickly build repository access intranet/extranet applications. Of course, if such an open source project already exists, I would rather contribute to it rather than start a competing effort. So, does such an application/framework already exist? As open source? The only one I have found so far is chemistry-opencmis-test-browser, which is intended for tests and seems really inconvenient to extend for business use (no MVC, no IoC).

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• C# System.Diagnostics.Debugger.Debug() stopped working

  - by Andrew Miner

  I'm working on a program which uses the System.Diagnostics.Debugger.Break() method to allow the user to set a breakpoint from the command-line. This has worked fine for many weeks now. However, when I was working on fixing a unit test today, I tried to use the debug switch from the command-line, and it didn't work. Here's what I've tried: I've confirmed that the Debug() method is really being called (by putting a System.Console.WriteLine() after it) I've confirmed that the build is still in Debug I've done a clean build I've restarted Product Studio A quick Google search didn't reveal anything, and the API documentation for .Net doesn't mention anything about this function not performing correctly. So... any ideas?

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