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  • What does int argc, char *argv[] mean?

    - by Greg Treleaven
    In many C++ IDE's and compilers, when it generates the main function for you, it looks like this: int main(int argc, char *argv[]) When I code C++ without an IDE, just with a command line compiler, I type: int main() without any parameters. What does this mean, and is it vital to my program?

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  • Java programming requirements

    - by hosseinsinohe
    Hi All, I am a C# programmer. I want to learn Java to implement my windows application. But I don't know what IDE and what tools can help me. Please help me to choose best platform and IDE and other tools. Edit: Thank You For Your Helping. And What is Best Ebooks and UserGuids to Learn java.

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  • question about linux

    - by davit-datuashvili
    i have following question i am writting programs in linux like this from command line i do following steps touch project.java nano project.java and // code here i have questions how can i create new classes interfaces and so on?because in IDE like netbeans i can do click on projects name with right size of mouse choose create new class or interfaces and it is created but how do it in linux if i dont use IDE?

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  • Will "Programming in the Cloud" Ever Take off?

    - by Pierreten
    Just got a chance to try out a cloud programming environment that let's you develop .net apps within the browser (http://coderun.com/ide/) I found it pretty interesting, since I was able to develop a mockup ASP.net site on an IPad. With javascript engines in browsers becoming faster and faster, cheap server infrastructure to compile on; will the cloud become the IDE platform of the future?

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  • Are there IDEs in which the code-completion widget is not a linear list?

    - by Uri
    Most mainstream IDEs use code-completion in the form of a linear list of suggestions (typically methods). Are there any IDEs (mainstream or not) or IDE plugins that use a non-linear widget, such as a tree? (e.g., pick category first, then the actual recommendation)? I'm working on an IDE feature and want to make sure I'm not reinventing the wheel or infringing some patent.

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  • Can FDT deal with .fla files or not ?

    - by user198729
    I'm trying to find an all-in-one IDE for flash, one that can deal with various flash related files. I just read this answer and it recommends fdt, but seems fdt can only deal with scripts but not .fla ones. Which IDE should I use so that I can use it to develop various files involved in flash developing?

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  • Testing movie with Flash IDE fails to load file from localhost

    - by davgothic
    Hi, I'm just wondering if anybody can help me with my simple but frustrating problem. I have created an SWF that loads an XML file from http://localhost/flash/Projects/MEL/Quiz/Quiz/bin/xml/quiz.xml, but I get this error when running the movie using Test Movie in the Flash IDE. Error #2044: Unhandled ioError:. text=Error #2032: Stream Error. URL: http://localhost/flash/Projects/MEL/Quiz/Quiz/bin/xml/quiz.xml at Main/loadConfig()[D:\www\webroot\flash\Projects\MEL\Quiz\Quiz\src\Main.as:126] at Main/configLoadError()[D:\www\webroot\flash\Projects\MEL\Quiz\Quiz\src\Main.as:143] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at flash.net::URLLoader/onComplete() The error I get if I handle the exception is: [IOErrorEvent type="ioError" bubbles=false cancelable=false eventPhase=2 text="Error #2032: Stream Error. URL: http://localhost/flash/Projects/MEL/Quiz/Quiz/bin/xml/quiz.xml"] Trouble is running the SWF in a browser locally does work, it only throws these errors in the Flash IDE. I have tried a adding wildcard crossdomain.xml file in my root web directory and setting the SWF publish properties for local playback security to Allow network only, but neither of these have solved my problem. I know Windows 7 handles localhost name resolution differently compared to previous versions of Windows but I have even added 127.0.0.1 localhost to my hosts file to no avail. Can anyone shed any light on this issue?

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  • RIA IDE - Visual Studio 2010, FlashBuilder and ExtJS Designer

    - by Ronaldo Junior
    I've been playing around with Flex4 - the trial version - and is really quite good in terms of layout development - since I'm starting a new RIA project and we still on the "what platform" phase I better listen what you guys have to say. In Flashbuilder I can do the layout and mix with the back end script code really fast - the version 4 give me the power to even test the functionality of the server side script, etc and since I can use Fllashbuilder as a Eclipse plugin, I end up with only one IDE. On the other hand, with Silverlight, it looks like if I want a "drag and drop" approach to build my interface I would need Expression Blend and Visual Studio (full or express version). Is there a way out that? I mean, Visual Studio 2010 will come with some sort of Silverlight component palet so that you can easily drag and drop it on your interface like you would do with WPF, etc? I don't wanna use Blend - is way too much for what we need - taking the "coding XAML" by hand is out of question as well. A third approach is to use ExtJS - they have a new designer IDE that looks promising.

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  • Integration test failing through NUnit Gui/Console, but passes through TestDriven in IDE

    - by Cliff
    I am using NHibernate against an Oracle database with the NHibernate.Driver.OracleDataClientDriver driver class. I have an integration test that pulls back expected data properly when executed through the IDE using TestDriven.net. However, when I run the unit test through the NUnit GUI or Console, NHibernate throws an exception saying it cannot find the Oracle.DataAccess assembly. Obviously, this prevents me from running my integration tests as part of my CI process. NHibernate.HibernateException : The IDbCommand and IDbConnection implementation in the assembly Oracle.DataAccess could not be found. Ensure that the assembly Oracle.DataAccess is located in the application directory or in the Global Assembly Cache. If the assembly is in the GAC, use element in the application configuration file to specify the full name of the assembly.* I have tried making the assembly available in two ways, by copying it into the bin\debug folder and by adding the element in the config file. Again, both methods work when executing through TestDriven in the IDE. Neither work when executing through NUnit GUI/Console. The NUnit Gui log displays the following message. 21:42:26,377 ERROR [TestRunnerThread] ReflectHelper [(null)]- Could not load type Oracle.DataAccess.Client.OracleConnection, Oracle.DataAccess. System.BadImageFormatException: Could not load file or assembly 'Oracle.DataAccess, Version=2.111.7.20, Culture=neutral, PublicKeyToken=89b483f429c47342' or one of its dependencies. An attempt was made to load a program with an incorrect format. File name: 'Oracle.DataAccess, Version=2.111.7.20, Culture=neutral, PublicKeyToken=89b483f429c47342' --- System.BadImageFormatException: Could not load file or assembly 'Oracle.DataAccess' or one of its dependencies. An attempt was made to load a program with an incorrect format. File name: 'Oracle.DataAccess' I am running NUnit 2.4.8, TestDriven.net 2.24 and VS2008sp1 on Windows 7 64bit. Oracle Data Provider v2.111.7.20, NHibernate v2.1.0.4. Has anyone run into this issue, better yet, fixed it?

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  • CPU overheating because of Delphi IDE

    - by Altar
    I am using Delphi 7 but I have trialed the Delphi 2005 - 2010 versions. In all these new versions my CPU utilization is 50% (one core is 100%, the other is "relaxed") when Delphi IDE is visible on screen. It doesn't happen when the IDE is minimized. My computer is overheating because of this. Any hints why this happens? It looks like if I want to upgrade to Delphi 2010, I need to upgrade my cooling system first. And I am a bit lazy about that, especially that I want to discahrge my computer and buy a new one (in the next 6 months) - probably I will have to buy a Win 7 license too. Edit: My CPU is AMD Dual Core 4600+. 4GB RAM Overheating means that temperature of the HDDs is raising because the CPU. Edit: Comming to a possible solution I just deleted all HKCU/CodeGear key and let started Delphi as "new". Guess what? The CPU utilization is 0%. I will investigate more.

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  • HTML tidy/cleaning in Ruby 1.9

    - by Christian
    I'm currently using the RubyTidy Ruby bindings for HTML tidy to make sure HTML I receive is well-formed. Currently this library is the only thing holding me back from getting a Rails application on Ruby 1.9. Are there any alternative libraries out there that will tidy up chunks of HTML on Ruby 1.9?

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  • How to install a downloaded Ruby gem file ?

    - by JCLL
    How does "gem install" works ? It is not intuitive... My gem is really here : [root@localhost Téléchargement]# ll *.gem -rw-rw-r-- 1 jean jean 16353818 mar 5 11:39 ruby-processing-1.0.9.gem But an idiomatic "gem install" does not see it... [root@localhost Téléchargement]# gem install ruby-processing-1.0.9.gem ERROR: could not find gem ruby-processing-1.0.9.gem locally or in a repository What's wrong with that ? Thx JC

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  • How to start Rails from a shell script on Debian?

    - by dsp_099
    I don't really have any need to mess with passenger or capistrano at the moment. I simply want to run rails on boot on port 3000. I've attempted to replicate this tutorial for node as much as I could to run rails: I've a railsup script in /etc/init.d/ that goes something like: #!/bin/sh export PATH=$PATH:/usr/local/bin case "$1" in start) cd /root/rails_app; /usr/local/rvm/gems/ruby-2.0.0-p247/bin/rails server -d -p 3005 ;; # starting other stuff *) I've also included it with update-rc.d I got it to work, but only if I run the script manually - it doesn't seem to run on boot. Is there any reason why ../bin/rails is unavailable on boot? I imagine there's something about ruby path \ rvm \ rails that I'm unaware of? Is there a way to use crontab's @reboot for this?

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  • NetBeans not able to include files

    - by eSKay
    IDE: NetBeans 6.8 OS: Fedora 12 I have been having this problem for a long time now. NetBeans is almost impossible to use with C/C++, maybe because it was not made for it in first place. Anyways what happens is this: I have this setup for C/C++ But, the programs are displayed like this: It is not able to find any header file!! I know it is a C++ program, the same thing happens with #include <cstdio>. As a result, it is not able to find the definition of printf and fails. Same thing happens with a .c file. Also, gcc works fine from the command line. Did someone face this problem before? What do I need to do to make this work?

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  • cannot install Komodo IDE

    - by Delirium tremens
    I double-click komodo, but it doesn't run. In the Terminal, I type "echo $PATH", but the Komodo dir isn't there. There too, I type "komodo", but the command isn't found. While trying to install Komodo, I may have typed wrong paths. How to correct $PATH? How to run Komodo? echo $PATH echoes /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games

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  • Linux: find thin server running on port 80 and kill it

    - by Andrew
    On my Linux server I ran: sudo thin start -p 80 -d Now I'd like to restart the sever. The trouble is, I can't seem to get the old process to kill it. I tried: netstat -anp But what I see on port 80 is this: Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN - So, it didn't give me a PID to kill... I tried pgrep -l thin but that gave me nothing. Meanwhile pgrep -l ruby gives me like 6 processes running. I don't really understand why multiple ruby threads would be running, or which one I need to kill... How do I kill / restart the thin daemon?

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  • 403 Forbidden

    - by demas
    Here is my Nginx config: user pass users; worker_processes 1; events { worker_connections 1024; } http { passenger_root /usr/lib64/ruby/gems/1.8/gems/passenger-3.0.7; passenger_ruby /usr/bin/ruby; include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; server { listen 80; server_name some.another.ru; root /www/public/redmine; passenger_enabled on; rails_env development; } } Here is Nginx log: 2011/06/02 12:53:57 [error] 45986#0: *1 directory index of "/www/public/redmine/" is forbidden, client: **.*.**.***, server: some.another.ru, request: "GET / HTTP/1.1", host: "some.another.ru" 2011/06/02 12:53:59 [error] 45986#0: *1 open() "/www/public/redmine/favicon.ico" failed (2: No such file or directory), client: **.*.**.***, server: some.another.ru, request: "GET /favicon.ico HTTP/1.1", host: "some.another.ru" What is the reason of this error and how can I fix it?

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  • Differing packages between Ubuntu 9.04 and 9.10

    - by bergyman
    So I've been playing around with VirtualBox and both of the above Ubuntu versions and I've noticed that there are some differences between the available packages when doing a apt-cache search <package>. Some of these I'm sure are obvious, as they potentially only work on their respective systems. But I've noticed specifically several ruby packages differ. So my question is whether or not there's a way to get some of the ruby packages (ruby1.9.1-full for example) which only seem to be available on 9.10 (yup, I did a sudo apt-get update on both 9.10 and 9.04) on my 9.04 system? Is there a way I can just do a kernel upgrade on 9.04, or whatever else may be needed in order to get at these more recent packages?

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  • Setting up autotest with rspec in ubuntu

    - by Reactor5
    I'm trying to set up autotest on Ubuntu, and no matter what my configuration, I get this: loading autotest/rails_rspec2 style: RailsRspec2 /home/brian/.rvm/gems/ruby-1.9.2-rc2@rails3tutorial/gems/redgreen-1.2.2/lib/redgreen/autotest.rb:6:in `<top (required)>': uninitialized constant Object::PLATFORM (NameError) the .autotest (~/.autotest) file I have is as follows: #!/usr/bin/env ruby require 'redgreen/autotest' def self.notify title, msg, img, pri='low', time=3000 `notify-send -i #{img} -u #{pri} -t #{time} '#{msg}'` end Autotest.add_hook :ran_command do |at| results = [at.results].flatten.join("\n") output = results.slice(/(\d+)\s+examples?,\s*(\d+)\s+failures?(,\s*(\d+)\s+not implemented)?(,\s*(\d+)\s+pending)?/) folder = "~/Pictures/autotest/" if output =~ /([123456789]|[\d]{2,})\sfailures?/ notify "FAIL:", "#{output}", folder+"rails_fail.png", 'critical', 10000 elsif output =~ /[1-9]\d*\spending?/ notify "PENDING:", "#{output}", folder+"rails_pending.png", 'normal', 10000 else notify "PASS:", "#{output}", folder+"rails_ok.png" end end what am I doing wrong here?

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  • Unicorn 3 throwing tons of errors (Rails 3.0.3, Unicorn 3.0)

    - by ulf
    I just tried to upgrade to Unicorn 3.0. I changed my Gemfile and did a bundle install. When restarting my Unicorn I got tons of errors beginning with: Unhandled listen loop exception #<Errno::ENOSYS: Function not implemented - accept>. /usr/lib/ruby/gems/1.8/gems/unicorn-3.0.0/lib/unicorn/http_server.rb:593:in `kgio_tryaccept' I’m on Ubuntu 10.04. And, can anyone explain to me why the heck I can’t use an older version of a Gem than the most recent installed? After getting the errors above I just changed the version number of Unicorn in my Gemfile to 1.1.4. But this didn’t solve the problem, Ruby told me that You have already activated unicorn 3.0.0, but your Gemfile requires unicorn 1.1.4. Consider using bundle exec. (Gem::LoadError) Do I really have to? Thanks in advance for your help, guys.

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  • Cucumber Makes Behavior-Driven Ruby on Rails Development Cool

    <b>WDVL:</b> "This article introduces the Cucumber framework, a tool for implementing the Behavior-Driven Development (BDD) methodology. The idea behind BDD is simple: everyone should understand the system features. Cucumber promotes this idea by enabling the features of a system to be written in the native language of the program as either specs or functional tests."

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  • Error running phusion passenger in standalone mode

    - by msidell
    I'm trying to run standalone phusion passenger so that I can run different ruby rvm configurations on the same host. I already have ruby and passenger running fine on this host. I am following the instructions here. When I run standalone passenger the first time, it appears to successfully install nginx. But then when it tries to run, I get this error: [root@clark directra]# passenger start -a 127.0.0.1 -p 3001 -d --user dweb *** ERROR *** Could not start Passenger Nginx core: nginx: [alert] could not open error log file: open() "/tmp/passenger-standalone.16757/logs/error.log" failed (2: No such file or directory) nginx: [alert] Unable to start the Phusion Passenger watchdog (/var/lib/passenger-standalone/3.0.11-x86-ruby1.9.3-linux-gcc4.1.2-1002/support/ agents/PassengerWatchdog): Permission denied (13) (13: Permission denied) Stopping web server... done FWIW, /tmp is writeable. Any idea what's wrong?

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