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• C++ to python communication. Multiple io streams?

  - by Dennis Kempin

  A python program opens a new process of the C++ program and is reading the processes stdout. No problem so far. But is it possible to have multiple streams like this for communication? I can get two if I misuse stderr too, but not more. Easy way to hack this would be using temporary files. Is there something more elegant that does not need a detour to the filesystem? PS: *nix specific solutions are welcome too

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• Set the Scrollbar width of a DataGridView

  - by jasonk

  I'm working on an app for a mobile device and would like to make a datagrid scrollbar button larger to enhance the touch screen usability. I do not want to alter the system settings windows display properties as this will affect the device as a whole. Is there an easy way to alter the width of the scrollbar on a datagrid view?

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• Light and simple bugtracker for a small team

  - by Varnenchik

  I'm looking for a simple and light tool for tracking ideas and bugs for small physics lab team (4 members). Bugzilla and Trac have too much fields and other stuff for us. I don’t think that we need more than issue descriptions and simple categorization. But we are not happy with text and excel files suggested here. Could you please advise me anything easy to install preferably?

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• Checking if a file exists in the App folder.

  - by Neurofluxation

  Hey you lot (again), I was wondering if anyone knew a fast and easy way to see if a file (namely a textfile), exists inside the App folder? And how to handle an Error correctly if the file doesn't exist. Help would be grand! :) ty!

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• Lua - Reflection - Get list of functions/fields on an object?

  - by luanoob

  I'm new to Lua and dealing with Lua as a scripting language in an alpha release of a program. The developer is unresponsive and I need to get a list of functions provided by some C++ objects which are accessible from the Lua code. Is there any easy way to see what fields and functions these objects expose?

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• How to play songs in iPhone from server ?

  - by hib

  Hello all, In my current application I want to show a songs list in table view which is pretty easy but on selection of one of the songs it should be played in media player . How can I do so . Provide me if anyone have good tutorial or example link

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• C check before writing to closed pipe

  - by Gary

  Is there an easy way to check if a pipe is closed before writing to it in C? I have a child and parent process, and the parent has a pipe to write to the child. However, if the child closes the pipe and the parent tries to read - I get a broken pipe error. So how can I check to make sure I can write to the pipe, so I can handle it as an error if I can't? Thanks!

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• Python operators returning ints

  - by None

  Is there any way to have Python operators line "==" and "" return ints instead of bools. I know that I could use the int function (int(1 == 1)) or add 0 ((1 == 1) + 0) but I was wondering if there was an easy way to do it. Like when you want division to return floats you could type from __future__ import division. Is there any way to do this with operators returning ints? Or could I make a class extending __future__._Feature that would do what I want?

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• Recommendations for a simple 2D graphics python library that can output to screen and pdf?

  - by Blue

  Hello: I'm looking for an easy-to-use graphics lib for python that can output to screen as well as pdf. So, I would use code to draw some stuff (simple prims like ovals, rectangles, lines and points) to screen and then when things look good, have it output to pdf. Make sense? Thanks! Blue

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• When should xargs loops be preferred over while-read loops?

  - by Charles Stewart

  xargs is widely used in shell scripting; it is usually easy to recast these uses in bash using while read -r; do ... done or while read -ar; do ... done loops. When should xargs be preferred, and when should while-read loops be preferred?

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• VS 2008 favorite projects list

  - by PaN1C_Showt1Me

  Hi ! I have a Folder with about 1000 Projects. So to open one, it's not that easy with this amount. Recent projects are very useful feature, what I need is something like favorite projects.

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• how to write nslookup programmatically?

  - by Jian Lin

  instead of using exec in our script to do an nslookup, is there an easy way to write it programmatically in PHP, Python, or Ruby?

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• Extract points within a shape from a raster

  - by user308827

  Hi, I have a raster file (basically 2D array) with close to a million points. I am trying to extract a circle from the raster (and all the points that lie within the circle. Using ArcGIS is exceedingly slow for this. Can anyone suggest any image processing library that is both easy to learn and powerful and quick enough for something like this? Thanks!

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• Problem using a method in Ruby

  - by Rafal

  I'm very new to Ruby (and OOP as well) and I don't know why the following thing doesn't work in Ruby I extended the String class with a new method. Easy enough. Now I want to extend the Fixnum class. A String object appears somewhere in the class, but I can't use the method that I defined earlier. Why? Is this normal?

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• powershell.exe tab completion - list alternatives?

  - by J Cooper

  I've never really used PowerShell before, and playing with it a bit, it looks like it uses cmd.exe's style of tab completion (fill in the first likely candidate, and then you can use tab to cycle through other alternatives). I'd much prefer the way e.g. bash works, where if there are multiple candidates, it shows a list of them. Is there an easy way to turn this on, by any chance?

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• Drupal, Nice menus, how to move the mouse over or out from an item

  - by Patrick

  hi, is easy to add a slow fade-in / fade-out effect to the Nice Menus in Drupal ? I'm considering how it would work together with the mouse interactions, such as moving the mouse over or outside a menu item. Thanks

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• How to store all in a variable instead of echoing everything separately?

  - by FLX

  Hi, please see: http://pastebin.com/5za3uCi1 I'm quite new to php and I'm editing the ventrilo status script. What I'd like it to do is that it stores everything in one big variable for easy parsing instead of using separate echo's. Can someone tell me how I can accomplish this? Thanks, Dennis

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• rewrite rule for codeigniter

  - by John

  this is my controller in CI class Welcome extends Controller { function Welcome() { parent::Controller(); } function index() { } function bil($model='') { } I want to do a rewrite so that http://example.com/index.php/welcome/bil/model becomes http://example.com/model in my htaccess I have RewriteBase / RewriteCond $1 !^(index\.php|images|robots\.txt) RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /index.php/welcome/$1 [L] #RewriteRule ^(.*)$ /index.php/welcome/bil/$1 [L] I thought it should be as easy as removing the /index.php/welcome/ part but when I uncomment the last line it get 500 internal server error

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• MySQL app with Cassandra in mind

  - by SODA

  I am planning to make a web app which will eventually use Cassandra. But now that I don't have it and don't have server(s) to run it from, I'd like to start by using MySQL. The question is, is it possible to structure data and queries in such a way that it would be fairly easy to later port it to Cassandra? Main idea, I guess, would be writing MySQL queries that would be possible to change to same Cassandra queries. Maybe you have a better suggestion?

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• How to test is a string is not defined in c?

  - by nunos

  Quick and easy C question: char* foo How can I test if foo hasn't still been assigned a value? Thanks.

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• use AMF + Flash remoting instead of JSON + REST on iPhone?

  - by Henry

  Although iPhone support JSON natively, and easy to consume RESTful services, AMF is a binary protocol and it supposes to use much less bandwidth. Do you think using AMF + Flash remoting is a good idea? Just found this AMF library in cocoa (Objective-C): http://github.com/nesium/cocoa-amf/

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• What is the MVC equivalent of this code:

  - by Ian Boyd

  Here's the easy pseudo-code: void TextBox1Changed() { //If the text isn't a number, color it red if (!IsValidNumber(TextBox1.Text) TextBox1.Color = Pink; else TextBox1.Color = WindowColor; } What's the MVC enterprisey version?

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• Windows Phone 7: Existing Libraries Not Supported?

  - by Peterdk

  I was hoping it was as easy as referencing my existing libraries to use them with WP7. However, it complains about not able to load them because of .Net CF when I actually use them. Do i need to recompile them to .NET CF or something? I thought the big plus of WP7 was: leveraging your existing codebase...? How can I leverage my existing codebase if I need to strip everything out of it and maintain multiple versions?

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• Calculating the maximum distance between elements of vector in Matlab

  - by lhahne

  Lets assume that we have a vector like x = -1:0.05:1; ids = randperm(length(x)); x = x(ids(1:20)); I would like to calculate the maximum distance between the elements of x in some idiomatic way. It would be easy to just iterate over all possible combinations of x's elements but I feel like there could be a way to do it with Matlab's built-in functions in some crazy but idiomatic way. Any ideas?

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• Developing on Windows -> Deploying on a Virtual Machine?

  - by Stefan Kendall

  Is there an easy way to integrate with VirtualBox such that I could develop under the host, Windows, and deploy and run scripts via a mounted folder in a guest linux system? I'm looking to develop for Linux under Windows, kind of.

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