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How to use glOrtho() in OpenGL?
I can't understand the usage of glOrtho . Can someone explain what it is used for?
3 Answers
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ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...用于匹配的类，例如我们需要匹配一种时间格式，可以是h:mm、也可以是hh:mm，那么我们可以这样构造我们的CAtlRegExp类：
CAtlRegExp <> re;
re.Parse( "{[0-9]?[0-9]}:{[0-9][0-9]}" );
ATL的正则表达式语法和Perl的正则表达式语法大同小异...
Adding Core Data to existing iPhone project
I'd like to add core data to an existing iPhone project, but I still get a lot of compile errors:
13 Answers
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How does Dijkstra's Algorithm and A-Star compare?
I was looking at what the guys in the Mario AI Competition have been doing and some of them have built some pretty neat Mario bots utilizing the A* (A-Star) Pathing Algorithm.
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How to set the authorization header using curl
How do I pass authorization header using cURL? ( executable in /usr/bin/curl ).
8 Answers
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Importing a Swift protocol in Objective-C class
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You need to add the @objc attribute to your Swift protocol like so:
@objc protocol AnalyticProtocol {
}
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Why are margin/padding percentages in CSS always calculated against width?
If you look at the CSS box model spec , you'll observe the following:
5 Answers
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How to Calculate Execution Time of a Code Snippet in C++
I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines.
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How can I pass selected row to commandLink inside dataTable or ui:repeat?
I'm using Primefaces in a JSF 2 application. I have a <p:dataTable> , and instead of selecting rows, I want the user to be able to directly execute various actions on individual rows. For that, I have several <p:commandLink> s in the last column.
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“Unresolved inclusion” error with Eclipse CDT for C standard library headers
I set up CDT for eclipse and wrote a simple hello world C program:
14 Answers
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