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Tree data structure in C#

... My best advice would be that there is no standard tree data structure because there are so many ways you could implement it that it would be impossible to cover all bases with one solution. The more specific a solution, the less likely it is applicable to any given p...
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Check orientation on Android phone

How can I check if the Android phone is in Landscape or Portrait? 23 Answers 23 ...
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How can I get rid of an “unused variable” warning in Xcode?

I understand exactly why unused variable warnings occur. I don't want to suppress them in general, because they are incredibly useful in most cases. However, consider the following (contrived) code. ...
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JavaScript for detecting browser language preference [duplicate]

...ears this value is not available through javascript at all. (Probably why @anddoutoi states he can't find a reference for it that doesn't involve server side.) I have coded a workaround: I've knocked up a google app engine script at http://ajaxhttpheaders.appspot.com that will return you the HTTP r...
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Literal suffix for byte in .NET?

...re a byte variable in a short way like floats or doubles? I mean like 5f and 5d . Sure I could write byte x = 5 , but that's a bit inconsequential if you use var for local variables. ...
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How to manage client-side JavaScript dependencies? [closed]

... |___ require.js main.js is where you initialize your client application and configure require.js: require.config({ baseUrl: "/sampleapp", paths: { jquery: "libs/jquery", // Local underscore: "http://underscorejs.org/underscore-min.js", // Remote backbone: "https:/...
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Why use apparently meaningless do-while and if-else statements in macros?

... The do ... while and if ... else are there to make it so that a semicolon after your macro always means the same thing. Let's say you had something like your second macro. #define BAR(X) f(x); g(x) Now if you were to use BAR(X); in an if ...
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not None test in Python [duplicate]

...with default parameters. is tests identity in Python. Because there is one and only one instance of None present in a running Python script/program, is is the optimal test for this. As Johnsyweb points out, this is discussed in PEP 8 under "Programming Recommendations". As for why this is preferred...
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?

I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier. ...
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Regular expressions in an Objective-C Cocoa application

...'re interested in the position of the match or position of subexpressions, and you cannot get it with NSPredicate. As mentioned you can use regex POSIX functions. But they are considered slow, and the regex syntax is limited compared to other solutions (ICU/pcre). There are many OSS libraries, Cocoa...