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For every character in string

...loop (it's from C++11, already supported in recent releases of GCC, clang, and the VC11 beta): std::string str = ???; for(char& c : str) { do_things_with(c); } Looping through the characters of a std::string with iterators: std::string str = ???; for(std::string::iterator it = str.begin()...
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What exactly is LLVM?

...u provide the "front end" (parser and lexer) and the "back end" (code that converts LLVM's representation to actual machine code). LLVM can also act as a JIT compiler - it has support for x86/x86_64 and PPC/PPC64 assembly generation with fast code optimizations aimed for compilation speed. Unfortu...
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foreach with index [duplicate]

Is there a C# equivalent of Python's enumerate() and Ruby's each_with_index ? 10 Answers ...
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How to change the status bar color in Android?

...t of all it's not a duplicate as in How to change the background color of android status bar 19 Answers ...
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HTTP POST using JSON in Java

... You can make use of Gson library to convert your java classes to JSON objects. Create a pojo class for variables you want to send as per above Example {"name":"myname","age":"20"} becomes class pojo1 { String name; String age; //generate setter a...
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Is SQL or even TSQL Turing Complete?

...e programming languages, so that's kinda cheating). In this set of slides Andrew Gierth proves that with CTE and Windowing SQL is Turing Complete, by constructing a cyclic tag system, which has been proved to be Turing Complete. The CTE feature is the important part however -- it allows you to crea...
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C# 'is' operator performance

... answered Mar 26 '09 at 16:09 Andrew HareAndrew Hare 310k6363 gold badges611611 silver badges614614 bronze badges ...
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Use of def, val, and var in scala

... new Person("Kumar",12) . If I use var or val the output is 20 . I understand the default is val in scala. This: 6 Answers...
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LINQ Select Distinct with Anonymous Types

... Have a read through K. Scott Allen's excellent post here: And Equality for All ... Anonymous Types The short answer (and I quote): Turns out the C# compiler overrides Equals and GetHashCode for anonymous types. The implementation of the two overridden methods uses all the...
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Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST

...Sep 29 18:46:19 CST 2013 From Java Date Object to ISO 8601 String And to convert Dateobject to ISO 8601 Standard (yyyy-MM-dd'T'HH:mm:ss'Z') use following code SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US); sdf.setTimeZone(TimeZone.getTimeZone("GMT")); ...