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What are 'closures' in .NET?

...thod and the variable j [CompilerGenerated] private sealed class <>c__DisplayClass2 { public <>c__DisplayClass2(); public void <fillFunc>b__0() { Console.Write("{0} ", this.j); } public int j; } for the function: static void fillFunc(int count) { ...
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Swap key with value JSON

...nfirm, is it? Performance good? Semantic is perfect: we can see that is really a simple "map and swap" solution. – Peter Krauss Jan 3 '19 at 17:41 1 ...
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Why can't Python parse this JSON data?

... You have [] when you should have {}: [] are for JSON arrays, which are called list in Python {} are for JSON objects, which are called dict in Python Here's how your JSON file should look: { "maps": [ { "id": "blabla", "iscategorical": "0" }, ...
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How to create a self-signed certificate with OpenSSL

... For anyone else using this in automation, here's all of the common parameters for the subject: -subj "/C=US/ST=Oregon/L=Portland/O=Company Name/OU=Org/CN=www.example.com" – Alex S Jun 5 '15 at 18:13 ...
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How can building a heap be O(n) time complexity?

...itten this to describe how a max heap works. This is the type of heap typically used for heap sort or for a priority queue where higher values indicate higher priority. A min heap is also useful; for example, when retrieving items with integer keys in ascending order or strings in alphabetical order...
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?

... Install Microsoft SQL Management Studio, which you can download for free from Microsoft's website: Version 2008 Microsoft SQL Management Studio 2008 is part of SQL Server 2008 Express with Advanced Services Version 2012...
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Is there a way to 'uniq' by column?

...o you need the ,1 in -k1,1? why not just -k1? – hello_there_andy Nov 24 '14 at 20:10 19 @hello_th...
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How to convert a SVG to a PNG with ImageMagick?

... to convert it into a PNG, then I get a 16x16 pixel PNG which is way too small: 18 Answers ...
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Is it true that one should not use NSLog() on production code?

... line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE #define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] ) #else ...
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Check if a number is int or float

...>> if isinstance(x, int): print 'x is a int!' x is a int! _EDIT:_ As pointed out, in case of long integers, the above won't work. So you need to do: >>> x = 12L >>> import numbers >>> isinstance(x, numbers.Integral) True >>> isinstance(x, int) F...