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How to merge specific files from Git branches

I have 2 git branches branch1 and branch2 and I want to merge file.py in branch2 into file.py in branch1 and only that file. ...
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How to get the first non-null value in Java?

...(i != null) return i; return null; } For efficient reasons, you can handle the common cases as follows: public static <T> T coalesce(T a, T b) { return a == null ? b : a; } public static <T> T coalesce(T a, T b, T c) { return a != null ? a : (b != null ? b : c); } public s...
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How do I check for C++11 support?

...amed __cplusplus that C++ compilers should set to the version of the C++ standard supported see this #if __cplusplus <= 199711L #error This library needs at least a C++11 compliant compiler #endif It is set to 199711L in Visual Studio 2010 SP1, but I do not know if vendors will be so bold to...
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Make Https call using HttpClient

... @DerekS Am glad and you're welcome. If for some reason, you cannot modify the code in the production setting but able to do some admin on the server, I use this utility to configure TLS 1.2 as default. nartac.com/Products/IISCrypto ...
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How can I check for NaN values?

... math.isnan(x) Return True if x is a NaN (not a number), and False otherwise. >>> import math >>> x = float('nan') >>> math.isnan(x) True share | impr...
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In Ruby, is there an Array method that combines 'select' and 'map'?

... I usually use map and compact together along with my selection criteria as a postfix if. compact gets rid of the nils. jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1} => [3, 3, 3, nil, nil, nil] jruby-1.5.0 > [1,1,1,2,3,4].m...
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Is a LINQ statement faster than a 'foreach' loop?

I am writing a Mesh Rendering manager and thought it would be a good idea to group all of the meshes which use the same shader and then render these while I'm in that shader pass. ...
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“wait_fences: failed to receive reply: 10004003”?

I get this cryptic error the first time (and only the first time) my view is loaded due to the following line of code: 18 A...
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MySQL INNER JOIN select only one row from second table

I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...
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How do I use method overloading in Python?

... It's method overloading not method overriding. And in Python, you do it all in one function: class A: def stackoverflow(self, i='some_default_value'): print 'only method' ob=A() ob.stackoverflow(2) ob.stackoverflow() You can't have two methods with th...