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How to add new item to hash

... @maguri hash.merge!(item2: 2) performs slower compared to hash[:item2] = 2 when there is only one argument – Rahul Dess Oct 5 '18 at 22:00 add a c...
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Rails mapping array of hashes onto single hash

... You could compose Enumerable#reduce and Hash#merge to accomplish what you want. input = [{"testPARAM1"=>"testVAL1"}, {"testPARAM2"=>"testVAL2"}] input.reduce({}, :merge) is {"testPARAM2"=>"testVAL2", "testPARAM1"=>"testV...
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How can I pass a constant value for 1 binding in multi-binding?

... add a comment  |  104 ...
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Checking for the correct number of arguments

... passing in the correct number of arguments, and checking to make sure the command line argument actually exists and is a directory. ...
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Is it Linq or Lambda?

... that both of these flavors will end up producing the exact same code. The compiler offers you a service by allowing you to express your wishes in the manner that you prefer. And this is a lambda: x => x.Value == 1 When you choose to use method syntax, LINQ is almost always seen around lambda...
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How to fix error with xml2-config not found when installing PHP from sources?

When I try to install php 5.3 stable from source on Ubuntu (downloading compressed installation file from http://www.php.net/downloads.php ) and I run ./configure I get this error: ...
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What is two way binding?

... And with Firebase comes... 3-way databinding -> View, Model, Database. Just thought that was pretty neat. – Levi Fuller Jun 16 '16 at 2:52 ...
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About Python's built in sort() method

...tarting with function islt and proceeding for QUITE a while;-). As Chris's comment suggests, it's C code. You'll also want to read this text file for a textual explanation, results, etc etc. If you prefer reading Java code than C code, you could look at Joshua Bloch's implementation of timsort in ...
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Git interactive rebase no commits to pick

... Like a non-interactive rebase, you have to rebase onto a particular commit. With a non-interactive rebase, if you supply a direct ancestor of the current commit then you aren't changing anything; with an interactive rebase you can edit commits after the commit that you are rebasing onto, eve...