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Ruby get object keys as array
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219
hash = {"apple" => "fruit", "carrot" => "vegetable"}
array = hash.keys #=> ["apple"...
Which regular expression operator means 'Don't' match this character?
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answered May 8 '11 at 5:21
diEchodiEcho
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How to get correct timestamp in C#
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ekadekad
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JSR-303 @Valid annotation not working for list of child objects
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answered Feb 16 '19 at 21:59
Tapan BankerTapan Banker
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How to calculate a mod b in Python?
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uolotuolot
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Overriding Binding in Guice
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edited May 17 '12 at 21:59
Ryan Nelson
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How to concatenate a std::string and an int?
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In alphabetical order:
std::string name = "John";
int age = 21;
std::string result;
// 1. with Boost
result = name + boost::lexical_cast<std::string>(age);
// 2. with C++11
result = name + std::to_string(age);
// 3. with FastFormat.Format
fastformat::fmt(result, "{0}{1}", nam...
Best way to store date/time in mongodb
...d with how it is stored, as long as the initial input is correct. If it is 21:56:03+01:00 right now in CET and you insert new Date(), then MongoDB might represent it as 20:56:03Z. But when you read it back and display it in your application using local timezone settings (CET), it will read 21:56:03 ...
How can I create a Set of Sets in Python?
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Python's complaining because the inner set objects are mutable and thus not hashable. The solut...
Returning from a finally block in Java
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Flow
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answered Sep 7 '08 at 20:17
John MeagherJ...