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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop

...ve internal optimizations for slice and concat. This remains true in Jul 2016. Below are simple scripts that you can copy-paste into your browser's console and run several times to see the picture. They output milliseconds, lower is better. while loop n = 1000*1000; start = + new Date(); a = Array...
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Profiling Django

... less. – panchicore Mar 2 '10 at 14:20 11 @dominic-rodger I didn't realize how much slower the De...
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Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]

...and IT themselves, but bold enough to learn new tricks. I would have about 20-30 minutes, without projector or anything. They have an old computer though, which by its look may be a 486, and I am not even sure if it's functioning (Update: it isn't). ...
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Identify if a string is a number

... 1203 int n; bool isNumeric = int.TryParse("123", out n); Update As of C# 7: var isNumeric = int....
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What does the [Flags] Enum Attribute mean in C#?

...or.Green – Josh Noe Feb 9 '18 at 22:20  |  show 11 more comm...
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jQuery Ajax error handling, show custom exception messages

... 20 Answers 20 Active ...
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How using try catch for exception handling is best practice

... answered Feb 20 '13 at 7:07 LarryLarry 16.2k88 gold badges6868 silver badges9797 bronze badges ...
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How do I show the schema of a table in a MySQL database?

... answered Sep 30 '09 at 15:20 Omry YadanOmry Yadan 24k1616 gold badges5252 silver badges7575 bronze badges ...
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Display lines number in Stack Trace for .NET assembly in Release mode

... | edited Jun 20 at 9:12 Community♦ 111 silver badge answered Mar 10 '09 at 1:01 ...
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Python - write() versus writelines() and concatenated strings

...9:33 Jab 20.1k1919 gold badges6464 silver badges108108 bronze badges answered Sep 11 '12 at 20:36 DGHDGH ...