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Combine Date and Time columns using python pandas

...y both have similar runtimes, but using combine is faster (59s for replace vs 50s for combine). share | improve this answer | follow | ...
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Why is === faster than == in PHP?

...on is performed by either operators. I compared the speed of: $a == $b vs $a === $b where $a and $b were random integers [1, 100] the two variables were generated and compared one million times the tests were run 10 times And here are the results: $a == $b $a === $b --------- --------- 0.76...
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IEnumerable and Recursion using yield return

...at in a thread about yielding Jon hasn't mentioned c.Controls.Count > 0 vs. .Any() :) – tymtam Aug 11 '13 at 14:38 ...
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Length of a JavaScript object

...it's always worth checking if it's already defined – vsync Jun 14 '11 at 11:30 19 ...
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Allowing Untrusted SSL Certificates with HttpClient

... I really have to recommend the WebRequestHandler option vs. the global ServicePointManager. – Thomas S. Trias Feb 3 '16 at 18:15 3 ...
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What does .class mean in Java?

...ee after compiling java code nor a confusion between the concepts of Class vs. Object in OOP theory. This '.class' method is used in Java for code Reflection. Generally you can gather meta data for your class such as the full qualified class name, list of constants, list of public fields, etc, etc....
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Is there anything like inotify on Windows?

...ChangesW. More info here: http://msdn.microsoft.com/en-us/library/aa365261(VS.85).aspx On OSX, the relevant api is the fsevents api. They're all subtly different from one another, and they all have questionable reliability in edge cases. In general, you can't depend on these apis for a complete vi...
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jQuery - What are differences between $(document).ready and $(window).load?

... point to orignal post : 4loc.wordpress.com/2009/04/28/documentready-vs-windowload – Pranay Rana Dec 6 '11 at 7:17 ...
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Angular JS break ForEach

...aster then angular.foreach ;-). Or test it here jsperf.com/angular-foreach-vs-native (all credits go to the original author, not me ;-)) – Sebastian Jul 29 '14 at 9:07 ...
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What's the foolproof way to tell which version(s) of .NET are installed on a production Windows Serv

... solution can be misleading. msdn.microsoft.com/en-us/library/5a4x27ek%28v=vs.110%29.aspx – Nick Patsaris Feb 7 '14 at 19:18 add a comment  |  ...