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How to do ToString for a possibly null object?

...optimization, but it takes about 5x longer than just "" + myObj. But I've read that creates extra strings. str.Concat(myObj) seems to work just fine and is "even faster". – drzaus Dec 1 '17 at 17:48 ...
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Python speed testing - Time Difference - milliseconds

...ompare 2 times in Python in order to speed test a section of code? I tried reading the API docs. I'm not sure I understand the timedelta thing. ...
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jquery stop child triggering parent event

... Do this: $(document).ready(function(){ $(".header").click(function(){ $(this).children(".children").toggle(); }); $(".header a").click(function(e) { e.stopPropagation(); }); }); If you want to read more on .stopPro...
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Error:(1, 0) Plugin with id 'com.android.application' not found

...encies { classpath 'com.android.tools.build:gradle:3.6.2' } } Read more here: https://developer.android.com/studio/build/index.html and about version compatibility here: https://developer.android.com/studio/releases/gradle-plugin.html#updating-gradle and https://dl.google.com/dl/android...
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LINQ query on a DataTable

... I already had a reference to the dll mentioned, but was missing using System.Data; – Luke Duddridge May 31 '11 at 10:37 ...
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Footnotes for tables in LaTeX

...ment, which can be used to do this. Minipage it (code stolen outright, and read the disclaimer about long caption texts in that case): \begin{figure} \begin{minipage}{\textwidth} ... \caption[Caption for LOF]% {Real caption\footnote{blah}} \end{minipage...
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Git Bash doesn't see my PATH

...f you wanted "/usr/bin/mypath" to be in the PATH variable, this line would read: PATH=$PATH:/usr/bin/mypath – Daniel May 27 '14 at 20:25 ...
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Why is there no Tree class in .NET?

...e locality so you get better processor cache performance and is quicker to read write to disk. – AnthonyLambert Mar 21 '10 at 11:31 ...
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Android Replace “…” with ellipsis character

... Having "..." causes accessibility issues. Android Talkback reads "Loading..." as "Loading 3 period" – Mohammad Shabaz Moosa Nov 9 '15 at 13:04 14 ...
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PHP Fatal error: Using $this when not in object context

...r(); $foobar->foobarfunc(); For more informations, don't hesitate to read, in the PHP manual : The Classes and Objects section And the Static Keyword page. Also note that you probably don't need this line in your __construct method : global $foo; Using the global keyword will make the ...