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Check for null in foreach loop

...calls, unnecessary GetEnumerator(), MoveNext(), Dispose() on the iterator, etc). An if test is simple, obvious, and efficient. share | improve this answer | follow ...
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Clear Text Selection with JavaScript

... this IE does not deselect text in some conditions. And I have changed the ordering of the method detection. – Miklos Krivan May 21 '17 at 8:51 ...
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How do you get a list of the names of all files present in a directory in Node.js?

... @user3705055 unless you're using gulp to read in a directory of source order dependant files and compile them into a single executable. – r3wt Apr 7 '16 at 20:59 3 ...
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?

...ent: ""; } .parent:before { top: 0; bottom: 0; left: 50%; border-left: dashed 1px #ccc; } .parent:after { left: 0; right: 0; top: 50%; border-top: dashed 1px #ccc; } .child { width: 200px; height: 200px; background: rgba(200, 198, 133, .5); } ul { ...
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How to update a plot in matplotlib?

...ide your for loop, just before you call graph1.plot(...), graph2.plot(...) etc... – Joe Kington Nov 4 '10 at 18:49 ...
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What's the best way to detect a 'touch screen' device using JavaScript?

...y-mobile.js to detect the touch screen events and it works on iOS, Android etc., but I'd also like to write conditional statements based on whether the user's device has a touch screen. ...
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How can I set up an editor to work with Git on Windows?

...oesn't let you open other files, and that you must close when done with in order for git to know you're done editing. Works the same for commit messages. – ErikE Oct 21 '15 at 22:59 ...
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Change private static final field using Java reflection

... uses? Has examples of messing with Integer's cache, mutating a String, etc Caveats Extreme care should be taken whenever you do something like this. It may not work because a SecurityManager may be present, but even if it doesn't, depending on usage pattern, it may or may not work. JLS 17.5.3...
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How to remove a package in sublime text 2

... Simple steps for remove any package from Sublime as phpfmt, Xdebug etc.. 1- Go to Sublime menu-> Preference or press Ctrl+Shift+P . 2- Choose -> Remove package option, after you choosing it will display all packge installed in your sublime, select one of them. 3. After selection it ...
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How do I get current URL in Selenium Webdriver 2 Python?

...ction from selenium, and then printing it out or storing it as a variable, etc. share | improve this answer | follow | ...