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typeof !== “undefined” vs. != null

...n the two. In many cases, == can be better, because it tests for both null and undefined. – seanmonstar Jun 19 '12 at 16:58 10 ...
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What do ellipsis […] mean in a list?

...inside itself, which can not be printed. p contains p which contains p ... and so on. The [...] notation is a way to let you know this, and to inform that it can't be represented! Take a look at @6502's answer to see a nice picture showing what's happening. Now, regarding the three new items after ...
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How can I call controller/view helper methods from the console in Ruby on Rails?

...one app.get (a thread error ensues). Is there a way I can flush the system and execute more gets? – JellicleCat May 22 '12 at 17:53 2 ...
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How to cancel an $http request in AngularJS?

... what should I do in case I need both a timeout and manual cancelling via promise? – Raman Chodźka Jul 26 '13 at 9:56 15 ...
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How to create a zip file in Java

...cording to the user's query. I have to write this content into a text file and zip it in a folder in a servlet. How should I do this? ...
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When NOT to call super() method when overriding?

When I make my own Android custom class, I extend its native class. Then when I want to override the base method, I always call super() method, just like I always do in onCreate , onStop , etc. ...
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Python unit test with base and sub class

... This method only works for setUp and tearDown methods if you reverse the order of the base classes. Because the methods are defined in unittest.TestCase, and they don't call super(), then any setUp and tearDown methods in CommonTests need to be first in the ...
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Modify Address Bar URL in AJAX App to Match Current State

... reloads. Basically, I'd like for them to be able to bookmark at any point and thereby return to the current state. 8 Answ...
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Why does .NET use banker's rounding as default?

...s performed, you will average out that all .5's end up rounding equally up and down. This gives better estimations of actual results if you are for instance, adding a bunch of rounded numbers. I would say that even though it isn't what some may expect, it's probably the more correct thing to do. ...
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How to remove local (untracked) files from the current Git working tree

...move ignored files, run git clean -f -X or git clean -fX To remove ignored and non-ignored files, run git clean -f -x or git clean -fx Note the case difference on the X for the two latter commands. If clean.requireForce is set to "true" (the default) in your configuration, one needs to specify -f...