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Why is null an object and what's the difference between null and undefined?

...nown what the value is. One thing to remember is that null is not, conceptually, the same as false or "" or such, even if they equate after type casting, i.e. name = false; You: What is name? JavaScript: Boolean false. name = ''; You: What is name? JavaScript: Empty string *: name in this context...
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combinations between two lists?

...aving trouble wrapping my head around a algorithm I’m try to make. Basically, I have two lists and want to get all the combinations of the two lists. ...
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Global variables in AngularJS

...lue. The problem with it is that the controller that initialises it, gets called again by angular some how and then resets the variable back to its initial value. ...
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bootstrap popover not showing on top of all elements

... This really helped. I made the following change in the popover initialization and it worked: $('#element').popover({ container: 'body', //other parameters }); – Pawan Pillai ...
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IntelliJ: Working on multiple projects

...oes not cover them. The two answers tackle different situations and are equally relevant, no one is better than the other. – luk2302 Jul 13 '17 at 7:48 2 ...
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MyISAM versus InnoDB [closed]

...able so you can conclude whether to go with InnoDB or MyISAM. Here is a small overview of which db storage engine you should use in which situation: MyISAM InnoDB ---------------------------------------------------------------- Required full-text...
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How do I rename all folders and files to lowercase on Linux?

..." "${DST}" || echo "${SRC} was not renamed" fi done P.S. The latter allows more flexibility with the move command (for example, "svn mv"). share | improve this answer | ...
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Warning: push.default is unset; its implicit value is changing in Git 2.0

...n the docs, but I'll try to summarize: matching means git push will push all your local branches to the ones with the same name on the remote. This makes it easy to accidentally push a branch you didn't intend to. simple means git push will push only the current branch to the one that git pull wo...
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Why can't C# interfaces contain fields?

For example, suppose I want an ICar interface and that all implementations will contain the field Year . Does this mean that every implementation has to separately declare Year ? Wouldn't it be nicer to simply define this in the interface? ...
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How to negate specific word in regex? [duplicate]

... This says it all (I probably would have started with (?!bar) and built up). I don't see why other people are making it so complicated. – Beta Aug 7 '09 at 14:49 ...