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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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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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How to force use of overflow menu on devices with menu button

I'd like to have all of the menu items that don't fit into the ActionBar go into the overflow menu (the one that is reached from the Action Bar not the menu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list th...
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Find all files in a directory with extension .txt in Python

How can I find all the files in a directory having the extension .txt in python? 26 Answers ...
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How do I convert a String object into a Hash object?

... The string created by calling Hash#inspect can be turned back into a hash by calling eval on it. However, this requires the same to be true of all of the objects in the hash. If I start with the hash {:a => Object.new}, then its string represen...
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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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Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an

... of events up in another page, the API itself is tremendously helpful, and all of what I'm discussing below is linked directly from this page. First, .click(function) is literally a shortcut for .bind('click', function), they are equivalent. Use them when binding a handler directly to an element, ...
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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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How to load db:seed data into test database automatically?

...ore every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file. share | improve this answer | follow | ...
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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...