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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
...nd they, of course, are not equal, as two different objects were created.
What you probably want to use is conversion:
var x = String('foo');
var y = String('foo');
x === y;
... and that will give you, as expected, true as result, so you can rejoice and prosper with your equal foos forever. )
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How do I output coloured text to a Linux terminal?
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What does m do/stand for?
– nipponese
May 3 '14 at 20:51
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Is using a lot of static methods a bad thing?
...nction" and "impure function" are names given in functional programming to what you call "safe" and "unsafe" statics.
– Omnimike
Sep 22 '15 at 10:38
add a comment
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Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
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What does it mean to start a PHP function with an ampersand?
... @WildlyInaccurate: Assigning objects by reference by default, which is what happens in .NET and in Java (I think), is highly unintuitive. In most other languages, assignment is done by copy, whether you have an "object" or a primitive or whatever, and since this has been the case since the dawn ...
What does a \ (backslash) do in PHP (5.3+)?
What does a \ do in PHP?
4 Answers
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Instance v state variables in react.js
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In addition to what @ssorallen said, you should also remember to handle the component unmounting before your handleLeave is called.
React.createClass({
handleEnter: function () {
// Open a new one after a delay
this....
Broadcast receiver for checking internet connection in android app
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What the hell is this for? ServiceManager extends ContextWrapper? Why do you need to extend ContextWrapper? WHY!?
– Neon Warge
Feb 14 '17 at 3:01
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In Python script, how do I set PYTHONPATH?
... can just append your directories to that list.
sys.path.append('/path/to/whatever')
In fact, sys.path is initialized by splitting the value of PYTHONPATH on the path separator character (: on Linux-like systems, ; on Windows).
You can also add directories using site.addsitedir, and that method ...
Should I git ignore xcodeproject/project.pbxproj file?
... that it's the "only file" that you want to store. c.f. the question about what to include in .gitignore - stackoverflow.com/questions/49478/…
– Adam
Aug 29 '12 at 23:06
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