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What is the meaning of “$” sign in JavaScript
...of $ in JavaScript. $ is simply a valid JavaScript identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001).
Prototype, jQuery, and most javascript libraries use the $ as the primary base object (or f...
How to HTML encode/escape a string? Is there a built-in?
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for those interested h is an alias for html_escape
– lightswitch05
May 15 '14 at 23:03
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show 1 more comment...
Is there a way to get version from package.json in nodejs code?
...Be careful not to expose your package.json to the client, as it means that all your dependency version numbers, build and test commands and more are sent to the client.
If you're building server and client in the same project, you expose your server-side version numbers too.
Such specific data c...
How to sort a collection by date in MongoDB?
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@SamBrightman That function is just a callback. Whatever you want to do with the query result, you put that logic inside your callback. You can read more on what callbacks are and how they work to learn event based programming.
– Sushant Gupt...
Escaping HTML strings with jQuery
... jsbin.com/fazimigayo/1/edit?html,js,console,output (and it should work on all earlier versions too)
– Henrik N
Nov 5 '16 at 20:46
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How do I load an org.w3c.dom.Document from XML in a string?
...L document in a string and would like a Document object. Google turns up all sorts of garbage. What is the simplest solution? (In Java 1.5)
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jquery UI dialog: how to initialize without a title bar?
...y previous id->class drilling method was not working. In fact when you call .dialog() method the div you transform become a child of another div (the real dialog div) and possibly a 'brother' of the titlebar div, so it's very difficult to try finding the latter starting from former.
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Can't install PIL after Mac OS X 10.9
I've just updated my Mac OS to 10.9 and I discovered that some (all?) of my Python modules are not here anymore, especially the Image one.
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Generate a random alphanumeric string in Cocoa
I want to call a method, pass it the length and have it generate a random alphanumeric string.
20 Answers
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qmake: could not find a Qt installation of ''
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sudo apt-get install qt5-default works for me.
$ aptitude show qt5-default
tells that
This package sets Qt 5 to be the default Qt version to be used when using
development binaries like qmake. It provides a default configuration for
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