大约有 40,000 项符合查询结果(耗时:0.0605秒) [XML]

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How to get hex color value rather than RGB value?

...er inefficiencies. If you're going to declare hexDigits on every function call, at least do it in rgb2hex's function body (not hex's body), so the array is not redefined 3 times per 1 call to rgb2hex. Also learn to use 'var', so you don't pollute the global scope. – Matt ...
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Why can Java Collections not directly store Primitives types?

...JVM being what it is, doesn't support a "non-object" object. Java generics allow you to pretend there is no wrapper, but you still pay the performance price of boxing. This is IMPORTANT for certain classes of programs. Boxing is a technical compromise, and I feel it is implementation detail leaking...
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Jasmine JavaScript Testing - toBe vs toEqual

...y word for it; see the source code for toBe. But b and c represent functionally equivalent objects; they both look like { foo: { bar: 'baz' } } Wouldn't it be great if we could say that b and c are "equal" even if they don't represent the same object? Enter toEqual, which checks "deep equality" (i....
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Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det

...gin to view their wine cellar. My ModelViewSets were working just fine and all of a sudden I get this frustrating error: 17...
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What is the difference between Digest and Basic Authentication?

...n-encrypted base64 encoding. Therefore, Basic Authentication should generally only be used where transport layer security is provided such as https. See RFC-2617 for all the gory details. share | ...
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What is the proper way to use the node.js postgresql module?

...ottleknecked based on how fast postgres can respond to queries. It literally will line everything up, queuing each query. Yeah, it's async and so that's alright...but wouldn't you rather multiply your throughput by 10x? Use pg.connect set the pg.defaults.poolSize to something sane (we do...
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How to clear the canvas for redrawing

... A totally minor suggesting but I'd suggest context.clearRect(0, 0, context.canvas.width, context.canvas.height). It's effectively the same thing but one less dependency (1 variable instead of 2) – gman ...
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How to create permanent PowerShell Aliases

...ing on which user have to execute it. We can consider only 2 of them: the "all users" and the "only your user" paths. So to answer your question you only have to create a profile.ps1 file containing the code you want to be executed, that is New-Alias Goto Set-Location and save it in the proper p...
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Media query to detect if device is touchscreen

...devices, you can simple use: if(window.TouchEvent) { //..... } Especially for Ipad: if(window.Touch) { //.... } But, these do not work on Android. Modernizr gives feature detection abilities, and detecting features is a good way to code, rather than coding on basis of browsers. ...
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In git how is fetch different than pull and how is merge different than rebase?

...aving your local* branch unchanged. pull will perform a fetch and additionally merge the changes into your local branch. What's the difference? pull updates you local branch with changes from the pulled branch. A fetch does not advance your local branch. merge vs rebase Given the following histo...