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How to have multiple CSS transitions on an element?

...is starts to get repetitive, so if you're going to be using the same times and timing functions across multiple properties it's best to go ahead and use the various transition-* properties instead of the shorthand: transition-property: color, text-shadow; transition-duration: .2s; transition-timing...
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Should functions return null or an empty object?

...g data from functions. Is it better to return a Null or an empty object? And why should one do one over the other? 31 Ans...
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Changing image size in Markdown

... With certain Markdown implementations (including Mou and Marked 2 (only macOS)) you can append =WIDTHxHEIGHT after the URL of the graphic file to resize the image. Do not forget the space before the =. ![](./pic/pic1_50.png =100x20) You can skip the HEIGHT ![](./pic/pic1s.p...
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Assert a function/method was not called using Mock

...as not called. Mock docs talk about methods like mock.assert_called_with and mock.assert_called_once_with , but I didn't find anything like mock.assert_not_called or something related to verify mock was NOT called . ...
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Read file from line 2 or skip header row

How can I skip the header row and start reading a file from line2? 8 Answers 8 ...
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JSON.stringify without quotes on properties?

...n to remove quotes by formally parsing the JSON string via native function and reserialize it: function stringify(obj_from_json) { if (typeof obj_from_json !== "object" || Array.isArray(obj_from_json)){ // not an object, stringify using native function return JSON.stringify(obj_...
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What is git actually doing when it says it is “resolving deltas”?

...of a repository, git first receives the objects (which is obvious enough), and then spends about the same amount of time "resolving deltas". What's actually happening during this phase of the clone? ...
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What is the advantage of using async with MVC5?

...hen a request hits the action, ASP.NET takes a thread from the thread pool and starts executing it. The IdentityManager.Authentication.CheckPasswordAndSignIn method is invoked. This is a blocking call -> during the entire call the worker thread is being jeopardized. And here's how the second ca...
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Is Big O(logn) log base e?

... Kinopkio and bcat, thanks for helping it become useful. It was not very well-written at first. :) – Heath Hunnicutt Oct 15 '09 at 1:04 ...
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What does the 'Z' mean in Unix timestamp '120314170138Z'?

... Yes. 'Z' stands for Zulu time, which is also GMT and UTC. From http://en.wikipedia.org/wiki/Coordinated_Universal_Time: The UTC time zone is sometimes denoted by the letter Z—a reference to the equivalent nautical time zone (GM...