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What's this =! operator? [duplicate]

...ls' operator. This usage was deprecated by the creation of Standard C, so now it means 'assign the logical inverse', as in a = !b. This is a good argument for always surrounding binary operators with spaces, just to make it clear to the humans reading the code what the compiler is thinking. I'm a...
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socket.io and session?

... session_store.get(connect_sid, function (error, session) { //HOORAY NOW YOU'VE GOT THE SESSION OBJECT!!!! }); } }); You can then use the session as needed. share | improve this answer...
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C# XML Documentation Website Link

... works in VS 16.4.2. Not sure what version it was added, only that you can now click links in the method info window. – JB06 Jan 9 at 17:35  |  ...
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How to remove leading zeros from alphanumeric text?

... (Google's general-purpose Java utility library which I would argue should now be on the classpath of any non-trivial Java project), this would use CharMatcher: CharMatcher.is('0').trimLeadingFrom(inputString); share ...
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Is Haxe worth learning? [closed]

...sing Haxe, what makes it useful for you? If you're a web developer, you know you can't stick with a single technology for too long. Sooner or later you'll have to deal with changes in the environment or targets (you develop for .NET but an important customer requires PHP, or maybe that widget shou...
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SHA-1 fingerprint of keystore certificate

... It now appears under "Gradle Console" tab from Android studio 2.2.3 – Irfan Raza Dec 18 '16 at 1:58 ...
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How to get the number of days of difference between two dates on mysql?

...-14 11:00:00'); returns 1 select timestampdiff(DAY, '2016-04-13 11:00:00', now()); returns how many full 24h days has passed since 2016-04-13 11:00:00 until now. Hope it will help someone, because at first it isn't much obvious why datediff returns values which seems to be unexpected or wrong. ...
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Sass or Compass without ruby?

... Sass was originally written for Ruby, but now they've created libSass which is a C/C++ port of the Sass engine, which makes it easier to integrate the engine into an IDE or another language. At this point, you can use the Sass engine in Ruby, Node.js, Python, PHP, Ja...
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iOS: UIButton resize according to text length

... In Xcode 4.5 and above, this can now be done by using 'Auto-layouting / Constraints'. Major advantages are that: You don't need to programmatically set frames at all! If done right, you don't need to bother about resetting frames for orientation changes....
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textarea's rows, and cols attribute in CSS

... thing about doing it the CSS way is that you can completely style it up. Now you can add things like: textarea{ width:400px; height:100px; border:1px solid #000000; background-color:#CCCCCC; } share | ...