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Check whether user has a Chrome extension installed

... from stackoverflow.com/a/9216924/1504300, IMHO adds some pretty important informations such as exposing the resource in the extension and the fact that you can use an ajax request for checking for existence (Image object seems available only on HTML5 if I'm not wrong goo.gl/HBeI1i). With the info i...
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Ternary Operator Similar To ?:

...la return a value, you can use this val a = if (1 < 0) 1 else 2 More info: https://alvinalexander.com/scala/scala-if-then-ternary-operator-cookbook-examples share | improve this answer ...
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PHP Error handling: die() Vs trigger_error() Vs throw Exception

...first one should never be used in production code, since it's transporting information irrelevant to end-users (a user can't do anything about "Cannot connect to database"). You throw Exceptions if you know that at a certain critical code point, your application can fail and you want your code to r...
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Integrating Dropzone.js into existing HTML form with other fields

... @TIIUNDER - its prepared for sending form info via ajax call without page reload - thats why there is e.preventDefault(); – born2fr4g Jun 22 '16 at 11:14 ...
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?

... the inclusive variety. I think this holds as a proof, but feel more than free to disabuse me of this notion. Similarly, your definitions for tautology and absurdity as the identity function and non-terminating functions, respectively, are a bit off. The true formula is represented by the unit typ...
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How to navigate through textfields (Next / Done Buttons)

... Just to be pedantic, I want to clear up some misinformation in this post. On OS X, tab order is set up via NSView's setNextKeyView: (not setNextResponder:) method. The responder chain is separate from this: it's a hierarchy of responder objects that handle "untargeted" act...
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Checking Bash exit status of several commands efficiently

...ch file or directory\nerror with ls\n you become distracted by superfluous information. In this case, It is easy enough to argue that the superfluity is trivial, but it quickly grows. Concise error messages are important. But more importantly, this type of wrapper encourages too writers to comple...
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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir

... Here's more info on the type parameter: "You can specify the picture size you want with the type argument, which should be one of square (50x50), small (50 pixels wide, variable height), normal (100 pixels wide, variable height), and lar...
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Why is Swift compile time so slow?

...tion, but it doesn't stop compiling all Swift files in one step. For more info on whole module optimization, check out Apple's blog post here - https://swift.org/blog/whole-module-optimizations/ We've found these settings allow our Swift code to compile in 30 seconds :-) I've no evidence of how i...
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How to 'insert if not exists' in MySQL?

... Just to inform everyone. Using INSERT … ON DUPLICATE KEY UPDATE method does increment any AUTO_INCREMENT column with failed insert. Probably because it's not really failed, but UPDATE'd. – not2qubit ...