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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
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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...
Integrating Dropzone.js into existing HTML form with other fields
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@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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How to navigate through textfields (Next / Done Buttons)
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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...
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...
Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
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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...
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...
How to 'insert if not exists' in MySQL?
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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
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Why does only the first line of this Windows batch file execute but all three lines execute in a com
...microsoft.com/resources/documentation/windows/xp/all/proddocs/… for more info on call
– Owen
Oct 27 '10 at 19:32
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Asking the user for input until they give a valid response
...tainly I release the code blocks that I wrote into the public domain. Feel free to use them in any context, without my explicit permission or knowledge. Regarding the non-code-block segments, If you want to paste my entire answer into a "Learn Python" book you're writing, let's talk royalties ;-)
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