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ES6 class variable alternatives
...many of us are using the following pattern in frameworks to create classes and class variables, which is comfy:
15 Answers
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Is there an equivalent for the Zip function in Clojure Core or Contrib?
... zipWith family for the common use case of tupling).
In contrast, Clojure and other Lisps have good support for variable arity functions; map is one of them and can be used for "tupling" in a manner similar to Haskell's
zipWith (\x y -> (x, y))
The idiomatic way to build a "tuple" in Clojure ...
html onchange event not working
...I still need to press the submit button to make it work. I read about AJAX and I am thinking to learn about this. Do I still need AJAX to make it work or is simple JavaScript enough? Please help.
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How do I prevent node.js from crashing? try-catch doesn't work
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Note that uncaughtException is a very crude mechanism for exception handling and may be removed in the future
PM2
First of all, I would highly recommend installing PM2 for Node.js. PM2 is really great at handling crash and monitoring Node apps as well as load balancing. PM2 immediately star...
Why does this CSS margin-top style not work?
... form a single margin. Margins that combine this way are said to collapse, and the resulting combined margin is called a collapsed margin.
Adjoining vertical margins collapse [...]
Two margins are adjoining if and only if:
both belong to in-flow block-level boxes that participate...
How do I paste multi-line bash codes into terminal and run it all at once?
...ode into terminal, but whenever I do, each line gets run as a separate command as soon as it gets pasted.
10 Answers
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Python string prints as [u'String']
...duces Unicode. So you need to convert the list to a single unicode string, and then convert that to ASCII.
I don't know exaxtly how you got the one-element lists; the contents member would be a list of strings and tags, which is apparently not what you have. Assuming that you really always get a li...
Check existence of input argument in a Bash shell script
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I like to do it this way, in terse syntax and still POSIX acceptable. [ -z "$1" ] && echo "No argument supplied" I prefer one-liners, as they are easier for me; and it's also faster to check exit value, compared to using if
– J. M. Beck...
Error-Handling in Swift-Language
... thing I noticed is that there are no exceptions.
So how do they do error handling in Swift? Has anyone found anything related to error-handling?
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Why `null >= 0 && null
...utine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined .
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