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Difference between return and exit in Bash functions
...per your edit of the question, regarding exit codes, return has nothing to do with exit codes. Exit codes are intended for applications/scripts, not functions. So in this regard, the only keyword that sets the exit code of the script (the one that can be caught by the calling program using the $? sh...
What does “coalgebra” mean in the context of programming?
...t a common pattern in mathematics that's been "factored out", just like we do with code. People noticed that a whole bunch of interesting things—the aforementioned monoids, groups, lattices and so on—all follow a similar pattern, so they abstracted it out. The advantage of doing this is the same...
Set padding for UITextField with UITextBorderStyleNone
...wModeAlways;
Worked like a charm for me!
In Swift 3/ Swift 4, it can be done by doing that
let paddingView: UIView = UIView(frame: CGRect(x: 0, y: 0, width: 5, height: 20))
textField.leftView = paddingView
textField.leftViewMode = .always
...
Delete text in between HTML tags in vim?
...in (vim.org/scripts/script.php?script_id=1697) is awesome when you want to do things like change the surrounding tag (cst) from a <p> to a <div>, for example.
– Kris Jenkins
Nov 21 '10 at 12:45
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Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...sts.
As other solutions on this page have mentioned, a pretty smart way to do this is to use a Data URI rather than an HTTP URL.
SVGs (especially small SVGs) lend themselves perfectly to Data URIs, because the latter is simply plaintext (with any potentially ambiguous characters percentage-encoded) ...
Build project into a JAR automatically in Eclipse
...omatically. I know I have an option to export the project into a JAR; if I do a right click; but what I am really looking for is, that like Eclipse automatically builds a project's .class files and put them in target folder; it should also build a JAR automatically and copy the latest JAR at some ...
Convert date to datetime in Python
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Good solution, but I don't think datetime.min.time() is the cleanest way of getting a 00:00:00 time. That is because what it does is first retrieving the minimum value representable by datetime and then getting its time component. Incidentally, d...
Table Naming Dilemma: Singular vs. Plural Names [closed]
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This accepted answer is more of a side-comment and doesn't answer the question.
– Viliami
Jan 1 '17 at 12:19
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What is NODE_ENV and how to use it in Express?
...application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debugging o...
How can I view all historical changes to a file in SVN
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There's no built-in command for it, so I usually just do something like this:
#!/bin/bash
# history_of_file
#
# Outputs the full history of a given file as a sequence of
# logentry/diff pairs. The first revision of the file is emitted as
# full text since there's not previous...