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How do I get the first n characters of a string without checking the size or going out of bounds?
...ngth(), n));
Opinion: while this solution is "neat", I think it is actually less readable than a solution that uses if / else in the obvious way. If the reader hasn't seen this trick, he/she has to think harder to understand the code. IMO, the code's meaning is more obvious in the if / else ve...
A Space between Inline-Block List Items [duplicate]
...e font setting. In this case 4px is rendered.
To avoid this you could run all your
lis together in one line, or block
the end tags and begin tags together
like this:
<ul>
<li>
<div>first</div>
</li><li>
<div>firs...
AutoLayout with hidden UIViews?
...
Would be nice to give a small example of how stack view handles this.
– lostintranslation
Sep 9 '16 at 19:47
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CSS: Setting width/height as Percentage minus pixels
...n use calc:
height: calc(100% - 18px);
It's worth it to note that not all browsers currently support the standard CSS3 calc() function, so implementing the browser specific versions of the function may be required like the following:
/* Firefox */
height: -moz-calc(100% - 18px);
/* WebKit */
h...
How to force push a reset to remote repository?
...
The message means that you're not allowed to do non-fast-forward push.
Your remote repository has most likely denyNonFastforwards = true in its config. If you change that, git push --force should work.
To change the setting, you need access to the machine w...
psql: could not connect to server: No such file or directory (Mac OS X)
...
WARNING: If you delete postmaster.pid without making sure there are really no postgres processes running you, could permanently corrupt your database. (PostgreSQL should delete it automatically if the postmaster has exited.).
SOLUTION: This fixed the issue--I deleted this file, and then everyt...
Getting the parent of a directory in Bash
...
the quotes inside are important or you're gonna loose all your data
– catamphetamine
Nov 7 '14 at 16:04
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How to configure port for a Spring Boot application
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Actually command line option is --server.port=8090 not -Dserver.port=8090. docs.spring.io/spring-boot/docs/current/reference/html/…
– Opster ES Ninja - Alper
Aug 19 '15 at 6:39
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What's the difference between .bashrc, .bash_profile, and .environment?
...or login at the text console of a local unix machine). these are the ones called, say, .login or .profile or .zlogin (depending on which shell you're using).
Then you have config files that are read by "interactive" shells (as in, ones connected to a terminal (or pseudo-terminal in the case of, say...
GIT commit as different user without email / or only email
...name
The separation of the characters probably indicates that spaces are allowed, it could also be resembling initials.
The username has to be followed by 1 space, extra spaces will be truncated
<author@example.com> = optional email address
Must always be between < > signs.
The ema...