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Where to place JavaScript in an HTML file?
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For example, if you're going to be doing a bunch of jQuery stuff, you would need the library loaded before you actually try to make use of it.
– BryanH
Jul 8 '09 at 22:09
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a file exists. But with [, you have to quote $b, because it splits the argum...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
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@Nick: Yes, if you publish code to be compiled dynamically, then the project settings doesn't apply. See stackoverflow.com/questions/16567197/…
– Guffa
Sep 17 '13 at 14:41
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Problems with entering Git commit message with Vim
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If it is VIM for Windows, you can do the following:
enter your message following the presented guidelines
press Esc to make sure you are out of the insert mode
then type :wqEnter or ZZ.
Note that in VIM there are often se...
How can I pad an integer with zeros on the left?
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If you have to do this for a large list of values, performance of DecimalFormat is at least 3 times better than String.format(). I'm in the process of doing some performance tuning myself and running the two in Visual VM sho...
On localhost, how do I pick a free port number?
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Do not bind to a specific port, or bind to port 0, e.g. sock.bind(('', 0)). The OS will then pick an available port for you. You can get the port that was chosen using sock.getsockname()[1], and pass it on to the slaves so that they can connect...
How to get back to most recent version in Git?
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When you checkout to a specific commit, git creates a detached branch. So, if you call:
$ git branch
You will see something like:
* (detached from 3i4j25)
master
other_branch
To come back to the master branch head you just need to checkout ...
How to 'grep' a continuous stream?
...(on Ubuntu 14.04, GNU grep version 2.16). Where is the "use line buffering if stdout is a tty" logic implemented? In git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c, line_buffered is set only by the argument parser.
– Aasmund Eldhuset
Jan 9 '17 at 22:21
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Constructor overloading in Java - best practice
...2) {
// Guard statements, initialize resources or throw exceptions if
// the resources are wrong
if (r1 == null) {
r1 = new Resource();
}
if (r2 == null) {
r2 = new Resource();
}
// do whatever with resources
}
}
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Convert integer into byte array (Java)
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this would work well if the bytebuffer is already there... otherwise it seems like it would take longer to do the allocation, than to just allocate a byte array of length 4 and do the shifting manually... but we're probably talking about small di...