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How do I set a variable to the output of a command in Bash?
... be done with $(command) or "$(command)", which I find easier to read, and allows for nesting.
OUTPUT=$(ls -1)
echo "${OUTPUT}"
MULTILINE=$(ls \
-1)
echo "${MULTILINE}"
Quoting (") does matter to preserve multi-line variable values; it is optional on the right-hand side of an assignment, as w...
Is it possible to specify a different ssh port when using rsync?
...and and not understand why it doesn't work in their account. Still, personally i prefer not having to type the port number all the time.
– Joao Costa
May 12 '14 at 9:39
1
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Get The Current Domain Name With Javascript (Not the path, etc.)
...
How about:
window.location.hostname
The location object actually has a number of attributes referring to different parts of the URL
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How to cherry pick only changes for only one file, not the whole commit
...ry-pick -n, i.e. without committing it, edit the commit (for example reset all files using git reset -- . and only add the file you actually want to change using git add <filename>). Or you could create the diff for the file and apply the diff then:
git diff <branch>^..<branch> --...
Disable individual Python unit tests temporarily
... so. You could just get this module and use it on your existing Python install. It will probably work.
Before this, I used to rename the tests I wanted skipped to xtest_testname from test_testname.
Here's a quick elisp script to do this. My elisp is a little rusty so I apologise in advance for ...
CSS3 transition events
...ent. An event is fired for each property that undergoes a transition. This allows a content developer to perform actions that synchronize with the completion of a transition.
Webkit
To determine when a transition completes, set a JavaScript event listener function for the DOM event that is s...
Datatables - Search Box outside datatable
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You can use the DataTables api to filter the table. So all you need is your own input field with a keyup event that triggers the filter function to DataTables. With css or jquery you can hide/remove the existing search input field. Or maybe DataTables has a setting to remove/not-...
package R does not exist
...kage.R;
Of course, replacing your.app.package with your app package.
In all the classes which use R resource references, remove any other import with .R, i.e. import android.R;
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jQuery selector regular expressions
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James Padolsey created a wonderful filter that allows regex to be used for selection.
Say you have the following div:
<div class="asdf">
Padolsey's :regex filter can select it like so:
$("div:regex(class, .*sd.*)")
Also, check the official documentation on se...
Sum a list of numbers in Python
...does integer division: it discards the remainder. To divide things through all the way, we need to use floating-point numbers. Fortunately, dividing an int by a float will produce a float, so we just use 2.0 for our divisor instead of 2.
Thus:
averages = [(x + y) / 2.0 for (x, y) in zip(my_list[:-...