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How can I define colors as variables in CSS?
... quite long. I know that the client could ask for changes to the color scheme, and was wondering: is it possible to assign colors to variables, so that I can just change a variable to have the new color applied to all elements that use it?
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Most efficient way to prepend a value to an array
...ure about more efficient in terms of big-O but certainly using the unshift method is more concise:
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]
[Edit]
This jsPerf benchmark shows that unshift is decently faster in at least a couple of browsers, regardless of possibly different...
Tool to generate JSON schema from JSON data [closed]
... wanting an offline, or at least API-accessible, tool to include in development workflows, allow updating of schemas with later example etc. See also the nice list of options by Steve Bennett.
– nealmcb
Oct 26 '17 at 19:26
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Jenkins Host key verification failed
...
+1 for "worksforme", had the exact same problem. Created id_rsa for the proper user, chmod-ed to jenkins, added the public key, still did not work. Trying git as sudo -u jenkins yielded the knonwn_hosts file, fixing the problem.
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List the queries running on SQL Server
... '1900-01-01'),
121), 12) as 'batch_duration'
, P.program_name
, P.hostname
, P.loginame
from master.dbo.sysprocesses P
where P.spid > 50
and P.status not in ('background', 'sleeping')
and P.cmd not in ('AWAITING COMMAND'
,'MIRROR HANDLER'
...
How to enable Bootstrap tooltip on disabled button?
...
Here is some working code: http://jsfiddle.net/mihaifm/W7XNU/200/
$('body').tooltip({
selector: '[rel="tooltip"]'
});
$(".btn").click(function(e) {
if (! $(this).hasClass("disabled"))
{
$(".disabled").removeClass(...
How can I detect if a file is binary (non-text) in python?
...
You can also use the mimetypes module:
import mimetypes
...
mime = mimetypes.guess_type(file)
It's fairly easy to compile a list of binary mime types. For example Apache distributes with a mime.types file that you could parse into a set of lists...
Simple conversion between java.util.Date and XMLGregorianCalendar
I'm looking for a simple method of converting between java.util.Date and javax.xml.datatype.XMLGregorianCalendar in both directions.
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How can I upgrade specific packages using pip and a requirements file?
I'm using pip with a requirements file, in a virtualenv, for my Django projects. I'm trying to upgrade some packages, notably Django itself, and I'm getting an error about source code conflicts:
...