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What does “javascript:void(0)” mean?
... is a non-JavaScript way of doing the same thing (for example, ‘thispage.php?show=foo’ that sets foo visible to begin with), you can link to that.
Otherwise, if a link points only to some script, it is not really a link and should not be marked up as such. The usual approach would be to add the...
How do I delete/remove a shell function?
...
unset -f z
Will unset the function named z. A couple people have answered with:
unset z
but if you have a function and a variable named z only the variable will be unset, not the function.
...
Where is git.exe located?
...located in /cmd folder instead of /bin for me. I'm using Window 7 Pro SP1 & GitHub Desktop version 3.0.11.0
– Optimus Frog
Dec 31 '15 at 3:12
9
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How to print a date in a regular format?
...do with that?
Well, when you manipulate dates, keep using the date objects all long the way. They got thousand of useful methods and most of the Python API expect dates to be objects.
When you want to display them, just use str(). In Python, the good practice is to explicitly cast everything. So jus...
How do I return NotFound() IHttpActionResult with an error message or exception?
...uld also eliminate the "this." part (which is unfortunately required when calling an extension method):
public class CustomApiController : ApiController
{
protected NotFoundTextPlainActionResult NotFound(string message)
{
return new NotFoundTextPlainActionResult(message, Request);
...
Submit jQuery UI dialog on
...
I have summed up the answers above & added important stuff
$(document).delegate('.ui-dialog', 'keyup', function(e) {
var target = e.target;
var tagName = target.tagName.toLowerCase();
tagName = (tagName === 'input' && targe...
Detect Retina Display
...ainScreen] respondsToSelector:@selector(displayLinkWithTarget:selector:)] &&
([UIScreen mainScreen].scale == 2.0)) {
// Retina display
} else {
// non-Retina display
}
share
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impro...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...
Restarting nginx and php-fpm also released enough memory to allow mysql to start! Thanks!
– msEmmaMays
May 6 '13 at 17:15
...
Configuring diff tool with .gitconfig
...mdiff, gvimdiff, ecmerge, diffuse, opendiff, p4merge and araxis), and also allows you to specify your own. To use one of the pre-configured difftools (for example, "vimdiff"), you add the following lines to your ~/.gitconfig:
[diff]
tool = vimdiff
Now, you will be able to run "git difftool" a...
Confused about stdin, stdout and stderr?
...ocess starts (some of the manipulations possible are rather clever).
An example being:
my_prog <inputfile 2>errorfile | grep XYZ
which will:
create a process for my_prog.
open inputfile as your standard input (file handle 0).
open errorfile as your standard error (file handle 2).
create ...