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Is it possible to ping a server from Javascript?
...quires that I check to see if remote servers are online or not. When I run it from the command line, my page load goes up to a full 60s (for 8 entries, it will scale linearly with more).
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Finding duplicate values in MySQL
I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates?
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What is your preferred php deployment strategy? [closed]
...heir preferred strategy for PHP deployment. I'd love to automate things a bit so that once changes are committed they can be quickly migrated to a development or production server.
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What's the difference between 'git merge' and 'git rebase'?
What's the difference between git merge and git rebase ?
7 Answers
7
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jQuery checkbox change and click event
... JSFiddle and does what you're asking for.This approach has the added benefit of firing when a label associated with a checkbox is clicked.
Updated Answer:
$(document).ready(function() {
//set initial state.
$('#textbox1').val(this.checked);
$('#checkbox1').change(function() {
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Is there a performance difference between i++ and ++i in C?
....
We can demonstrate this by looking at the code for this function,
both with ++i and i++.
$ cat i++.c
extern void g(int i);
void f()
{
int i;
for (i = 0; i < 100; i++)
g(i);
}
The files are the same, except for ++i and i++:
$ diff i++.c ++i.c
6c6
< for (i = 0; i <...
MySQL vs PostgreSQL for Web Applications [closed]
...Django) and would like to know whether MySQL or PostgreSQL would be more suitable when deploying for production.
10 Answer...
Eclipse “Invalid Project Description” when creating new project from existing source
...ect Description", project path "overlaps the location of another project" with the same name. The reason is that I created that project from the source code before, but then I deleted that project and deleted its whole directory, before adding the source code directory again. I tried everything like...
How do I disable form fields using CSS?
Is it possible to disable form fields using CSS? I of course know about the attribute disabled, but is it possible to specify this in a CSS rule? Something like -
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How do I show the changes which have been staged?
I staged a few changes to be committed; how can I see the diff of all files which are staged for the next commit? I'm aware of git status , but I'd like to see the actual diffs - not just the names of files which are staged.
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