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Programmatically open Maps app in iOS 6
...
Here's the official Apple way:
// Check for iOS 6
Class mapItemClass = [MKMapItem class];
if (mapItemClass && [mapItemClass respondsToSelector:@selector(openMapsWithItems:launchOptions:)])
{
// Create an MKMapItem to pass to the Maps app
CLLocationCoordinate2D coordi...
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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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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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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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...
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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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...