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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...
Don't reload application when orientation changes
... to change when the screen is rotated. My app displays a random image when it first loads and rotating the device should not select another random image.
How can I (simply) make this behavior stop?
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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 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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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 <...
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() {
...
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...
