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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...ango coupled with a unittest that intentionally triggers an exception.
I had a unittest that checked to make sure a unique column constraint was enforced by purposefully triggering an IntegrityError exception:
def test_constraint(self):
try:
# Duplicates should be prevented.
mo...
How to detect orientation change?
I am using Swift and I want to be able to load a UIViewController when I rotate to landscape, can anyone point me in the right direction?
...
How to write a:hover in inline CSS?
...e OP's comments:
See Totally Pwn CSS with Javascript for a good script on adding CSS rules dynamically. Also see Change style sheet for some of the theory on the subject.
Also, don't forget, you can add links to external stylesheets if that's an option. For example,
<script type="text/javascri...
Handling specific errors in JavaScript (think exceptions)
...
Epeli
15.9k1010 gold badges6060 silver badges7373 bronze badges
answered Sep 16 '09 at 15:09
Christian C. SalvadóChristian...
MongoDB/Mongoose querying at a specific date?
...
rdreyrdrey
8,06633 gold badges3232 silver badges4848 bronze badges
30...
How to allow keyboard focus of links in Firefox?
...erences → Keyboard, in the Shortcuts pane, check the “all controls” radio at the bottom.
In Firefox, type "about:config" in the URL bar. There is no accessibility.tabfocus preference on the mac, so you'll have to make one. Right click in the window, create a new "integer" pref, and set it to 7...
Populating a database in a Laravel migration file
... has to finish making the table before you can insert stuff. Try this instead:
public function up()
{
// Create the table
Schema::create('users', function($table){
$table->increments('id');
$table->string('email', 255);
$table->string('password', 64);
...
How do I sort strings alphabetically while accounting for value when a string is numeric?
...
Kyle Delaney
7,90833 gold badges2424 silver badges4545 bronze badges
answered Jun 18 '11 at 16:18
Jeff PaulsenJeff Paulsen
...
M_PI works with math.h but not with cmath in Visual Studio
I am using Visual Studio 2010. I have read that in C++ it is better to use <cmath> rather than <math.h> .
7...
How to find a deleted file in the project commit history?
...
John Clements
15.5k33 gold badges2727 silver badges4141 bronze badges
answered Aug 26 '11 at 10:46
AmberAmber
...