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String comparison in Python: is vs. == [duplicate]
...# do something
write:
if x:
# do something
For comparing against None, is None is preferred over == None.
I've always liked to use 'is' because
I find it more aesthetically pleasing
and pythonic (which is how I fell into
this trap...), but I wonder if it's
intended to just be re...
CSS/HTML: Create a glowing border around an Input Field
...#dadada;
border-radius: 7px;
}
.glowing-border:focus {
outline: none;
border-color: #9ecaed;
box-shadow: 0 0 10px #9ecaed;
}
Live demo: http://jsfiddle.net/simevidas/CXUpm/1/show/
(to view the code for the demo, remove "show/" from the URL)
label {
display:block;
...
ERROR: Error 1005: Can't create table (errno: 121)
...at came up was there were 3 constraints, 2 of which are the same... but eh ones that are the same came from a table i deleted earlier? So what do I do?
– user1703514
Oct 1 '12 at 13:26
...
val() doesn't trigger change() in jQuery [duplicate]
... you want to trigger change ONLY when the value actually changed, use this one:
//This will trigger "change" event when "val(new_val)" called
//with value different than the current one
(function($){
var originalVal = $.fn.val;
$.fn.val = function(){
var prev;
if(arguments....
Giving a border to an HTML table row,
Is it possible to border a table row, <tr> in one go instead of giving a border to individual cells, <td> like,
...
Cannot delete or update a parent row: a foreign key constraint fails
...
In my case: I just ran a large SQL file and one of the final statements failed, so I just wanna delete all tables, fix the syntax error, and rerun, making this exactly what I was looking for.
– ekerner
Nov 5 '14 at 17:18
...
Generic type conversion FROM string
...sure whether I understood your intentions correctly, but let's see if this one helps.
public class TypedProperty<T> : Property where T : IConvertible
{
public T TypedValue
{
get { return (T)Convert.ChangeType(base.Value, typeof(T)); }
set { base.Value = value.ToString(...
UIButton won't go to Aspect Fit in iPhone
...something else you have to set? I tried all the different view modes and none of them work, they all stretch.
21 Answers
...
How to get the previous URL in JavaScript?
...own site, then it's possibly less fragile and certainly more useful to use one of the normal session management techniques: cookie data, URL params, or server side session info.
share
|
improve this...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
...ns, but breaks in webkit based browsers and Opera when the parent is positioned relatively or absolutely.
13 Answers
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