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Is there a way to create your own html tag in HTML5?
...5? and the HTML5 spec).
Let's assume you want to use a custom tag element called <stack>. Here's what you should do...
STEP 1
Normalize its attributes in your CSS Stylesheet (think css reset) -
Example:
stack{display:block;margin:0;padding:0;border:0; ... }
STEP 2
To get it to work in...
What are the options for storing hierarchical data in a relational database? [closed]
...mns when inserting new items. well I created a stored procedure for it and called it every time I inserted a new item which was rare in my case but it is really fast.
I got the idea from the Joe Celko's book, and the stored procedure and how I came up with it is explained here in DBA SE
https://dba....
Capture HTML Canvas as gif/jpg/png/pdf?
...cation = canvas.toDataURL("image/png");
}
</script>
Theoretically this should create and then navigate to an image with a green square in the middle of it, but I haven't tested.
share
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How to create an exit message
Is there a one line function call that quits the program and displays a message? I know in Perl it's as simple as:
4 Answer...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...e:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername, @rProductID, @rPerm);
Option 2: add COLLATE to the WHERE clause:
CREATE PROCEDURE updateProductUsers(
IN rUsername VARCHAR(24),
IN rProductID INT UNSIGNED,
IN rPerm VARCHAR(1...
Task continuation on UI thread
...
Call the continuation with TaskScheduler.FromCurrentSynchronizationContext():
Task UITask= task.ContinueWith(() =>
{
this.TextBlock1.Text = "Complete";
}, TaskScheduler.FromCurrentSynchronizationContext(...
Getting value of HTML Checkbox from onclick/onchange events
...
Live example | Source
The longer answer:
The change event handler isn't called until the checked state has been updated (live example | source), but because (as Tim Büthe points out in the comments) IE doesn't fire the change event until the checkbox loses focus, you don't get the notification p...
Callback when CSS3 transition finishes
...s preferred as of jQuery 1.7. bind()
You can also use off() method on the callback function to ensure it will be fired only once. Here is an example which is equivalent to using one() method:
$("#someSelector")
.on("animationend webkitAnimationEnd oAnimationEnd MSAnimationEnd",
function(e){
/...
What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
5
...
JavaScript: Class.method vs. Class.prototype.method
...tion (the this keyword) will refer to the actual object instance where you call it.
Consider this example:
// constructor function
function MyClass () {
var privateVariable; // private member only available within the constructor fn
this.privilegedMethod = function () { // it can access priva...