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MySQL Delete all rows from table and reset ID to zero
... add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
5 Answer...
Why is January month 0 in Java Calendar?
... answers, it could well be due to old C APIs, or just a general feeling of starting everything from 0... except that days start with 1, of course. I doubt whether anyone outside the original implementation team could really state reasons - but again, I'd urge readers not to worry so much about why b...
Set cursor position on contentEditable
...ndards-based browsers, but will probably fail in IE. I'm providing it as a starting point. IE doesn't support DOM Range.
var editable = document.getElementById('editable'),
selection, range;
// Populates selection and range variables
var captureSelection = function(e) {
// Don't capture se...
How to “comment-out” (add comment) in a batch/cmd?
... colon :: Is the cleanest .bat comment there is. And it can be used at the start or middle of a line!
– ATSiem
Aug 23 '13 at 19:23
10
...
Python coding standards/best practices [closed]
...s snuggling ()'s up against function names or (in C) statements keywords. Starting with Fortran IV in the 70's.
Use spaces around arithmetic operators:
Suggested: x = x * 2 - 1
I do this anyway: x= x * 2 - 1
Why? Gries' The Science of Programming suggested this as a way to emphasize the connec...
Get domain name from given url
...I uri = new URI(url);
String domain = uri.getHost();
return domain.startsWith("www.") ? domain.substring(4) : domain;
}
should do what you want.
Though It seems to work fine, is there any better approach or are there some edge cases, that could fail.
Your code as written fails for ...
Circle line-segment collision detection algorithm?
...
Taking
E is the starting point of the ray,
L is the end point of the ray,
C is the center of sphere you're testing against
r is the radius of that sphere
Compute:
d = L - E ( Direction vector of ray, from start to end )
f = E - C ( V...
Shrink a YouTube video to responsive width
...deos - worked great right up until YouTube updated their system around the start of August 2015. The videos on YouTube are the same dimensions but for whatever reason the CSS in the accepted answer now letterboxes all our videos. Black bands across top and bottom.
I've tickered around with the si...
Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...OK so this is actually working, to create the AVD. But still the AVD won't start....
– Stéphane Bourzeix
Mar 6 '14 at 15:46
...
Change the Right Margin of a View Programmatically?
...ion:
Updates the relative margins in the ViewGroup's MarginLayoutParams (start/end instead of left/right).
inline fun MarginLayoutParams.updateMarginsRelative(
@Px start: Int = marginStart,
@Px top: Int = topMargin,
@Px end: Int = marginEnd,
@Px bottom: Int = bottomMargin
): U...