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How do you reindex an array in PHP?
... answered Feb 26 '09 at 16:07
Andrew MooreAndrew Moore
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...QuerySet in the following ways:
Iteration. A QuerySet is iterable, and it executes its database query the first time you iterate over it. For example, this will print the headline of all entries in the database:
for e in Entry.objects.all():
print e.headline
So your ten million ro...
Change the color of glyphicons to blue in some- but not at all places using Bootstrap 2
...="color:blue"></span>
Or you can add it as a class to your icon and then set the font color to it in CSS
HTML
<span class="glyphicon glyphicon-search"></span>
<span class="glyphicon glyphicon-user blue"></span>
<span class="glyphicon glyphicon-trash"></...
How do I concatenate strings in Swift?
...hange its value once you have set it. You can still add it to other things and create new variables though.
var creates a variable. (sort of like NSMutableString) so you can change the value of it. But this has been answered several times on Stack Overflow, (see difference between let and var).
No...
Converting String to “Character” array in Java
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I wish ArrayUtils is standard in JVMs!
– Alvin
Apr 4 '12 at 6:58
4
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How do I rename all folders and files to lowercase on Linux?
...
A concise version using the "rename" command:
find my_root_dir -depth -exec rename 's/(.*)\/([^\/]*)/$1\/\L$2/' {} \;
This avoids problems with directories being renamed before files and trying to move files into non-existing directories (e.g. "A/A" into "a/a").
...
How to call a method after a delay in Android
...
Kotlin
Handler(Looper.getMainLooper()).postDelayed({
//Do something after 100ms
}, 100)
Java
final Handler handler = new Handler(Looper.getMainLooper());
handler.postDelayed(new Runnable() {
@Override
...
2 column div layout: right column with fixed width, left fluid
...right column needs to come before the left one.
If the right has a float (and a width), and if the left column doesn't have a width and no float, it will be flexible :)
Also apply an overflow: hidden and some height (can be auto) to the outer div, so that it surrounds both inner divs.
Finally, at...
How to apply unmerged upstream pull requests from other forks into my fork?
...applying also the eventual commits that have been added between the origin and the pull request, you can just rebase the branch on which the pull request was formed
git rebase master otherfork/pullrequest-branch
If you only want the commits in the pull request, identify their SHA1 and do
git cher...
Why implement interface explicitly?
...
If you implement two interfaces, both with the same method and different implementations, then you have to implement explicitly.
public interface IDoItFast
{
void Go();
}
public interface IDoItSlow
{
void Go();
}
public class JustDoIt : IDoItFast, IDoItSlow
{
void IDoItF...