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What is the difference between the kernel space and the user space?
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120
The really simplified answer is that the kernel runs in kernel space, and normal programs run in...
List of remotes for a Git repository?
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edited Jul 18 '18 at 6:10
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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MongoDB, remove object from array
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try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } },
false,
true
);
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Format bytes to kilobytes, megabytes, gigabytes
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320
function formatBytes($bytes, $precision = 2) {
$units = array('B', 'KB', 'MB', 'GB', 'TB');...
Android: Bitmaps loaded from gallery are rotated in ImageView
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40
Have you looked at the EXIF data of the images? It may know the orientation of the camera when t...
How does Stack Overflow generate its SEO-friendly URLs?
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302
Here's how we do it. Note that there are probably more edge conditions than you realize at firs...
Bootstrap dropdown sub menu missing
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Updated 2018
The dropdown-submenu has been removed in Bootstrap 3 RC. In the words of Bootstrap author Mark Otto..
"Submenus just don't have much of a place on the web right now, especially the mobile web. They will be removed wi...
maximum value of int
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Oliver Hanappi
10.8k77 gold badges4747 silver badges6666 bronze badges
answered Dec 6 '09 at 14:00
Gregory PakoszGreg...
How can we match a^n b^n with Java regex?
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+100
The answer is, needless to say, YES! You can most certainly write a Java regex pattern to match anbn. It uses a positive lookahead fo...