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“git rm --cached x” vs “git reset head -- x”?
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There are three places where a file, say, can be - the tree, the index and the working copy. When you just add a file to a folder, you are adding it to the working copy.
When you do something like git add file you add it to the index. And when you commit it, you add it to the tree as well.
It ...
Serializing object that contains cyclic object value
...beware of using, very potential crashes your app. needs correct semicolons and is not useable on event objects!
– Ol Sen
Apr 22 '13 at 16:07
3
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How to use shared memory with Linux in C
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There are two approaches: shmget and mmap. I'll talk about mmap, since it's more modern and flexible, but you can take a look at man shmget (or this tutorial) if you'd rather use the old-style tools.
The mmap() function can be used to allocate memory buffer...
What is the difference between Nexus and Maven?
What is the difference between Nexus and Maven ?
3 Answers
3
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How does this CSS produce a circle?
...f 180 pixels?
Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source):
The height and width apply only on content, if the correct box model is being used (no quirks mode, no old Internet Explorer).
Where d...
Age from birthdate in python
How can I find an age in python from today's date and a persons birthdate? The birthdate is a from a DateField in a Django model.
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What should every JavaScript programmer know? [closed]
...ul, but they are often hiding the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that.
Here are some JavaScript language features that you should know to...
About Android image and asset sizes
...imply using hdpi assets.
What this means is if you're doing a 48dip image and plan to support up to xxhdpi resolution, you should start with a 144px image (192px if you want native assets for xxxhdpi) and make the following images for the densities:
ldpi | mdpi | tvdpi | hdpi | xhdpi ...
Passing a string with spaces as a function argument in bash
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you should put quotes and also, your function declaration is wrong.
myFunction()
{
echo "$1"
echo "$2"
echo "$3"
}
And like the others, it works for me as well. Tell us what version of shell you are using.
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Why is std::map implemented as a red-black tree?
...bly the two most common self balancing tree algorithms are Red-Black trees and AVL trees. To balance the tree after an insertion/update both algorithms use the notion of rotations where the nodes of the tree are rotated to perform the re-balancing.
While in both algorithms the insert/delete operat...