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How to randomly pick an element from an array
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If you are going to be getting a random element multiple times, you want to make sure your random number generator is initialized only once.
import java.util.Random;
public class RandArray {
private int[] items = new int[]{1,2,3};
private Random rand = new Random(...
How do search engines deal with AngularJS applications?
...n.com/#!path/to/resource
This would be paired with a metatag like this:
<meta name="fragment" content="!">
Google will not index them in this form, but will instead pull a static version of the site from the _escaped_fragments_ URL and index that.
Pushstate URLs look like any ordinary URL...
git - Your branch is ahead of 'origin/master' by 1 commit
...sure you want this (git log), because you'll loose all changes.
A safer alternative is to run
git reset --soft HEAD~ # reset to the last commit
git stash # stash all the changes in the working tree
git push # push changes
git stash pop # get your changes bac...
How to git bundle a complete repo
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The synopsis for create command is git bundle create <file> <git-rev-list-args>. Running man git-rev-list (or man git-log) would give you --all. But I agree that it should be more visible in the bundle command documentation.
– Jakub Narębski
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Renaming xcode 4 project and the actual folder
...IT: this option is still there in Xcode 5, but is helpfully hidden by default. To show it, click the thin "Identity and Type" header in the inspector above the "Text Settings" panel to expand it.
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Grep not as a regular expression
...he end of the arguments of the command using --.
Example:
grep -HnrF -- <pattern> <files>
Hope that'll help someone.
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How to remove item from array by value? [duplicate]
...t, i) {
i = i || 0;
var L = this.length;
while (i < L) {
if(this[i] === what) return i;
++i;
}
return -1;
};
}
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How to fade to display: inline-block
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Great answer! Even better, you can leave it empty to default to whatever you have in your CSS: $("div").fadeIn().css("display","");
– Brandon Durham
Feb 7 '14 at 20:11
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How to list only top level directories in Python?
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Filter the result using os.path.isdir() (and use os.path.join() to get the real path):
>>> [ name for name in os.listdir(thedir) if os.path.isdir(os.path.join(thedir, name)) ]
['ctypes', 'distutils', 'encodings', 'lib...
“inconsistent use of tabs and spaces in indentation”
...spaces → choose Anaconda → click on autoformat. Done. Or press Ctrl + Alt + R.
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