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Check if a given key already exists in a dictionary
...()
for i in range(100):
key = i % 10
d[key] = d.get(key, 0) + 1
and if you wanted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:
from collections import defaultdict
d = defaultdict(int)
f...
How do I create an HTML table with a fixed/frozen left column and a scrollable body?
... columns scroll horizontally, you can position: absolute the first column (and specify its width explicitly), and then wrap the entire table in an overflow-x: scroll block. Don't bother trying this in IE7, however...
Relevant HTML & CSS:
table {
border-collapse: separate;
border-sp...
Quickest way to convert XML to JSON in Java [closed]
What are some good tools for quickly and easily converting XML to JSON in Java?
6 Answers
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Jasmine.js comparing arrays
...
Just did the test and it works with toEqual
please find my test:
http://jsfiddle.net/7q9N7/3/
describe('toEqual', function() {
it('passes if arrays are equal', function() {
var arr = [1, 2, 3];
expect(arr).toEqual([1, 2,...
Check if an array contains any element of another array in JavaScript
I have a target array ["apple","banana","orange"] , and I want to check if other arrays contain any one of the target array elements.
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Convert a row of a data frame to vector
...ate a vector out of a row of a data frame. But I don't want to have to row and column names. I tried several things... but had no luck.
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Color in git-log
... default:
the HEAD in cyan
the remote branches in red
the tag in green
and can be changed through color.decorate config.
But the git log --format don't offer a way to display specifically the HEAD or remotes or branch: all three are displayed through %d, with one color possible.
Update May ...
Remove files from Git commit
I am using Git and I have committed few files using
29 Answers
29
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What does “pending” mean for request in Chrome Developer Window?
...enaming the file so that it doesn't contain "ad" in the URL also fixes it, and is obviously a better solution. Unless it's an advertisement, in which case you should leave it like that. :)
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i...
Difference between null and empty (“”) Java String
What is the difference between null and the "" (empty string)?
22 Answers
22
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