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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...rom collections import Counter
>>> A = Counter({'a':1, 'b':2, 'c':3})
>>> B = Counter({'b':3, 'c':4, 'd':5})
>>> A + B
Counter({'c': 7, 'b': 5, 'd': 5, 'a': 1})
Counters are basically a subclass of dict, so you can still do everything else with them you'd normally do wit...
How do I add the contents of an iterable to a set?
...
231
You can add elements of a list to a set like this:
>>> foo = set(range(0, 4))
>&gt...
How do I check if an index exists on a table field in MySQL?
... |
edited Jan 15 '15 at 3:38
mlissner
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answ...
Proper way to return JSON using node or Express
...wkward reason, you could use something like JSON.stringify(anObject, null, 3)
It's important that you set the Content-Type header to application/json, too.
var http = require('http');
var app = http.createServer(function(req,res){
res.setHeader('Content-Type', 'application/json');
res.end(J...
FFmpeg: How to split video efficiently?
...fmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One command"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:...
CSS z-index paradox flower
...s my attempt: http://jsfiddle.net/Kx2k5/1/
(successfully tested on Fx27, Ch33, IE9, Sf5.1.10 and Op19)
CSS
.item {
/* include borders on width and height */
-webkit-box-sizing : border-box;
-moz-box-sizing : border-box;
box-sizing : border-box;
...
}
.i1:after {
c...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...any games against the same setter, or against a group of similar setters.
3. A hangman algorithm
Here I'll outline a solver that is pretty good (but far from perfect). It models the setter as choosing words uniformly from a fixed dictionary. It's a greedy algorithm: at each stage it guesses the le...
Any way to declare a size/partial border to a box?
... to declare a size/partial border to a box in CSS? For example a box with 350px that only shows a border-bottom in its firsts 60px . I think that might be very useful.
...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
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358
There is a lot to say about this. Let me focus on AsEnumerable and AsQueryable and mention ToL...
How to sort an array of objects with jquery or javascript [duplicate]
...
395
//This will sort your array
function SortByName(a, b){
var aName = a.name.toLowerCase();
v...