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Format numbers in django templates
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There is also a python way to do this thing:
>>> '{:,}'.format(1000000)
'1,000,000'
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Choosing between std::map and std::unordered_map [duplicate]
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@paulm, as I stated in the blog post N=10,000,000.
– Motti
Aug 31 '14 at 7:39
The blo...
In C#, how to instantiate a passed generic type inside a method?
...class :
public class A { }
The script to test:
const int iterations = 1000000;
Benchmark(() => new A(), iterations, "new A()");
Benchmark(() => FactoryMethod<A>(), iterations, "FactoryMethod<A>()");
Benchmark(() => FactoryClass<A>.Create(), iterations, "FactoryClass<...
Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
... if you put it on the most common side, the right.
setTimeout(test, 1000); //delay for demonstration
function test() {
var mac = /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
if (mac) {
document.getElementById('close').classList.add("left");
}
}
#window {
positi...
Find a file in python
..._results
search_results is a list of the absolute file paths. This is 10,000's of times faster than the methods above and for one search I've done it was ~72,000 times faster.
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Check if a string contains a number
...ch(string)
# Output from iPython
# In [18]: %timeit f1('assdfgag123')
# 1000000 loops, best of 3: 1.18 µs per loop
# In [19]: %timeit f2('assdfgag123')
# 1000000 loops, best of 3: 923 ns per loop
# In [20]: %timeit f3('assdfgag123')
# 1000000 loops, best of 3: 384 ns per loop
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Real life trading API [closed]
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EDIT: It seems like there's a $25,000 account minimum to access their APIs...
– train
Feb 2 '16 at 17:21
add a comment
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Split a string by spaces — preserving quoted substrings — in Python
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I use shlex.split to process 70,000,000 lines of squid log, it's so slow. So I switched to re.
Please try this, if you have performance problem with shlex.
import re
def line_split(line):
return re.findall(r'[^"\s]\S*|".+?"', line)
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Why Large Object Heap and why do we care?
... bunch of benchmarks to determine the break-even point. And arrived at 85,000 bytes as the cutoff point where copying no longer improves perf. With a special exception for arrays of double, they are considered 'large' when the array has more than 1000 elements. That's another optimization for 32-...
Get all unique values in a JavaScript array (remove duplicates)
... The option "filter + indexOf" is extremely slow on arrays over 100.000 items. I had to use "object map" approach however it breaks original sorting.
– liberborn
Sep 14 '17 at 13:18
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