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Fastest way to list all primes below N
...ay vary due to differences in hardware or
version of Python.
Below is a script which compares a number of implementations:
ambi_sieve_plain,
rwh_primes,
rwh_primes1,
rwh_primes2,
sieveOfAtkin,
sieveOfEratosthenes,
sundaram3,
sieve_wheel_30,
ambi_sieve (requires numpy)
primesfrom3to (requir...
What is the maximum recursion depth in Python, and how to increase it?
...
you can use svn.python.org/projects/python/trunk/Tools/scripts/… to find out your OS upper limit
– Ullullu
Sep 16 '15 at 13:55
...
Copy a table from one database to another in Postgres
... a .backup file
Open this new file using notepad. You will see the insert scripts needed for the table/data. Copy and paste these into the new database sql page in pgAdmin. Run as pgScript - Query->Execute as pgScript F6
Works well and can do multiple tables at a time.
...
Get operating system info
...wserNews/res_sniff.htm
How can I target only Internet Explorer 11 with JavaScript?
http://en.wikipedia.org/wiki/Trident_%28layout_engine%29
https://stackoverflow.com/a/17907562/1415724
http://msdn.microsoft.com/en-us/library/ie/bg182625(v=vs.110).aspx
An article on MSDN Blogs
An article on NCZOnline...
Uncaught SyntaxError: Unexpected token :
I am running an AJAX call in my MooTools script, this works fine in Firefox but in Chrome I am getting a Uncaught SyntaxError: Unexpected token : error, I cannot determine why. Commenting out code to determine where the bad code is yields nothing, I am thinking it may be a problem with the JSON be...
FFmpeg: How to split video efficiently?
...
Here's a useful script, it helps you split automatically: A script for splitting videos using ffmpeg
#!/bin/bash
# Written by Alexis Bezverkhyy <alexis@grapsus.net> in 2011
# This is free and unencumbered software released into the...
Deserialize JSON into C# dynamic object?
...ing System.Dynamic;
using System.Linq;
using System.Text;
using System.Web.Script.Serialization;
public sealed class DynamicJsonConverter : JavaScriptConverter
{
public override object Deserialize(IDictionary<string, object> dictionary, Type type, JavaScriptSerializer serializer)
{
...
Difference between subprocess.Popen and os.system
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@JacobMarble so suppose I am calling a selenium scraping script from another python script, which of these would allow me to complete the scraping script and then and only then execute the next line of code? As in, my scraping should complete before the execution can continue.
...
Why does modern Perl avoid UTF-8 by default?
...????????????
Set your PERL_UNICODE envariable to AS. This makes all Perl scripts decode @ARGV as UTF‑8 strings, and sets the encoding of all three of stdin, stdout, and stderr to UTF‑8. Both these are global effects, not lexical ones.
At the top of your source file (program, module, library, d...
How to find Unused Amazon EC2 Security groups
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@Erik Yes, I only have a single region and the AWS scripts have their home region set via environmental variables. I'd be interested in seeing a multi-region version of this script.
– Ray
Apr 15 '15 at 21:28
...