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How to do a regular expression replace in MySQL?
... expression specified by the pattern pat with the replacement string repl, and returns the resulting string. If expr, pat, or repl is NULL, the return value is NULL.
and Regular expression support:
Previously, MySQL used the Henry Spencer regular expression library to support regular expression op...
Changing CSS Values with Javascript
...sy to set inline CSS values with javascript. If I want to change the width and I have html like this:
9 Answers
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For each row in an R dataframe
I have a dataframe, and for each row in that dataframe I have to do some complicated lookups and append some data to a file.
...
Rotating videos with FFmpeg
...ut.mov
For the transpose parameter you can pass:
0 = 90CounterCLockwise and Vertical Flip (default)
1 = 90Clockwise
2 = 90CounterClockwise
3 = 90Clockwise and Vertical Flip
Use -vf "transpose=2,transpose=2" for 180 degrees.
Make sure you use a recent ffmpeg version from here (a static build wi...
Override browser form-filling and input highlighting with HTML/CSS
I have 2 basic forms -- sign in and sign up, both on the same page. Now, I have no problem with the sign in form auto-filling, but the sign up form auto fills as well, and I don't like it.
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Getting the index of the returned max or min item using max()/min() on a list
I'm using Python's max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
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How to find out the number of CPUs using python
...is not in use), multiprocessing.cpu_count() is the way to go in Python 2.6 and newer. The following method falls back to a couple of alternative methods in older versions of Python:
import os
import re
import subprocess
def available_cpu_count():
""" Number of available virtual or physical CP...
A Regex that will never be matched by anything
...a stupid question, but I had a long talk with some of my fellow developers and it sounded like a fun thing to think of.
26 ...
htaccess Access-Control-Allow-Origin
I'm creating a script that loads externally on other sites. It loads CSS and HTML and works fine on my own servers.
9 Answe...
Formatting Numbers by padding with leading zeros in SQL Server
...HAR
SELECT REPLICATE('0',6-LEN(RTRIM(EmployeeId))) + RTRIM(EmployeeId)
And the code to remove these 0s and get back the 'real' number:
SELECT RIGHT(EmployeeId,(LEN(EmployeeId) - PATINDEX('%[^0]%',EmployeeId)) + 1)
shar...