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How do I check to see if a value is an integer in MySQL?
...ainst a regular expression.
c.f. http://forums.mysql.com/read.php?60,1907,38488#msg-38488 as quoted below:
Re: IsNumeric() clause in MySQL??
Posted by: kevinclark ()
Date: August 08, 2005 01:01PM
I agree. Here is a function I created for MySQL 5:
CREATE FUNCTION IsNumeric (sIn varchar(1024)) RETU...
Pandas - How to flatten a hierarchical index in columns
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84
pd.DataFrame(df.to_records()) # multiindex become columns and new index is integers only
...
Resize image in the wiki of GitHub using Markdown
...s://cloud.githubusercontent.com/assets/1280390/12011119/596fdca4-acc2-11e5-84d0-4878164e04bb.png)
Cut-paste that by hand into your Mygist.md.
But: GitHub people may change this behavior tomorrow, without documenting it.
sh...
jQuery find events handlers registered with an object
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You can do it by crawling the events (as of jQuery 1.8+), like this:
$.each($._data($("#id")[0...
How can I represent an infinite number in Python?
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Since Python 3.5 you can use math.inf:
>>> import math
>>> math.inf
inf
...
How to insert text into the textarea at the current cursor position?
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84
This snippet could help you with it in a few lines of jQuery 1.9+: http://jsfiddle.net/4MBUG/2/...
How to semantically add heading to a list
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84
As Felipe Alsacreations has already said, the first option is fine.
If you want to ensure tha...
set gvim font in .vimrc file
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84
Try setting your font from the menu and then typing
:set guifont?
This should display to you...
How to fast-forward a branch to head?
... Greg HewgillGreg Hewgill
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5...
Why do we usually use || over |? What is the difference?
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| does not do short-circuit evaluation in boolean expressions. || will stop evaluating if the f...
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