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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
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4
please also recommended/suggest to use prepared statement ,,, many time i saw that user using pdo or mysqli query in the same way as mysql ...
Speed up the loop operation in R
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438
Biggest problem and root of ineffectiveness is indexing data.frame, I mean all this lines wher...
Manually raising (throwing) an exception in Python
...do this, it's deprecated!
Only valid in much older versions of Python (2.4 and lower), you may still see people raising strings:
raise 'message' # really really wrong. don't do this.
In all modern versions, this will actually raise a TypeError, because you're not raising a BaseException type. I...
What's the difference between Cache-Control: max-age=0 and no-cache?
...o-cache tells them they MUST revalidate before using a cached copy. From 14.9.1 What is Cacheable:
no-cache
...a cache MUST NOT use the response
to satisfy a subsequent request
without successful revalidation with
the origin server. This allows an
origin server to prevent caching ...
Moving average or running mean
...oop, without dependencies, the code below works great.
mylist = [1, 2, 3, 4, 5, 6, 7]
N = 3
cumsum, moving_aves = [0], []
for i, x in enumerate(mylist, 1):
cumsum.append(cumsum[i-1] + x)
if i>=N:
moving_ave = (cumsum[i] - cumsum[i-N])/N
#can do stuff with moving_ave here...
Find the number of columns in a table
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Dmitry Bychenko
142k1616 gold badges129129 silver badges172172 bronze badges
answered Mar 18 '09 at 14:12
Nathan KoopN...
Why does the indexing start with zero in 'C'?
...oted as array[0].
For more info:
http://developeronline.blogspot.com/2008/04/why-array-index-should-start-from-0.html
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Aliases in Windows command prompt
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463
To add to josh's answer,
you may make the alias(es) persistent with the following steps,
Cr...
How to enable cURL in PHP / XAMPP
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answered Aug 28 '09 at 14:26
Jon BenedictoJon Benedicto
10.1k33 gold badges2525 silver badges2929 bronze badges
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Pushing to Git returning Error Code 403 fatal: HTTP request failed
...nd want to push back out to the GitHub server. Using Cygwin on Windows 7 x64.
61 Answers
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