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Difference between two dates in MySQL
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SELECT TIMESTAMPDIFF(HOUR,NOW(),'2013-05-15 10:23:23')
calculates difference in hour.(for days--> you have to define day replacing hour
SELECT DATEDIFF('2012-2-2','2012-2-1')
SELECT TO_DAYS ('2012-2-2')-TO_DAYS('2012-2-1')
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Python: Why is functools.partial necessary?
...ocking. :-) I'm not sure I'd go as far as Prof. Bauer and call it a design error, but it is hard for human programmers to completely switch between one way of thinking and another. (Or perhaps this is just my insufficient Python experience.)
– ShreevatsaR
Jul 1...
Using wget to recursively fetch a directory with arbitrary files in it
I have a web directory where I store some config files. I'd like to use wget to pull those files down and maintain their current structure. For instance, the remote directory looks like:
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How can I remove an SSH key?
...If you're trying to perform an SSH-related operation and get the following error:
$ git fetch
no such identity: <ssh key path>: No such file or directory
You can remove the missing SSH key from your SSH agent with the following:
$ eval `ssh-agent -s` # start ssh agent
$ ssh-add -D <ssh ke...
How do I autoindent in Netbeans?
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– Elazar Leibovich
Aug 24 '09 at 20:05
Tried it with a minified file (all code on one line) and won't indent anything:...
Does reading an entire file leave the file handle open?
...s the actual read_text implementation:
def read_text(self, encoding=None, errors=None):
"""
Open the file in text mode, read it, and close the file.
"""
with self.open(mode='r', encoding=encoding, errors=errors) as f:
return f.read()
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List of zeros in python [duplicate]
How can I create a list which contains only zeros? I want to be able to create a zeros list for each int in range(10)
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How to open a specific port such as 9090 in Google Compute Engine
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ERROR: (gcloud.compute.firewall-rules.create) Could not fetch resource: - Insufficient Permission @modulitos
– alper
Mar 6 '18 at 8:53
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Constant pointer vs Pointer to constant [duplicate]
...pointer
constant_pointer.c: In function ‘main’:
constant_pointer.c:13: error: increment of read-only variable ‘ptr’
Hence we see very clearly above that compiler complains that we cannot changes the address held by a constant pointer.
Pointer to Constants
#include<stdio.h>
int mai...
How to split a string with any whitespace chars as delimiters
...regex/…
– Michaël
May 8 '12 at 9:05
Read Pattern class JavaDoc: docs.oracle.com/javase/7/docs/api/java/util/regex/P...