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MySQL Query GROUP BY day / month / year
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edited Feb 3 '09 at 20:42
answered Feb 3 '09 at 20:33
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Profiling Vim startup time
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edited May 27 at 20:43
answered Oct 18 '15 at 3:33
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Read url to string in few lines of java code
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answered Dec 1 '10 at 20:24
Joseph WeissmanJoseph Weissman
5,47755 gold badges3939 silver badges7373 bronze badges
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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
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Alexander LucasAlexander Lucas
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How could the UNIX sort command sort a very large file?
...threads>
# In this example a the file largefile is split into chunks of 20 MB.
# The part are sorted in 4 simultaneous threads before getting merged.
#
# psort largefile.txt 20m 4
#
# by h.p.
split -b $2 $1 $1.part
suffix=sorttemp.`date +%s`
nthreads=$3
i=0
for fname in `ls *$1.part*`
do
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Is there a goto statement in Java?
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201
The Java keyword list specifies the goto keyword, but it is marked as "not used".
It was in t...
Python Flask, how to set content type
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As simple as this
x = "some data you want to return"
return x, 200, {'Content-Type': 'text/css; charset=utf-8'}
Hope it helps
Update:
Use this method because it will work with both python 2.x and python 3.x
and secondly it also eliminates multiple header problem.
from flask import R...
what exactly is device pixel ratio?
...ar resolution.
Physical resolution: 960 x 640
Logical resolution: 480 x 320
The formula is:
Where:
is the physical linear resolution
and:
is the logical linear resolution
Other devices report different device pixel ratios, including non-integer ones. For example, the Nokia Lumia 1020 r...
CROSS JOIN vs INNER JOIN in SQL
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answered Jul 20 '13 at 7:16
t-clausen.dkt-clausen.dk
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Is there a Unix utility to prepend timestamps to stdin?
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20
strftime() appears to be a GNU awk extension, so if you're on Mac OS, for example, use gawk instead of awk.
– Joe Sha...