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Calculating Pearson correlation and significance in Python
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201
You can have a look at scipy.stats:
from pydoc import help
from scipy.stats.stats import pear...
Python strftime - date without leading 0?
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edited Apr 8 '17 at 7:42
C S
8061212 silver badges1919 bronze badges
answered Jan 15 '10 at 16:38
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Oracle Differences between NVL and Coalesce
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COALESCE is more modern function that is a part of ANSI-92 standard.
NVL is Oracle specific, it was introduced in 80's before there were any standards.
In case of two values, they are synonyms.
However, they are implemented differently.
NVL always evaluates both arguments, whil...
Difference between dispatch_async and dispatch_sync on serial queue?
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for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_async(_serialQueue, ^{ printf("3"); });
printf("4");
It may print 2413 or 2143 or 1234 but 1 always before 3
for this code
dispatch_sync(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_sync(_serialQu...
Redirecting Output from within Batch file
...r to End-Of-File multiple times.
@echo off
command1 >output.txt
command2 >>output.txt
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commandN >>output.txt
A better way - easier to write, and faster because the file is opened and positioned only once.
@echo off
>output.txt (
command1
command2
...
commandN
)
Ano...
Find if variable is divisible by 2
How do I figure out if a variable is divisible by 2? Furthermore I need do a function if it is and do a different function if it is not.
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How do I draw a shadow under a UIView?
...hat I should use CGContextSetShadow() to draw the shadow, but the Quartz 2D programming guide is a little vague:
16 Answe...
How do I get bit-by-bit data from an integer value in C?
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edited Jan 9 '16 at 4:21
Ashish Ahuja
4,70099 gold badges4343 silver badges6161 bronze badges
answer...
Getting value of select (dropdown) before change
... is changed I want the value of the dropdown before change. I am using 1.3.2 version of jQuery and using on change event but the value I am getting over there is after change.
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