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SQL Logic Operator Precedence: And and Or
...ect Case When (@x=1 OR @y=1) And @z=1 Then 'T' Else 'F' End -- outputs F
For those who like to consult references (in alphabetic order):
Microsoft Transact-SQL operator precedence
Oracle MySQL 9 operator precedence
Oracle 10g condition precedence
PostgreSQL operator Precedence
SQL as understood...
What's a redirect URI? how does it apply to iOS app for OAuth2.0?
...er but quick explanation:
http://agileanswer.blogspot.se/2012/08/oauth-20-for-my-ninth-grader.html
The redirect URI is the callback entry point of the app. Think about how OAuth for Facebook works - after end user accepts permissions, "something" has to be called by Facebook to get back to the app...
Scaling Node.js
...ale server-side development. I want to write a server using Node.js, but before I forge ahead I'd like to know what the general principles are for scaling node up to, say, 20 queries per second.
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No module named setuptools
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I was going to vote you down for not providing the command to install setuptools but you really do need to go to that URL to see how to install it on your specific system.
– rob
May 2 '16 at 19:53
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Crontab Day of the Week syntax
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0 and 7 both stand for Sunday, you can use the one you want, so writing 0-6 or 1-7 has the same result.
Also, as suggested by @Henrik, it is possible to replace numbers by shortened name of days, such as MON, THU, etc:
0 - Sun Sunday
1 -...
How to detect IE11?
...ote that IE11 (afaik) still is in preview, and the user agent may change before release.
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How to loop through all but the last item of a list?
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for x in y[:-1]
If y is a generator, then the above will not work.
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How do I rename all files to lowercase?
I have for example TREE.wav, ONE.WAV. I want to rename it to tree.wav, one.wav. How do I rename all files to lowercase?
4 ...
Numpy argsort - what is it doing?
...hen index 0.
There are a number of ways to get the result you are looking for:
import numpy as np
import scipy.stats as stats
def using_indexed_assignment(x):
"https://stackoverflow.com/a/5284703/190597 (Sven Marnach)"
result = np.empty(len(x), dtype=int)
temp = x.argsort()
result...
What is the default initialization of an array in Java?
...ly set to something by the programmer, is initialized to a zero value.
For references (anything that holds an object) that is null.
For int/short/byte/long that is a 0.
For float/double that is a 0.0
For booleans that is a false.
For char that is the null character '\u0000' (whose decimal equiva...