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What's wrong with foreign keys?
...ost if you have a lot of churn
by enforcing relationships, FKs specify an order in which you have to add/delete things, which can lead to refusal by the DB to do what you want. (Granted, in such cases, what you are trying to do is create an Orphaned Row, and that's not usually a good thing). This...
How to identify platform/compiler from preprocessor macros?
...houldn't be hard: just glue together the existing answers in some sensible order). Personally I have better things to do with my time, but as a moderator clearly SO is more important to you than to me.
– John Bartholomew
Apr 29 '14 at 14:25
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Get position/offset of element relative to a parent container?
...ffsetLeft, elm.offsetTop);
p { position:relative; left:10px; top:85px; border:1px solid blue; }
span{ position:relative; left:30px; top:35px; border:1px solid red; }
<p>
<span>paragraph</span>
</p>
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What does “mro()” do?
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Why is it called method resolution order instead of attribute resolution order?
– Bentley4
Mar 24 '13 at 13:07
1
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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In order to run the python script, we need to tell the shell three things:
That the file is a script
Which interpreter we want to execute the script
The path of said interpreter
The shebang #! accomplishes (1.). The shebang ...
How to do stateless (session-less) & cookie-less authentication?
Bob uses a web application in order to achieve something. And:
2 Answers
2
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Is there a way to measure how sorted a list is?
...ce of elements of type T is a pair of sequence elements that appear out of order according to some ordering < on the set of T's.
From Wikipedia:
Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A.
The inv...
Fetch frame count with ffmpeg
...0]Cannot parallelize deblocking type 1, decoding such frames in
sequential order
frame= 49 fps= 24 q=26.0 size= 4kB time=0.28 bitrate= 118.1kbits/s
frame= 56 fps= 22 q=23.0 size= 4kB time=0.56 bitrate= 62.9kbits/s
Once you have the time, it is simple math: time / durration ...
How to implement an ordered, default dict? [duplicate]
I would like to combine OrderedDict() and defaultdict() from collections in one object, which shall be an ordered, default dict .
Is this possible?
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Cross-Origin Request Headers(CORS) with PHP headers
...gins/addons in chrome/mozilla be sure to toggle them more than one time,in order for CORS to be enabled
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