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For i = 0, why is (i += i++) equal to 0?
Take the following code (usable as a Console Application):
24 Answers
24
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Remove white space below image [duplicate]
In Firefox only my video thumbnails are displaying mysterious 2-3 pixels of white space between the bottom of my image and its border (see below).
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What is Weak Head Normal Form?
...e.
Normal form
An expression in normal form is fully evaluated, and no sub-expression could be evaluated any further (i.e. it contains no un-evaluated thunks).
These expressions are all in normal form:
42
(2, "hello")
\x -> (x + 1)
These expressions are not in normal form:
1 + 2 ...
How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END { print $sum'
Th...
Are tuples more efficient than lists in Python?
Is there any performance difference between tuples and lists when it comes to instantiation and retrieval of elements?
8 A...
How can I remove the first line of a text file using bash/sed script?
I need to repeatedly remove the first line from a huge text file using a bash script.
16 Answers
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Converting integer to binary in python
In order to convert an integer to a binary, I have used this code :
14 Answers
14
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Should __init__() call the parent class's __init__()?
I'm used that in Objective-C I've got this construct:
7 Answers
7
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How to truncate milliseconds off of a .NET DateTime
I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precisio...
What is the equivalent of the C++ Pair in Java?
... there a good reason why there is no Pair<L,R> in Java? What would be the equivalent of this C++ construct? I would rather avoid reimplementing my own.
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