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What's the difference between HEAD^ and HEAD~ in Git?
...t rev-parse documentation defines ~ as
<rev>~<n>, e.g. master~3
A suffix ~<n> to a revision parameter means the commit object that is the nth generation ancestor of the named commit object, following only the first parents. For example, <rev>~3 is equivalent to <rev>^^...
How can I find all of the distinct file extensions in a folder hierarchy?
...
360
Try this (not sure if it's the best way, but it works):
find . -type f | perl -ne 'print $1 i...
Reading binary file and looping over each byte
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396
Python 2.4 and Earlier
f = open("myfile", "rb")
try:
byte = f.read(1)
while byte != "...
What are all the common ways to read a file in Ruby?
...2.0.0).
– chbrown
Jan 12 '15 at 22:53
add a comment
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What is Weak Head Normal Form?
...re not in normal form:
1 + 2 -- we could evaluate this to 3
(\x -> x + 1) 2 -- we could apply the function
"he" ++ "llo" -- we could apply the (++)
(1 + 1, 2 + 2) -- we could evaluate 1 + 1 and 2 + 2
Weak head normal form
An expression in weak head normal ...
Read file from line 2 or skip header row
...e it as a variable
– damned
Oct 8 '13 at 5:38
37
Or use header_line = next(f).
...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...ssue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479
28 Answers
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java : convert float to String and String to float
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382
Using Java’s Float class.
float f = Float.parseFloat("25");
String s = Float.toString(25.0f...
foldl versus foldr behavior with infinite lists
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234
How folds differ seems to be a frequent source of confusion, so here's a more general overview:...