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Shell equality operators (=, ==, -eq)
Can someone please explain the difference between = , == and -eq in shell scripting?
4 Answers
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What exactly is a Maven Snapshot and why do we need it?
I am a bit confused about the meaning of a Maven Snapshot and why we build one?
13 Answers
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Git for beginners: The definitive practical guide
...k, after seeing this post by PJ Hyett , I have decided to skip to the end and go with Git .
37 Answers
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Cutting the videos based on start and end time using ffmpeg
I tried to cut the video using the start and end time of the video by using the following command
9 Answers
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Immutable vs Mutable types
... changing what the variable refers to. A mutable type can change that way, and it can also change "in place".
Here is the difference.
x = something # immutable type
print x
func(x)
print x # prints the same thing
x = something # mutable type
print x
func(x)
print x # might print something differe...
Unicode equivalents for \w and \b in Java regular expressions?
Many modern regex implementations interpret the \w character class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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How do I declare and initialize an array in Java?
How do I declare and initialize an array in Java?
28 Answers
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Convert tuple to list and back
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@Jimmy that's because list is a debugger command, run p list(...) instead.
– moritz
Jan 24 '19 at 2:26
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Peak detection in a 2D array
...nic measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
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Comparing numbers in Bash
...hen
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fi
For POSIX shells that don't support (()), you can use -lt and -gt.
if [ "$a" -gt "$b" ]; then
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fi
You can get a full list of comparison operators with help test or man test.
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