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How to find all occurrences of an element in a list?
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16 Answers
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Can the Unix list command 'ls' output numerical chmod permissions?
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it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
*2^(8-i));if(k)printf("%0o ",k);print}'
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Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
... want to require a relative file in Ruby and I want it to work in both 1.8.x and >=1.9.2?
11 Answers
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How do I get Month and Date of JavaScript in 2 digit format?
...tDate()).slice(-2)
for the date, and similar:
("0" + (this.getMonth() + 1)).slice(-2)
for the month.
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Truncating floats in Python
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117
First, the function, for those who just want some copy-and-paste code:
def truncate(f, n):
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When is memoization automatic in GHC Haskell?
I can't figure out why m1 is apparently memoized while m2 is not in the following:
4 Answers
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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91
The order of evaluation of subexpressions, including
the arguments of a function call and
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Easy way to test a URL for 404 in PHP?
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15 Answers
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How can I show ellipses on my TextView if it is greater than the 1 line?
...droid:scrollHorizontally="true"
android:ellipsize="end"
android:maxLines="1"
.............. the scrollHorizontally is the "special sauce" that makes it work.
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Delete element in a slice
...d i is the index of the element you want to delete:
a = append(a[:i], a[i+1:]...)
... is syntax for variadic arguments in Go.
Basically, when defining a function it puts all the arguments that you pass into one slice of that type. By doing that, you can pass as many arguments as you want (for ex...