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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...]),
y=gl(3,1,6, labels=letters[1:3]),
z=c(1,2,3,3,3,2))
Using the tidyverse:
The new cool new way to do this is with pivot_wider from tidyr 1.0.0. It returns a data frame, which is probably what most readers of this answer will want. For a heatmap, though, yo...
Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
...
if [ ! -z "$var" ] && [ -e "$var" ]; then
# something ...
fi
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Standardize data columns in R
...n
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25
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How to do a join in linq to sql with method syntax?
...d
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answered Jul 10 '10 at 3:20
Justin NiessnerJustin Niessner
225k3434 ...
Matplotlib discrete colorbar
... a custom discrete colorbar quite easily by using a BoundaryNorm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey.
For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt ...
`date` command on OS X doesn't have ISO 8601 `-I` option?
...pliant date, use one of the following formats:
date -u +"%Y-%m-%dT%H:%M:%SZ"
Output:
2011-08-27T23:22:37Z
or
date +%Y-%m-%dT%H:%M:%S%z
Output:
2011-08-27T15:22:37-0800
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git update-index --assume-unchanged on directory
...s will be problematic. If you have those, you can use this:
git ls-files -z | xargs -0 git update-index --assume-unchanged
Edit: incorporated input from @MatthewScharley regarding git ls-files -z.
Windows Commands
Note: If you're on windows, use Git Bash to run these commands
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Getting the count of unique values in a column in bash
...ple):
awk -F '\t' '{print $2}' * | sort | uniq -c | sort -nr
fileA.txt
z z a
a b c
w d e
fileB.txt
t r e
z d a
a g c
fileC.txt
z r a
v d c
a m c
Result:
3 d
2 r
1 z
1 m
1 g
1 b
...
Ignore mouse interaction on overlay image
...Aug 4 '17 at 17:00
Francisco Couzo
8,04633 gold badges2929 silver badges3737 bronze badges
answered Dec 21 '11 at 21:45
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Obfuscated C Code Contest 2006. Please explain sykes2.c
... main(-~_);
putchar(--_%64
? 32 | -~7[__TIME__-_/8%8][">'txiZ^(~z?"-48] >> ";;;====~$::199"[_*2&8|_/64]/(_&2?1:8)%8&1
: 10);
}
Introducing variables to untangle this mess:
main(int i) {
if(i^448)
main(-~i);
if(--i % 64) {
char a = -...