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How to delete a stash created with git stash create?
... is 2 weeks later).
Older stashes are saved in the refs/stash reflog (try cat .git/logs/refs/stash), and can be deleted with git stash drop stash@{n}, where n is the number shown by git stash list.
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How do you use “
...wo levels also makes it possible to maintain the state across function invocations by allowing a function to modify variables in the environment of its parent. Key to managing variables at different levels is the double arrow assignment operator <<-. Unlike the usual single arrow assignment (...
Why can't I push to this bare repository?
... the bare repo.
It sounds like your alice repo isn't tracking correctly.
cat .git/config
This will show the default remote and branch.
If you
git push -u origin master
You should start tracking that remote and branch. I'm not sure if that option has always been in git.
...
Is there a built in function for string natural sort?
...ndle tuples, like a regular python sort.
– The Unfun Cat
May 8 '15 at 18:51
2
The X usages mentio...
Grep for literal strings
...
cat list.txt
one:hello:world
two:2:nothello
three:3:kudos
grep --color=always -F"hello
three" list.txt
output
one:hello:world
three:3:kudos
sh...
How do I reword the very first git commit message?
...it rev-list --reverse master |head -n1)' &&
echo "Nice message" || cat' master
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How to generate a core dump in Linux on a segmentation fault?
...here the core dumps are generated, run:
sysctl kernel.core_pattern
or:
cat /proc/sys/kernel/core_pattern
where %e is the process name and %t the system time. You can change it in /etc/sysctl.conf and reloading by sysctl -p.
If the core files are not generated (test it by: sleep 10 & and k...
Does the ternary operator exist in R?
...gth(x) ? (x*2) : 0
x <- numeric(0)
length(x) ? (x*2) : 0
for(i in 1:5) cat(i, (i %% 2) ? "Odd\n" : "Even\n")
... But you need to put the expressions in parentheses because the default precedence isn't like in C.
Just remember to restore the old help function when you're done playing:
rm(`?`)...
Homebrew: List only installed top level formulas
...ive us a list of formulae which are not dependencies of other formulae:
$ cat brew-root-formulae.sh
#!/bin/sh
brew deps --installed | \
awk -F'[: ]+' \
'{
packages[$1]++
for (i = 2; i <= NF; i++)
dependencies[$i]++
}
END {
for (package in pack...
What is the advantage of using abstract classes instead of traits?
...do not contain any implementation code"
– Walrus the Cat
Sep 2 '15 at 0:17
2
abstract - when coll...