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How to get the mouse position without events (without moving the mouse)?
...y build the <a> elements with javascript, take the mouse postion and then remove all <a> elements. On mousemouse you should have other function to take the mouse position. Anyway, this was hilarious.
– machineaddict
Aug 16 '12 at 5:40
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How can I get nth element from a list?
... Maybe a; x `itemOf` xs = let xslen = length xs in if ((abs x) > xslen) then Nothing else Just (xs !! (x `mod` xslen)). Note, this will fail catastrophically on an infinite list.
– djvs
May 29 '17 at 6:24
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Conda: Installing / upgrading directly from github
...ile, you would need to save this to a file (for example, environment.yml), then run the command: conda env update -f environment.yml.
It's more likely that you would want to create a new environment:
conda env create -f environment.yml (changed as supposed in the comments)
...
A semantics for Bash scripts?
...ey realize that /bin/[ exists on many systems.
$ if '/bin/[' -f '/bin/['; then echo t; fi # Tested as-is on OS X, without the `]`
t
wat?
This makes a lot more sense if you look at how a shell is implemented. Here's an implementation I did as an exercise. It's in Python, but I hope that's not a h...
List columns with indexes in PostgreSQL
...from psql, but if you want to get such information from database using SQL then have a look at Extracting META information from PostgreSQL.
I use such info in my utility to report some info from db schema to compare PostgreSQL databases in test and production environments.
...
jQuery: keyPress Backspace won't fire?
...cient, so one way to handle this is to use keydown to catch all keystrokes then set a timeout of a short interval so that the key is entered, then do processing in there after.
jQuery(el).keydown( function() {
var that = this; setTimeout( function(){
/** Code that processes backspa...
Should the .gradle folder be added to version control?
...t to use the switch from some command line or from my IDE or something and then end up having to deal with the directory anyway.
How do I ignore it?
Git users can add a line with just .gradle to the .gitgnore file and Git will ignore all files in any directory with that name.
Mercurial users w...
How can I get a list of build targets in Ant?
..."Main targets", those without a description are listed as "Other targets", then the "Default" target is listed ("Other targets" are only displayed if there are no main targets, or if Ant is invoked in -verbose or -debug mode).
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Contributing to project on github, how to “rebase my pull request on top of master”
...forgot to fetch from it. git fetch upstream downloaded the latest changes, then eventually git rebase upstream/develop worked.
– Alberto Chiusole
Mar 11 '19 at 12:03
add a com...
How to deal with persistent storage (e.g. databases) in Docker
...ts you identify dangling volumes:
docker volume ls -f dangling=true
And then remove it through its name:
docker volume rm <volume name>
As @mpugach underlines in the comments, you can get rid of all the dangling volumes with a nice one-liner:
docker volume rm $(docker volume ls -f dangl...