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How to make “if not true condition”?
... then ....
OR
if (( ! $(grep -c "sysa" /etc/passwd) )) ; then ....
Finally, there is an award called the Useless Use of Cat (UUOC). :-) Some people will jump up and down and cry gothca! I'll just say that grep can take a file name on its cmd-line, so why invoke extra processes and pipe construc...
Force browser to download image files on click
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Not fully supported in all browsers yet but it's a good solution if you don't care about IE or Safari. caniuse.com/#feat=download
– stacigh
Sep 23 '14 at 18:41
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jQuery date/time picker [closed]
...ittle over then a little under) and I end up typing it. A keyboard is normally the easiest way to enter a precise numerical value. If you want a visual input method, a clock is the normal one for time, not a slider. Harder to implement, but might actually be useful (as long as keyboard input is a...
CRON job to run on the last day of the month
... if that's a problem, you'll need to find another way.
However, it's usually both substantially easier and correct to run the job as soon as possible on the first day of each month, with something like:
0 0 1 * * myjob.sh
and modify the script to process the previous month's data.
This remove...
What is the difference between lemmatization vs stemming?
... and lemmatization is to reduce inflectional forms and sometimes derivationally related forms of a word to a common base form.
However, the two words differ in their flavor. Stemming usually refers to a crude heuristic process that chops off the ends of words in the hope of achieving this goal corre...
Detail change after Git pull
...ction of the git-rev-parse man page), so that you can do things like
See all of the changes: git diff master@{1} master
See the changes to a given file: git diff master@{1} master <file>
See all the changes within a given directory: git diff master@{1} master <dir>
See the summary of c...
What is the non-jQuery equivalent of '$(document).ready()'?
...library. Someone extracted just the ready part from jQuery. Its nice and small and you might find it useful:
domready at Google Code
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connect local repo with remote repo
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git remote add origin <remote_repo_url>
git push --all origin
If you want to set all of your branches to automatically use this remote repo when you use git pull, add --set-upstream to the push:
git push --all --set-upstream origin
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Jelly Bean DatePickerDialog — is there a way to cancel?
...Lollipop, source here. Automated class for use in clients (compatible with all Android versions) updated as well.
TL;DR: 1-2-3 dead easy steps for a global solution:
Download this class.
Implement OnDateSetListener in your activity (or change the class to suit your needs).
Trigger the dialog with...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
I am using the following for getting the JavaScript caller function name:
15 Answers
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