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How can I remove the first line of a text file using bash/sed script?
...l is much, much slower than the sed variant, by an order of magnitude. I'm testing it on a file of 500,000K lines (no more than 50 chars per line). However, I then realized I was using the FreeBSD version of tail (which comes with OS X by default). When I switched to GNU tail, the tail call was 10 t...
How to set data attributes in HTML elements
...date your data-attributes with some spread, use --
$('body').attr({ 'data-test': 'text' });
-- otherwise, $('body').attr('data-test', 'text'); will work just fine.
Another way you could accomplish this is using --
$.extend( $('body')[0].dataset, { datum: true } );
-- which restricts any attri...
How to make “if not true condition”?
...fic case, it does indeed work because sysa will be printed which makes the test statement come true. However, if ! [ $(true) ]; then echo false; fi would always print false because the true command does not write anything to stdout (even though the exit code is 0). That is why it needs to be rephras...
How do you deploy your ASP.NET applications to live servers?
...ments in sync, and we know exactly what is in production (we deploy to all test and uat environments the same way).
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Force browser to download image files on click
...ere Javascript is all around the place. Works only in Google Chrome (in my test setup), though.
– Pavel
Mar 13 '14 at 10:10
...
pull/push from multiple remote locations
... No. Since writing my question, I've read other web postings and then tested this thing. From reading other postings, I have got the suspicion that only the first line is used. I've just tested this: indeed, only the URL from the first line is inspected by git fetch. (Given this, I don't unders...
Is there a way to get the git root directory in one command?
...
How about "git rev-parse --git-dir" ?
F:\prog\git\test\copyMerge\dirWithConflicts>git rev-parse --git-dir
F:/prog/git/test/copyMerge/.git
The --git-dir option seems to work.
From git rev-parse manual page:
--git-dir
Show $GIT_DIR if defined else show the path to ...
Running the new Intel emulator for Android
...
I just tested running this with the default hardware setup, was working fine then. This x86 emulator is still pretty new, so there's bound to be a bug or two. Try creating a new AVD and run it with the default HW setup.
...
Event binding on dynamically created elements?
...// .bu clicked
// Do your thing
} else if (hasClass(e.target, 'test')) {
// .test clicked
// Do your other thing
}
}, false);
where hasClass is
function hasClass(elem, className) {
return elem.className.split(' ').indexOf(className) > -1;
}
Live demo
Cred...
Condition within JOIN or WHERE
...lly. In "SQL Performance Tuning" by Peter Gulutzan and Trudy Pelzer, they tested multiple brands of RDBMS and found no performance difference.
I prefer to keep join conditions separate from query restriction conditions.
If you're using OUTER JOIN sometimes it's necessary to put conditions in the ...