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JavaScript for…in vs for
... elements. If you can't understand the difference between these scenarios, then yes, you should avoid for...in; otherwise, go nuts.
– Shog9
Oct 28 '08 at 18:40
8
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Is it possible to animate scrollTop with jQuery?
...tes.
$('html, body')
.animate({ scrollTop: 100 })
.promise()
.then(function(){
// callback code here
})
});
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Detect If Browser Tab Has Focus
...at if you're trying to determine if tab is in focus from within an iframe, then it would fail in case the iframe was loaded when the parent page was still out of focus. To cover that as well you'll have to go with the page visibility api.
– Ivan
Jan 27 at 8:16
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What is the use of the @ symbol in PHP?
... If you have set a custom error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will return 0 when the call that triggered the error was preceded by an @...
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Is there still any reason to learn AWK?
...depends on the environment you find yourself in. If you are a *nix person, then knowing awk is a Good Thing. The only other scripting environment that can be found on virtually every *nix is sh. So while grep, sed, etc can surely replace awk on a modern mainstream linux distro, when you move to more...
How to get the absolute coordinates of a view
...y Yeah, kind of like that, but less confusing than having to register (and then unregister…). This is an area where iOS does it better than Android in terms of SDK. Using both on a daily basis, I can say iOS has a lot of annoying things, but UIView handling is not one of those. :)
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embedding image in html email
...r me, I had to create build a clob with the html body, boundaries, etc and then send via utl_smtp. See here for simple example: oracle-base.com/articles/misc/EmailFromOraclePLSQL.php Note that this link does not show embedded images approach, but has detail to get you going.
–...
How to extract numbers from a string in Python?
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A minor comment: you define the variable str which then overrides the str object and method in base python. That's not good practice since you might need it later in the script.
– Jonas Lindeløv
Aug 20 '15 at 9:58
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Get all files that have been modified in git branch
...it for the branch between <notMainDev> and my current branch. I can then do git diff --name-only <notMainDev> $(git merge-base <notMainDev> git branch | grep '\*' | awk '{print $2}')
– Raif
May 17 '12 at 19:54
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Mysql - How to quit/exit from stored procedure
...rting(IN tablename VARCHAR(20))
proc_label:BEGIN
IF tablename IS NULL THEN
LEAVE proc_label;
END IF;
#proceed the code
END;
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