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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
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edited May 2 '13 at 14:23
Mason Wan
11811 silver badge88 bronze badges
answered Sep 9 '08...
How to create a self-signed certificate with OpenSSL
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2242
You can do that in one command:
openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert...
Scala: List[Future] to Future[List] disregarding failed futures
...ence(...) but there's a twist... The list I'm given usually has around 10-20 futures in it, and it's not uncommon for one of those futures to fail (they are making external web service requests). Instead of having to retry all of them in the event that one of them fails, I'd like to be able to get ...
How to execute a file within the python interpreter?
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Several ways.
From the shell
python someFile.py
From inside IDLE, hit F5.
If you're typin...
Easiest way to rename a model using Django/South?
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./manage.py schemamigration yourapp rename_foo_to_bar --empty
(Update 2: try --auto instead of --empty to avoid the warning below. Thanks to @KFB for the tip.)
If you're using an older version of south, you'll need startmigration instead of schemamigration.
Then manually edit the migration f...
Most efficient way to check for DBNull and then assign to a variable?
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edited Jan 24 '18 at 10:50
community wiki
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Why shouldn't all functions be async by default?
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First off, thank you for your kind words. It is indeed an awesome feature and I am glad to have...
IE9 border-radius and background gradient bleeding
...nd does not require wrapping with additional elements.
I grabbed a random 20x20 gradient PNG via a web search, and converted it into a data URI using an online tool. The resulting data URI is smaller than the CSS code for all that SVG mess, much less the SVG itself! (You could apply this conditio...
UISegmentedControl below UINavigationbar in iOS 7
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edited Feb 24 '14 at 22:04
answered Feb 24 '14 at 21:56
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