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Detecting iOS / Android Operating system
I've done some research, and this question has come up, but not in the way I intend. I'm building a page for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple...
Ruby on Rails: how to render a string as HTML?
...g raw works fine, but all it's doing is converting the string to a string, and then calling html_safe. When I know I have a string, I prefer calling html_safe directly, because it skips an unnecessary step and makes it clearer what's going on. Details about string-escaping and XSS protection are in ...
PHP function to get the subdomain of a URL
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Error: Strict Standards: Only variables should be passed by reference.
– Justin
Dec 9 '12 at 5:45
1
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$(document).ready shorthand
Is the following shorthand for $(document).ready ?
8 Answers
8
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How does Task become an int?
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Does an implicit conversion occur between Task<> and int?
Nope. This is just part of how async/await works.
Any method declared as async has to have a return type of:
void (avoid if possible)
Task (no result beyond notification of completion/failure)
Task<T> (for...
How to get everything after last slash in a URL?
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You don't need fancy things, just see the string methods in the standard library and you can easily split your url between 'filename' part and the rest:
url.rsplit('/', 1)
So you can get the part you're interested in simply with:
url.rsplit('/', 1)[-1]
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How to make Git pull use rebase by default for all my repositories?
... For finer grained control, this can also be set to never, local or remote and can be set per repository or globally. See git config --help for further details.
3. branch.<branchname>.rebase
Setting this to true means that that particular branch will always pull from its upstream via rebasin...
Likelihood of collision using most significant bits of a UUID in Java
If I'm using Long uuid = UUID.randomUUID().getMostSignificantBits() how likely is it to get a collision. It cuts off the least significant bits, so there is a possibility that you run into a collision, right?
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Opposite of %in%: exclude rows with values specified in a vector
... to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
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How can I get pg_dump to authenticate properly
I have tried using host variable PGPASSWORD and .pgpass and neither of these two will allow me to authenticate to the database. I have chmod 'd .pgpass to appropriate permissions and also tried:
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