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Android Archive Library (aar) vs standard jar
..., coming from standard Java development I usually depend on jar files in order to build my project. However it seems that Android has also aar packages, which are the equivalent to the dll files in a Windows OS, as mentioned here :
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How do you use variables in a simple PostgreSQL script?
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Took me a while to figure out that in order to use the variable you must not prefix it with a : as with other variables. @achilles-ram-nakirekanti you could add an example using this in a select statement to make this clearer?
– exhuma
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Gunicorn worker timeout error
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Thanks this is the right answer. And then, in order to save resources with many concurrent connections: pip install gevent , then worker_class gevent in your config file or -k gevent on the command line.
– little_birdie
Jan 5 '16 a...
Postgres NOT in array
...&& and @> require both elements to be arrays, which 3 isn't. In order for this to work, the query would need to be written as: SELECT COUNT(*) FROM "messages" WHERE ARRAY[3] && recipient_ids.
– Dologan
Jun 14 '16 at 13:12
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How do I install a plugin for vim?
...ime files. You can see that set of directories via :set runtimepath?. In order to tell Vim to also look inside ~/.vim/vim-haml you'll want to add
set runtimepath+=$HOME/.vim/vim-haml
to your ~/.vimrc. You'll likely also want the following in your ~/.vimrc to enable all the functionality provid...
UITableView row animation duration and completion callback
...mSelectorOnMainThread:withObject:waitUntilDone:]; in setCompletionBlock in order to call your delegate in next runloop. if you call your delegate directly, without performSelectorOnMainThread, you get old value for tableView.contentSize.
– slamor
Sep 18 '13 at ...
Explicitly select items from a list or tuple
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Maybe a list comprehension is in order:
L = ['a', 'b', 'c', 'd', 'e', 'f']
print [ L[index] for index in [1,3,5] ]
Produces:
['b', 'd', 'f']
Is that what you are looking for?
s...
Should I use @EJB or @Inject
...epend on @EJB's attributes like beanName, lookup or beanInterface) than in order to use @Inject you would need to define a @Producer field or method.
These resources might be helpful to understand the differences between @EJB and @Produces and how to get the best of them:
Antonio Goncalves' blog:
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What can MATLAB do that R cannot do? [closed]
...in a separate Fortran routine that did some intricate pointer juggling in order to manage the interface, I shelved MATLAB.
The R interface consists of calling .Fortran( [subroutine name], [argument list]) and is simply quicker and cleaner.
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Query EC2 tags from within instance
...des them, or add an apt or yum command at the beginning of the script.
In order to access EC2 tags you need a policy like this one in your instance's IAM role:
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "Stmt1409309287000",
"Effect": "Allow",
"Action": [
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