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Does it make sense to do “try-finally” without “catch”?
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commonly used with locks as in: lock.lock(); try { /* locked */ } finally { lock.unlock() }
– mins
Mar 13 '14 at 6:02
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SQLite table constraint - unique on multiple columns
... It seems that adding UNIQUE(i, j) to the create statement is completely ignored on android. It creates the table, but leaves off the UNIQUE constraint. I was only able to do this by using an index.
– gattsbr
Aug 11 at 14:55
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How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
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Concurrent.futures vs Multiprocessing in Python 3
...thon 3.2 introduced Concurrent Futures , which appear to be some advanced combination of the older threading and multiprocessing modules.
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Installing Bower on Ubuntu
...udo npm install -g bower I get the following after issuing bower on the command line:
8 Answers
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How do I get the entity that represents the current user in Symfony2?
...ervice via auto-wiring in the controller like this:
<?php
use Symfony\Component\Security\Core\Security;
class SomeClass
{
/**
* @var Security
*/
private $security;
public function __construct(Security $security)
{
$this->security = $security;
}
pub...
How do I make this file.sh executable via double click?
...script that will execute in Terminal when you open it, name it with the “command” extension, e.g., file.command. By default, these are sent to Terminal, which will execute the file as a shell script.
You will also need to ensure the file is executable, e.g.:
chmod +x file.command
Without thi...
How to request Google to re-crawl my website? [closed]
...one is using the Fetch as Google option in Webmaster Tools that Mike Flynn commented about. Here are detailed instructions:
Go to: https://www.google.com/webmasters/tools/ and log in
If you haven't already, add and verify the site with the "Add a Site" button
Click on the site name for the one yo...
How do you remove duplicates from a list whilst preserving order?
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Here you have some alternatives: http://www.peterbe.com/plog/uniqifiers-benchmark
Fastest one:
def f7(seq):
seen = set()
seen_add = seen.add
return [x for x in seq if not (x in seen or seen_add(x))]
Why assign seen.add to seen_add instead of just calling seen.a...
Is MATLAB OOP slow or am I doing something wrong?
...functions and methods. Here are some typical results.
>> call_nops
Computer: PCWIN Release: 2009b
Calling each function/method 100000 times
nop() function: 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunction: ...