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What is the proper way to use the node.js postgresql module?
I am writing a node.js app on Heroku and using the pg module . I can't figure out the "right" way to get a client object for each request that I need to query the database.
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jQuery document.ready vs self calling anonymous function
... answered Jul 15 '10 at 20:06
jAndyjAndy
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GIT: Checkout to a specific folder
...xport")?
You can use git checkout-index for that, this is a low level command, if you want to export everything, you can use -a,
git checkout-index -a -f --prefix=/destination/path/
To quote the man pages:
The final "/" [on the prefix] is important. The exported name is literally just prefix...
performSelector may cause a leak because its selector is unknown
...s for a reason. It's very rare that this warning should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_contr...
How do I get a file extension in PHP?
...ys think theirs is better because they have a built-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you ...
Is it safe to assume a GUID will always be unique?
...h. There are so many GUIDs that if you generate several trillion of them randomly, you're still more likely to get hit by a meteorite than to have even one collision (from Wikipedia). And if you aren't generating them randomly, but are e.g. using the MAC-address-and-time-stamp algorithm, then they...
Permanently adding a file path to sys.path in Python
...m various other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
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Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
...Compile->Advanced Compile Options...' (at the bottom of the window tab) and then 'Target CPU' (x86)
– Rodolfo
Jun 27 '11 at 15:56
1
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How do you change Background for a Button MouseOver in WPF?
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@C-F the reason for this is the standard Button style has triggers inside ControlTemplate, so they override OP's Style triggers.
– torvin
Sep 22 '15 at 2:01
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How to execute file I'm editing in Vi(m)
How to execute file that I'm editing in Vi(m) and get output in split window (like in SciTE)?
13 Answers
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