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What's the best way to parse command line arguments? [closed]
...etter structured and simpler to extend later on.
Here's a typical line to add an option to your parser:
parser.add_option('-q', '--query',
action="store", dest="query",
help="query string", default="spam")
It pretty much speaks for itself; at processing time, it will acce...
round() for float in C++
...
schibumschibum
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How to add a border just on the top side of a UIView
...consider subclassing UIView and overriding drawRect overkill here. Why not add an extension on UIView and add border subviews?
@discardableResult
func addBorders(edges: UIRectEdge,
color: UIColor,
inset: CGFloat = 0.0,
thickness: CGFloat = 1.0) -> ...
When and why I should use session_regenerate_id()?
...n in php?
Should I always use it after I use the session_start() ?
I've read that I have to use it to prevent session fixation, is this the only reason?
...
Detect URLs in text with JavaScript
...s URL normalizes to "///"
which is the equivalent.
Something like "bad://///worse/////"
is perfectly valid. Dumb but valid.
Anyway, this answer is not meant to give you the best regex but rather a proof of how to do the string wrapping inside the text, with JavaScript.
OK so lets just u...
Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...be some kind of authoritative script that everyone used, but I'm finding loads of different projects all with their own implementations.
...
What is monkey patching?
...nkey-patched replacement rather than the original -- which can be good or bad. Just beware.
If some variable or attribute exists that also points to the get_data function by the time you replace it, this alias will not change its meaning and will continue to point to the original get_data. (Why? Py...
How to vertically align an image inside a div
...mind using Internet Explorer expressions, you can use a pseudo-element and add it to Internet Explorer using a convenient Expression, that runs only once per element, so there won't be any performance issues:
The solution with :before and expression() for Internet Explorer: http://jsfiddle.net/kizu...
Go build: “Cannot find package” (even though GOPATH is set)
...r.go to $GOPATH/src/foobar/foobar.go and building should work just fine.
Additional recommended steps:
Add $GOPATH/bin to your $PATH by: PATH="$GOPATH/bin:$PATH"
Move main.go to a subfolder of $GOPATH/src, e.g. $GOPATH/src/test
go install test should now create an executable in $GOPATH/bin that ...
PostgreSQL Crosstab Query
...
Install the additional module tablefunc once per database, which provides the function crosstab(). Since Postgres 9.1 you can use CREATE EXTENSION for that:
CREATE EXTENSION IF NOT EXISTS tablefunc;
Improved test case
CREATE TABLE tb...