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What is the difference between square brackets and parentheses in a regex?
...uestion uses keyword var in code, this probably is JavaScript). The use of php which runs on PCRE for preg matching will optimize away the lack of backtracking, however we're not in PHP either, so using classes [] instead of alternations | gives performance bonus as the match does not backtrack, and...
Get list of all routes defined in the Flask app
... None else ()
return len(defaults) >= len(arguments)
@app.route("/site-map")
def site_map():
links = []
for rule in app.url_map.iter_rules():
# Filter out rules we can't navigate to in a browser
# and rules that require parameters
if "GET" in rule.methods and...
How do I use installed packages in PyCharm?
... some reasone I had to add the parrent directory: /usr/local/lib/python2.7/sitepackages instead of .../sitepackages/gnuradio as expected. Doesn't make much sense. However ,now I'm getting more errors referencing shared libraries:
– smurff
Nov 10 '13 at 15:21
...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
... people with something in common together, and keeping people with extreme opposite views at separate tables.
I ran it several times. Each time, I got nine good tables, and one with all the odd balls. In the end, my wife did the seating assignments.
My traveling salesman optimizer used a novel m...
iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
... interacted with them. So, basically, in landscape orientation, half of my site that was offscreen was not being shown. This is a iPad web app, owing to which I was in a fix.
Applying translate3d to relatively positioned elements solved the problem for those elements, but other elements stopped ren...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...have distinctly un-uniform output.
Inspired by this article about how bad php's rand() function is, I made some random matrix images using QuickRandom and System.Random. This run shows how sometimes the seed can have a bad effect (in this case favouring lower numbers) where as System.Random is pret...
How to read a single character from the user?
...
Here's a link to a site that says how you can read a single character in Windows, Linux and OSX: http://code.activestate.com/recipes/134892/
class _Getch:
"""Gets a single character from standard input. Does not echo to the
screen."""
...
IE9 border-radius and background gradient bleeding
...
nice trick but i have gradients all over the site. i can't change all of them for stupid ie.
– Mehmet Fatih Yıldız
Mar 20 '13 at 19:13
add a co...
What is setup.py?
...velop
This command will create symlinks to the source directory within site-packages instead of copying things. Because of this, it is quite fast (particularly for large packages).
Creating setup.py
If you have your package tree like,
foo
├── foo
│ ├── data_struct.py...
Twitter bootstrap modal-backdrop doesn't disappear
...ou're implementing it wrong. I think the boilerplate HTML on the bootstrap site is a little incomplete and that's why many people are experiencing the described behavior (incl. me). Thanks! +1
– Ben Fransen
Mar 6 '16 at 19:34
...