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How do I have an enum bound combobox with custom string formatting for enum values?
...r display names without much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and use reflection to read attributes on your enum fields.
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Recursion or Iteration?
...ml
Link 2: Mastering Recursion
Most of recursion's bad reputation comes from the high costs and inefficiency in imperative languages. The author of this article talks about how to optimize recursive algorithms to make them faster and more efficient. He also goes over how to convert a traditiona...
How do I set the version information for an existing .exe, .dll?
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rcedit is relative new and works well from the command line: https://github.com/atom/rcedit
$ rcedit "path-to-exe-or-dll" --set-version-string "Comments" "This is an exe"
$ rcedit "path-to-exe-or-dll" --set-file-version "10.7"
$ rcedit "path-to-exe-or-dll" --set...
plot a circle with pyplot
...nd since the limits have never been set, they defaults to an x and y range from 0 to 1.
Here's a continuation of the example, showing how units matter:
circle1 = plt.Circle((0, 0), 2, color='r')
# now make a circle with no fill, which is good for hi-lighting key results
circle2 = plt.Circle((5, 5)...
What's the difference between using CGFloat and float?
...a double on 64-bit systems. However, the decision to do that was inherited from OS X, where it was made based on the performance characteristics of early PowerPC CPUs. In other words, you should not think that float is for 32-bit CPUs and double is for 64-bit CPUs. (I believe, Apple's ARM processors...
Link to “pin it” on pinterest without generating a button
...: "At this point, I’m just going to copy & paste from another post because… time." -- obviously less than ideal.
– Imperative
Feb 24 '15 at 1:11
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How can I check if an ip is in a network in Python?
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I like to use netaddr for that:
from netaddr import CIDR, IP
if IP("192.168.0.1") in CIDR("192.168.0.0/24"):
print "Yay!"
As arno_v pointed out in the comments, new version of netaddr does it like this:
from netaddr import IPNetwork, IPAddress
if IP...
Testing modules in rspec
... solution in rspec homepage. Apparently it supports shared example groups. From https://www.relishapp.com/rspec/rspec-core/v/2-13/docs/example-groups/shared-examples!
Shared Example Groups
You can create shared example groups
and include those groups into other
groups.
Suppose you ...
Prevent automatic browser scroll on refresh
...ing and then remove the bound event. This prevents subsequent page scrolls from borking the system.
$(document).ready(function() {
if (window.location.hash) {
//bind to scroll function
$(document).scroll( function() {
var hash = window.location.hash
var ...
How to dynamically change a web page's title?
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I want to say hello from the future :) Things that happened recently:
Google now runs javascript that is on your website1
People now use things like React.js, Ember and Angular to run complex javascript tasks on the page and it's still getting...