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How can I check if an ip is in a network in Python?
...
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...
Search and replace in bash using regular expressions
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Thanks so much! Out of curiosity, why did you switch from a one line version (in your original answer) to a two-liner?
– Lanaru
Oct 24 '12 at 5:30
9
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Check play state of AVPlayer
...gBlock: or addBoundaryTimeObserverForTimes:queue:usingBlock:.
Example is from Apple:
// Assume a property: @property (retain) id playerObserver;
Float64 durationSeconds = CMTimeGetSeconds([<#An asset#> duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime se...
grep without showing path/file:line
... grep and only return the matching line? i.e. The path/filename is omitted from the results.
3 Answers
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What is the purpose of the EBP frame pointer register?
...sitive offsets.)
The idea that it is preventing a perfectly good register from being used in optimization raises the question: when and where is optimization actually worthwhile?
Optimization is only worthwhile in tight loops that 1) do not call functions, 2) where the program counter spends a sig...
How do you iterate through every file/directory recursively in standard C++?
...entation as close as possible to the standard.
An example, taken straight from the website:
bool find_file( const path & dir_path, // in this directory,
const std::string & file_name, // search for this name,
path & path_found ) // pla...
ipython: print complete history (not just current session)
...%hist or %history to print recent history, but this only prints history from current session.
3 Answers
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