huyng

### MATPLOTLIBRC FORMAT

# This is a sample matplotlib configuration file - you can find a copy
# of it on your system in
# site-packages/matplotlib/mpl-data/matplotlibrc.  If you edit it
# there, please note that it will be overridden in your next install.
# If you want to keep a permanent local copy that will not be
# over-written, place it in HOME/.matplotlib/matplotlibrc (unix/linux
# like systems) and C:\Documents and Settings\yourname\.matplotlib
# (win32 systems).

eloyz

# template tag: {% url django.contrib.auth.views.password_reset_confirm uidb36=uidb36 token=token %}
from django.utils.http import int_to_base36
from django.contrib.auth.tokens import default_token_generator
from django.contrib.auth.models import User


user = User.objects.get(pk=1)
context = {
    'uidb36': int_to_base36(user.pk),
    'token' = default_token_generator.make_token(user),    

andrewrcollins

function ltrim(s) { sub(/^[ \t\r\n]+/, "", s); return s }
function rtrim(s) { sub(/[ \t\r\n]+$/, "", s); return s }
function trim(s)  { return rtrim(ltrim(s)); }
BEGIN {
# whatever
}
{
# whatever
}
END {

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

zhenjl

Testing fnv.New64() with size 235886
m = 3391472, n = 235886, k = 10, s = 339148, p = 0.500000, e = 0.001000
Total items: 235886
Bits in partition 0: 170044 (50.1%)
Bits in partition 1: 170171 (50.2%)
Bits in partition 2: 169914 (50.1%)
Bits in partition 3: 170022 (50.1%)
Bits in partition 4: 170144 (50.2%)
Bits in partition 5: 169979 (50.1%)
Bits in partition 6: 170080 (50.1%)

debasishg

General Background and Overview

1. Probabilistic Data Structures for Web Analytics and Data Mining : A great overview of the space of probabilistic data structures and how they are used in approximation algorithm implementation.
2. Models and Issues in Data Stream Systems
3. Philippe Flajolet’s contribution to streaming algorithms : A presentation by Jérémie Lumbroso that visits some of the hostorical perspectives and how it all began with Flajolet
4. Approximate Frequency Counts over Data Streams by Gurmeet Singh Manku & Rajeev Motwani : One of the early papers on the subject.
5. [Methods for Finding Frequent Items in Data Streams](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.187.9800&rep=rep1&t

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

josephabrahams

[diff]
    tool = Kaleidoscope
[difftool]
    prompt = false
[difftool "Kaleidoscope"]
    cmd = ksdiff --partial-changeset --relative-path \"$MERGED\" -- \"$LOCAL\" \"$REMOTE\"
[merge]
    tool = Kaleidoscope
    keepBackup = false
[mergetool]

alganet

#!/usr/bin/env sh
# serve.sh
# Modular version: https://gist.github.com/alganet/a22a1373dcee7c175d1e

# Expansion on zsh
command -v setopt 2>&1 >/dev/null && setopt SH_WORD_SPLIT
# POSIX on bash
export POSIXLY_CORRECT=1

# Lists files and folders as HTML