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melekes /
Last active Aug 29, 2015
Writing to HBase From Hadoop Mapper
public class AvgTemperatureDriver extends Configured implements Tool {
public int run(String[] args) throws Exception {
Job job = new Job(getConf(), "Avg temperature");
Scan scan = new Scan();
melekes / Makefile
Last active Aug 29, 2015
Makefile for erlang projects
View Makefile
.PHONY: all compile deps clean distclean test docs xref dialyzer \
REBAR = `which rebar || ./script/rebar`
all: deps compile
compile: deps
@$(REBAR) compile
melekes / latency.txt
Created Dec 2, 2015 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
View latency.txt
Latency Comparison Numbers
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
Send 1K bytes over 1 Gbps network 10,000 ns 0.01 ms
Read 4K randomly from SSD* 150,000 ns 0.15 ms
melekes / companies.rb
Created Nov 13, 2013
Writing tests using FactoryGirl and validating presence of nested attributes ( P.S. code not tested
View companies.rb
require 'factory_girl'
FactoryGirl.define do
factory :company do
name "Twitter Corp."
before(:create) do |company, evaluator|
offices_attributes = []
3.times do # 3 offices per company
offices_attributes << attributes_for(:office)
melekes /
Created Aug 30, 2013
Yet another Google Calendar Dashing widget

Yet another Google Calendar Dashing widget

Yet another Google Calendar Dashing widget


Dashing widget to display first two coming-up Google Calendar events.

Basically, you do not need more than two events on your dashboard, but it can be easily extended to the neighboring cells and show, say, 4 events instead of 2.

melekes /
Last active Jul 18, 2016
Wavegirls Dashing widget




Dashing widget to display random girls. Check out this video to see how it works.


melekes /
Last active Aug 11, 2016
How to learn any language in six months | Chris Lonsdale | TEDxLingnanUniversity

Краткое содержание


  1. Фокусируйте внимание на контенте, имеющем для вас какое-то значение
  2. Используйте язык как средство для коммуникации начиная с первого дня
  3. Если вы сначала поймёте то, что вам хотели сказать, то вы начинаете овладевать языком бессознательно (comprehensive input)
  4. Изучение нового языка - это также тренировка тела (правильное произношение зависит от мышц)
melekes / Makefile
Created Mar 21, 2014
Colored Makefile for Golang projects
View Makefile
DEPS = $(go list -f '{{range .TestImports}}{{.}} {{end}}' ./...)
@echo "$(OK_COLOR)==> Installing dependencies$(NO_COLOR)"
@go get -d -v ./...
@echo $(DEPS) | xargs -n1 go get -d

Any other languages or suggestions? Comment below.

.NET (C#, F#, VB)


  • Factcheck -- requires a test framework (I like pytest), I wrote it (benefits - you can ask me about it, drawbacks - it's not very mature). Can be installed from PyPI with Pip or easy_install.
  • Hypothesis -- requires a test framework, provides decorators for easy integration

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