AnIrishDuck

import fcntl
from contextlib import contextmanager

@contextmanager
def flocked(fd):
    """ Locks FD before entering the context, always releasing the lock. """
    try:
        fcntl.flock(fd, fcntl.LOCK_EX)
        yield
    finally:

jhjguxin

Git 比较不同版本文件差异的常用命令格式：

git diff                                       查看尚未暂存的文件更新了哪些部分

git diff filename 查看尚未暂存的某个文件更新了哪些

git diff –cached                    查看已经暂存起来的文件和上次提交的版本之间的差异

git diff –cached filename 查看已经暂存起来的某个文件和上次提交的版本之间的差异

sigilioso

# -*- coding: utf-8 -*-

import Image

def resize_and_crop(img_path, modified_path, size, crop_type='top'):
    """
    Resize and crop an image to fit the specified size.

    args:
        img_path: path for the image to resize.

troelskn

require 'gollum/frontend/app'
require 'digest/sha1'

class App < Precious::App
  User = Struct.new(:name, :email, :password_hash, :can_write)

  before { authenticate! }
  before /^\/(edit|create|delete|livepreview|revert)/ do authorize_write! ; end

  helpers do

playpauseandstop

import datetime

from django.conf import settings
from django.contrib.auth import logout
from django.contrib.auth.models import User
from django.contrib.sessions.models import Session
from django.http import HttpRequest
from django.utils.importlib import import_module

ishikawa

# Y Combinator in Python
# See <http://d.hatena.ne.jp/nowokay/20090409#1239268405>

true  = lambda x: lambda y: x
false = lambda x: lambda y: y

# `bool` to `true|false`
#
# >>> boolean(3 < 4)(2)(5)
# 2