ur001

/**
 * Асинхронная очередь с локами на чтение/запись
 */
class Queue {
    constructor() {
        this.queue = [];
        this.readLock = new Lock();
        this.writeLock = new Lock();
        this.setEmpty();
    }

tevino

#!/usr/bin/env bash

ENV_PATH="$(dirname "$(dirname "$(which pip)")")"
SYSTEM_VIRTUALENV="$(which -a virtualenv|tail -1)"

BAD_ENV_PATHS="/usr/local"

echo "Ensure the root of the broken virtualenv:"
echo "    $ENV_PATH"

ur001

def track_field_changes(only=None, exclude=()):
    """
    Django models decorator for tracking fields changes

        :only: fields to track for changes (all otherwise)
        :exclude: fields to exclude from tracking

    Adds to model instance:
        get_old_value(field_name) — old value of given field
        is_changed(field_name=None) — is any field (or given field) is changed