startling

class Set(object):
    """Sets can contain anything, including themselves. This leads to
    paradoxical behavior: given R, the set of all sets that don't contain
    themselves, does R contain R? Here this becomes an infinite recursion.
    """
    def __init__(self, predicate):
        self.predicate = predicate

    def __contains__(self, obj):
        return self.predicate(obj)

nightire

Backbone.js

Simple Starting Point

创建 Model

var Person = Backbone.Model.extend();

kiinlam

正则匹配

匹配中文字符的正则表达式： [\u4e00-\u9fa5] 
评注：匹配中文还真是个头疼的事，有了这个表达式就好办了 

匹配双字节字符(包括汉字在内)：[^\x00-\xff] 
评注：可以用来计算字符串的长度（一个双字节字符长度计2，ASCII字符计1） 

匹配空白行的正则表达式：\n\s*\r 
评注：可以用来删除空白行 

chareice

<?php
use Symfony\Component\Yaml\Yaml;
return Yaml::parse(file_get_contents(base_path().'/resources/lang/zh_cn/validation.yml'));

eernstg

This document is now obsolete, please refer to the current version.

Feature: Generic Function Type Alias

Status: Under implementation.

This document is an informal specification of a feature supporting the definition of function type aliases using a more expressive syntax than the one available today, such that it also covers generic function types. The feature also introduces syntax for specifying function types directly, such

tikidunpon

fun main(args: Array<String>) {
    fun <T> println(message: T) {
        print(Thread.currentThread().stackTrace[2].lineNumber.toString() + "行目 ")
        print(message)
        print("\n")
    }
    println("hi")
}

arrieta

// A simple Lexer meant to demonstrate a few theoretical concepts. It can
// support several parser concepts and is very fast (though speed is not its
// design goal).
//
// J. Arrieta, Nabla Zero Labs
//
// This code is released under the MIT License.
//
// Copyright 2018 Nabla Zero Labs
//

vsraptor

//based on the discussion here https://gist.github.com/aidanhs/5ac9088ca0f6bdd4a370
// Binary tree implementation (simplified)

#![allow(dead_code)]

use std::string::String;
use std::cmp::PartialEq;
use std::cmp::PartialOrd;

struct BinTree<T> {