php calling scope】的更多相关文章

昨天在Yaf交流群, 大草原同学批评我变懒了, Blog很久没更新了, 今天刚好有人在Segmentfalut上问了我一个问题,  我在微博上也做了简单的解答, 不过感觉一句话说不清楚, 就写篇blog凑个数吧.  问题在这里,  因为太长, 我就不copy过来了: 这是php中__call和__callStatic在被继承后会产生的bug? 这个问题乍看, 确实很容易让人迷惑, 但实际上, 造成这样的误解的根本原因在于: 在PHP中, 判断静态与否不是靠”::”(PAAMAYIM_NEKUDO…
今天在群里发现有人说,PHP可以用::调用非静态方法,一致没这么试过,发现了鸟哥的blog写了这个问题的具体解释,就搬过来: 这个问题乍看, 确实很容易让人迷惑, 但实际上, 造成这样的误解的根本原因在于: 在PHP中, 判断静态与否不是靠”::”(PAAMAYIM_NEKUDOTAYIM)符号, 而是靠calling scope. 那么, 什么是calling scope? 在PHP中, 调用一个方法的时候, $this指针指向的对象就是这个方法被调用时刻的calling scope. 对于下…
---------------------------Scope-------------------------------- https://docs.angularjs.org/guide/scope What are Scopes? Scope is an object that refers to the application model. It is an execution context for expressions. Scopes are arranged in hiera…
---------------------------Scope-------------------------------- https://docs.angularjs.org/guide/scope What are Scopes? Scope is an object(是一个数据模型) that refers to the application model. It is an execution context(scope是表达式的执行上下文) for expressions. Sc…
搜集这些题目是想在学习PHP方面知识有更感性的认识,单纯看书的话会很容易看后就忘记. 曾经看过数据结构.设计模式.HTTP等方面的书籍,但是基本看完后就是看完了,没有然后了,随着时间的推移,也就渐渐忘记了. 所以通过这次搜集题目,可以复习复习一些知识点.而且自己动手写写,动脑思考,能更好的记住这些知识点. 留份记录也方便以后自己查看.题目基本都来自网络,如果有不正确的地方欢迎指出或补充. 一.理论知识 1.1.PHP里面是区分大小写的吗? PHP对于系统函数.用户自定义函数.类名称等是不区分大小…
AngularJS is a huge framework with that already has many performance enhancements built in, but they can’t solve all our problems. No matter how fast the framework, we can all create sluggish code through bad practices and not understanding key conce…
Exploring Python Code Objects https://late.am/post/2012/03/26/exploring-python-code-objects.html Inspired by David Beazley's Keynote at PyCon, I've been digging around in code objects in Python lately. I don't have a particular axe to grind, nor some…
时间:2014年12月15日 14:15:10 /** * @license AngularJS v1.3.0-beta.15 * (c) 2010-2014 Google, Inc. http://angularjs.org * License: MIT */ (function(window, document, undefined) {'use strict'; /** * @description * * This object provides a utility for produc…
原文:http://blog.mgechev.com/2015/03/09/build-learn-your-own-light-lightweight-angularjs/ Build Your own Simplified AngularJS in 200 Lines of JavaScript Edit My practice proved that there are two good/easy ways to learn a new technology: Re-implement i…
Scopes作用域 Scoping allows you to define commonly used queries that you can easily use later. Scopes can include all the same attributes as regular finders, where, include, limit etc. Scoping允许你去定义普遍使用的查询,这样你之后就能够简单使用.Scopes能够像一般的查询器一样包含 where, include…