2015-05-26 628 Code-Tuning Techniques ——Even though a particular technique generally represents poor coding practice, specific circumstances might make it the best one to use. ——One key to writing effective loops is to minimize the work don…
2015-03-06 328 Unusual Data Types ——You can carry this technique to extremes,putting all the variables in your program into one big,juicy variable and then passingit everywhere.Careful programmers avoid bundling data any more than is logically…
http://www.agner.org/optimize/#manuals 阅读笔记Optimizing software in C++ 7. The efficiency of different C++ constructs 栈的速度快是因为,总是反复访问同一段地址,如果没有大的数组,肯定实在L1 cahce中. 全局静态区,global,static变量,float constants, string constants, array initializer lists,switch…
三.源代码阅读 3.元素包括containsKey(Object key) /** * Returns <tt>true</tt> if this map contains a mapping for the * specified key. * * @param key The key whose presence in this map is to be tested * @return <tt>true</tt> if this map contain…
阅读笔记——<How a Facebook rejection pushed me to start and grow a profitable business in 12 months> 作者:一只年轻的猫 日期:2019年11月24日 简介 作者,一个有着不错薪水的CTO(I was and still am the Data CTO).收到了FaceBook的面试邀请,参加了,但是第二轮淘汰了,随后决定找回自己的编程技能,于是利用闲暇时间制作了pixelixe.com网站,一个图片编辑…
