每个程序员都该了解的基础知识

If it's not tested, it doesn't work. 代码不做测试就不会正常

Source control is your friend - make sure you use it.源代码控制是你的伙伴，确定你用了它

Just because you wrote it doesn't mean you own it — don't be offended if someone else on your team has to change your code.你写的代码不属于你，所以当团队里的其他人改了的时候，不要生气

Don't reinvent the wheel, library code is there to help.不要重复造轮子，类库它不香嘛

The fastest code is code that's never executed — look for early outs.最快的代码是那些从不执行的代码，尽早早跳出循环

Just because you didn't write it doesn't mean it's crap.不是你写的代码，不意味着那是垃圾

Source code is just a hint to the compiler about what you want to do, it won't necessarily do it (e.g. You might declare a function as inline but the compiler doesn't have to obey).源代码把你想做的事情提示给编译器，但编译器可能不会按字面意思照做

Code that's hard to understand is hard to maintain.难以理解的代码，难以维护

Code that's hard to maintain is next to useless.难以维护的代码很快就会变成垃圾

“Whilst I'm editing this file I’ll just…” is a great way to introduce feature creep and bugs.当我编辑这个文件时，就会.... 是一个介绍功能错误的好方式

The neater your code layout, the easier it is to read. The easier it is to read, the easier it is to understand and maintain.越整洁的代码布局，越容易阅读和维护

Code is not self documenting. Help others by adding comments to guide them. You may understand it now but what about in 5 years time?代码不是一个人的，给它加上注释以帮助和引导他人，你现在可能记得它的逻辑，五年后呢

Bad Code can and will come back to haunt you.垃圾代码总能回来搞你心态你

There is no such thing as a 5 minute job. It'll always take at least half a day.没有那么多5分钟的工作，工作总是要花半天时间

Magic numbers are bad.魔数是如此的垃圾

Constants don't take up storage, they're compile time text substitutions.常量不占用存储空间，编译的时候会被替换

Project management will always want you to do twice as much in half the time.项目管理总想让你事倍功半，然而那是想🍑，他们自己咋不试试

If there is a bug, the user will find it.如果你的代码有bug的话，用户总会找到它

A code review is not a criticism.代码评审不是批评

It's not the quantity of code that matters, it's the quality. Any idiot can bang out 40kloc but that doesn't make it fit for purpose.代码质量比代码数量重要的多，一个笨蛋也能举起40kloc，但是那不是目的

The true cost of poorly written code is in the maintenance.垃圾代码的成本在于维护

Eat your own dog food — fixing bugs in your own code helps you code better and improves your understanding.吃自己的狗粮，改自己的代码能让你变得更好，并且提高你对代码的理解

Code rots over time.代码是会腐烂的，你要常看看它

If the user didn't ask for a feature, don't add it.用户没要求，不要🦐🐔做

If it's not tested, it doesn't work (yes, I know I've included that twice but it's really important).最重要的一条，如果你不测试，那你死定了

Bad architecture causes more problems than bad code.烂架构比烂代码差劲多了

You will spend more time thinking than coding.多想少写，先想再写

The best programmers are always building things.最好的程序员总是在写代码

There’s always a better way.总是有更好的方法

Code reviews by your peers will make all of you better.同辈代码评审会使你们都变得更好

Fewer features for better code is always the right answer in the end.最终你会明白少就是多的真正含义

Always know how your business makes money, that determines who gets paid what.总是知道你们的商业模式，那决定着谁付钱

If you want to feel important as a software developer, work at a tech company.作为程序员你想获得尊重，你就要去技术公司