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Why is “except: pass” a bad programming practice?
...y to avoid passing in except blocks. Unless explicitly desired, this is usually not a good sign.
But let’s go into detail:
Don’t catch any error
When using a try block, you usually do this because you know that there is a chance of an exception being thrown. As such, you also already have an...
What's the use of Jade or Handlebars when writing AngularJs apps
...tensibility. Jade is hardly "easier to parse" than HTML. They are but trivially different, while Jade adds another level of indirection - best avoided.
There is one valid, specialised case for server-side templating: Optimisation, remembering that premature optimisation is generally a Bad Thing. Wh...
How to create GUID / UUID?
I'm trying to create globally-unique identifiers in JavaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc.
...
How is Docker different from a virtual machine?
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Docker originally used LinuX Containers (LXC), but later switched to runC (formerly known as libcontainer), which runs in the same operating system as its host. This allows it to share a lot of the host operating system resources. Also, i...
技术和资本玩转创客圈 英特尔在中国的动作才刚刚开始 - 资讯 - 清泛网 - 专...
...2月的终极加速和路演,其中既有关注环保、医疗等社会问题的“智慧低碳社区”、“医院罗盘”项目,又有提升智能生活体验的“完美幻境”、“智能行车记录仪”、“图传机械臂”等智能硬件。
这些项目大多有一个特点——...
Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...哇,就一行代码啊,很爽吧~
爽完了,我们就来看看反射问题吧。因为不是系统给出的api,所以谷歌在不同的版本上用了不同的方法名来做处理,用反射的话我们就必须进行版本的判断,这是需要注意的,此外反射在性能方面确...
What data type to use for hashed password field and what length?
...l be unique per user. However, any known salt makes the hash cryptographically weaker than if there were no known salt. A salt only adds value if it is also unknown.
– fijiaaron
May 18 '12 at 13:39
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What REALLY happens when you don't free after malloc?
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Just about every modern operating system will recover all the allocated memory space after a program exits. The only exception I can think of might be something like Palm OS where the program's static storage and runtime memory are pretty much the same thing, so not freeing mig...
How does LMAX's disruptor pattern work?
...as an extremely large array to take advantage of cache locality, eliminate allocation of new memory.
5 Answers
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...支持重启恢复,页面里摘出核心代码讲清思路,并附常见问题。其余搜索在下方「搜索词速查」里直接指到已有教程。
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