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How the single threaded non blocking IO model works in Node.js
...ks.
After I read the article understanding-the-node-js-event-loop , I'm really confused about it.
It gave an example for the model:
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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.
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马化腾给创业者的3点建议：行业跨界领域最有机会诞生创新 - 资讯 - 清泛网 ...
...不平衡等等。在内地，其实很多学校也是蛮复杂，有很多问题，需要一些明朗的政策支持，可能下面做事情才会更加清晰。正是这次我们看到产学研的成果，我们看到李教授带出来的团队，正是得益于港科大比较清晰的政策，比...
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...
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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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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How does `scp` differ from `rsync`?
... encryption also has a major impact on your transfer speed, as well as the CPU overhead. (My experience is that rsync can be significantly faster than scp.)
Check out this post for when rsync has encryption on.
share
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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...