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A Windows equivalent of the Unix tail command [closed]
...functionality when downloading a tool isn't an option! This code will eat CPU though, as it will continually spin in followup for -f.
– armstrhb
Nov 14 '13 at 16:18
1
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Random shuffling of an array
... one in an object just to do a sort is a bit costly, both in memory and in CPU.
– PhiLho
Jul 11 '14 at 11:11
14
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...rotect against memory overuse and any fork bombs, as well as put a stop to CPU hogs. nice(1) can lower the priority of those programs so that the computer can be used for any tasks that are deemed more important with no problem.
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Why compile Python code?
...n memory consumption? I'm testing Python on embedded devices based on mips cpu with only 64MB of RAM, so is there any advantage in memory usage when starting a compiled version of python script?
– valentt
Sep 14 '14 at 9:44
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What's the difference between hard and soft floating point numbers?
...ree ways to do floating point arithmetic:
Use float instructions if your CPU has a FPU. (fast)
Have your compiler translate floating point arithmetic to integer arithmetic. (slow)
Use float instructions and a CPU with no FPU. Your CPU will generate a exception (Reserved Instruction, Unimplemented ...
Static linking vs dynamic linking
... is usually negligible. Inside the DLL there is some more overhead on i386 CPU's, because they can't generate position independent code. On amd64, jumps can be relative to the program counter, so this is a huge improvement.
2) This is correct. With optimizations guided by profiling you can usually ...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是，devicePixelRatio在不同的浏览器中还存在些许的兼容性问题，所以我们现在还并不能完全信赖这个东西，具体的情况可以看下这篇文章。
devicePixelRatio的测试结果：
三、PPK的关于三个viewport的理论
ppk大神对于移动设备上...
Why is Java's boolean primitive size not defined?
...are managed via your getters and setters. However, you'll pay a penalty in CPU time that is probably bigger than the penalty in memory.
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【PM干货】2015年阿里业务型PM笔试题 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...界面优化方案。
3、淘宝过程中经常存在用户信息泄露的问题，而快递公司必须知道买家的联系方式，淘宝商家利用这个联系方式向用户发送营销信息。
请设计一个流程来改善这个问题，必须包括：
1）分析淘宝卖家、买家和...
How can I use functional programming in the real world? [closed]
...not contain any magic pixie dust that will pass functions off to different CPU's or machines. What F#/Haskell and other functional programming languages do is make it easier for you to write functions that can be processed independent of the thread or CPU they were created on.
I don't feel right po...