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Technically, why are processes in Erlang more efficient than OS threads?
...d FPU registers, address space mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as necessary. This permits the spawning of many thousands — even millions — of Erlang processes without sucking up all available RAM.
Erlang used to be single-threade...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...所占内存的大小？今日，在项目重构的时候忽然想到一个问题，一个类哪些成员的增加，会影响一个类所占内存的大小？C#有没有办法知道一个对象占多少内存呢？ ...今日，在项目重构的时候忽然想到一个问题，一个类哪些成员...
小端模式 和 大端模式的决定因素 - C/C++ - 清泛网 - 专注C/C++及内核技术
...和 大端模式的决定因素小端模式 和 大端模式：几乎是由CPU决定的，而非OS或编译器。大端模式和小端模式的区别这里暂不讨论，这里讨论他们是由操作系统、CPU还是编译器决定的呢？
通常来讲，可能大多数人认为是操作系统...
How to free memory in Java?
...
Java uses managed memory, so the only way you can allocate memory is by using the new operator, and the only way you can deallocate memory is by relying on the garbage collector.
This memory management whitepaper (PDF) may help explain what's going on.
You can also call Sy...
Getter and Setter?
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That's not really setter and getter. Typically I need for each property different implementation of getter!
– sumid
Feb 16 '13 at 0:59
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程序员羊皮卷下载版.pdf - 文档下载 - 清泛网 - 专注C/C++及内核技术
...救世主
20 第2 章 四招找到好工作
20 求职中的心理健康问题
20 大专生求职受歧视
21 这世界并不亏欠我们什么
23 求职中的正确态度
24 面试前充分准备
24 专注于真正的机会
25 五个步骤查实公司信息
26 筛选重点应聘目标
27 ...
Why prefer two's complement over sign-and-magnitude for signed numbers?
...o add them.
Two's complement addition is very simple. You add numbers normally and any carry bit at the end is discarded. So they're added as follows:
0010
+ 1111
=10001
= 0001 (discard the carry)
0001 is 1, which is the expected result of "2+(-1)".
But in your "intuitive" method, adding is m...
Controlling fps with requestAnimationFrame?
...isk of making my animation choppy, but right now it seems to run at drastically different speeds pretty arbitrarily, and I'm wondering if there's a way to combat that somehow.
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pythonic way to do something N times without an index variable?
...tion a million times, let's allocate a list of a million items too. If the CPU is working, shouldn't also the memory get stressed a little? The answer cannot be characterized as definitely “not useful” (it's showing a different, functioning approach) so I can't downvote, but I disagree and I'm t...
How can I use functional programming in the real world? [closed]
...ey avoid bugs by eliminating state, but also because they can be easily parallelized automatically for you, without you having to worry about the thread count.
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