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互联网数据造假盛行 浮夸风伤害创新经济 - 资讯 - 清泛网 - 专注C/C++及内核技术
...今年3月同样公开指出，IT产业与互联网产业存在很大诚信问题，出现严重的数据造假，甚至出现“税前营业额”这种奇怪的名词。
数据造假乱象
本应艰辛励志的创业故事开始变得浮躁起来，数据造假和各种谎言在互联网行业...
Boolean vs boolean in Java
... in Compilation and Runtime (a bit far going but almost as instanceof vs. getClass()).
Finally, autoboxing is slower than primitives
Note the fact that Java can do autoboxing is just a "syntactic sugar". It does not speed up anything, just allows you to write less code. That's it. Casting and wra...
Why do you not use C for your web apps?
...buffer overflows, having a compile stage between the edit and test stages, etc).
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What is the optimal length for user password salt? [closed]
...pical three strikes locked out for 15 minutes is better. Are you "wasting" CPU cycles to do this? Yeah, whatever. The CPU spends more time idle than not on most websites anyway, so what does it matter? If you're running into performance issues, scale out.
– Randolpho
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Maximum number of threads per process in Linux?
.../100k-pthread-create-app
2018 update from @Thomas, on systemd systems:
/etc/systemd/logind.conf: UserTasksMax=100000
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Return a `struct` from a function in C
...behaviour with respect to pass-by-value for parameter passing, assignment, etc.:
#include <stdio.h>
int f(int x)
{
int r = x;
return r;
}
int main(void)
{
int x = 12;
int y = f(x);
printf("%d\n", y);
return 0;
}
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MVC演化史 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...辑的处理。
Application Model MVC虽然看似解决了复杂逻辑的问题，但它仍然存在硬伤：
首先随着以微软视窗为主的图形化操作系统的兴起，操作系统本身提供了一套原生的View接口，用来截获用户通过鼠标或键盘发出的请求，结果...
How do I use Java to read from a file that is actively being written to?
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This code consumes a lot of CPU because the loop does not have a thread.sleep call in it. Without adding a small amount of delay this code tends to keep the CPU very busy.
– ChaitanyaBhatt
May 11 '17 at 22:31
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Difference between CLOCK_REALTIME and CLOCK_MONOTONIC?
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"tick" -- any rough idea how big/long/CPU instructions is a tick on Linux/amd64? Or where I can get docs on any of this?
– kevinarpe
Dec 22 '14 at 3:58
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Should I embed images as data/base64 in CSS or HTML
...a terrible strain on the server's resources! Images are traditionally very CPU intensive to compress, with very little reduction in size.
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