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程序员保值的4个秘密 - 杂谈 - 清泛网 - 专注C/C++及内核技术
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算法
大部分程序员其实不懂算法，都是用框架里的模块拼积木。如果你妙悟算法真谛，那你就超越了90%的程序员了，你的重要性和价值将不可估量。
比如你精通图像处理算法，比如你精通视频编解码算法，比如你精通搜索...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...大微博的网页搜索，可见即可抓的方式，结合反监控系统模块模拟人的正常行为操作，搜索30万关键词数据，使资源最大化利用。为了保证在一个小时采集到，需要采用分布式多线程模式抓取，并发采集。并发的时候不能从同一...
技术人员如何创业《一》—— 产品及想法 - 资讯 - 清泛网 - 专注C/C++及内核技术
...后大家分别去实现，自己也不管了，忙着开发自己的功能模块。以我们的经验，最后肯定是个四不像的产品。那意思就是不开发产品了吗？看看电影《社交网络》就知道，扎克伯克其实不仅仅是技术很牛，网站搞瘫了整个哈佛的...
What is the difference between NULL, '\0' and 0?
... zeroes).
string context - the character representing the digit zero has a hex value of 0x30, whereas the NUL character has hex value of 0x00 (used for terminating strings).
These three are always different when you look at the memory:
NULL - 0x00000000 or 0x00000000'00000000 (32 vs 64 bit)
NUL -...
Generating Random Passwords
...method (base 62) is superior than the GUID(base 16) on strength: an 8-char hex string is equivalent to a 4-5 char alphanumeric one
– Jimmy
Sep 10 '08 at 18:51
59
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Verifying signed git commits?
... in raw format in its error output, which has been corrected to give it in hex.
show_one_mergetag: print non-parent in hex form.
When a mergetag names a non-parent, which can occur after a shallow
clone, its hash was previously printed as raw data.
Print it in hex form instead.
Tested...
Change color of PNG image via CSS?
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I found this great codepen example that you insert your hex color value and it returns the needed filter to apply this color to png
CSS filter generator to convert from black to target hex color
for example i needed my png to have the following color #1a9790
then you have to ap...
MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...
...-MCPAN -e 'install Term::ReadKey'
顺便说一下，我在安装某些Perl模块的时候，出现类似下面的错误提示：
Can’t locate object method “install” via package “…”
如果你也遇到了类似的问题，可以进入到Perl命令行安装：
shell> perl -M...
Why does changing the sum order returns a different result?
... 3 numbers are just examples of that fact.
With this program I output the hexadecimal representations of each number and the results of each addition.
public class Main{
public static void main(String args[]) {
double x = 23.53; // Inexact representation
double y = 5.88; // Ine...
How does this milw0rm heap spraying exploit work?
... eb 1a jmp 0x400094
the part that says eb 1a is the hexadecimal representation of the assembly instruction jmp one where "one" is the memory address of your string.
to prep your shellcode for execution open up another text file and store the hex values in a character array. T...