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https://www.tsingfun.com/ilife/life/1842.html 

为什么你有10年经验,但成不了专家? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...家。 任何一个工作10年的人都很有经验,但是他们大部并没有做到领域内专家。 NSEAD商学院有一项研究发现:比起只有少量经验的人,大体而言,更有经验的管理者并没有产生高效的效果。 天赋也不能让你成为专家。 即使...
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How can I get the diff between all the commits that occurred between two dates with Git?

...og --pretty="format:%H" --since="1 day ago");git diff $(echo "$revs"|tail -n1) $(echo "$revs"|head -n1) works somehow, but seems complicated and does not restrict to the current branch. Finally: git diff $(git rev-list -n1 --before="1 day ago" master) seems to work and a default way to do simil...
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string

...uld be of the order of the square of the number of 1s in it: that's 4k ≈ n1.26 which unfortunately is asymptotically much larger than (n log n). In fact, the worst case is even worse: Leo Moser in 1953 constructed (effectively) such strings which have n1-c/√(log n) 1s in them but no evenly space...
https://www.tsingfun.com/down/ebook/44.html 

淘宝技术这十年,完整最终确认版PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术

...这十年,完整最终确认版PDF淘宝技术 十年目录:第一部 淘宝技术发展1 1引言:光棍节的狂欢 2个人网站 12第二部 淘宝技术发展2 29Java时代 30创造技术 ...目录: 第一部 淘宝技术发展1 / 1 引言:光棍节的狂欢...
https://www.tsingfun.com/it/cpp/2161.html 

socket网络编程中read与recv区别 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 与 recv 区别read 原则:数据在不超过指定的长度的时候有多少多少,没有数据则会一直等待。所以一般情况下:我们读取数据都...1、read 与 recv 区别 read 原则: 数据在不超过指定的长度的时候有多少多少,没有数据则会一...
https://www.tsingfun.com/ilife/life/1860.html 

手头的幸福 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...看;你手头有的福,你没有享。是啊,我想说的是,我们多少人,在人生的这一刻,不正活在这人世间最美的至境中吗?可是,又有多少人,意识到了这一点,感受到了这一点?于是,多少眼前的美景被辜负了,多少手头的幸福...
https://www.tsingfun.com/it/tech/2281.html 

探讨nginx与php-fpm是不是以多进程多线程方式运行的 - 更多技术 - 清泛网 -...

...多线程方式运行的Nginx在nginx的配置文件中可以设置开启多少个nginx进程,如下:worker_processes 2;同时也可以设置每个进程的最大连接数,如下:worker_co Nginx 在nginx的配置文件中可以设置开启多少个nginx进程,如下: worker_processes...
https://www.tsingfun.com/it/tech/899.html 

如何抓住痛点做出让用户尖叫的产品 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...是国内的还是国外的,只要模式够好,用户喜欢,不需要多少时间,一大波非常类似的产品...在中国的互联网行业环境下,任何新鲜出炉的产品,不管是国内的还是国外的,只要模式够好,用户喜欢,不需要多少时间,一大波非...
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How to change Git log date formats

...ate a custom format, but you can do some shell magic. timestamp=`git log -n1 --format="%at"` my_date=`perl -e "print scalar localtime ($timestamp)"` git log -n1 --pretty=format:"Blah-blah $my_date" The first step here gets you a millisecond timestamp. You can change the second line to format that...
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Calculate difference in keys contained in two Python dictionaries

...2 >>> t1 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":"world!\nGoodbye!\n1\n2\nEnd"}} >>> t2 = {1:1, 2:2, 3:3, 4:{"a":"hello", "b":"world\n1\n2\nEnd"}} >>> ddiff = DeepDiff(t1, t2) >>> pprint (ddiff, indent = 2) { 'values_changed': { "root[4]['b']": { 'diff': '--- \n' ...