Tech

About Technologies, Computer Science, Web Technolgoies…etc.

coding, programming

How to learn all programming languages once and for all?

updated 2021/07/04, 30% complete What programming languages should i learn? one of the most frequent question i am asked when people know that i was a software developer and had over five years of experience in software engineeering in different fortune 500 companies is ‘what programming languages should i learn‘? My answer would always be …

How to learn all programming languages once and for all? Read More »

mac, freelancer, macintosh

家庭路由器101: 轻松组建全屋WIFI

WIFI 和路由器这个问题看起来很简单, 但实际了解之后,发现内容很多, 特别是你想要一个全屋WIFI 的时候。所以楼主特意研究了下目前主流的全屋WI-FI方案: 无线桥接,Mesh组网, AC+AP 组网。本篇文章就当个记录。

search google bing baidu yahoo

Python: simulating search and click in Google and Baidu easily

TheHuPost newsletter is now available, welcome to subscribe to the newsletter. If you are interested in C++, Java, Javascript, Python, you can check here. You can also ask me question in the forum section. Python: simulating search and click in Google and Baidu easily First, I’d like to emphasize that this article ‘Python: simulating search …

Python: simulating search and click in Google and Baidu easily Read More »

linux os

Linux中的权限表示:字母表示和数字表示

Linux中的权限表示:字母表示和数字表示:linux 使用9位字母来表示权限,当使用命令ls 时会显示目录或者文件的权限。r 代表读权限,w 代表写权限,x 代表执行权限。前3位表示用户(文件所有者) 的权限,中间3位表示Group 用户的权限,最后3位表示Other 用户的权限。

linux os

linux的tmpfs和/dev/shm介绍

linux的tmpfs和/dev/shm介绍:
tmpfs是Linux/Unix系统上的一种基于内存的文件系统。tmpfs可以使用您的内存或swap分区来存储文件。由此可见,tmpfs主要存储暂存的文件。它有如下2个优势:动态文件系统, 电般的速度

C++

C++ 引用计数reference count实现智能指针

C++ 引用计数reference count实现智能指针 : 前面说到,含有指针成员的类容易出现悬垂指针的问题,特别是类的对象有复制,赋值等行为时;referecen count 的核心思维是,使用一个计数器来标识当前指针指向的对象被多少类的对象所使用,即记录指针指向对象被引用的次数;

Scroll Up