Linux system api int rmdir(const char *pathname); directories can be deleted. But when using rmdir function, the directory must be empty, otherwise the call fails, the function returns - 1, and the function returns 0 when the execution is successful.
You can also delete non-empty directories by using th ...
Posted on Sun, 13 Oct 2019 11:34:12 -0700 by thinguy
A Brief Introduction to Access Control List
Access Control Lists (ACL) is a list of instructions applied to router interfaces. These instruction lists are used to tell routers which packets can be received and which packets need to be rejected. Whether a packet is received or rejected can be determined by specific instructions such as source a ...
Posted on Sun, 13 Oct 2019 10:57:05 -0700 by Julian Pedley
There are 851 words in this article. It takes about 3 minutes to read!
Julia is a "brand new" high-performance dynamic programming language. Two days ago, Julia ushered in a major update of its 1.0 official version. Julia sets Python, C, R, Ruby's strengths, feels like a scripting language, and has good support for intera ...
Posted on Fri, 11 Oct 2019 23:53:16 -0700 by davidwhiteuk
In the interface test, I encountered a job, uploading a batch of pictures to the server, 12000 +, in a different folder in a folder, due to the excessive upload of files, can only write scripts to upload in batches. It is also a part of automation. After testing and improvement, it is finally completed. During this period, 60 + times failed due ...
Posted on Fri, 11 Oct 2019 20:54:16 -0700 by [Demonoid]
Simulate the dependency library file being deleted and restored in rescue mode
1. Delete mv dependency library files
[root@centos7 Packages]# which mv
alias mv='mv -i'
[root@centos7 Packages]# ldd /usr/bin/mv
linux-vdso.so.1 => (0x00007ffd51946000)
libselinux.so.1 => /lib ...
Posted on Fri, 11 Oct 2019 10:39:52 -0700 by nolos
Zyqn pl interrupt
On the development platform of Miller Technology zynq, pl interruption is realized by zynq's key switch.
Hang on the pl side, need to be on vivado pin locking. The configuration is as follows
Of course, the interruption function can be use ...
Posted on Fri, 11 Oct 2019 08:36:36 -0700 by cmanhatton
What is combination?
Why use combinations
How to use combination
What is encapsulation
Why to encapsulate
How to encapsulate
Access Restriction Mechanism
What is access restriction mechanism
Posted on Fri, 11 Oct 2019 06:56:36 -0700 by doforumda
The Concept of Regular Expressions
Regular expression: Use a single string to describe and match a series of strings that conform to a certain syntactic ruleIt is composed of ordinary characters and special characters. It is commonly used in script programming and text editor, such as php, python, she, etc. It is abbreviated as regex, regexp, ...
Posted on Thu, 10 Oct 2019 22:24:58 -0700 by keyboard
Links to the original text: http://www.cnblogs.com/blackblade/p/3688097.html
root@kali:~# service networking restart
[....] Running /etc/init.d/networking restart is deprecated because it may not r[warnble some interfaces ... (warning) ...
Posted on Thu, 10 Oct 2019 15:21:35 -0700 by balacay
Question: Whether there exists an undirected graph G with n vertices is the isomorphism of its complement graph H, if there exists an adjacency matrix of output G and the mapping of H with respect to G.
Analytical and constructive questions, the answer is not unique. The original graph has the ...
Posted on Thu, 10 Oct 2019 11:30:23 -0700 by kirtan007