Express bird platform, query express information. Escaped pit
Written in front
Technology is updated and iterated, but there are always traces to follow.
Endless wheel building has been exhausting.
The pit that oneself jumps over, share final result, just for letting pain no longer repeat.
One bac ...
Posted by ashrust on Mon, 17 Feb 2020 20:45:30 -0800
rpm can realize fast and simple installation of programs (compared with compilation and installation), but rpm can't solve dependency by itself, so many tools come into being to solve dependency automatically, among which yum is one of them.
yum solution to dependency:
There must be a file server where all the rpm packages and the package rel ...
Posted by jiggens on Sat, 15 Feb 2020 18:47:48 -0800
Detailed introduction of angular file upload
Angular file upload is a lightweight AngularJS file upload tool. It is designed for the file API Polyfill which does not support browser, and uses HTML5 to upload files directly.
Support upload progress, cancel or abort when uploading, support file drag ( ...
Posted by aeafisme23 on Thu, 13 Feb 2020 11:50:17 -0800
How to understand object-oriented
Abstract is the prerequisite of encapsulation, inheritance and polymorphism. Reasonable abstraction comes from reasonable analysis and understanding of business topics. Reasonable abstraction should be self consistent and easy to understand about the relationship betwee ...
Posted by realmxofxnoise on Wed, 12 Feb 2020 21:23:25 -0800
Ci framework does not support creating CommonController directly under controllers and inheriting the parent class like yii2 framework. When we want to do login control or permission control, it is unreasonable to operate directly on the parent class controller. At this time, the more convenient method is to extend the CI controller of the pare ...
Posted by ultraviolet_998 on Mon, 10 Feb 2020 07:33:56 -0800
zabbix theory + operation-02 (zabbix deployment + email alarm)
Monitoring end: 192.168.136.168Monitored end: 192.168.136.185
yum install -y \
mariadb-server mariadb \
vim /etc/httpd/conf/httpd. ...
Posted by DeathfireD on Mon, 10 Feb 2020 03:12:52 -0800
(1) Form login settings and form validation
1> Set click event - > get the password value of the account entered in the form - > use regular expression to verify the form - > send ajax request - > enter the background - > Import configuration file - > receive the data sent by ajax - > ...
Posted by debigmac on Sun, 09 Feb 2020 12:00:16 -0800
1, On regular expression
1. Definition: it is a special character sequence, which can help to detect whether a string matches the character sequence we set.
2. Function: it can quickly retrieve text and replace text.
1. Check whether a string of numbers is a telephone number
2. Check whether a string conforms to e-mail format
3. Re ...
Posted by GarroteYou on Sun, 09 Feb 2020 06:16:50 -0800
new Date(xiYear, xiMonth, xiDate)
Enter the correct date, but because of daylight saving time, it thinks it's GMT + 01:00.
The problem here is that I then passed the ...
Posted by Caesar on Sun, 09 Feb 2020 05:36:25 -0800
This is my second blog. After learning the novice part of WEB last time, it's my turn to learn the advanced part of WEB. The purpose of writing down this blog is also to urge myself to do these questions again, because I referred to many writeup s when I did it for the first time, so I also wa ...
Posted by cavemaneca on Sun, 09 Feb 2020 01:22:24 -0800