Beijing Renmin Jincang Information Technology Co., Ltd. (hereinafter referred to as "Renmin Jincang") is a domestic data management software and service provider with independent intellectual property rights. Founded in 1999 by a group of experts from Renmin University of China who are the first to carry out database teaching, ...
Posted by fean0r on Thu, 28 May 2020 04:41:17 -0700
Using logback instead of log4j is because logback is another open source log component designed by the founder of log4j. The kernel of logback has been rewritten and its performance has been improved by more than 10 times on some key execution paths. Moreover, the logback not only improves the performance, but also reduces the initial memory lo ...
Posted by 7724 on Thu, 28 May 2020 01:53:36 -0700
Sometimes, in order to facilitate the development and testing of the server, it does not need a beautiful user interface, just use a simple command window. As follows:
Here is a quick, convenient, easy-to-use and simple interactive command window development component Spring Shell
Yes, it's in spring ecology again.
Source address ...
Posted by AlexP on Wed, 27 May 2020 21:09:04 -0700
ArrayList should be one of the most common list implementation classes in your usual code. It should be a surprise to learn more about common methods by looking at the source code, as well as infrequent ones.This time, look at the corresponding source in terms of method familiarity, it is necessary to paste the source.
1. ArrayList header com ...
Posted by Think Pink on Wed, 27 May 2020 10:23:59 -0700
As we all know, Java is a high-level language in the programming language. In the world of java, there have been predecessors who have encapsulated various useful frameworks, tool classes and so on for us. The iterator mode that I want to talk about today has also been encapsulated.
Is the for loop iterator that we often use.Or Iterator, these ...
Posted by neostrife on Wed, 27 May 2020 09:19:58 -0700
There are many concepts involved in future. Future can be used as a task with multiple strings, and then many tasks will be sent to the thread pool. When the thread is executing, it will block in the block_ The on () call waits for an event.
For example, the epoll event will drive the nearest Future::poll(), and then execute the next level of F ...
Posted by allanric on Wed, 27 May 2020 08:31:41 -0700
Today, I'm going to bring you the actual battle of template project. Let's have a look at the renderings
Click the picture to jump to the corresponding details page
movies = [
'title': u'Fat action team',
'thumbnail': u'https://img1.doubanio.com/view/photo/s_ratio_poster/public/p ...
Posted by phpfolk2003 on Wed, 27 May 2020 02:25:26 -0700
I don't know if you check the user's allergy. If you don't check, the user belongs to some attack scripts, then our service will be forced! So we first need to read the user's data through the filter for safety verification, which involves an action, that is, we need to read the user's data in the filter for verification, and then release it af ...
Posted by wilorichie on Tue, 26 May 2020 19:27:13 -0700
Recently, I was doing monitoring related supporting facilities, and found that many scripts are based on python. I heard a long time ago that its name is short of life. I learned python, which is not a joke. With the rise of artificial intelligence, machine learning and deep learning, most of the AI code on the market is written in Pyt ...
Posted by miasma on Tue, 26 May 2020 00:19:00 -0700
1. Logical paging and physical paging
Logical paging: also called memory paging. Logical paging depends on the code written by the programmer. What the database returns is not the paging result, but all the data, which is then passed by the programmer
The code obtains the paging data, takes out all the data, first stores it in memory, ...
Posted by ChetUbetcha on Mon, 25 May 2020 20:53:31 -0700