Android system startup process analysis init process startup process

preface This series of articles briefly introduces the starting process of Android system, which will not stick to the details of the source code, so as to let readers understand the general process. In addition, we need to remind you that you need to have some C/C + + foundation to read this chapte ...

Posted by dusty on Thu, 11 Jun 2020 10:19:31 +0200

Intelligent Transportation Development New Planning under New Capital Construction: Intelligent Tunnel Monitoring Visualization System

Preface With the development of the contemporary economy, the transportation environment is getting more and more tense, together with the transportation needs in mountainous areas, the development of tunnel traffic construction is in the ascendant.Tunnel traffic planning is becoming more and more complete, but there are some inadequacies in mo ...

Posted by geo3d on Wed, 10 Jun 2020 18:45:20 +0200

How to use Matplotlib correctly and draw a nice picture

preface The text and pictures of this article are from the Internet, only for learning and communication, not for any commercial purpose. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. Author: Python Chinese community The data used in this paper is as shown in the figure. ...

Posted by raouleduke on Tue, 09 Jun 2020 09:20:13 +0200

Record es6,class

The basic syntax summary of ES6 | class Class and module, the default is strict mode, so you do not need to use strict to specify the running mode. As long as your code is written in classes or modules, only strict patterns are available. Considering that all code in the future is actually running in mo ...

Posted by edup_pt on Tue, 09 Jun 2020 08:40:08 +0200

Asynchronous FIFO from FIFO Design

Bowen catalog Write before text Synchronized FIFO Review $clog2() system function use Comprehensive Attribute Control Resource Utilization Asynchronous FIFO design Review of FIFO uses Review of Asynchronous FIFO Principles Asynchronous FIFO design Asynchronous FIFO simulation Reference material ...

Posted by johnny on Tue, 09 Jun 2020 02:36:04 +0200

[UWP custom control] learn about templating control: VisualState

1. Functional requirements Use TemplatePart to implement the two requirements of the previous article (hide the HeaderContentPresenter when the Header is empty, and the HeaderContentPresent is translucent when the mouse is not placed on the control). Although the function has been implemented, the implementation will basically not be extended. ...

Posted by tdeez173 on Mon, 08 Jun 2020 06:23:31 +0200

Popular understanding of spring source code -- Analysis of default tags (import, alias, beans)

Popular understanding of spring source code (6) -- Analysis of default tags (import, alias, beans) The parseDefaultElement method of documentReader is mentioned in the previous section. From this point on, various labels are parsed. Among them, bean label parsing is the most complex. So let's first look at the other three default labels pr ...

Posted by shahryar on Sun, 07 Jun 2020 06:03:10 +0200

Pandas-01-DataFrame|Series Common Methods

This paper introduces the data structure DataFrame and eries of data analysis star pack Pandas in Python, which is practical. Copyright Statement: This is an original blogger article, please indicate the source of the original text for reproducing, no white lyrics! Writing time: 2020-06-06 0:08 ...

Posted by designationlocutus on Sat, 06 Jun 2020 02:56:32 +0200

Beauty of mybatis source code: 2.2. Convert DOM corresponding to mybatis global configuration file to XNODE object

Convert DOM corresponding to mybatis global configuration file to XNODE object In the above, we have completed the construction of XmlConfigBuilder object and prepared the basic environment for parsing XML files. So the next step is to call the parse() method exposed by XmlConfigBuilder to complete the parsing of mybatis configuration file. pub ...

Posted by lupus2k5 on Fri, 05 Jun 2020 08:15:43 +0200

Spring IOC source reading notes (10)

After analyzing the loading of BeanFactory containers, let's take a look at the loading of ApplicationContext, a more complex container that we currently use. Compared with BeanFactory, ApplicationContext has the following differences: 1. Inherit MessageSource and provide international standard access p ...

Posted by MrAdam on Fri, 05 Jun 2020 07:08:29 +0200