ListView source code analysis, listview source code
1. UML diagram
Scrollview is drawn separately to show that the ViewGroup does not have a built-in recycle mechanism. If Scrollview displays a large number of views, You need to manually process them.
2. division of labor in the inheritance system
(1) AdapterView
An
JQuery. Data source code and jquery source code analysis
JQuery. data is the data cache system of jQuery. It is mainly used to add data for common objects or DOM elements.1. Internal Storage Principle
This principle is very simple. The data originally to be added to the DO
SDL2 source code analysis 8: video display summary, sdl2 source codeThis article briefly summarizes the source code of the SDL video.The structure of the SDL display video involves the following structure:
SDL_Window: indicates
ArrayList construction method source code analysis, arraylist construction source code
First, let's take a look at the construction method without parameters:
private static final Object[] DEFAULTCAPACITY_EMPTY_ELEMENTDATA = {}; transient Object[] elementData; public Arr
InnoDB source code analysis-transaction log (2), innodb source code
Original article, reproduced please indicate the original link: http://www.cnblogs.com/wingsless/p/5708992.html
Yesterday I wrote some basic points about the transaction log (http://www.cnblogs.com/wingsless
MVC source code analysis, mvc source code
In the previous article, we saw the execution sequence of the Action/Result filter:
OnActionExecuting-> Action-> OnActionExecuted-> OnResultExecuting-> View-> OnResultExecuted
Here are a few examples.
I. Demo
The previous
Tags: map rds Cat TTY Ops introduction override API Family Last week Spark1.2 just announced that the weekend at home nothing, to understand this feature, by the way to analyze the source code, to see how this feature is designed and implemented./** Spark SQL source Code Analysis
MVC source code analysis, mvc source code
I feel like I haven't learned for a long time, and I have never tasted the New Year.
In addition to proving that I have lived for a year, there is another happy thing that I have finally turned my girlfriend into my fiancee. This is
MVC source code analysis, mvc source code
Next, let's take a look at the error processing filter.
Before reading this section, let's take a look at the functions provided by MVC.
I. built-in functions of MVC
1. configuration method
The mode is Off by default, indicating tha
Tomcat source code analysis-overall container structure, overall tomcat source code container
Tomcat is composed of multiple containers, and the Container and Connecter connector are the two core modules of Tomcat. The Connecter connector receives client requests, then, it p
HashMap source code analysis, hashmap source codeIn JDK, HashMap is the most common Map implementation based on hash tables. Has the following features:
Both key and value are allowed to be null.
Non-thread security.
Default capacity length: 1
Default maximum capacity: 1
Default factor: loadfactor: 0.75f
the course of our analysis of the pipeline later, you can see the code to do the work.
Summarize:
This paper simply introduces the data structure of the message defined in ZEROMQ and related operations, basically zeromq the data structure of the message using variable Long data structure to store data, but also to the small message for memory allocation optimization above, directly using stack allocation,
each field, it starts with writefieldbegin. The writing segment type and the sequence number of the field. If the field is a struct class, you can call this class's own encoding method write (tprotocol ). Thrift generates classes for each struct, which define the encoding and decoding methods of this class. End with writestructend.
2. the decoding method starts from readstructbegbegin, reads the field metadata readfieldbegin, reads the field type of 1 byte, And the byte sequence number of 2 fie
To read the open source framework code and read the class file, we generally have two methods1. Using MAVEN for related operations2. Download the source package of the jar package for import readingHere I'm using the second kind ofThe steps are as follows:A: Here if we want to read struts source
The previous article "running process of monkey source code analysis" provided the whole process of running monkey, which gave us an overview. In the future, we will try to explain some related knowledge points.
Here we will first give the structure of the entire monkey class for your reference. This figure is sourced from the Internet (my own backbook pro does n
To analyze the go-ethereum process, I want to start with a less reliant underlying technology component, and slowly dive into the core logic. directory go-ethereum code reading environment setting up the ether square yellow paper symbol index RLP source analysis Trie Source Analytics ethdb
An analysis of Android source code (III)--android AOSP 5.1.1 Source sync sync and compile make, set up Samba server for more convenient burn-in machine
Recently busy, but also maintain their own blog, video and the public number, also did not carefully comb the source
Last month, after spending 1.5 hours, I wrote 55 articles, analyzing the implementation of chromium on Android, and the WebView of Android based on chromium implementations. Learned a lot of things, but also very tired, on average less than two weeks an article. Originally want to rest a period of time, then continue to analyze chromium use of JS engine V8. But one night, lying in bed can't sleep, unconsciously want to create a personal site, used to serial "Android system
("Error binding to network socket.");519 return-5;520} ...}The function of a large piece of code omitted in front of the run method is simply to initialize different event sources according to different situations, for example, if you specify "-F ScriptFile" When you start Monkey and you specify a script file, Then initialize the source of the Monkeysourcescript event. But these are not
------ Source code analysis-main program entry point (2) ------ Open Source Software Tor
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The second part only examines the five function call sequences following configure_backtrace_handler ().
The logic actually involves many concepts related to UNIX-like syst
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