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 ArrayList() { this.elementData = DEFAULTCAPACITY_EMPTY_ELEMENTDATA; }
If the capacit
String source code analysis, string source code
The String class maintains a char [] type value to store strings. The source code is relatively simpler.1. Immutable
The immutability of String is mainly reflected in three aspects:
The String class is defined as the final type and cannot be inherited.
Value [] In Stri
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/p/5705314.html), today combined with my recent learning results continue to summarize the
Personal email: xiaokeweng@gmail.com
In the previous article, we completed a single message path from the kernel to the framework consisting of NetlinkManager, NetlinkHandler, NetlinkListener, and SocketListener according to the function call process. Communication is implemented through an internal socket. You can set the filter attribute of the socket listener to receive the event sent by the kernel,(The event part sent by the kernel does not need to be understood. It can be understood as spon
My Sina Weibo: http://weibo.com/freshairbrucewoo.
You are welcome to exchange ideas and improve your technology together.
This part of related classes mainly implement protocol-related content. The protocol mentioned here refers to the Protocol encapsulated in the data transmission format. Different protocols are implemented to be suitable for data transmission in different scenarios, because different protocols vary greatly in different scenarios for data transmission efficiency. The followin
Fastdfs is a lightweight, distributed file system, consisting primarily of tracker server, storage server, and client, which mainly involves two points:1 Client upload file process and protocol analysis2 implementation of a simple file upload function
One: The basic process of file upload
Fastdfs upload a file, mainly involves the following several steps:
1 Upload the connection request, the client will send the request of uploading file to tracker server2 Tracker after receiving the request, r
The setup.py under the Rosmaster bag,
From Distutils.core Import Setup from
catkin_pkg.python_setup import generate_distutils_setup
d = generate_ Distutils_setup (
packages=[' Rosmaster ',
package_dir={': ' src '},
scripts=[' Scripts/rosmaster '),
requires=[' roslib ', ' rospkg ']
)
Setup (**D)
Where the command line script is Scripts/rosmaster (Roslaunch will use Popen to start the rosmaster process, the script is called, subsequent analy
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 Code may not be easy to understand. first, I can registe
variables are corresponding to how many patterns are in a syntax element,Then the corresponding Contextmodel is obtained by the specific offset.InitializationInitialize the object when it is createdComplete the size of the context pattern contained in the corresponding Contextmodel and each syntax element in the Contextmodel3dbuffer patternThe next initialization is initialized at the beginning of a slice, where the initialization is primarily the initial dissolve
Sonarqube Scanner, as a code scanning tool, through which the code of the project is read and sent to the Sonarqube server to allow Sonarqube code analysis.It can be considered that Sonarqube scanner is the client of Sonarqube.
Sonarqube scanner is easy to integrate with different types of build tools and Maven project consolidation
A plug-in for the Sonarqube Sc
empty.
It is absolutely strange to see timer_event above. It is clearly stated in the android SDK documentation as follows:
Trigger events:Breaking a MIDI file into individual(Non-linear) segments and queueing up those segments for playback inGame based on events within the game is one way jet music files areInteractive. trigger events are an additional method for interactivePlayback.
In other words, we can define some events in the segment to trigger at a specific time. As mentioned earlier,
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 a great improvement.
Continue the learning that has not been completed before.
This method
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 that the detailed error message is directly displayed on the page.
If it is On, no detailed e
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 passes the request from the client to the Container for processing and responds accordingly
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 the window
SDL_Renderer: indicates the Renderer.
SDL_Texture: represents the texture
SDL_Rect: a rectangular box used to determine
Use a macro to define cuda_kernel_loop.
In common. HPP.
# DefineCuda_kernel_loop (I, n )\
For(IntI = blockidx. x * blockdim. x + threadidx. X ;\
I
I + = blockdim. x * griddim. X)
First, let's look at the design of the dimensions of the threads and thread blocks obtained by caffe pipeline,
We can also see from common. HPP
Caffe_cuda_num_threads
Caffe_get_blocks(ConstIntN)
It is obviously one-dimensional.
Check the format of cuda_kernel_loop,
For(IntI = blockidx. x * blockdim. x + threadidx.
File System Analysis (I)
The file system of linux0.11 mainly uses the minix1.0 file system, which can manage 64 MB hard disk space in total
Files in Unix-like systems are classified into six types: Regular files, directories, super connections (symbolic connections), and pipelines (mainly used for process communication), character device, block device (the device exists as a file in Linux)
The main layout of the file system of linux0.11 (physical l
I hope you can avoid detours. The version downloaded online should have been changed from Legend 2 to legend 3. Analyze the source code. g_xloginproc.load (); load m_image.newload (image_interface_1, true, true );
Continue reading the WIX file,Readfile (hwixfile, m_stnewwiximgaeinfo, sizeof (newwiximageinfo)-sizeof (int *), dwreadlen, null );
// Wix Header Format (56 bytes) (new)Typedef struct tagnewwixfileimageinfo{Char sztitle [20]; // library fil
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
Implementation of HashMap:
Create an array of the specified capacity to store linked
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