18 surprises for reading jQuery source code
I love jQuery, and although I think I am a senior JavaScript developer, I have never tried to read jQuery source code from the beginning to the end until now. Here are some things I learned along the way:
Note: I use$.fn.method()Syntax to call a group of matching elements. F
Android Drive Monthly Exam 4The fourth chapter of the source code download and compilation-Reading notes1. Configure the Android source code download environmentcreating files and configuring Paths pathDownload scripts using curl or wget and assign permissions to ~/bin/repoCreate a directory of Android
Download msysgit and install
Download: http://code.google.com/p/msysgit/downloads/list,
Open git bash and execute the command
cd D:git clone https://android.googlesource.com/platform/manifest.git
Enter the command to switch to the manifest directory.
cd manifest
Git tag lists the branches of Android
git tag
Download the Android-2.2 system source code and enter
Do not know other people like me, after working for a while to find an open source project to read the code, but most of the time again feel that the start, and recently sorted out, set up spring source reading environment is indeed troublesome. First of all, my environment: operating system: MAC, Development Ide:ideaPreparation: GitHub account, local installatio
). This method can be used to treat weighted data.
4. Sparse split Point lookup. You can speed up the model to sparse data processing.
One of the differences between the GBDT and the Taylor is that it expands the objective function and uses the second derivative to speed up the convergence of the model. In general, the most important factor in Xgboost's popularity is its rapid training process.
two. Download and compile the source
This article will mainly discuss Three. how objects in js are organized: that is, how to combine vertices, surfaces, and materials into a specific object. For details, refer to Three. js Source Code Reading Notes article 3. The previous two articles mainly focus on core objects. These core objects focus on vector vector3 objects and matrix matrix4 objects, focusing on the positions and changes of individual
After three consecutive days, the computer was finally downloaded. Let's talk about my process.
1. Create a new folder to put the source code and prepare enough space. After downloading the folder, add a little more than 10 Gb.
2. Download git
3. Go to http://android.git.kernel.org/
4. (Open http://android.git.kernel.org/check.) If you want to download the package at one time, I will do this by setting the
Create a kernel folder under the root directory of the android source code
$ Mkdir Kernel
$ CD Kernel
$ Mkdir Download source code:
$ Git clone http://android.googlesource.com/kernel/goldfish.git
$ Git The download is completed as follows:
A goldfish folder is gen
Get PHP Source code
In order to learn the implementation of PHP, the first need to download PHP source code. Download source preferred is to PHP official website http://php.net/downloads.php Download, if you like to use Svn/git and other version control software, you can als
After CoreCLR landed on GitHub, the first way to experience CoreCLR was to compile it on his own computer, and yesterday successfully compiled the CORECLR on Windows and Linux, as described in:1) successfully compiled CORECLR source code on Windows;2) successfully compiled CORECLR source code on Linux.After the success
words, this method behaves as if it were only executing wait (0) calls. The current thread must have this object monitor. The thread releases ownership of this monitor and waits until other threads wake up by calling the Notify method, or the Notifyall method notifies the thread waiting on this object's monitor. The thread then waits to regain ownership of the monitor before it can continue execution. */ Public Final voidWait ()throwsinterruptedexception {Wait (0); }
synchronized, because it can guarantee the correctness of the data. Even if the write fails, it brings additional synchronization, which does not bring the data harm.4 ) write error handling raid1dIf the upper bio is received because the barrier attribute is set and the child device does not support barrier and fails (this happens only in the write operation), clear the R1_bio barrier attribute and resubmit the R1_bio.The daemon handles this error-writing process as shown in procedure 7.Figure
manner, this makes git easier to use.
In order to get the latest sourcecode of Android, William Learned some basic operations of git and repo, sorted out how-to for how to get the android code, and pasted it today.
1. Install gitTo install git on Ubuntu 8.04, you only need to set the correct update source and use apt-Get. If there is any dependency problem, let it solve it by yourself. Curl is a File Trans
For (Name In Options) {SRC =Target [name]; copy = Options [name]; // Prevent never-ending loop If (Target = copy ){ // Prevents self-reference. Do not repeat it Continue ;} // Recurse if we're re merging plain objects or Arrays // If it is a deep copy, and the copied property value itself is an object If (Deep Copy (jquery. isplainobject (copy) | (copyisarray = Jquery. isarray (copy )))){ If (Copyisar
context.
public Application() { super(null); }
The use case of a single instance is also very simple, that is, an App only needs to have one class instance, or the class initialization operation is resource-consuming. In many open-source frameworks, we only need one object to complete the work, such as various network frameworks and image loading libraries.
In addition, there are many implementation methods for Singleton, such as lazy, hung
Sync command)Method 2: Use the git clone command to download the specified project source code(3) Compiling Android source code1. Initializing the compilation environment#source build/envsetup.sh or. build/envsetup.shenvsetup.sh script file is mainly used to initialize some
track the jquery object and analyze its running status to find out the cause of the error.
If you have requirements on the page running performance and efficiency of Web applications, we should better understand the running mechanism and core source code. But unlike other class libraries, jquery source code is a bit
is often a time-tested product-level code written by the hacker Masters. Now, after a year or two, several developers came to me, thanking me for forcing them to "dive" or "swim" in someone else's code. Their skills are much better now than they used to be, and they sigh: I don't know how to do things well in the past without someone else's source
Install Odoo8.0 with git source code on Ubuntu Server 14.04 LTS
In September 19, 2014, Odoo officially released the official version of Odoo8.0, which is a brand new version that integrates various functions such as website construction.
In the Linux operating system, the conventional way to install Odoo is to download from the Odoo official website download library http://nightly.openerp.com corresponding
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