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For more information about RxJava in observer mode, see rxjava for more information.

For more information about RxJava in observer mode, see rxjava for more information.Preface what is RxJava RxJava-Reactive Extensions for the JVM-a library for composing asynchronous and event-based programs using observable sequences for the Java VM. The above is the introduction of RxJava on Github, which roughly means,For the responsive extension Implementation of JVM (Java Virtual Machine), a library that uses an observed sequence on Java VM to Im

Norm rule in machine learning (II.) kernel norm and rule item parameter selection very good, must see

. Because rank () is non-convex and difficult to solve in optimization problems, it is necessary to look for its convex approximation to approximate it. Yes, you're right. The convex approximation of rank (W) is the nuclear norm | | w| | *。Well, here, I have nothing to say, because I also looked at this thing a little bit, so I have not gone into the depth to see it. But I've found that there are a lot of interesting applications here, so let's take a

MyISAM how to see which session holds the table lock

Background introduction:The first two days were asked a question, the database uses the MyISAM table, a DML operation on the table found blocking, Shou full processlist display as waiting for table lock, and see which session caused the table lock, Finally, a very violent restart of the database to resolve this issue. Have encountered such problems before, all due to SQL injection, so show full processlist can see

Pure K12 Essence: An analysis of how to teach children to see pictures and write words from Marxism-Leninism perspective

Pure K12 Essence: An analysis of how to teach children to see pictures and write words from Marxism-Leninism perspectiveThe beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's Beautiful Life-this blog focuses on Agile development and mobile and IoT device research: IOS, Android, HTML5, Arduino, Pcduino

Fenglingdu first Encounter, a see Yang over the wrong life

Fenglingdu at the beginning of the first encounter, a see Yang past life Guo encounter Yang outdated, Yang wore ugly human skin mask, only the way she thought of the Freunga of the God carved out of the original is so ugly person. Take a closer look at him. But see Yang over a pair of eyes naked, heroic spirit pressing, "Guo Xinxin mouth a fever, involuntarily dizzy cheeks, bowed head, vaguely feel, this Go

Sad and desolate love, see Don't Cry

boys and girls from a young age, boys often go to the village outside the pond to catch small shrimp, every time the boy is always fruitful, the girl is empty-handed, the girl is always lost in tears, alone, a person back home, and then sullen. Before supper, the boy rang the door of the girl's house, the girl saw is a boy, turned away, the boy chased forward, said to the girl: "Sorry, I put your shrimp are taken away, to, I put them in a small fish tank, to you.""The girl brows a put, scalpels

PHP Beginners fit to see what

I am a beginner php, I ask those books for beginners to see? Reply to discussion (solution) PHP Video TutorialsIt is recommended to start with a video learning guide is easier to accept Before I learned C and other languages, but also only to understand a fur, and then contact PHP, the first to see is a "PHP100 example" in accordance with the book to do some examples, and many still do wrong, and bou

Help me to see if there is any problem with ajax submission

Help me to see if there is any problem with ajax submission $. Ajax ({type: "post", url: "nodedo. php ", data: $ (" # form1 "). serialize (), success: function (data) {layer. msg ('added successfully', 2, 1) ;}, error: function (data) {layer. msg ('add failed', 2, 2); alert (data );}}) Background $conn = mysql_connect("localhost","root","");$my_db = mysql_select_db("lyq",$conn); $account = $_POST['account']; $sql = "insert into salesman(ac

Android IOS WebRTC Audio and Video Development Summary (72)--What do you think of when you see Google Duo?

This article mainly introduces the online education industry, the article was first published in our public number, support the original, see here ,Welcome to the public number Blackerteam, more details www.rtc.helpAt yesterday's Google I/O conference, Google showed off her one-to-two video call App--duo, which excited a lot of people, I've been thinking about another question for the last couple of days: Technically, this Duo is not really a black te

HTTP in iOS you see, I'm good enough.

and responsesWhat happened when we sent an HTTP request to the server?Let's look at a sample POST request diagram:Figure 2.1 Http_post request example. png Note: This article uses paw to simulate sending HTTP requests, using Charles capture package, Charles selects "Request" and "Raw" option to see the full contents of the request The above example diagram already contains a few essential elements of an HTTP request: A request line, a r

"Unity3d Basic Tutorial" for beginners to see the Unity Tutorial (0): How to learn Unity3d

still feel that it is not fun, you can try to decompile some of the popular Unity3d game to get the code, after all, the real production environment code is the most worthy of deep research, in this Part I would like to recommend the code of the three countries, quite neat.My Unity3d Blog and Project indexIn the completion of the above learning process, to see some third-party blog is also quite useful means, here shameless to promote my blog and my

The people near the micro-mail can't see the solution.

To the users of micro-credit software to detailed analysis to share the micro-letter near the people do not see the solution to the problem. Tutorial Sharing: 1, the first is to conduct a network inspection, to see whether the network is available, or to change the other network to try. Turn on the phone "settings" and keep the "Wi-Fi" switch open, turn on the phone "set"-> "Universal"-> "Cellular

The people near the micro-mail don't see me. Solution

To the users of micro-credit software to detailed analysis to share the micro-letter near the people do not see my solution. Programme sharing: 1, the first is to conduct a network inspection, to see whether the network is available, or to change the other network to try. Turn on the phone "settings" and keep the "Wi-Fi" switch open, turn on the phone "set"-> "Universal"-> "Cellular mobile network

Win7 System Thunder to see how the green screen play appears to do

Thunder to see is the company launched a multi-functional media player, supporting a variety of video formats and online playback, but in the use of the process will inevitably encounter some difficult problems. Recently, a user in the Win7 64-bit flagship version of the use of Thunder AV video playback when the green screen (as shown), turn off the player to turn on the playback video is still green screen state, resulting in the use of Thunder to

17APP How to see live broadcast 17app usage rules

17APP How to use After opening the "17" will have a simple introduction and account login, you can sign up for a new, or directly with the Facebook account to log in to avoid the problem of the registration steps. To see "17" interface, I believe we will be very familiar with, because in addition to different colors, almost 99% copy Instagram, whether it is the display of photos, according to the location of the message, pers

Point to see what the Ningbo app is soft

To see the characteristics of Ningbo News is hot news screen let the news as you can see Try to listen to live with the mobile phone anytime and anywhere with a key to share, real-time watch, at any time on demand Explosion material upload Voice video text picture Ningbo People's Blue Bottom solution Shake it, you get points, you bring home the million gifts. Click to

Android confusion occurs when Proguard returned with error code 1.See console issue

Recent use of the project for the obfuscation of Android, the project added a number of third-party jar packages, directly using the project.properties in the proguard.config=${sdk.dir}/tools/proguard/ Proguard-android.txt:proguard-project.txt is obfuscated, the APK is packaged with the Proguard returned with error code 1.See console, Surfing the internet to find out the cause of such problems, the main introduction of three ways, respectively, is err

Mobile phone evaluation How to see?

goods, something to compare, Even if you use the best, best and best still have a difference between, for example, the screen, now the basic mobile phone is sharp or LG or Samsung or friends, screen technology has become more and more mature, the display effect is getting better, the difference is only in the color of food and clothing and degrees of visual angle and other aspects of the difference, So the Test team testing screen of the link on each phone to compare, through the comparison to

NPM install--from a simple example, see the difference between a local installation and a global installation

NPM package installation is divided into local installation (locally), the global installation of two, from the command line to see, the difference is only there -g , such asnpm install grunt # 本地安装npm install -g grunt-cli # 全局安装What is the difference between these two types of installation? From the description of the NPM official documentation, the main difference is (explained later by specific examples):Local Installation1. Place the installation

See the copy of the article about virtual function inheritance and virtual inheritance interpretation better

(From: http://blog.chinaunix.net/uid-25132162-id-1564955.html) 1, empty class, empty class single inheritance, empty class multiple inheritance of sizeof #include using namespace Std; Class Base1 { }; Class Base2 { }; Class Derived1:public Base1 { }; Class Derived2:public Base1, public Base2 { }; int main () { BASE1 B1; Base2 B2; Derived1 D1; Derived2 D2; cout cout cout cout return 0; } The result: sizeof (BASE

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