native gem

the final solution, why use TCP? TCP is designed for network transmission, its flow control to deal with different hosts, the control of the vagaries of the network, in this machine, these are not problems, so this machine connected to the machine, it is best to use native sockets, such as UNIX domain sockets.Look again at question 2, a connection to the local TCP packet finally reached the loopback xmit send function, which simply dispatched a soft

JSX is not a new development language, but a syntax proposed by Facebook: A syntactic sugar that allows you to directly write HTML tags in JavaScript code. Therefore, JSX is essentially a JavaScript language. TIPS: syntaxes (Syntactic sugar) is by British computing scientist Peter randing (https://zh.wikipedia.org/wiki/% E5 % BD % BC % E5 % BE % 97% C2 % B7 % E5 % 85% B0 % E4 % B8 % 81) A term invented is a syntax added to a computer language. This syntax does not affect the functions of the lan

Configure React Native Android Development Environment Summary 1, uninstall Android Studio, execute the following command on the terminal (terminal): Rm-rf/applications/android\ Studio.app RM-RF ~/library/preferences/androidstudio* RM ~/library/preferences/com.google.android.studio.plist RM-RF ~/library/application\ support/androidstudio* RM-RF ~/library/logs/androidstudio* RM-RF ~/library/caches/androidstudio* 2. Del

JSX is not a new development language, but a syntax scheme that Facebook proposes: a syntactic sugar that can write HTML tags directly in JavaScript code, so JSX is essentially a JavaScript language. Tip: syntax sugar (syntactic sugar) is by the British computational scientist Peter Landing (https://zh.wikipedia.org/wiki/%E5%BD%BC%E5%BE%97%C2%B7%E5%85%B0%E4%B8% 81) The invention of a term, refers to a computer language added to a grammar, which has no effect on the function of the langu

We have started using react-native in our project, so Swift learns to lay down a period of time, studied RN for one months, and today shares the learning process: Study Data collation: 1, react-native Chinese network: http://reactnative.cn/docs/0.27/getting-started.html (recommended, have questions to see the official document) 2, github The above learning materials: Https://github.com/reactnativecn/reac

?We can print it out, like iphone6s, this value is printed out width:375,height:667, because the 6s density is 2, so we know that the width of this is DP. Fitting scheme So, here's the adaptation scheme in Rn: Take 6,6s as an example:UI design Prototypes: Based on Iphone6Resolution: 1334 x 750 px;Screen Size: 4.7 inchesDPI:326DPI (approximately equal to 320dpi,density=2) Import {Dimensions} from ' react-native '; Const DEVICEWIDTHDP = dimensions.get

After 3 weeks of time, the first two weeks and the exam, using some trivial time, finally the basic interface of the app to complete the function. Let's take a picture first. The use of react-native 0.36 version of development, is a lot of the pit, to a simple summary of it. To tell the truth, an application of user loyalty, the UI is absolutely a big relationship, which is my imitation of the Nuggets client a reason bar, the interface involved enou

This is react native to configure the use of the Aurora push components, more commonly used https://github.com/jpush/jpush-react-native first put the component address, convenient for everyone to use the reference. If this everyone can not be configured to succeed, welcome everyone together into the pit exchange, there is a problem contact QQ379038610 (add notes to explain why)Do not pull the useless, but a

The recent software in the image processing is the focus, then the natural use of camera photography or photo album to choose the function of photos.React-native has image-picker this third-party component, but 0.18.10 this version is not too supportive of the ipad.This component supports both photo and video, that is, both photos and videos can be implemented with this component.Installing NPM Install--save React-

EXist native Databases (Native XML database) installation and configurationOriginal copyright @ Xiaoning. 2005. All Rights reserved Environmental requirements: Install jdk1.4.2 above, the project runs jdk1.5;If you have the requirements to run JSP, you can install tomcat5.0, for exist to install Tomcat is optional, because it can load the servlet class, but the configuration is slightly load, I do not under

Native JS---1, native js History of js In the 1995 s of the last century, Netscape was making its Navigator browser the most famous first-generation Internet company when the Web age started. Wangjing hopes to add some dynamic effects to the static HTML page, So Brendan Eich, the buddy, designed the JavaScript language within two weeks. You are not mistaken. This guy only took 10 days. Why is it called Java

/**Initialize a mapview to import #import -Returns: Returns a Mapview object*/Mapview = [[Mkmapview alloc] Initwithframe:cgrectmake (0, 0,width, HEIGHT-200)];/*** Set Agent*/Mapview.delegate = self;/*** Set Map type*/Mapview.maptype = 0;/*** Set whether it can be scaled*/mapview.zoomenabled = YES;/*** Set whether scrolling is possible*/mapview.scrollenabled = YES;/*** Set whether the user's current location is displayed*/Mapview.showsuserlocation = YES;How to initialize a

HtmlJsvarBTN ={Template: ' } varVM =NewVue ({el:"#app", data:{number:1}, methods:{//remember to return it.Addfunction(num,event) {if(num!= ""){ This. number+=num; }Else{ This. number++; } //many of the clicked properties are insideConsole.log (event); }}, components:{"BTN": Btn}})Use the. Native modifier to make calls to external components in the constructor's internal method

Objective Recently in the background of a management system modified into mobile phone app, using React-native, the back end of the use of thinkphp 3.2.3. Originally used in the traditional thinkphp template tag rendering page, plus JS to achieve a set of management system, now need all mobile phone app, originally told me is for my practicing, but how do I feel that I was fooled ... Back to the point, because it is the first time to write this compon

The text component is a basic component in react, similar to the TextView component in Android, to display basic text information, which, in addition to the basic display layout, can be nested, set styles, and can do events (for example, click) processing. Let's take an example:1 ImportReact, {Component} from ' React ';2 Import {3 Appregistry,4 StyleSheet,5 Text6} from ' React-native ';7 8 classAndroidWdd03extendsComponent {9 render () {Ten re

Reprint please indicate the source:http://blog.csdn.net/developer_jiangqq/article/details/50476350This article is from: "Jiang Qing's blog"(a)Preface on the previous talk we haveOS Xsystem above forReact Native forAndroidEnvironment and the first examples are explained in detail. The so-called 工欲善其事, its prerequisite, do reactNativedevelopment as well as other application development, it is better to have a better IDE tool. So here are some of the mor

Hibernate native SQL query, Hibernate native SQL Recently, a more complex query was made, and the basic query of hibernate could not meet the requirements. Therefore, we had to use the native SQL query provided by hibernate. Make a summary by referring to some information on the Internet. You can use the SQLQuery interface to control the execution of

This series of content, prepared according to the completion of the project as a baseline, step-by-step to the entire design and implementation process carding.Start with some basic environmental problems, comb clear about mobile devices and appnium. Because we need the device name and the boot Appnium instance and the corresponding port number when we build the Appnium connection later.First, access to mobile devicesTo get the native connected device

Create application: React-native init appName Run Application: CD AppName React-native Run-ios or react-native run-ios--simulator "IPhone 4s" Use the Xcrun simctl list devices to view the specific device names available -------------------------------------------------------------------------------- Add nav navigation Dependencies Library: NPM Install–save react-

0. Prefacesimple query generally use HQL, the development efficiency will be relatively high, but the complex query if the early use of HQL, then slow query later, you have to use the native SQL rewrite again, if abused HQL return all kinds of objects, use the object everywhere operation, the last slow query tuning is simply a no way 。 The author recently in a 10-year old project slow query tuning, deep sentiment, this article only introduce Hibernate