Differences between java files generated by using modifiers repeated, required, and optional in protobuf's original configuration file. proto
Recently, I am working on a Netty-based framework project.
This project uses Google's Protobuf as the codec framework. (XML or json is not used to improve efficiency ).
After a period of time, I made a simple summary of the original Protobuf files.
Here I will mainly explain the differences among modifiers repea
Hey. Pretty cool title...
YY content .... In ff, all [[Scope] functions without window will create a copy or be copied, and point its [[Scope] to window and place it in function. _ PROTO _Then function. Prototype. _ PROTO _ points to function. _ PROTO _. Prototype...
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New MAVEN ProjectCreate a new Maven project:
The POM defines the smallest maven2 element, namely: Groupid,artifactid,version.
GroupId: A unique flag for the project or organization, and the path generated by the configuration is also generated by this, as the relative path generated by Org.codehaus.mojo is:/org/codehaus/mojo
Artifactid: The generic name of the project
Version: Versions of projects
Packaging: Packaged mechanisms such as POM, jar, Maven-plugin, EJB, War,
syntax= "Proto2" #语法格式package tutorial; #包 #option: Assignable non must be assigned Java_package:java package name Option Java_package = "com.example.tutorial"; #java类名, Generate Com.example.tutorial.AddressBookProtos Java class option Java_outer_classname = "addressbookprotos"; option Csharp_ namespace = "Google.ProtocolBuffers.Examples.AddressBook"; #message定义所需要序列化的数据的格式. Each message is a small logical unit of information, #包含了一些列的name-value. Message person { Required String name = 1; #req
As the official version of Protocol buffers 3 has not yet been released, the official website (https://developers.google.com/protocol-buffers/docs/downloads) is currently only available for download to the 2.6.1 version.To download PB3, you need to download it in Https://github.com/google/protobuf release (https://github.com/google/protobuf/releases)The latest version of the current here is edition 3.0.0-beta-2Take my Mac For example, I downloaded: protoc-3.0.0-beta-2-osx-x86_64.zipAfter this de
eclipse4.4 Proto File Editor protocol Buffer editor installationGoogle Protocol buffer file Editor. Plug-in Project name Protobuf-dt, is hosted on Google Code, the country is now not connected to Google code, the eclipse market can be found in the plug-in, but not installed. Found on GitHub that someone has already done the relevant synchronization, can be downloaded at the address below.Click to open linkOther addresses are also available.My eclipse-
Recently, when tossing a middleware, we used the Cap ' n Proto A simple look, declaration names should use CamelCase and must not contain underscores # and when defining types can not be used in lowercase or down line, you need to use hump type, OK Alkai D's favorite. Have time to know protobuffer or thrift. That's all, and then some simple test code: Import Osimport Capnpthis_dir = Os.path.dirname (__file__) node = capnp.load (Os.path.join (This_dir,
The. proto file is a format file of Google protocol buffer. If no highlight file is found in editplus, you can write one by yourself.
Proto. STX
The content is as follows:
# Title = Google protocal buffer; Google protocal buffer file by greenerycn .; this file is required for editplus to run correctly. # delimiter =, () {} []-+ * %/= "'~! |
Effect:
File Download:
Http://www.box.net/shared/5nea
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generate an interface file similar to the Lm.helloworld.proto interface class/usr/local/protobuf/bin/protoc-i./--cpp_out=./Lm.helloworld.protoWe can see that the following two files are generated, which is required at compile time.lm.helloworld.pb.ccLm.helloworld.pb.hAnd/usr/local/protobuf/bin/protoc is the program Protobuff used to generate this file;And then we can compile it.g++-i/usr/local/protobuf/include/lm.helloworld.pb.cc read.cc-o read ' Pkg-config--cflags--libs/usr/local/protobuf/ lib
) {this.name = name}// 重写原型Person.prototype = {getName:function() {}}varp =newPerson(‘jack‘)console.log(p.__proto__ === Person.prototype)// trueconsole.log(p.__proto__ === p.constructor.prototype)// false
The Person.prototype is rewritten directly here (note: The previous example was to modify the prototype). The output shows that p.__proto__ still points to person.prototype, not p.constructor.prototype.It's also good to understand that assigning a value to Person.prototype is an object
Package Test;option cc_generic_services = true; When compiling C + + files, generate service and Service_stub interface class option py_generic_services = true; When compiling a python file, generate the service and Service_stub interface class message request { Required String name = 1;}; Message response { Required String status = 1;}; Service testservice{ RPC test_interface (Request) returns (response);};Python failed to generate service interface using.
"_proto_ and Prototype"1.prototype (prototype function): The function has a prototype.prototype is an object that points to the reference address of the current constructor.2._proto_ (object's prototype object): All objects have _proto_ properties. When an object is instantiated with a constructor, the _proto_ property of the new object is referred to as the prototype of the constructor.Zhangsan._proto_==person.prototypeAll objects will eventually point to the prototype of object ()"Prototype Ch
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How does a USB flash drive become antivirus? _ Analysis of USB flash drive antivirus skills
USB flash drives are widely used, but there are not many computer viruses in the USB flash drives. Many people think that the computer will be poisoned, but they often ignore the virus in the USB flash drive that they usually use. How does a USB flash drive defend against viruses? USB flash drive anti-virus tips.1:
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