Mostly Used Linux Commands

cd

cd命令用来切换工作目录至dirname。 其中dirName表示法可为绝对路径或相对路径。若目录名称省略，则变换至使用者的home directory(也就是刚login时所在的目录)。另外，~也表示为home directory的意思，.则是表示目前所在的目录，..则表示目前目录位置的上一层目录。

Install vagrant-winnfsd plugin

See vagrant-winnfsd detail about vagrant-winnfsd

1

vagrant plugin install vagrant-winnfsd

开发微信页面，chrome与安卓（安卓4.4+）真机调试

1、手机中打开【设置】->【开发人员选项】->【USB调试】
2、用 Android 机在微信内访问 http://debugx5.qq.com
3、在打开的网页中选择【信息】->【TBS settings】，勾选【是否打开 TBS 内核 Inspector 调试功能】，重启微信

Step 0: prerequisites

• download docker binary
• download docker-compose binary
• download laradock
• download laradock images
• your application code, for example, dgiot.xy-jit.cc.zip

Intent

Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.

定义一个用于创建对象的接口，让子类决定实例化哪一个类。 Factory Method使一个类的
实例化延迟到其子类。

Intent

Separate the construction of a complex object from its representation so that the same construction process can create different representations.

将一个复杂对象的构建与它的表示分离，使得同样的构建过程可以创建不同的表示。

Intent

Provide an interface for creating families of related or dependent objects without specifying their concrete classes.

提供一个创建一系列相关或相互依赖对象的接口，而无需指定它们具体的类。

Override function validate(PK, name, product, licenseKey)

Find where is your StarUML installed and edit the LicenseManagerDomain.js file whicd locates in {INSTALL_PATH}/www/license/node/. For instance, C:\Program Files (x86)\StarUML\www\license\node\LicenseManagerDomain.js

Creational (创建型模式)

In software engineering, creational design patterns are design patterns that deal with object creation mechanisms, trying to create objects in a manner suitable to the situation. The basic form of object creation could result in design problems or added complexity to the design. Creational design patterns solve this problem by somehow controlling this object creation.