some OpenGL constants This is from (https://github.com/peterderivaz/pyopengles/blob/master/gl2.py) GL_DEPTH_BUFFER_BIT = 0x00000100 GL_STENCIL_BUFFER_BIT = 0x00000400 GL_COLOR_BUFFER_BIT = 0x00004000 GL_POINTS = 0x0000 GL_LINES = 0x0001 GL_LINE_LOOP…

1. Constants        A constant is a symbol that has a never-changing value. When defining a constant symbol, its value must be determinable at compile time. The compiler then saves the constant’s value in the assembly’s metadata. This means that you…

Principle Make variables shouldn't be changed stand out using all caps. Add constants as static properties to the constructor function. // constructor var Widget = function () { // implementation... }; // constants Widget.MAX_HEIGHT = 320; Widget.MAX…

访问修饰符(或者叫访问控制符)是面向对象语言的特性之一,用于对类.类成员函数.类成员变量进行访问控制.同时,访问控制符也是语法保留关键字,用于封装组件. Public, Private, Protected at Class Level 在创建类时,我们需要考虑类的作用域范围,如谁可访问该类,谁可访问该类成员变量,谁可访问该类成员函数. 换而言之,我们需要约束类成员的访问范围.一个简单的规则,类成员函数.类成员变量之间可以自由 访问不受约束,这里主要说的是外部的访问约束.在创建class的时候,…

Enumerated type is a type whose legal values consist of a fixed set of constants, such as the seasons of the year. // The int enum pattern - severely deficient! public static final int APPLE_FUJI = 0; public static final int APPLE_PIPPIN = 1; public…

If an error occurs, the Task Scheduler APIs can return one of the following error codes as an HRESULT value. The constants that begin with SCHED_S_ are success constants, and the constants that begin with SCHED_E_ are error constants. Note  Some Task…

Create page WM (Constants)   Summary WM_* Constants and their definitions or descriptions and what can cause them to be sent. Also is a list of constants for C# and VB. For a C# enum see WindowsMessages Definitions / Descriptions WM_ACTIVATE 0x6 The…

1.Constants is a symbol that has a never-changing value.  its value must be determinable at compile time. 使用范围: 1.The compiler then saves the constant’s value in the assembly’s metadata.This means that you can define a constant only for types that yo…

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ArcGIS Developer Help  (Geometry)     esriSRGeoCS3Type Constants More available geographic coordinate systems. Constant Value Description esriSRGeoCS_Albanian1987 4191 Albanian 1987. esriSRGeoCS_Ammassalik1958 4196 Ammassalik 1958. esriSRGeoCS_Autral…