2d intro

Please do not reprint this article, please do not publish this article in any form, please delete it within 24 hours of downloading this article, prohibit the use of this article for commercial purposes. 1 General [intro] 1 Overview "Introduction" 1.1 Scope [Intro.scope] 1.1 Category "Introduction. Category" 1.2 normative references [intro.refs] 1.2 Reference Specification "Introduction. Reference"

This series of articles is intended for those who are prepared or have developed a custom development framework. As a result of the work relationship, plan a week or two to write an article for each person who is interested in design or library development to provide criticism and discussion. Given the variety of frameworks under Java, this Code section is used. NET to say things. Of course, this article can be used as a place for criticism and discussion by other language programmers without lo

backup/test/abc.metadata.json2015-06-29t11:20:04.866-0400 done dumping test.abc2015-06-29t11 : 20:04.867-0400 writing test.system.indexes to Backup/test/system.indexes.bson[email protected]:~#Mongorestore--port=27020-uzjy-pzjy--db=test backup/test/#读写权限可以进行还原2015 -06-29t11:20:26.607-0400 Building a list of collections To restore from backup/test/dir2015-06-29t11:20:26.609-0400 reading metadata file from Backup/test/abc.metadata.json2 015-06-29t11:20:26.609-0400 restoring test.abc from File back

HoloLens allows us to see holographic content in the real world. But it's essentially a Windows 10 device, which means that HoloLens can run most UWP apps in the Windows Store as a 2D app.Target platform set to Windows.universaltargeting Windows.universal Microsoft's platform has been changing over the past few years, so developers tend to have different starting points, so here are some guidelines to help developers of different starting points

Ngui Structure UI Root (2D) for creating a UI UI object with a camera parameter of simple 2DUseNGUIcreated byCameraparameter isSimple 2Dof theUI, it will spawn in the game scene.1a name ofUI Root (2D)Object , and this object also contains the3a different object:Camera,Anchorand thePanel,1-4is shown. This section describes each of these4a Game Object This article is selected from Ngui from the beginning to t

Let's talk about the 2D implementation of the water surface effect (1) and the 2d implementation of the water surface. 0. Introduction I have always wanted to write my own understanding about the 2D implementation of water surface effects. Unfortunately, I have been dragging on for various reasons. Fortunately, some things have come to an end recently, and I have

Ngui Structure UI Root (2D) for creating a UI UI object with a camera parameter of simple 2DThe camera parameter created with Ngui is a simple 2D UI that generates 1 game objects named UI Root (2D) in the game's scene, with 3 other objects under it: Camera, Anchor, and Panel,1-4. This section describes each of the 4 game objects selected from Ngui from beginner t

PHP filters 2D arrays and 3D arrays, and php 2D arrays. PHP filters two-dimensional arrays and three-dimensional arrays. php two-dimensional array 1? Php23 $ arr [4 [, 9], 5 [, 0] 6]; 7 $ arr2 [8 list [9 [,], 10 [2, 4, 6, 8], 11 [3, 2, 9, PHP filters two-dimensional array and three-dimensional array, php two-dimensional array 1 [ 9 [1,3,5,7],10 [2,4,6,8],11 [3,2,9,0]

IOS 2D plotting (Quartz 2D) path (point, straight line, dotted line, curve, arc, elliptical, rectangle) A path can contain one or more shapes and subpaths. quartz provides many convenient shapes that can be called directly. For example, point, line, Arc, Curves, Ellipse, and Rectangle ). You can perform stroke or fill on these paths, or use path to intercept a region (clip ). For example, you can interce

2D Z 2D drawing and quartz2d drawing Quartz 2D drawing can only be rewritten to drawRect in UIView: This method is used for drawing. It is invalid in other places and an error is returned. Drawing Process: 1. Obtain the context CGContextRef context = UIGraphicsGetCurrentContext (); 2. Add the graph CGContextAddRect (context, CGRectMake (50, 50,100,100 )); 3. Draw

See "2D Matrix" this tall on the noun, some students may have a fear, "matrix", looks very advanced appearance, I still see simple bar. In fact this article is very simple, you only need to have a little CSS3 transform foundation is good.No foreplay, straight to the subject.The three-dimensional matrix refers to the elements in the 2D plane, such as scaling, panning, rotation, stretching four kinds of chang

2D impeller rotation and 2d impeller rotation based on HT for Web vector Previously, some static elements were used in topology applications. Today, we will design a moving element, impeller rotation, on the topology. Let's first look at what the impeller model looks like. From the model perspective, this impeller model has three blades, each of which is irregular and obviously cannot be spliced using the

Graphic context explanation of Quartz-2D drawing, quartz-2d Context The previous article roughly described the things in Quartz, but did not talk about the specific implementation details and how to call the corresponding API. This article describes the specific operations of the graphic Context. The so-called Graphics Context represents a drawing target, that is, the place where you plan to draw. It contai

LeetCode 74 Search a 2D Matrix (Search 2D Matrix)Translation Write an efficient algorithm to find a value in a matrix of m x n. This matrix has the following attributes: the integer numbers of each row are sorted from left to right. The first element of each row is larger than the last column of the previous row. For example, consider the following matrices: [1, 3, 5, 7], [10, 11, 16, 20], [23, 30, 34, 50]

PHP filters 2D arrays and 3D arrays, and php 2D arrays. 1

Filters PHP two-dimensional arrays and three-dimensional arrays, and filters php two-dimensional arrays. PHP two-dimensional array and three-dimensional array filtering, php two-dimensional array is not much nonsense, directly paste code for everyone, the specific code is as follows: php $ arr [[,], [,]; $ arr [l PHP two-dimensional array and three-dimensional array filtering, php two-dimensional array If you don't talk much about it, paste the code directly. the specific code is as follows: T

Given a 2D matrixMatrix, Find the sum of the elements inside the rectangle defined by its upper left corner (Row1,Col1) and lower right corner (Row2,Col2 ). The above rectangle (with the red border) is defined by (row1, col1) = (2, 1) and (row2, col2) = (4, 3 ), which Contains sum = 8. Example: Given matrix = [[3, 0, 1, 4, 2], [5, 6, 3, 2, 1], [1, 2, 0, 1, 5], [4, 1, 0, 1, 7], [1, 0, 3, 0, 5] sumregion (2, 1, 4, 3) -> 8 sumregion (1, 1, 2, 2)-> 11

Php 2D array passed to js issue resolution record, 2D array js Requirements: Php reads two-dimensional arrays from the database and passes them to js. Steps: Php: json_encode → json → js: eval In php, json_encode () is used to convert the two-dimensional array of php into json format, transfer it to js, and parse the two-dimensional array of js using eval. Code: Php: Js: Problems: 1. When the two

PHP 2D array rectangle transpose instance, 2D array rectangle PHP two-dimensional array rectangular transpose instance The above two-dimensional PHP array rectangular transpose example is all the content shared by the editor. I hope to give you a reference, and hope you can also support the help house.

translation写一个高效算法用于在一个m x n的矩阵中查找一个值。这个矩阵有如下属性：每行的整型数都是从左到右排序的。每行的第一个元素都比上一行的最后一列大。例如，考虑如下矩阵：[ [1, 3, 5, 7], [10111620], [233034503，返回true。OriginalWrite an efficient algorithm thatSearches forA valueinchAn M x n matrix. This matrix has theFollowing properties:integersinchEach row is sorted fromLeft toRight. The First integer ofEach row is Greater than the Last integer of thePrevious row. For Example,consider theFollowing matrix:[[1,3,5,7], [Ten, One, -, -], [ at, -, the, -]]given