Eight Poems by Joshua Bloch and tiger
"Degree of development" is the main selling point of j2se 1.5. Therefore, this version includes seven new language features: enhanced for loop, autoboxing/auto-unboxing, varargs, static import, enumeration, metadata, and generics. By using these features, you can make the compiled programs more concise, clearer, and error-prone, thus simplifying the development process.
Joshua
Presumably, Java users have used JDK containers, List, Set, and Map. Every day, the code runs in thousands of JVMs around the world, and every day programmers are using these classes. Do you know who wrote these cool code? Is Joshua Bloch. He used to work in Sun. Now he jumped to Google and Google is invincible. He is a master. Although he is a master, he is also writing code, so such a person's article must be down-to-earth. Instead, some of them onl
Author Josh Long translator Song posted on May 5, 2010 9:7 P.M.
Josh Bloch has made an outstanding contribution to the Java platform for many years at Sun (if you have used the Java collections framework to understand this), now Google is taking office, is the award-winning book "Effective Java" and "effective Java The author of the second edition. He recently gave a speech at the Web-based Red Hat Middleware 2020 conference, which was designed to sh
input data with scanf, the output of the calculation results require a text description, take the decimal point after 2 digits. the circumference length, circle area, sphere surface area, sphere volume and cylinder volume are obtained. Program:#include int main (){float H,r,c,s,sq,vq,vz;float pi = 3.141526;printf ("Please input circle radius r, Cylinder high H:");scanf ("%f,%f", r,h);c = 2 * PI*R;s = pi*r*r
Unity creates a sphere the default is not to see the inside of the sphere, so you need to use cull Front to modify the direction of culling, which will bring a new problem,The video being played is flipped like a mirror, so change its UV coordinates so that it flips over to float u_x=1-i.uv.x; float u_y=i.uv.y; i.uv=float2(u_x,u_y); 1Shader"Unlit/unlitshader"2 {3 Properties4 {5_maintex
The ball is closely related to the circle. One is three-dimensional and the other is two-dimensional. For details, see circle and elliptical.
(1) method 1 of Sphere
vertices = D1:100 D2:100t = from 0 to (PI*2) D1r = from 0 to 1 D2x = 2*r*sin(t)*sqrt(1-r^2)y = 2*r*cos(t)*sqrt(1-r^2)z = 1-2*(r^2)
Gridlines of the ball:
(2) Two other ways of writing sphere
vertices = dimension1:36 dimension2:72u = from 0 t
Set the circle radius r = 1.5, the cylinder height H = 3, the circumference is long, circle area, sphere surface area, sphere volume, cylinder volume//requirements: With scanf input data, take the decimal point two # # # # # "C" Set Circle radius r = 1.5, cylinder height h = 3, circle length, circle area, sphere surface area,
Three. js source code annotation (14th) Math/Sphere. js
// File: src/math/Sphere. js/*** @ author bhouston/http://exocortex.com * @ author mrdoob/http://mrdoob.com/* // Sphere object constructor. creates a sphere object in a 3D space. the function functions of the Sphere o
FeedRecently a series of physics related, first of all to summarize some of the things written last year, and then see if you can masturbate a physics engine out.Ray detection in the previous write Ray tracking when there are some written, but at that time is relatively simple to write, just recently work on the use of these, so good to write.Write Ray Sphere's collision detection today.Environment:Unity5.2.3 Windows10 64bitStartDefine a class to record the intersecting informationpublic class R
Time limit:1 Sec Memory limit:162 MBsubmit:6890 solved:3627[Submit] [Status] [Discuss]
DescriptionThere is a spherical space generator capable of producing a hard sphere in n-dimensional space. Now that you're trapped in this n-dimensional sphere, you only know the ball.The coordinates of the n+1 points on the surface, you need to determine the spherical coordinates of the n-dimensional
The following articles are reproduced to http://blog.csdn.net/i_dovelemon/article/details/32904251, thanks to bloggers for sharing knowledge and learning from bloggers.
Introduction
In 3D collision detection, in order to speed up the efficiency of collision detection and reduce unnecessary collision detection, basic geometry is used as the bounding body of the object (bounding Volume, BV) for testing. Collision detection of the basic bounding body is relatively inexpensive and much easier,
rows greater than line I from the main element of this column. It is important to note that the main element should not be 0 and not very small, otherwise it will seriously affect the accuracy (that is, if it is small, it cannot reflect the denominator). So we are going to find the largest of column I, and then exchange it with the current line at each elimination, so that we can get the maximum main element.The problem of determining the non-solution and infinite solutions in Gauss is still to
Hello everyone, github.com/tuohai666 (the sea) today to share the Sharding-sphere launched by the blockbuster products: sharding-proxy! In the previous Sharding-sphere 3.0.0.M1, the first release of the Sharding-proxy, the new product in the end? This hope through a few optimization practice, let everybody glimpse, from a few details point can imagine sharding-proxy of the whole picture. More detailed MySQL
Recently in this sharding-sphere, the company's internal sub-database sub-table is in this business code on the logical sub-database sub-table, but this is always bad, but also research several sub-database sub-table middleware, Mycat, NetEase Cetus, Ali DRDs, which is a strong background, Large companies after a lot of actual combat, maturity is very high, and the framework Sharding-sphere relatively light
Preface
Cloud computing provides users with pay-as-you-go computing capabilities, storage capabilities, and service capabilities to facilitate users and greatly reduce their hardware and software procurement costs.
One is to provide convenience and improve capabilities, and the other is to reduce expenses.
I. Sector/sphere Platform
1. Sector/sphere consists of two parts: Sector Distributed File Syst
Labels: Graphics OpenGL
I haven't updated my blog for a long time. I recently studied OpenGL graphics programming and wrote some interesting programs. Let's talk about it.
The sphere is widely used as a basic geometric image in game programs. The most well-known is that it can be used as a sky dome to simulate the sky, which is more detailed than the sky box, even with other special effects, it is not easy to wear.
We should have learned
Subtract the upper and lower two equations and then Gaussian elimination
1013: [JSOI2008] spherical space generator sphere time
limit: 1 Sec
Memory Limit: 162 MB
Submit: 2901
Solved: 1517
[Submit] [Status] [Discuss]
DescriptionThere is a spherical space generator capable of producing a hard sphere in n-dimensional space. Now that you are trapped in this n-dimensional
Three. js source code annotation (14) Math/Sphere. js, three. jssphere. js
Wuji (http://blog.csdn.net/omni360)
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Reprinted please keep this sentence: Wuji-this blog focuses on Agile development and mobile and IOT device research: data visualization, GOLANG, Html5, WEBGL, THREE. JS. Otherwise, the post from this blog will not be reprinted or reprinted. Thank you
-------------> trim coordinates---------------> normalized device coordinates-------------> window coordinates
we are going to draw a sphere, then we have to cut the sphere first, cut horizontally into several points, take a part of it out is a ribbon, this part of the cut will be a parallelogram belt, the following figure.
Note: Because OpenGL in the elimination of the surface is usually removed from th
We can use a sphere as the sky dome to simulate the sky.
Sky Dome is the sky dome. It is a way to simulate the sky in 3D scenarios. The sky simulated by Sky Dome is more realistic than sky box, it is easy to apply the fog effect to sky box scenarios, but sky dome does not. Because sky box is a square, the distance from the viewpoint to each vertex is not equal, and sky dome is a sphere, when the viewpoint i
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