tombstone examples

,dtype])>>> Np.eye (2, Dtype=int) Array ([[1, 0], [0, 1]]) >>> Np.eye (3, k=1) array ([[0], 1., 0.], [0., 0., 1 .], [0., 0., 0.])4.identity (n [, Dtype])>>> np.identity (3) Array ([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]5.ones (Shape[,dtype,order])>>> Np.ones (5) array ([1., 1., 1., 1., 1.]) >>> Np.ones ((5,), Dtype=np.int) array ([1, 1, 1, 1, 1]) >>> Np.ones ((2, 1)) Array ([[1.], [1.]]) >>> s = (2,2) >>> Np.ones (s) Array ([[1., 1.], [1., 1.])6.ones_like (A, Dtype=none, order= ' K ', subok=t

Surface Shader Illumination ExampleHere are some examples of custom lighting models and surface shaders. The usual surface shader examples are here.Because delayed illumination does not perform well in some custom light-to-material lighting models, in most of the following examples, we have shader compiled into forward rendering only.Diffuse reflectance (diffuse)

Original address: Ten machine learning Examples in JavaScriptIn the past year, Libraries for machine learning (machines learning) have become increasingly fast and easy to use. Python has always been the language of choice for machine learning, but now almost all languages are used for neural networks (neural networks), which of course includes javascript!In recent years, the Web ecosystem has made great strides, and although JavaScript and node. js p

The examples in this article describe JavaScript closures (Closure) usage. Share to everyone for your reference, specific as follows: Closure is translated into "closure", feeling that it is too scholarly to be packaged. The following bibliography and online resources are briefly discussed (please note the improper understanding). 1, what is closure The official answer: The term "closure" refers to an expression (usually a function) that has many v

Css General notes 02 -- float, clear (three examples), css02 Float and clearance are usually used in css, and they are also a required knowledge point. The concept is not much to mention. Here are several examples to illustrate its usage: 1. text surround effect 2. multiple divs are displayed side by side. 3. clear floating (displayed by default) I. Text surround effect: The html code is as follows: 1 Exp

In JQuery, you can use the get, post, and ajax methods to transmit data to the server. Next, we will introduce the ajax-get () method examples in jquery through this article, if you have any need, you can refer to the get, post, and ajax methods used in jquery to transmit data to the server. Next, we will continue to learn the ajax-get () method in jQuery through this article, for more information, see the following section. Instance Use ajax get req

Breadth-First search (BFS) (with examples) questions arise:Isenbaev is a foreign Daniel.Now there are many people who want to take part in ACM ICPC.There are altogether n groups, each group of 3 persons. All 3 people in the same group are teammates.Everyone wants to know what the minimum distance is from Daniel.Daniel's minimum distance with himself is of course 0. The minimum distance between Daniel's teammates and Daniel is 1. Daniel's teammate's te

First, let's take a look at two special characters: '^' and '$'. they are used to match The start and end of The string respectively. The following are examples: ^: match a string starting with The; ofdespair $: match a string ending with ofdespair; ^ abc $: match a string starting with abc and ending with abc. In fact, only abc matches The string; notice: first, let's take a look at two special characters: '^' and '$'. they are used to match the star

In unix and linux, the chmod command is used to change the permissions of files and directories. This is a must for unix and linux users to be familiar with many In unix and linux, the chmod command is used to change the permissions of files and directories. This is one of the many basic commands that unix and linux users must be familiar. In this tutorial on unix commands, we will learn how to use the chmod command to change the file permissions and what file permissions refer to in unix. We wi

Although most designers do not personally write the actual content of the site, they are still critical to the overall quality of the content. The designer's role is to ensure that the content is presented in a way that is readable enough. There are many ways to keep your fonts readable and easy to use, but I'm not going to give you any rules or terms that you can do or what you can't do, and I bring you examples and analysis of clever use of fonts.

Examples of common statements in the twig template and summary of the twig template. Examples of common statements in the twig template, and summary of the twig template this article describes common statements in the twig template. For your reference, please refer to the following details: Examples of common statements in the twig template and summary of the twi

Many beginners C # friends for events and interfaces are puzzled, do not understand the relationship between them, I will use examples to explain the simple analysis.Event, which represents an event with the event modifier, we want to create a C # event that must sweep the line in the following order:1, create or identify a delegate. For example, the public delegate void Dele () in the following example; The delegate keyword notifies the compiler that

This article mainly introduces the use of closures in python, analyzes the concept and related usage skills of closures in Python in the form of examples, and has some reference value, for more information about how to use closures in python, see the examples in this article. Share it with you for your reference. The specific analysis is as follows: What is a closure? To put it simply, closures get differe

This article mainly introduces C # serialization and deserialization (Serialize,deserialize) methods, examples of C # serialization and deserialization of common techniques, the need for friends can refer to the followingThe examples in this paper describe the implementation of C # serialization and deserialization (Serialize,deserialize). Share to everyone for your reference. The specific analysis is as fo

Original address: Http://www.claudiokuenzler.com/blog/436/nginx-rewrite-url-examples-with-without-redirect-address#.VY9nfJeqqkoNginx can handle the rewrite parameter differently, depending on the destination syntax.Here is some examples how to define redirects and URLs rewrites in Nginx.server {server_name www.example.com;root/var/www/www.example.com;Location/{Rewrite ^/$ http://websrv1.example.com/mypage r

Examples of common PHP mathematical functions and BC high-precision mathematical functions, high-precision mathematical functions This article provides examples of common PHP mathematical functions and BC high-precision mathematical functions. We will share this with you for your reference. The details are as follows: 1. Addition of any bcadd precision2. subtraction of any bcsub precision3. bcmul multiplica

Functions and examples of isPrototypeOf functions in JavaScript This article mainly introduces the functions and examples of isPrototypeOf functions in JavaScript. This article describes the functions, usage methods, and examples of isPrototypeOf functions. For more information, see In JavaScript, The isPrototypeOf function method returns a Boolean value indica

Recently do the project began to use ExtJS, did not contact the ExtJS, but I believe that through the persistence of learning and accumulation, will soon be able to use, hereby i record some of the study of the demo, do not be afraid to learn, is afraid of their own less practice, a skilled to be born skillfully, more practice will certainly, nonsense not more say, start recording Walk you:Prepare in advance:To import the style sheets and class libraries required for Ext:Ext's code is written in

How to use indexes in MySQL for detailed analysis and examples can greatly improve the query speed by using indexes in database tables. Suppose we have created a testIndex table: CREATETABLEtestIndex (I _testIDINTNOTNULL, vc_NameVARCHAR (16) NOTNULL); we randomly inserted 1000 records into it, one of which is How to use indexes in MySQL for detailed analysis and examples can greatly improve the query speed

"AngularJS" 5 examples of detailed directive (instruction) mechanismThis article has organized and expanded the contents of the sixth chapter of the book "AngularJS", which will be published by the electronic industry press recently, please expect password: Angular1. A little noteThe role of directives: implementing semantic taggingThe HTML tags we use are like this:and using Angularjs's directive (instruction) mechanism, we can implement something li