Install the node8.x version and install the following two commands to install Uirecorder node:https://nodejs.org/en/download/npm install-g cnpm--registry=https:// registry.npm.taobao.org cnpm Install uirecorder mocha–g uirecorder Test command Uirecorder--version the Uirecorder logo is installed successfully. (Note: Refer to the bloghttp://www.imdsx.cn/index.php/2017/11/10/uirecorder/ installation is also possible) Open cmd into the folder directory you created, I created: E:\Uirecorder-1Enter Ui
An error was found:A module.js:545 error has occurred. Looking for a long time always thought of npm problem. Re-installed a few times or not.Then switch the download Taobao NPM image, set the method is: NPM config set registry
= Window.setinterval ("slider.names[" +this.id+ "].decycle ()", this.timer);/Set Action loop
}
}
Slider.prototype.cycle = function ()//Single Step loop action
{
var OPA = this.target.style.filter.split ("=") [1].split (")") [0]//Gets the transparency value of the target Div
var opastep = Math.Round ((100-number (OPA)/this.step) +2.5)//Calculate increased transparency per step
var Nopa = number (OPA) + number (opastep);/Current transparency
if (nopa>100) {this.target.style.filter = ' Alp
= function (){If (this. status = 1) // check whether the status has been expanded{This. intervalid = window. setInterval ("slider. names [" + this. id + "]. decycle ()", this. timer); // set the action Loop}}Slider. prototype. cycle = function () // One-Step cyclic action{Var opa = this.tar get. style. filter. split ("=") [1]. split (")") [0] // gets the transparency value of the target divVar opastep = Math. round (100-Number (opa)/this. step) + 2.5); // calculate the transparency of each step
thread (NextThread-> DebugActive) to be switched and assign it to Debug in KPCR.Active. Save ESP to the kernel stack of the old thread (CurrentThread-> KernelStack) to be switched,And the stack in the new thread (NextThread-> InitalStack, NextThread-> StackLimit) to be switchedThe start address and size are assigned to the corresponding location in KPCR. Continue to get the new thread (NextThread-> NpxStaThe NPX status in te) is compared with the
The first collection, used to look at1. Euclidean distance (Euclidean Distance)Euclidean distance is one of the easiest distance calculations to understand, derived from the distance formula between two points in Euclidean space.(1) Euclidean distance between two points a (x1,y1) and B (X2,y2) on a two-dimensional plane:(2) Euclidean distance between two points a (X1,Y1,Z1) and B (X2,Y2,Z2) in three-dimensional space:(3) Euclidean distance between two n-dimensional vector A (x11,x12,..., x1n) an
Installation
At the initial stage, you can use the online editing site to learn react basic grammar.Starting with Hello world, you can write on Codepen, or Codesandbox.Of course, you can also use NPM or yarn to install dependencies and develop locally.This first explains how to create a react project through Create-react-app, which will explain in detail how to create a react project with Webpack.Create-react-app
Detailed documentation can go to GitHub to view Github.com/facebook/create-react-ap
= SavefigImportMatplotlib.pyplot as Pltplt.plot ([1, 2, 3]) Plt.savefig ("Plot123.png") Plt.savefig ('Plot123_2.png', dpi=200)#ImportMatplotlib as mplmpl.rcparams['figure.figsize']mpl.rcparams['savefig.dpi']mpl.reparams['Agg']9 This summary all code examplesImport Matplotlib.pyplot as Pltplt.plot ([1, 3, 2, 4]) plt.show () import matplotlib.pyplot as Pltx = Range (6) Plt.plot (x, [xi* * * for XI in x]) plt.show () import Matplotlib.pyplot as Pltimport numpy as
The window.showModalDialog () method is used to create a modal dialog box that displays HTML content.1, Version support:ShowModalDialog () (IE 4+ support)2. Syntax:Vreturnvalue=window.showmodaldialog (Surl[,varguments][,sfeatures]);3. Parameter explanation:sURL the required string is used to specify the URL of the page to display for the dialog box.Varguments optional variants are used to pass parameters to the dialog box. Parameter types are not limited.The dialog box uses window.dialogargument
appearance and other information of the dialog box.
4. sfeatures parameter description
Parameter Name
Parameter attributes
Description
Dialogheight
Npx
Dialog height, not smaller than PX
Dialogwidth
Npx
Dialog Box width
Dialogleft
Npx
Distance from the left of the Main W
Window. showModalDialog syntax, showmodaldialog
The window. showModalDialog () method is used to create a modal dialog box that displays HTML content.
1. supported versions:ShowModalDialog () (IE 4 + supported)
2. Syntax:VReturnValue = window. showModalDialog (sURL [, vArguments] [, sFeatures]);
3. Parameter explanation:A required sURL string is used to specify the URL of the webpage to be displayed in the dialog box.An optional variant of vArguments is used to pass parameters to the dialog box.
Scenario Description:Display some data in the mobile browser, which is preceded by small icons, requiring: small icons and text horizontally aligned.Problem Analysis:There are a lot of solutions to the problem of picture-and-text landscape, but it is still the same line of pictures and words on the display.Implementation scenarios:Programme one:The wording is simple, but this compatibility has a lot of problems.. m-icon{Display:inline-block;Vertical-align:middle;Padding-right:1em;Height:1em;Back
simple to use.
The most basic thing is that a Vector represents a point/Vector in a two-dimensional space, with only x, y members.
On this basis, Circle represents the Circle, member center: Vector represents the center, radius: number represents the radius, and speed: Vector represents the speed.
Then encapsulate some self-use member functions.
Development Environment
TypeScript + Webpack-dev-server is not complex. refer to the following content:
Webpack/Getting Started
Webpack/Typescript
Border-radius, box-shadow, and gradient )., Css3border-radius
Prefix
-Moz (for example,-moz-border-radius) is used for Firefox.-Webkit (for example,-webkit-border-radius) is used for Safari and Chrome.
Css3 rounded corner code
Effect:
Other statements:
Border-radius: 5px 15px 20px 25px;Upper right lower leftCss3 shadow:Syntax:
Outer shadow: box-shadow: x y Npx # color;
Inner shadow: box-shadow: inset x y Npx
efficiently.Explain:See this article, where possible four transformations should be selected:
Transform:translate (NPX, npx); Transform:scale (n); Transform:rotate (ndeg); opacity:0..1;
Typically, you can use translate instead of left as an animated property.Example:
/* Good */ . box { transition:transform 1s; } . Box:hover { transform:translate (20px);/* Move right for 20px */* * B
poor performance, resulting in difficulty reading.
5 transformations and animations You should specify transition-property when using transition.Example:
/* Good */ . box { transition:color 1s, border-color 1s; } /* bad */ . box { transition:all 1s; }
As much as possible, add transitions and animations to the properties that the browser can implement efficiently.Explain:See this article, where possible four transformations should be selected:
Transform:translate (
(inherit parent element)
100-900 must be an integer multiple of 100
Font-variant (set font capitalization)
Normal (default)
Small-caps (use small capital letters)
Inherit (inherit parent element)
Font-style (sets the style of the font)
Normal (OK)
Italic (Italic)
Oblique (tilt body)
Inherit (inherit parent element)
Text-transform (Sets the case of the text)
Capitalise (first letter capital)
Upp
Wenquanyi Micro Hei
Example:{ font-family: "Microsoft Yahei";}4.2 Font Size(1) The Chinese content that needs to be displayed on the Windows platform should be no less than 12px in size. (Explanation: Because the Chinese font does not have the Italic style implementation, all browsers will be fallback to the Obilique implementation (automatically fitted to italic), under the small font size (especially under the small font size under Windows under the circumstances) display p
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