bsf notes

. Net notes, sppnet notes 1, document. getElementById GetElementById is used to set/return the attributes of HTML tags and call their events and methods.Using this method, you can basically control all the tags on the page. The condition is very simple, that is, assign an ID number to each tag.Returns a reference to the first object with the specified ID attribute value. Syntax: var inTag = document. getEle

Use Visual Studio Code to Develop Asp. Net Core WebApi learning notes (1) -- start, webapi learning notes This document describes how to install Visual Studio Code development tools,. Net Core 1.0 SDK, and develop a simple Web-Demo website in Windows.1. Install Visual Studio Code Installation File: VS Code. The latest version is 1.3. We recommend that you install the latest version. With the Debug plug-in,

X3DOM 1.6.1 release notes, x3dom1.6.1 Release Notes X3DOM 1.6.1 mainly includes some new features and bug fixes. It is a 1.6 maintenance update version. Features ClipPlane support Example here and documentation here TwoSidedMaterial support Example here and documentation here SphereSensor support Document here Problem repair and improvement Enhancem

Threads give up lab [RT-Thread Study Notes 4], rt-thread Study Notes API: rt_thread_yield Call in the thread function. This thread releases the MCU. If there are other tasks with the same priority in the waiting status, the right to use the MCU is obtained. Giving a thread out is an opportunity for the OS to schedule tasks. Create two threads and observe their results: // The thread gets the test void yield

Thread priority preemption experiment [RT-thread Study Notes 3], rt-Thread Study Notes At the same time, the thread is in the ready state and runs first with a higher priority. When a high-priority task is ready, the low-priority task gives way to the CPU, so that the high-priority task is executed first. Create two task functions: // Preemptible void thread1_entry (void * parameter) {rt_uint32_t count = 0;

HTML study notes, html notes 1. video tag Src: Path Height: height Width: width Autoplay: automatic playback after video Loading Controls: controls provides temporary operation buttons for playing. 2. audio tag Same as above 3. canvas 3.1 draw a regular rectangle 　 Var PC3 = document. getElementById ("c1"); var c2d = cc1.getContext ("2d"); // obtain the Drawing Object c2d. fillStyle = "# 0000FF"; // fill

. NET knowledge sorting notes,. net sorting notes 　　This article is written on your own. If you have any mistakes or do not want them to be fully supplemented !~ 1. node operations in the Web. Config configuration file. In the Web. write in Config. 2. Determine whether to send back and load for the first time. Page. IsPostBack = TRUE indicates sending back, and Page. IsPostBack = FALSE indicates loading fo

Cainiao's jQuery source code learning notes (1) and jquery source code learning notes JQuery is a self-called anonymous function: 1 (function (global, factory) {2 if (typeof module = "object" typeof module. exports = "object") {3 module. exports = global.doc ument? 4 factory (global, true): 5 function (w) {6 if (! Export Doc ument) {7 throw new Error ("jQuery requires a window with a document"); 8} 9 retur

MVC creates logon verification code learning notes using polar verification 7. mvc learning notes In previous projects, if verification codes were needed, they were drawn by using GDI +, which is simple and easy to use, but there are also some small problems. First, if there are few interference lines, the security is not very high, and the verification code is easy to be recognized by machines. If too many

HTML notes, html learning notes Focus on the separation of structure and style: 1. Write code by structure and semantics first 2. Set the CSS style. 3. Reduced HTML and CSS fit Precautions for using javascript: 1. Stable degradation 2. Learning from CSS: separating javascript 3. Backward compatibility 4. Performance Considerations: minimize access to DOM and tags, merge and place scripts, compress and optim

Htmlcss notes -- positioning, htmlcss notes -- 1. positioning: Position: relative (relative) Does not affect the features of elements; Do not make element reasoning for the original document stream; it also occupies the seat. Positioning element control: top/right/bottom/left positioning element offset. Absolute (absolute positioning) Disconnects elements from document streams, Enable embedded eleme

CSS3 implements special shadow (learning notes) and css3 learning notes Learning Source: MOOC http://www.imooc.com/view/240 Please refer to the following link for more information: HTML Structure 1 CSS style (the prefix of Each browser is omitted) 1/* Common class */2 body {font-family: Arial; font-size: 20px;} 3 body, ul {margin: 0; padding: 0; list-style: none;} 4. wrap {width: 70%; height: 200px; margi

Mobile frontend compatibility notes and mobile compatibility notes This arrow is implemented with a CSS-3, the entire code segment is as follows: Arrows can be normally displayed in various mobile browsers, but there is a problem in the native browser that comes with Android 2.x. The Arrow direction is incorrect, such: 　　 Solution: To. U-scrollLoad-tips I add this attribute. -webkit-transform:translate(0p

[Reading Notes] CSS authoritative guide, Reading Notes css authoritativeChapter 1 CSS and documentation CSS: cascading style sheet W3C: world wide web consortiam world wide web Alliance Element is the basis of a document. Replaced element: used to replace the content of an element, which is not directly indicated by the content of the document. Nonreplaced element: the content is displayed by the us

[Learning notes] [oc] pointer, learning notes oc 1. Take the value of a variable, either directly or indirectly Direct: Access variable Indirect: obtains the value of the variable through the memory address of the variable. The variable that stores the memory address is the pointer variable. 2. syntax for defining pointer variables: type * variable name : Obtains the address operator and the memory address

Take C's notes and C's notes [Unsigned] The range of data that an int can store in a 16-bit system is-32768 ~ 32767, while the unsigned data range is 0 ~ 65535. In a computer, integers are stored in the form of supplementary codes. According to the difference of the highest bit, if it is 1, the number of symbols is a negative number; if it is an unsigned number, it is interpreted as a positive number. In

MVC Study Notes 1. mvc Study Notes 1. If Action returns a custom reference type, the class name is returned by default. In fact, the tostring method of the class is called. 2.@ Html. partial is used to render the Partial view as a string @ {Html. renderPartial} writes the distributed view directly to the response output stream, so it can only be placed in the code block, not in the expression (return valu

[WPF] daily notes and wpf notes This document is designed to record small details in WPF development and is used as a memorandum. 1. Binding: Text = "{Binding AnchorageValue, Mode = TwoWay, UpdateSourceTrigger = PropertyChanged }" 2. About The ListBox Style

Front-end newcomers learning notes ------- basic html/css/js knowledge points, learning notes ------- html I am a software engineering college student who is about to graduate. I am looking for Android in the fall. I have come to the company for an internship this year and want to develop the front-end. So everything is only available now. Now I want to learn from the video, start this blog and record your

My C ++ notes (class and object) and notes object /** Main. cpp ** Created on: 2015-7-24 * Author: feiruo * // ** class and object: ** 1. abstract: * abstraction in Object-Oriented Methods refers to the process of generalization of specific problems or objects, extracting and describing the public properties of a class of objects. * Data abstraction: Describes the attributes or States of a certain object, t