Course Intermediate  10540

Course Introduction："JavaScript Core Programming Video Tutorial" This course was recorded by Beifeng.com. JavaScript is a literal scripting language. It is a dynamically typed, weakly typed, prototype-based language with built-in support for types. Its interpreter is called the JavaScript engine, which is part of the browser and is widely used in client-side scripting languages. It was first used on HTML (an application under Standard Universal Markup Language) web pages to add dynamic functions to HTML web pages. .

Course Elementary  17986

Course Introduction：Go is a compiled system programming language that supports concurrency and garbage collection. It aims to create a programming language with a good balance between the high performance of static compiled languages ​​and the efficient development of dynamic languages. We have collected this set of "Go Programming Basics Video Tutorial", hoping to help everyone learn the go language better

Course Elementary  3199

Course Introduction：This course mainly explains the basic syntax of JavaScript, including the latest web API, DOM, BOM operations, production of web page special effects on mobile terminals, etc. The course is designed in a closed-loop manner, with key content and comprehensive intensive exercises through complete cases or projects, allowing students to apply what they have learned.

Course Elementary  2171

Course Introduction：Concurrent programming is a technology used to improve the running speed of programs, including multi-threading, multi-process, asynchronous IO and other means; this course challenges the concurrent programming technology of Python; transforming web crawlers to crawl concurrently, and transforming web services to run business logic concurrently.

Course Elementary  30307

Course Introduction：1. How to overcome inertia and force yourself to calm down and study? 2. If you encounter difficulties, how can you get answers quickly? 3. What should I do if I always have trouble paying attention during lectures and can’t remember? 4. There are many things that I know well as soon as I hear them, but I make mistakes as soon as I write them. What should I do? 5. What is the difference between studying on your own and enrolling in a training class? 6. I want to study, but I am busy with work and have no time. What should I do?

Course Introduction：Lenovo laptop warranty period: 1. The Lenovo laptop warranty period is one year, and the service type during the warranty period is customer repair. Warranty scope: main components motherboard, graphics card, CPU, memory (including eMMC), display screen, hard drive (including solid state drive), keyboard, and power adapter. 2. Lenovo laptop warranty period: motherboard components: motherboard, graphics card, etc., warranty is 3 years. Main components: CPU, memory, etc. 2 years. Complete machine: network card, card reader, etc. 2 years. Software: 3 to 12 months. The warranty period of Lenovo notebooks starts from the date of first purchase of the product, and is based on the invoice date. 3. Lenovo laptops have a one-year warranty for the entire machine and a 2 or 3-year warranty for key components. Among them, the motherboard components: motherboard, graphics card, etc., have a 3-year warranty. Key components: CPU,

2024-03-22 comment 0  1718

Course Introduction：How long is the warranty period for Apple computer batteries? 1. One year. According to the official website, the warranty period for Apple batteries is usually one year, calculated from the date of purchase. If you find that the battery has quality problems during the warranty period, you can get official Apple repair services or replace it with a new battery for free. 2. The battery warranty of Apple tablets is one year, starting from the date of purchase. 3. Replaced parts and accessories enjoy the remaining period of the original one-year warranty or the 90-day warranty period from the date of replacement, whichever is longer. Replaced major components enjoy a recalculated 2-year warranty. If there is a problem with an accessory, it will be replaced with a brand new accessory. 4. The included accessories and batteries have a 1-year warranty. AppleCareProtectionPl can be purchased separately

2024-04-26 comment 0  665

Course Introduction：PHP programming must learn verification code every day, PHP programming verification code. Verification code that you must learn every day in PHP programming, PHP programming verification code. This article shares the implementation code of PHP picture verification code for everyone, and shares it with you for your reference. The specific content is as follows 1. Verification code picture

2016-07-12 comment 0  1042

Course Introduction：The Art of Programming: Encapsulating a verification code class (php). Encapsulate a verification code class validationcode.class.php ?php class ValidationCode { private $width; private $height; private $codeNum; private $image; //Image resource private $disturbColo

2016-07-14 comment 0  864

Course Introduction：When some users purchase XFX graphics cards, they don't know what XFX's specific warranty policy is. Users who don't know the specific warranty don't need to worry. Now I'll give you a detailed introduction. Let's take a look. What is the warranty for XFX graphics cards? XFX provides three guarantees from the date of purchase: seven days for refund, eight to fifteen days for replacement, and two years for repair. Abnormal use, improper operation and man-made damage are not covered by this warranty. XFX Graphics Card Warranty Extended Reading: 1. The validity period of the graphics card's three guarantees is 2 years, starting from the dealer's sales certificate. If there is no certificate, then the product's barcode label shall prevail. 2. Within seven days of sale, if there is a quality problem with the product, you can return or exchange it in full. Within eight to fifteen days, if there is a quality problem, you can

2024-01-08 comment 0  1911