Category:Others

  • PHP regular expression complete tutorial improvement

    Time:2020-4-6

    The previous article shared the basic part of PHP regular expression security tutorial. This article will continue to extend the knowledge about PHP regular expression. See the following for details. Operation priority of various operators in PHP regular expressions The operation of the same priority is from left to right, and the operation of different […]

  • How to check CPU performance and core number?

    Time:2020-4-6

    If you want to view the CPU performance and other parameters, how can you view them? Let’s take a look at the detailed tutorial. 1. Hold with one handCTRL and shift,On the other hand, click ESC. Can be called out“Task Manager”, or right-click the taskbar,Select task manager. 2. Select“performance”Tab. 3. You can seeThe main frequency […]

  • How can scratch create Cherry Blossom dynamic applet?

    Time:2020-4-6

    In scratch, if you want to realize the program of Cherry Blossom opening by programming, and show the whole process of cherry blossom from opening to falling and then growing a new page, how to operate? Let’s take a look at the detailed tutorial. Software name: Scratch programming tool v1.4 official installation Chinese version Software […]

  • PHP regular expression is the essence of complete tutorial.

    Time:2020-4-5

    Some examples of PHP regular expressions Regular expression description /B ([A-Z] +) 1B / GI the position where a word appears continuously /(W +): / / ([^ /:] +) (: D *)? ([^] *) / resolves a URL to a protocol, domain, port, and relative path /^(?: chapter|section) [1-9] [0-9] {0,1} $/ locate the position […]

  • What is the computer desktop folder? Location of the computer desktop folder

    Time:2020-4-5

    First of all, we need to know what kind of folder is desktop? The desktop folder is the desktop folder, so it’s on disk C. today we’re going to share the tutorial of viewing the location of the desktop folder on the computer. 1. Let’s first open the【My computer】 2. Then click to open the […]

  • How to display package level in eclipse project? How to display package level in eclipse project

    Time:2020-4-5

    When developing an eclipse project, there may be many layers of packages in the project. How to display the package level? Let’s take a look at eclipseTutorials that make package level display. Software name: Official free version of eclipse 4.8 localization package (with installation and use tutorial) Software size: 1.64MB Updated: 2018-06-29 1. First of […]

  • The method and skill of regular expression intercepting string

    Time:2020-4-4

    There is a string: [number] string Result Take a = number B= string Intercept method 1: int a = Convert.ToInt32(txt1.Text.Trim().Replace(‘[‘, ‘]’).Split(‘]’)[1]); string b = txt1.Text.Trim().Replace(‘[‘, ‘]’).Split(‘]’)[2]; Interception method 2: String STR = “[number] string”; Regex reg = new Regex(@” ([^]+)\](.*)”); string a= Convert.ToInt32( reg.Match(str).Groups[1].Value); string b= Convert.ToInt32( reg.Match(str).Groups[2].Value); Intercept method 3 String tempstr = “[number] […]

  • What is the computer keyboard tab? Introduction to the functions of the computer keyboard tab

    Time:2020-4-4

    When we use computers, keyboards are essential,The tab key on the keyboard is the basic key we use, many people don’t know how to use it in detail. First, let’s take a look at the meaning, usage and function of tab key. Tab key is the abbreviation of tabulator key, which means “the person who […]

  • How can scratch add clothing store background?

    Time:2020-4-4

    When you program scratch, you often need to add different backgrounds to meet the needs of scene expression. How to add the background map of clothing store? Let’s take a look at the detailed tutorial. Software name: Scratch3.0 offline editor v3.4.0 free installation in Chinese Software size: 170.7MB Updated: 2019-08-31 1. Start scratch software and […]

  • Regular expression matching IP address and domain name

    Time:2020-4-3

    A complete domain name consists of root domain, top-level domain, secondary domain and tertiary domain The domain name is composed of letters, numbers and minus signs (the first letter cannot be a minus sign), which is not case sensitive and no longer than 63. A single name can be defined by the regular expression [a-za-z0-9] […]

  • How do computer pictures use drawing tools to make desktop icons?

    Time:2020-4-3

    To make desktop icons, we can use drawing tools to make them in the world. Let’s take a look at the tutorial of making desktop icons from computer pictures. 1. First of all, weRight clickA picture used to make an icon. ChoiceOpen modeUseDrawing with computerOpen. 2. Click thefile, mouse overSave asChooseBMP pictures。 3、Select Save LocationIt’s […]

  • How can sublime quickly create a simple web page?

    Time:2020-4-3

    Sublime can make a simple page, how to make the page amount? Let’s take a look at the detailed tutorial. Software name: Sublime text 3 (code editor) v3.3176 cracking Chinese Special Edition Software size: 18MB Updated: 2018-10-25 1. Create a new folder on the desktop. 2. Open the folder and create a new oneHTML file。 […]