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Article Introduction：We can utilize various functions or a combination of them to extract specific strings in Excel. Here are some key substring functions available in Excel:LEFTRIGHTMIDLENFINDTRIMTEXTBEFORETEXTAFTERLet's explore each of these functions in detail. You ca

2025-05-28 comment 0  841

Article Introduction：This Excel INDIRECT tutorial explains the function's syntax, basic uses and provides a number of formula examples that demonstrate how to use INDIRECT in Excel. A great lot of functions exist in Microsoft Excel, some being easy-to-underst

2025-05-11 comment 0  604

Article Introduction：The core functions of JavaScript are constantly being improved, and many new classes and functions have been added to assist programmers' work. However, some basic practical functions are still missing and need to be implemented with libraries such as jQuery, Prototype, and MooTools. While these tools are great, in some cases, using them seems a bit cumbersome. This article will introduce five practical functions that I think JavaScript should be built in. Key points: JavaScript lacks some basic practical functions that usually need to be implemented with libraries such as jQuery, Prototype, and MooTools. However, for some requirements, using these libraries appears

2025-02-25 comment 0  824

Article Introduction：Here are some code snippets that use jQuery to randomly sort items. Sort code snippets The following functions use object literal format: shuffleAds: function(arr) { for (var j, x, i = arr.length; i; j = parseInt(Math.random() * i), x = arr[--i], arr[i] = arr[j], arr[j] = x); return arr; } View the demo Another function that implements the same function: function randsort(c) {

2025-03-01 comment 0  629

Article Introduction：PHP techniques for adding text and image watermarks when uploading images. PHP implements techniques for adding text and image watermarks when uploading images. The functions implemented in this article are particularly suitable for some shopping malls and image sites. It shares the method of adding text and image watermarks when uploading images.

2016-07-06 comment 0  1084

Article Introduction：PHP techniques for adding text and image watermarks when uploading images. PHP implements techniques for adding text and image watermarks when uploading images. The functions implemented in this article are particularly suitable for some shopping malls and image sites. It shares the method of adding text and image watermarks when uploading images.

2016-07-12 comment 0  1058

Article Introduction：10 powerful ASP.NET jQuery plug-ins to help you easily implement AJAX requests, forms, JSON management, panels and other functions. Learn how to combine jQuery and Ajax to enhance ASP.NET applications. Here are some selected tutorials: Key points: An effective combination of jQuery and ASP.NET allows you to create various functions, including AJAX requests, forms, JSON management and panels. jQuery can enhance the functionality of ASP.NET applications such as AJAX in ASP.NET, jQuery Grid with ASP.NET MVC, ASP.NET AJAX page method and news scrolling subtitles. Specific jQu

2025-03-04 comment 0  899

Article Introduction：It is a common task to process conversion of text entries to actual dates in Excel, especially when dates are manually entered in non-standard formats or imported into text strings from external systems. Fortunately, there are some easy ways to convert these text entries into the appropriate date format so that I can efficiently calculate, sort or filter. Key Points: Correct conversion of dates is crucial to the accuracy and readability of data analysis in Excel. Excel uses a serial number system to store dates and supports date calculation and operation. Dates in text format limit Excel's ability to execute date functions, sort and filter. The DATEVALUE, VALUE functions, and text-to-column functions help convert text to recognizable dates. Exc

2025-05-28 comment 0  1085

Article Introduction：The best esports event you've never heard of: Microsoft Excel World Championship The best esports event you may have never heard of—the Microsoft Excel World Championship (MEWC), has a core content that is closely related to most of us: spreadsheets. It may sound boring, but in fact, the tournament shows some people’s incredibly efficient use of shortcut keys and custom functions. Yes, Excel esports does exist At 3 a.m., ESPN News is replaying the Dog Surfing and the College Corn Hole Championship (both of which are real events). It was then that I first discovered Microsoft Excel Esports and watched the 2023 Microsoft Excel World Championships. This game is both exciting and intriguing

2025-02-06 comment 0  450

Article Introduction：Excel's SWITCH function: an efficient data processing tool Excel's SWITCH function is a logical function, mainly used for data processing. It compares an expression with a series of values ??and returns the result corresponding to the first matching value. The SWITCH function is popular because it is simpler than other Excel functions that perform similar tasks, which means it is easier to read formulas and debug any problems. This guide will explain how to use the function with a practical example, evaluate its advantages over other functions, and introduce some of its limitations. Microsoft added the SWITCH function to Excel in 2016, so it was not available in earlier versions.

2025-02-06 comment 0  637

Article Introduction：In Excel, one of the things I do often is multiplication. But have you ever wondered what symbols Excel uses to represent multiplication? Unlike traditional mathematics using multiplication sign (×), Excel follows programming conventions and uses asterisks (*) as multiplication signs. In this article, I will take you through how to use multiplication symbols, common multiplication formulas, and some advanced tips in Excel to improve your computing power. Key points: Excel uses asterisks (*) as multiplication symbols, rather than the traditional × sign. Multiplication formulas can involve direct numbers (e.g., =254) or cell references (e.g., =A1B1). Advanced multiplication functions such as PRODUCT() and MMULT() help multiply the range and matrix

2025-05-23 comment 0  1043

Article Introduction：Data attachment and removal of DOM elements Let's start with some methods that you can use to attach data to or remove attached data from any DOM element. Use the data() method. The same method can also retrieve additional data values ??by simply passing the data() method, which in earlier versions of jQuery resulted in a complete replacement of all data. However, it now merges the new pass data with the existing data. Any key name contains lowercase characters after data-* calls the attribute of the DOM element. However, the first time the removeData() method is called When you want to get rid of the previous use of wra

2025-03-06 comment 0  696

Article Introduction：One of the major advantages of jQuery is its data operation capability. jQuery can provide corresponding functions for any data type that needs to be controlled. More importantly, jQuery is completely free and developers can use it easily and easily without any fees. However, jQuery's data manipulation configuration is not easy. When interacting with JavaScript and some necessary programming tools, you need to operate with caution in order to obtain the expected output results. This not only relies on JavaScript and jQuery, but also requires other languages ??such as HTML and CSS to make the data work properly in the application. Data operation requirements Before performing data operation encoding, two tags are required

2025-03-09 comment 0  586

Article Introduction：In Excel, a #VALUE error is displayed when the variable type in the formula is not supported or the cell referenced in the formula is invalid. This indicates that the user provided parameter type is incorrect. There may be many reasons why Excel shows this error, and you need to find out the specific cause of the error to resolve it. Key Point #VALUE! Errors are caused by incorrect data types - This error usually occurs when a formula contains text and requires numerical calculations (such as adding numbers to text values). Check for extra spaces or hidden characters - Sometimes, extra spaces or non-printable characters in a cell can cause a #VALUE! error. Use TRIM or CLEAN functions to delete them. Verify function parameters - Some functions require

2025-05-21 comment 0  434

Article Introduction：Yes, Microsoft Office can be used on Linux, but not in the form of native desktop applications. 1. The easiest way is to use Office.com in the browser and log in to a Microsoft account to use Word, Excel, PowerPoint and other applications. There is no need to install and complete functions, which is suitable for scenarios where complex typesetting and offline use is not required; 2. Another way is to run Office on Windows through the Wine compatibility layer, but the settings are complicated and some functions may be unstable. It is suitable for users with specific needs and can accept certain technical challenges; 3. It is more recommended to use specially designed for Linux.

2025-07-07 comment 0  924

Article Introduction：MySQL window function: It's not just ranking. Many friends think that MySQL's window function (WindowFunction) is just used for ranking, but it is not. It has many things to do! In this article, let’s talk about the window functions, from basic to advanced usage, and then to some pitfalls, to help you master this weapon thoroughly. After reading it, you can not only easily deal with various ranking scenarios, but also flexibly use it to solve more complex data analysis problems, and even write more elegant and efficient SQL than others. Let’s talk about the basics first. The window function, simply put, calculates a set of data, but does not "compress" the data into a row like the aggregate function, but retains the number of rows of the original data and makes each row at the same time.

2025-04-08 comment 0  1105

Article Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...

2025-01-10 comment 0  654

Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w

2025-01-10 comment 0  777

Article Introduction：Conditional Column CountingConsider a table named "Jobs" structured as follows:jobId, jobName, Prioritywhere "Priority" is an integer between 1...

2025-01-10 comment 0  786

Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI What is the Interview Questions CLI? The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview

2025-01-10 comment 0  1407