PWA (Progressive Web Applications) has been around us for a while. It makes an web app look like a native application, with configurable push notifications and offline functions. More and more browsers are supporting this technology now. You can even add the application to Google Play Store and Apple App Store. SPA (Single Page Applications) already include PWA functions or you can easily swtich..

개발 (Development & Coding)/영문본 (English) 2023. 4. 30. 06:00

Entity Framework is very useful when dealking with many data classes. I am finding that when dealing with a large amount of records, Entity Framework is not the fastes solution. There is BulkInsert feature in Entity Framework but I have not seen anything faster than SQL BulkCopy yet. I will explain how to use it using an example below: The example will be in two different steps. PRE-REQUISITE: H..

개발 (Development & Coding)/영문본 (English) 2023. 3. 29. 06:00

Cursor in t-sql is very useful feature. In SQL, it is difficult to set a pointer to a set of data and evaluate other tables or data while in the loop. Simply, cursors are temporary storage to a row data or some column data in a row you set in a table so that they can be used to evaluate other data while going through each row in the table. Because cursors use server resources, you must know how ..

개발 (Development & Coding)/영문본 (English) 2023. 3. 20. 06:00

SThis article will show several best practice cases for using Entity Framework Core (aka EF Core). EF was an innovative technology to convert data to classes when ADO or even DAO were mainly used for data transformation in C#. It made developers' lives easier by not having to memorize and frequently refer which column included what kind of information. EF had evolved from EF to EF Core since .NE..

개발 (Development & Coding)/영문본 (English) 2023. 3. 15. 06:00

Detecting page change event in all devices is a difficult job because of different ecosystem. Especially iOS has its own browser ecosystem that are different and sometimes incompatible with other systems, even with macOS within the same company. The iOS browser ecosystem is applied to ALL different browsers in iOS, so if you use Chrome in iOS, it is NOT the same Chrome you use on other systems. ..

개발 (Development & Coding)/영문본 (English) 2023. 3. 13. 06:00

This is one of my favorite coding method. If used properly, it can make your coding life much easier. Using "this", you can create a static method. For example, if you frequently use code to convert from byte type to file type, you can create your own static method for the byte type, called "ToFile()". Then you will just call the method by adding ".ToFile()" at the end of a byte type variable. I..

개발 (Development & Coding)/영문본 (English) 2023. 3. 9. 06:00

With one block of codes, you can create a modal Alert and Confirm dialog box with callbacks. It has the following functions: Alert Dialog Box (without a callback) Alert Dialog Box (with a callback) Confirm Dialog Box (with callbacks - yes and no) The reason I created this code was that the alert and confirm windows in a browser is not customizable and their design is from the stone age. The code..

개발 (Development & Coding)/영문본 (English) 2023. 3. 1. 06:00

While you are creating numerous classes during development, there are numerous cases where you have to convert from one to another classes. For example, you may want to convert classes generated by Entity Framework to a class for use with Web API or client application. Many cases you may include same property names. During this process, you may be writing extra codes to convert from one to anoth..

개발 (Development & Coding)/영문본 (English) 2023. 2. 26. 06:00