Dart and Flutter Flutter Navigator pushReplacement and popUntil
Page transition is definitely required for all applications. Flutter offers multiple ways to do it, so I tried to use th...
Dart and Flutter 
Dart and Flutter Flutter How to add Drawer implementation
Many apps have a drawer that appears from the left side of the screen. Let's learn how to implement it in Flutter. Minim...
Dart and Flutter Dart DateTime handling
DateTime is very common in programming languages. We should know the basics to handle the date-time and show it correctl...
Other techs Git “error: cannot lock ref” error
"error: cannot lock ref" error occurs if you create a branch with the existing folder name but a different case. If you create feature/branch-name1 and Feature/branch-name2, this problem likely occurs. You need to remove or rename the branch to give the same folder name.
JavaScript/TypeScript TypeScript Pick nested object
Pick type is useful to get types from an existing definition. But is it possible to get a type from a nested object Yes! It's possible to get a type by using brackets with the key.
JavaScript/TypeScript TypeScript/JavaScript Bitwise Operations
Bit operation is not often used in JavaScript/TypeScript but there are some cases where we need to use it. I needed the ...
JavaScript/TypeScript TypeScript/JavaScript Extract target keys from an object
A variable name can be too long to be referred to many times. If it is an object, the name to access one of the child va...
JavaScript/TypeScript JavaScript/TypeScript Handling Surrogate Pairs
I needed to convert a string to ASCII code in my work. I didn't need to care about multi-byte characters but I wanted to...
JavaScript/TypeScript Validate Json file with Json schema
Json file is widely used for many purposes. To consume the data, we somehow need to validate the json file. It is ok to ...
Dart and Flutter Flutter Dropdown Button hint text and initial value
Dropdown is one of the common ways to let a user select an option from a list. Let's learn how to implement it in Flutte...