Tech

5 minutes read
In Laravel, you can use columns from other tables by defining relationships between models. You can use Eloquent ORM to define relationships such as "belongsTo", "hasOne", "hasMany", etc.
5 minutes read
You can extract only the time from a timestamp in Laravel by using the format() method provided by Laravel's Carbon class. Simply retrieve the timestamp from your database as a Carbon object, and then use the format('H:i:s') method to get only the time part in the format of hours, minutes, and seconds. This will return the time portion of the timestamp as a string that you can use in your application.How to extract time from timestamp in Laravel.
6 minutes read
To deserialize JSON to a Kotlin map, you can use the Gson library or other JSON parsing libraries in Kotlin. Here is an example of deserializing JSON to a map using Gson: val jsonString = "{\"key1\": \"value1\", \"key2\": \"value2\"}" val gson = Gson() val mapType = object : TypeToken<Map<String, String>>() {}.type val map: Map<String, String> = gson.
6 minutes read
To save custom objects into preferences in Kotlin, you can use the Gson library to convert your custom object into a JSON string and then save that string into preferences. First, add the Gson library to your project by adding the following dependency to your build.gradle file:implementation 'com.google.code.gson:gson:2.8.6'Next, create an extension function that takes the custom object as a parameter, converts it to a JSON string using Gson, and then saves that string into preferences.
4 minutes read
To parse or split a URL address in Kotlin, you can use the URL class from the Java standard library.Here is an example of how you can parse a URL address and access its different components in Kotlin: import java.net.URL fun main() { val urlString = "https://www.example.com/path?query=123" val url = URL(urlString) val protocol = url.protocol val host = url.host val path = url.path val query = url.
5 minutes read
To access a specific init block in Kotlin, you first need to create an instance of the class that contains the init block. Once you have an instance of the class, you can call the init block by using the instance name followed by a pair of curly braces. This will execute the code inside the init block and initialize any properties or perform any necessary setup tasks defined within it.
5 minutes read
To import AlertDialog in Kotlin, you can use the following syntax:import androidx.appcompat.app.AlertDialogOnce you have imported AlertDialog, you can then create an instance of it and customize it based on your requirements. AlertDialog is typically used to display important information or ask for user confirmation in an app. You can set a title, message, buttons, and other properties to tailor the dialog to your specific needs.How to create a multi-choice list in AlertDialog in Kotlin.
3 minutes read
To call lines from a mutable list in Kotlin, you can simply use the get() function combined with the index of the line you want to access. For example, if you have a mutable list named "myList" and you want to access the third line, you can use myList.get(2) since Kotlin uses zero-based indexing. This will return the third line from the list.What is the significance of mutable lists in Kotlin programming.
5 minutes read
To load a .tiff extension file in Kotlin Android, you can use the BitmapFactory class to decode the image and load it into an ImageView or another suitable view. First, you need to get the absolute path of the .tiff file using the context's content resolver. Then, you can use BitmapFactory.decodeFile() method to decode the file and load it into an ImageView. Make sure to handle exceptions and check for null values during the loading process.
3 minutes read
To access the primary text color in a Kotlin fragment, you can use the R class to get the resource ID of the primary text color defined in your project's resources. Once you have the resource ID, you can retrieve the actual color value using the ContextCompat.getColor() method. This will allow you to access and use the primary text color in your Kotlin fragment for styling purposes.What are the potential issues to consider when setting primary text color in Kotlin fragment.