How-to articles, tricks, and solutions about LIST

If you wish to manipulate with the DateTime object in PHP, then this snippet is for you. Here, you will learn how to correctly convert DateTime to string.

To convert a List to a Map in Java, you can use the stream() method and the collect() method along with a Collectors.toMap() call. Here's an example of how to do this:

You can use the join() method to convert a list of strings to a single string.

In this tutorial, find out how it is possible to style a list with dashes instead of bullet points. Use the :before pseudo-element with the content property.

In this snippet, we’re going to demonstrate how to create an unordered list without bullets using the CSS list-style-type property for the parent element.

A two-dimensional array in Python can be defined using the numpy library.

In this snippet, we’re going to show how you can display an ordered list with nested counters by using CSS. See some methods of overcoming this problem.

To get the first element of a List or Set in Java, you can use the following methods:

To initialize a List<String> object in Java, you can use one of the following approaches: Using the new keyword:

In Java, you can create a new list using the java.util.ArrayList class or the java.util.LinkedList class.

To print out all the elements of a List in Java, you can use a for loop or an enhanced for loop.

One way to read a text file into a list or an array with Python is to use the split() method.

To remove an element from a list by index in Python, you can use the pop() method.

In Python, you can use the dict.keys() method to return a view object that contains the keys of a dictionary.

You can use the sort method of a list and pass in a key argument, which is a function that takes an object and returns the value on which you want to sort the list.

To sort a List or ArrayList in Java, you can use the sort method of the Collections class from the java.util package. The sort method takes a List and sorts it in ascending order according to the natural ordering of its elements.

You can use the sorted() function with the key parameter to specify a function that extracts the element at the desired index.

In this snippet, we’re going to demonstrate how to style the even, odd, or both the even and odd items of an unordered list. See examples with each of them.

Here's an example of using an if-else statement within a list comprehension:

You can use a for loop and the float() function to convert each item in a list to a float.

Yes, you can use the remove() method to delete a list element by its value.

To compare two lists in Java, you can use the equals() method of the List interface.

To check if a Java List contains an object with a specific field value, you can use the List.stream().anyMatch() method along with a lambda expression to filter the elements in the list based on the field value.

To convert a List&lt;String&gt; to a single string by joining the elements of the list with a separator, you can use the join() method of the java.util.StringJoiner class.

To list all files in a directory using PHP, you can use the glob() function.