In this article, you will learn how to solve IndexError: list index out of range. Let’s look at a code example that produces the same error. How to Solve IndexError: list index out of range In order to solve it, you can use calculate the maximal index that can be accessed by the list. You […]
In this article, you will learn how to solve NameError: name is not defined. Let’s look at a code example that produces the same error. How to Solve NameError: name is not defined In order to solve it, you need to make sure that the variable has been defined first before using it.
In this article, you will learn how to solve SyntaxError: ‘return’ outside function. Let’s look at a code example that produces the same error. How to Solve SyntaxError: ‘return’ outside function In order to solve it, you need to make sure that the return statement is properly indented to represent a block of code.
In this article, you will learn how to solve ValueError: could not convert string to float. Let’s look at code examples that produce the same error. How to Solve ValueError: could not convert string to float In order to solve it, you can use the try…except block.
In this article, you will learn how to download a file in Javascript. Let’s say you want to download Codesource.io’s logo. Download File In order to download a file, you can use the HTML’s download attribute. Note: The HTML’s download attribute functions by downloading the supplied file URL upon clicking.
In this article, you will learn how to validate an email in Javascript. Validate Email In order to validate email, you can use the regular expression and test() method. Note: The regular expression is a sequence of characters used as a search pattern. The test() method functions by testing for a match in the supplied […]
In this article, you will learn how to check for array equality in Javascript. Let’s say you have 3 arrays. Check For Array Equality In order to check for array equality, you can use the Array.length property and Array.every() method. Note: The Array.length property functions by returning the length of the array. The Array.every() method […]
In this article, you will learn how to get a division remainder in Javascript. Let’s say you have 2 numbers. Get Division Remainder In order to get a division remainder, you can use the modulo operator, %. Note: The modulo operator, % functions by returning the remainder in an arithmetic division.
In this article, you will learn how to export data to Excel in PHP. Let’s say you have the following array as data. Export Data to Excel In order to export data to Excel, you can use the header() method, implode() method, and array_walk() method.
In this article, you will learn how to get an input value using $_REQUEST in PHP. Let’s say you have a simple form with an input field and a submit button. php Get Input Value Using $_REQUESTIn order to get an input value, you can use the htmlspecialchars() method and $_REQUEST variable. full php Before […]
In this article, you will learn how to make a simple photo gallery in PHP. Simple Photo Gallery In order to make a simple photo gallery, you can use the glob() method, GLOB_BRACE flag and basename() method. Result Note: The glob() method functions by searching for path names that match the supplied pattern. The GLOB_BRACE […]
In this article, you will learn how to post JSON data using cURL in PHP. cURL command is usually used to transfer data to and from a server. Post JSON Data Using cURL In order to post JSON data using cURL, you can use the curl_init() method, curl_setopt() method, curl_exec() method, and curl_close() method. Note: […]
In this article, you will learn how to read an RSS feed in PHP. RSS stands for Really Simple Syndication and it is a web feed that allows subscribers to get updates from multiple websites on a single page. Read RSS Feed In order to read an RSS feed, you can use the file_get_contents() method […]
In this article, you will learn how to import a CSV file into MySQL in PHP. Let’s say you have a CSV file of users and their respective ages. example.csv Import CSV File Into MySQL In order to import a CSV file into MySQL, you can use the LOAD DATA statement from MySQL. Before following […]
In this article, you will learn how to upload multiple files in PHP. Upload Multiple Files In order to upload multiple files, you can use the move_uploaded_file() method. Note: The move_uploaded_file() method functions by moving an uploaded file into a new location.
