In PHP, you can create cookies using the Note that cookies must be set before any output is sent to the browser, or they will not be set. Additionally, cookies can be manipulated by the user, so they should not be used to store sensitive information such as passwords or other confidential data.

To extract a number from a string in JavaScript, you can use regular expressions and the match() method. Here's an example: " In this example, we use the index [] to access the second number matched by the regular expression. If there were more numbers, you could adjust the index accordingly. Note that if the string does not contain any numbers, the match() method will return null. You should check for this case and handle it appropriately, such as by setting a default value or throwing an error.

You can print the SQL statement generated by the Active Record or Query Builder in CodeIgniter by using the " column equals 1. After executing the query using $this->db->get(), we retrieve the SQL statement generated by the query using $this->db->last_query(). We then print the SQL statement using echo. Note that you should only use this for debugging or optimization purposes, and not in production code. Printing SQL statements can expose sensitive information, and may impact the performance of your application.

You can use regular expressions matches one or more digits followed by a decimal point followed by one or more digits. This matches the decimal number 10.99 in the string str.

In Java, a is an array of arrays where each sub-array can have a different number of elements. To solve or work with jagged arrays in Java, you can use the following approach: Declare and initialize the jagged array: To declare a jagged array, you can use the following syntax:

Associative arrays in PHP are accessible just like any other type of array. In fact, associative arrays in PHP are a very useful feature as they allow you to store key-value pairs, where each key is a string and the corresponding value can be of any data type. To access an element in an associative array, you need to use the key as the index. Here's an example: In this example, we declare an associative array $that contains three key-value pairs. We access an element in the array using the key as the index. If you're having trouble accessing elements in an associative array, make sure that the key you're using to access the element is spelled correctly and is exactly the same as the key used when the array was declared. Also, make sure that the array is not empty and that the element you're trying to access actually exists in the array.

To get the current date/time in string format, you can use the () function.

When working with MongoDB, you can use the field will be the number of documents in each group. Keep in mind that the syntax of MongoDB queries may vary depending on the version of MongoDB and the driver used. The example shown here is for MongoDB 4.0 and later.

yes PHP 7.4 is stable . you can download PHP 7.4 PHP 8.0 is available now with major update of the PHP language

except [inf]above is very simple example of the use of loop , but it can be complex use of for and other type of loop in PHP [/inf]

to_csv() is used to create csv file , if it already exist it will overwrite

Linux mint : 1. select folder by clicking on it 2. right click on it 3. you will find the context menu and find the compress option in it and press it 4.it will popup with zip file name and location where to store the new zip file . you can select whatever format you want to make .zip or .tar or .war etc and also change the location where to save as per need if you click on other option on same dialog box. you will see the password textbox to enter , if you want to password protect the zip or tar or war file than you can do by other option 5. click on create button and it show progress of the zipping the folder , wait a while and done , and zip will be at given location.

can open new tab or window as per given dimesions above code will redirect to google.com in same window

you can use document.renameNode , but it not supported most of browser .

its port conflicting . Apache trying to use the same port which is already using by other program or software . so you need to change that software port use or Apache

will not show until google map review not approved by google . google map review will show for publisher until it not approved , and after that it goes to public . so api cant fetch google map review until it get approved and listed publicly .so wait for 2 -3 days to get listed at google map api .