Quick Answer: What is the purpose of index php?

Is index php important? The index. php file in the root of your installation contains code that is necessary to load and initialize all the files that together will serve up the page you have requested in the browser. … php file, this is the file that we are referring to. Why do we need …

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Frequent question: Is undefined JavaScript error?

How do you fix a undefined variable error in JavaScript? Accessing the variable evaluates to undefined . An efficient approach to solve the troubles of uninitialized variables is whenever possible assign an initial value. The less the variable exists in an uninitialized state, the better. What does an undefined error mean in JavaScript? The undefined …

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What does Union do in SQL Server?

What is the function of union in SQL? The Union operator combines the results of two or more queries into a distinct single result set that includes all the rows that belong to all queries in the Union. In this operation, it combines two more queries and removes the duplicates. For example, the table ‘A’ …

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Which of the following is a compound assignment operator in PHP?

What are the 5 compound assignment operators? Compound-Assignment Operators in Java += assigns the result of the addition. -= assigns the result of the subtraction. /= assigns the result of the division. %= assigns the remainder of the division. What is the assignment operator in PHP? The PHP assignment operators are used with numeric values …

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Quick Answer: How do you make a text field non editable in jQuery?

How do I make a field non-editable in jQuery? Use jQuery methods to add the readonly attribute to the form input field. jQuery attr() Method: This method set/return attributes and values of the selected elements. If this method is used to return the attribute value, it returns the value of the first selected element. How …

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You asked: Where is PHP INI in HostGator?

Where is the PHP ini file in Hostgator cPanel? ini file in your cPanel: In the Files section of your cPanel, click on the File Manager icon. Select the root directory for your site. … Click the + File button at the top left of the page. In the pop-up box, enter php. … Click …

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You asked: How do I backup MySQL database using Linux command line?

How do I backup a MySQL database? Backup using MySQL Workbench Go to the Administration tab, on the Navigation panel (on the left by default) Select Data Export. From the Data Export tab in the Tables To Export section, select the databases and tables that will be added to the backup file. How do I …

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What error occurs when you divide by zero in Java?

What type of error is division by zero Java? Class ArithmeticException Thrown when an exceptional arithmetic condition has occurred. For example, an integer “divide by zero” throws an instance of this class. ArithmeticException objects may be constructed by the virtual machine as if suppression were disabled and/or the stack trace was not writable. What happens …

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Frequent question: When should I use Java 8?

Why should we use Java 8? Long Term Support (LTS) Version One of the key reasons why Java 8 is still so popular is that it is an LTS (or Long-Term Support) version. … From a commercial point of view no organisation should be considering putting a system into production that relies on a version …

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What is Web SQL used for?

What is Web SQL in Chrome? Web SQL Database is a web page used for storing or managing the data in the database. The API is supported by Google Chrome, Opera and Android browsers. The Web SQL API is not a part of the HTML5 specification, but is a separate specification. It addresses a set …

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