Linux, Windows, Security, Programming, Network Tutorials
PHP programming language provides file() and readfile() functions in order to read a file. In this tutorial, we will learn how to use file() and readfile() functions in order to read text or similar ASCII files like PHP files. file()
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When dealing with the text files such as log files, user list, server list etc we can use regex for formally structured files. Space, white-space, and tab are popular separating elements used in regex or CSV files. In this tutorial, we
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Loops are an important part of the programming languages. For and While loops are used for decades in different programming languages. Foreach provides similar functionality with a more elegant way by iterating over the given list. In this tutorial, we
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exec() function is a function used to create and run processes in operating systems Linux, Windows and MacOS. exec() function has different useful variants like execve() , execl(), execlp() , execle() etc. General Syntax There are a lot of different
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Hypertext Transfer Protocol or HTTP 503 Service Unavaiable server error response code indicates that the server is not ready to handle the request. Also HTTPS protocol will use the same code for the same reason. In this tutorial we will
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HTTP protocol uses HTTP status codes in order to provide information about the requests. There are different type of status codes like 100, 200, 300, 400 etc. All of them have different meaning and subcodes like 403. In this tutorial
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HTML is a language used to build web pages. Web pages have a dynamic nature where it can change during time. One of the most popular change case is redirecting given web page to another web page. This is simply
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Globally Unique Identifier (GUID) is pseudo random string which consist of 32 letters, numbers (0-9) and 4 hyphens to separate letters. These letters are randomly generated. In probability theory this value is unique and can be used as secret and
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LAMP stack is a popular term in IT world. It is used to express multiple application package to server PHP applications. Here is the formula Linux+Apache+MySQL+PHP=LAMP . LAMP stack can be created by installing these components one by one. In this
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glob is a general term used to define techniques to match specified pattern according to rules related Unix shell. Linux and Unix systems and shells also supports glob and also provide function glob() in system libraries. In this tutorial we will look
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