TREEWALKER LEARNING CENTER

A blog to learn about Apps, Barcode, RFID, POS, IOT, Beacons and much more.....

Closure in Javascript

Closures is concept functions have access to variables that were available in the scope where the function was created. To understand it fully below are the set of examples which will help you to understand: var Car = function(model){ this.model = model; // member...

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Objects in javascript for beginners

Objects in JavaScript, just as in many other programming languages, can be compared to objects in real life.In JavaScript, an object is a standalone entity, with properties and type. A JavaScript object has properties associated with it. A property of an object can be...

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Persistent connections in PHP with MySQL

Persistent connections are links that do not close when the execution of your script ends. When a persistent connection is requested, PHP checks if there's already an identical persistent connection (that remained open from earlier) - and if it exists, it uses it. If...

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