Synapse techno contains information about new technology,tutorials of computer programming languages like JAVA,JSON,XML,VBA and Web Designing languages like HTML,HTML 5 ,CSS,Scripting languages JavaScript and its library like jquery,react js,node js etc.
Plain Old Java Obect (POJO)
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Synapse Techno: Plain Old Java Obect (POJO): Plain Old Java Object is a Java Object not bound by any restriction other than those forced by the Java language specification. POJO is al...
Hi Everyone! Yesterday my friend Andrea from Italy asked me a question about secure Database connectivity in node.js with mysql i.e. he wants to a secure database connection in node.js for some secure keys like username,password,database name that we use during database connectivity.His problem is obviously right from security point of view as we know that JavaScript is client side scripting knowledge so it is compiled on client side so after inspecting page some one can be able to view these secure keys which I discussed previously. I surf internet and found there are various ways to solve this problem I am not discussing all of them here but also I discussing here two of them and after this discussion I think Andrea and other reader who are facing with same problem can be able to resolve their problem. I choose two ways to solve this problem. Connection code in app.js file Create a Json file Connection code in app.js file : Javascript is client side language and code i...
VBA stands for Visual Basic Application. . It is an event driven Programming language by Microsoft now a days it is predominantly used with Microsoft applications such as MS –Excel , MS-Word, MS-Access. VBA Application MS-Excel Provides loads on inbuilt functions.MS-Excel Provides only basic inbuilt functions which may not be sufficient to perform complex calculations but by using VBA we can create our own functions and perform our desirable tasks How to Access VBA Editor In excel windows Press “ALT +F11” to open VBA editor .. Step 1: At first open Excel sheet Step 2: Follow Above Tricks and open VBA Editor will be open which looks like this . Some Important VBA Terminologies Modules : Modules is the area where code is written. In above figure there is no any modules. How to insert Module ??? To insert modules in VBA right click on Microsoft Office Objects and then a win...
Variables are name of reserved memory location inside Program. Based on Position of Declaration and behavior all Variables are divided into three categories. Local Variable Instance Variable Static Variable Local Variable : Variable that is declared inside method is called Local Variable. Instance Variable : If a variable value varied from object to object then such type of variable are called Instance Variable. In case of Instance Variable a separate copy of instance variable is created. Where we have to declare Instance Variable ? Instance Variable should be declared within class directly, but outside of any method or block or constructor. Note: As we discussed previousl...
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