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The Cassandra Driver from Datastax very much mirrors the Java JDBC MySQL driver. Session, Statement, PreparedStatement are present in both drivers. The Singleton Connection is from this question and answer: http://stackoverflow.com/a/24691456/671896 Feature wise, Cassandra 2 and 3 are identical...

When you need to handle time information for a worldwide user base in MySQL, use the TIMESTAMP data type in your tables. For each user, store a user-preference timezone column. VARCHAR(64) is a good data type for that column. When a user registers to use your system, ask for the time zone value. ...

This section provides an overview of what android-source is, and why a developer might want to use it. It should also mention any large subjects within android-source, and link out to the related topics. Since the Documentation for android-source is new, you may need to create initial versions ...

NFS is the most common way to share disk between computers in linux. It allows user on a client computer to access files over a network much like local storage is accessed. Here we see how to configure Puppet to manage mounting and serving NFS drives. ParameterDetailsnameThe path to local directory...

In this topic you can learn a bit about manipulating bitmapdata and visual processing, working with pixels and getting started with effects filters.

This topic discuss about Error Types & Error Handling in PowerShell.

RandomForest is an ensemble method for classification or regression that reduces the chance of overfitting the data. Details of the method can be found in the Wikipedia article on Random Forests. The main implementation for R is in the randomForest package, but there are other implementations. See ...

Ajax uses the HTTP Protocol and can send requests using POST/GET methods from Client to Server. WebSocket is itself a protocol to communicate between Client and Server, distinct from HTTP. In Ajax when you send a request , server sends response for that request and connection ends. Using WebSocke...

A column is NULL when it has no value, regardless of the data type of that column. A column should never be compared to NULL using this syntax a = NULL as the result would be UNKNOWN. Instead use a IS NULL or a IS NOT NULL conditions. NULL is not equal to NULL. To compare two expressions where null...

Instance method are methods that are specific to particular classes. Instance methods are declared and defined followed by - (minus) symbol. Class methods can be called by class name itself .Class methods are declared and defined by using + (plus)sign . -(void)testInstanceMethod; //Class meth...

Basic examples of how to create cells with a formula for calculations within the Excel sheet.

Given Below are the examples to show how bootstrap model can be shown and how to manage title main content and footer. This topic is created to demonstrate different ways of showing and easily managing bootstrap model.

@angular/common - commonly needed directives and services @angular/core - the angular core framework

Grand Central Dispatch (GCD) In iOS, Apple provides two ways to do multitasking: The Grand Central Dispatch (GCD) and NSOperationQueue frameworks.We will discuss here about GCD. GCD is a lightweight way to represent units of work that are going to be executed concurrently You don’t schedule thes...