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Nancy Den has Published 335 Articles
Nancy Den
1K+ Views
In order to get Array Dimensions in Java, we use the getClass(), isArray() and getComponentType() methods with decision making in combination with iterative statements.The getClass() method method returns the runtime class of an object. The getClass() method is a part of the java.lang.Object class.Declaration − The java.lang.Object.getClass() method is declared ... Read More
Nancy Den
805 Views
Even though marshal module in Python’s standard library provides object serialization features (similar to pickle module), it is not really useful for general purpose data persistence or transmission of Python objects through sockets etc. This module is mostly used by Python itself to support read/write operations on compiled versions of ... Read More
Nancy Den
3K+ Views
Many computer applications need random number to be generated. However, none of them generate a truly random number. Python, like any other programming technique, uses a pseudo-random generator. Python’s random generation is based upon Mersenne Twister algorithm that produces 53-bit precision floats. The technique is fast and thread-safe but not ... Read More
Nancy Den
143 Views
The Timer class and other convenience functions in timeit module of Python's standard library are designed to provide a mechanism to measure time taken by small bits of Python code to execute. The module has a command line interface and the functions can be called from within program as well.Easiest ... Read More
Nancy Den
4K+ Views
Before getting into shared preference to store arraylist example , we should know what is shared preferences in android. Using share preference, we can store or retrieve values as key and value pair. There are five different methods are available in share preference as shown below −Edit() − It going ... Read More
Nancy Den
420 Views
JSON stands for Javascript object notation. Most of the when dealing with APIs or any other services the data is returned in JSON format and we need to convert it to usable and supporte language formats.Foundation framework of iOS provides a class JSONSerialization to convert JSON into supported formats like ... Read More
Nancy Den
505 Views
The Xcode error occurs when the xcode version and ios versions don’t match. Usually it happens when the Xcode version is less than the device iOS version. i.e. the Xcode is too old for the device. This is a compatibility issue which can be resolved by performing some steps.Always check ... Read More
Nancy Den
363 Views
In this article we’ll learn how to create borders and shadows. We’ll do it in two ways, one by directly coding and one by making it designable and an extension of UIView, which can be edited directly in the storyboard.Let’s see how to play around with borders in ios −Method ... Read More
Nancy Den
7K+ Views
Framing is a Data Link layer function whereby the packets from the Network Layer are encapsulated into frames. The data frames can be of fixed length or variable length. In variable - length framing, the size of each frame to be transmitted may be different. So, a pattern of bits ... Read More
Nancy Den
7K+ Views
No, we cannot override private or static methods in Java.Private methods in Java are not visible to any other class which limits their scope to the class in which they are declared.ExampleLet us see what happens when we try to override a private method − Live Democlass Parent { private ... Read More