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Articles on Trending Technologies
Technical articles with clear explanations and examples
What does the method ensureCapacity(int, minCapacity) do in java?
The ensureCapacity(int minCapacity) method of the class java.util.ArrayList increases the capacity of this ArrayList instance, if necessary, to ensure that it can hold at least the number of elements specified by the minimum capacity argument.Exampleimport java.util.ArrayList; public class ArrayListDemo { public static void main(String args[]) { ArrayList arrlist = new ArrayList(5); arrlist.add(10); arrlist.add(50); arrlist.add(30); arrlist.ensureCapacity(15); for (Integer number : arrlist) { System.out.println("Number = " + number); } } }OutputNumber = 10 Number = 50 Number = 30
Read MoreWhat does the method contains(obj o) do in java?
The contains(Object) method of the java.util.ArrayList class returns true if this list contains the specified element.Exampleimport java.util.ArrayList; public class ArrayListDemo { public static void main(String[] args) { ArrayList arrlist = new ArrayList
Read MoreWhat is the Java Runtime Environment (JRE)?
JRE is Java Runtime Environment and is the machine-specific implementation of JVM. It contains libraries like rt.jar, class loaders etc which are used by JVM.
Read MoreHow to create an unordered_set of user defined class or struct in C++?
In this tutorial, we will be discussing a program to understand how to create an unordered set of user defined class or struct in C++.For this we will create a structure type and then compare two structure types with the function defined by the user to store the hash function.Example#include using namespace std; //defined structure struct Test { int id; bool operator==(const Test& t) const{ return (this->id == t.id); } }; //defined class for hash function class MyHashFunction { public: size_t operator()(const Test& t) const{ ...
Read MoreHow to download all images on a web page at once?
Chrome Extensions eases your work since it provides more features. To download all images on a web page at once, use a Chrome Extension.Download the Image Downloader chrome extension, which is open source. After adding it to Chrome, you can see the following settings −An icon will be visible in the Chrome browser, which is for Image Downloading. Go to the webpage from where you need the images.On reaching the page, click the extension icon as shown below −Click on the images you want to download or select all from the checkbox. After that click Download and that’s it.Here, you ...
Read MoreDoes a favicon have to be 32x32 or 16x16?
A favicon is a little icon visible on the web browser tab, just before the page title. It is generally a logo with a smaller size. The size of a favicon is 16x16, since it also gets displayed next to the URL of your site in a browser's address bar.The 16x16 size for Favicon is suitable for web browsers. But the size varies on multiple platforms and devices. The size is added using the sizes attribute.The preferred size, 1.16x16: For web browser 2. 32x32: or taskbar shortcut icon 3. 96x96: For desktop shortcut iconHere’s how you can add them ...
Read MoreWhat are favicon best practices regarding size and format?
A favicon is a little icon visible on the web browser tab, just before the page title. It is generally a logo with the smaller size.The size of a favicon is 16x16 since it also gets displayed next to the URL of your site in a browser's address bar. It is visible on a users list of bookmarks and easily helps in recognizing the website from a list of websites.Here’s how you can spot the Favicon, The preferred size, 1. 16x16: For a web browser 2. 32x32: or taskbar shortcut icon 3. 96x96: For ...
Read MoreWhat are free Online Favicon Generators?
A favicon is a little icon visible on the web browser tab, just before the page title. It is generally a logo with the smaller size. Creating it is not something to worry about. Online Favicon Generators easily gives options to create a Favicon for free on button click.Let us see some of the free online Favicon Generators, Favicon.ccFavicon.cc is a favicon creator and generator. Design or you can easily import a logo to design your favicon. You can also create animated Favicon here.Favicon-Generator.orgUsing this create and generate icons for the Web, Android, Microsoft, and iOS apps. Choose an image ...
Read MoreHow to redirect URLs with your Hosting Account?
You can easily redirect URLs to the settings under your hosting account. Let’s say you have a blogger blog and you want to redirect it to your website.A redirect automatically sends your visitors to another destination, within the same site or a new URL.Follow the below given steps to redirect URLs to your hosting account, Go to your hosting account and log in.Click Manage Web Hosting and reach the cPanel. Here, search the Domains section and click Redirects, Now, a section can be seen to add a redirect. Here, fill the following fields to redirect URL, TypeThe type of redirect ...
Read MoreInitialization, declaration and assignment terms in Java
A variable provides us with named storage that our programs can manipulate. Each variable in Java has a specific type, which determines the size and layout of the variable's memory; the range of values that can be stored within that memory; and the set of operations that can be applied to the variable.You must declare all variables before they can be used. Following is the basic form of a variable declaration − data type variable [ = value][, variable [ = value] ...] ;Here data type is one of Java's datatypes and variable is the name of the variable. To ...
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