Queue collection class is a concept in C# that is included in the System.Collection namespace. The elements are stored in a QUEUE in FIFO. The first element added will be the first to go out like a queue of people outside a movie hall to buy tickets. It has two ... Read More

To deal with classes effectively, use the concept of covariance and contra variance. Let us consider the following as our class. One is a base class for class Two, whereas Two is a base class for Three. class One { } class Two: One { } class Three ... Read More

For compiling unsafe code, you have to specify the /unsafe command-line switch with command-line compiler. For example, to compile a program named one.cs containing unsafe code, from command line, give the command − csc /unsafe one.cs Under Visual Studio IDE, enable use of unsafe code in the ... Read More

The python operator performs very badly in a list, O(n), because it traverses the whole list. You can use something like a set or a dict(hashed data structures that have very fast lookups) to get the same result in ~O(1) time!But this also depends on the type of data structure ... Read More

Client-side XSLTProcessor API is part of the HTML5 scripting specification, as stated below:When an XSLT transformation program is triggered by a processing instruction and the browser implements a direct-to-DOM transformation, script elements created by the XSLT processor need to be marked "parser-inserted" and run in document oThe XSLTProcessor.transformToDocument() method adds ... Read More

Here are some of the steps that you can follow to optimize a nested if...elif...else.1. Ensure that the path that'll be taken most is near the top. This ensures that not multiple conditions are needed to be checked on the most executed path.2. Similarly, sort the paths by most use ... Read More

Validation is the process of checking something against a rule. When you are a beginner, it is very common that you will commit many mistakes in writing your CSS rules. How will you make sure whatever you have written is 100% accurate and up to the W3 quality standards?If you ... Read More

Local Storage is designed for storage that spans multiple windows and lasts beyond the current session. In particular, Web applications may wish to store megabytes of user data, such as entire user-authored documents or a user's mailbox, on the client side for performance reasons.For storing credentials in local storage, on ... Read More

As the name indicates, activity 02 is for intervals while activity 17 is for objects. There can be a different number range interval for a given SAP number range interval.

When the device is taking very large photos and we want to make such setting to take smaller photos from the mobile phone, then we can use two W3C ways of taking pictures.This can be done either through HTML or through JavaScript.HTML Media CaptureFor this, HTML uses capture and accept=”image/* ... Read More