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Articles by karthikeya Boyini
Page 142 of 143
How to check the validity of your CSS
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 use CSS, your code needs to be correct. The improper code may cause unexpected results in how your page looks or functions.But if you want to validate your CSS style sheet embedded in an (X)HTML document, you should first check that the (X)HTML you use is valid.Tool to check the ...
Read MoreUsing activity in SAP for number range intervals and number range objects
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.
Read MoreHTML5 & JavaScript: resolution or size of <input type=file capture=camera>
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/* ” on input tag .This will specify intend.However, through this way, we cannot specify the sizeMedia capture streamsIt allows fully programmatic access to the camera so that user can implement own capture dialogue for videos and still images.It also specifies constraints related to width, height, frame rate, facing rate, facing ...
Read MoreDifference between specification and recommendation that introduced CSS
The CSS Working Group creates documents called specifications. When a specification has been discussed and officially ratified by W3C members, it becomes a recommendation.These ratified specifications are called recommendations because the W3C has no control over the actual implementation of the language. Independent companies and organizations create that software.The World Wide Web Consortium or W3C is a group that makes recommendations about how the Internet works and how it should evolve.
Read MoreHow do Python dictionary hash lookups work?
Dicts are hash tables. No tree searching is used. Looking up a key is a nearly constant time(Amortized constant) operation, regardless of the size of the dict. It creates the hash of the key, then proceeds to find the location associated with the hashed value. If a collision listed address is encountered, it starts the collision resolution algorithm to find the actual value.This causes dictionaries to take up more space as they are sparse.
Read MoreDifference between C++ string constants and character constants
In C++, a character in single quotes is a character literal. It's of type char. For example, 'a' is of type char with a value 97 on an ASCII based system.A character or a string of characters together in double quotes represent a string literal. It's of type const char[] and refers to an array of size length of string + 1. That extra character is there for marking the string's ending.String literals can be arbitrarily long, such as "abcdefg". Character literals almost always contain just a single character. When these are being printed, string literals are printed till the ...
Read MoreCan interfaces have constructors in Java?
No, interfaces can’t have constructors for the following reasons − All the members of an interface are abstract, and since a constructor cannot be abstract. Still, if you try to write a constructor within an interface it will generate a compile time error. Example public interface InterfaceTest { InterfaceTest(){ } public abstract void display(); public abstract void show(); } Error C:\Sample>javac InterfaceTest.java InterfaceTest.java:2: error: expected public InterfaceTest(){ ^ 1 error
Read MoreWhat is the difference between Component class and Container class in Java?
The class Component is the abstract base class for the non-menu user-interface controls of AWT. A component represents an object with graphical representation. The class Container is the superclass for the containers of AWT. The container object can contain other AWT components.
Read MoreIs it possible to exclude subclasses from the results displayed in backoffice in SAP?
You can uncheck the option - Include subtypes in a search bar and this will only give you the results of the parent type.
Read MoreWhat is the Thread class in Java?
The java.lang.Thread class is a thread of execution in a program. The Java Virtual Machine allows an application to have multiple threads of execution running concurrently. Following are the important points about Thread −Every thread has a priority. Threads with higher priority are executed in preference to threads with lower priority.Each thread may or may not also be marked as a daemon.There are two ways to create a new thread of execution.One is to declare a class to be a subclass of Thread.Another way to create a thread is to declare a class that implements the Runnable interface.
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