Samual Sam has Published 2663 Articles

What are Character Entities in HTML5

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:22

75 Views

Some characters are reserved in HTML5. For example, you cannot use the greater than and less than signs or angle brackets within your text because the browser could mistake them for markup.HTML5 processors must support the five special characters listed in the table that follows.SymbolDescriptionEntity NameNumber Code"quotation mark""'apostrophe''&ersand&&greater-than>> Read More

How to split Python dictionary into multiple keys, dividing the values equally?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:22

502 Views

Very use case specific: https://stackoverflow.com/questions/30447708/split-python-dictionary-into-multiple-keys-dividing-the-values-equally

Can we change operator precedence in Python?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:22

276 Views

No this cannot be done. It's part of the Python language itself. That's how the language parses the expressions and builds parse and syntax trees. From the documentation:When performing mathematical operations with mixed operators, it is important to note that Python determines which operations to perform first, based on a ... Read More

Using FFMPEG with HTML5 for online video hosting

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:22

867 Views

HTML5 enabled browsers to have a video element that you can use to play a video on your site. To let you know, flowplayer and other flash based video streaming players use the FLV format. It has the same encoding as H.264. FFMPEG can convert videos to FLV, feel free to ... Read More

What is the difference between >> and >>> operators in Java?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:21

1K+ Views

>> Binary Right ShiftThe left operand value is moved right by the number of bits specified by the right operand.>>> Shift right zero fillThe left operand value is moved right by the number of bits specified by the right operand and shifted values are filled up with zeros.

How to check for “undefined” variable in JavaScript?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:21

143 Views

On getting the result of the following, you can find whether a variable is ‘undefined’. If the result is “false”, it means the variable is undefined. Here, the variable results in “True” Example Live Demo var res = 10; if(res) { document.write("True"); } else { document.write("False"); }

Can a class in Java be both final and abstract?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:20

1K+ Views

An abstract cannot be instantiated. Therefore to use an abstract class you need to create another class and extend the abstract class and use it. If a class is final you can’t extend it further. So, you cannot declare a class both final and abstract. Example Still if you try ... Read More

What does Integer.parseInt() method do in Java?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:20

305 Views

This is a static method of the class named Integer it accepts an integer parameter and Parses it as a signed decimal integer. Example Live Demo public class IntegerDemo { public static void main(String[] args) { // parses the ... Read More

How to execute a static block without main method in Java?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:20

1K+ Views

VM first looks for the main method (at least the latest versions) and then, starts executing the program including static block. Therefore, you cannot execute a static block without main method. Example public class Sample { static { System.out.println("Hello how ... Read More

Is it necessary that a try block should be followed by a catch block in Java?

Samual Sam

Samual Sam

Updated on 30-Jul-2019 22:30:20

431 Views

Not necessarily catch, a try must be followed by either catch or finally block. Example import java.io.File; public class Test{ public static void main(String args[]){ System.out.println("Hello"); ... Read More

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