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Document and PDF (.doc, .docx and .pdf) file type validation using jQuery

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Document and PDF (.doc, .docx and .pdf) file validation using Bootstrap and jQuery




Get here reusable file client side validation using Bootstrap and jQuery.




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Python: Explain different types of methods with examples.

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In Python, there are several types of methods that can be defined within a class. Each type of method serves a specific purpose and has different characteristics. The common types of methods in Python are: Instance Methods: Instance methods are the most commonly used methods in Python classes. They are defined within a class and are intended to operate on individual instances of the class. Instance methods have access to the instance variables and can modify their values. Here's an example that demonstrates an instance method: class Circle: def __init__(self, radius): self.radius = radius def calculate_area(self): return 3.14159 * self.radius ** 2 circle = Circle(5) print(circle.calculate_area()) # Output: 78.53975 In the above example, the calculate_area() method is an instance method that calculates the area of a circle based on its radius. It uses the instance variable self.radius to perform the calculation. Class Methods: Class methods are define...
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Different types of variables in Python with examples.

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In Python, instance variables, static variables, and local variables are all different types of variables that serve different purposes within a program. Instance Variables: Instance variables are unique to each instance of a class. They are defined within a class's methods or the __init__ method and are accessed using the self keyword. Each instance of a class maintains its own copy of instance variables. These variables hold data specific to each object and can have different values for each instance of the class. Here's an example that demonstrates instance variables: class Person: def __init__(self, name, age): self.name = name # instance variable self.age = age # instance variable person1 = Person("Alice", 25) person2 = Person("Bob", 30) print(person1.name) # Output: Alice print(person2.name) # Output: Bob print(person1.age) # Output: 25 print(person2.age) # Output: 30  In the example above, name and a...
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How to delete multiple Git branches using pattern Matching

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To delete multiple branches using Git with pattern matching, you can use a combination of Git commands and shell scripting. Here's an example of how you can achieve this:  1. Open a terminal or command prompt.  2. Navigate to your Git repository directory.  3. Use the following command to list all branches matching a specific pattern: git branch | grep "<pattern>" Replace <pattern> with the pattern you want to match. For example, if you want to delete all branches starting with "feature/" , you can use feature/* as the pattern.  This command lists all branches that match the specified pattern.  4. Review the branch names listed and make sure they are the ones you want to delete.  5. Once you're sure, you can use the following command to delete the branches: git branch | grep "<pattern>" | xargs git branch -D This command combines the previous `git branch` and `grep` commands to find the branches matching ...
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