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Wednesday, June 14, 2023
What is Cascading Style Sheet?
What
is Cascading Style Sheet?
Cascading Style Sheets, commonly referred to as CSS, is a
style sheet language used to describe the presentation of a document written in
HTML (Hypertext Markup Language) or XML (Extensible Markup Language). It is
responsible for controlling the visual appearance of web pages and user
interfaces.
CSS separates the content of a webpage from its
presentation, allowing web designers and developers to define various aspects
of the page's layout, typography, colors, and other visual elements. By using
CSS, you can apply consistent styles and formatting to multiple web pages at
once, making it easier to maintain and update the design across an entire
website.
The term "cascading" in CSS refers to the way
styles are applied to HTML elements. Multiple CSS rules can target the same
HTML element, and the styles will be combined and applied according to a
specific hierarchy and precedence. This allows for flexibility and the ability
to override or inherit styles as needed.
CSS is based on a set of rules and selectors that define
which elements in an HTML document should receive specific styles. These styles
are defined using properties and values, which control attributes such as the
font, color, size, margin, padding, and positioning of elements.
CSS has evolved over time, and there are different versions
with varying levels of features and capabilities. CSS3, for example, introduced
new properties, selectors, and techniques, including support for animations,
transitions, and responsive design.
Overall, CSS is a fundamental technology in web development
that plays a crucial role in creating visually appealing and engaging websites
and applications.
String Lowercase Using Filter in AngularJS
Machine Problem
Write a program that uses lowercase filter to ask the user to give a string in upper case, and then the program will display the given string and convert into lower case of the given string on the screen.
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Program Listing<!-- index.htm Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT Date : August 7, 2021 9:02 PM Saturday Place : Bacolod City, Negros Occidental Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com Email : jakerpomperada@gmail.com --> <html> <head> <title>String Lowercase Using Filter in AngularJS</title> <script type="text/javascript" src="angular.min.js"></script> </head> <style> body { font-family: arial; font-size: 25px; font-weight: bold; } </style> <body> <div ng-app> <h3>String Lowercase Using Filter in AngularJS</h3> <body> <div ng-app> <p> <label>Enter a String ( In Uppercase) </label> <input type="text" ng-model="given_string" size="40"/> </p> <p> Given String : {{given_string}} <br><br> Lower Case String : {{ given_string | lowercase }} </p> </div> </body> </body> </html>
Tuesday, June 13, 2023
Largest of Three Numbers in Java
A program that will ask the user three numbers and then the program will check which of the three number has the largest number using Java programming language.
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My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
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=================================================
You can buy my C++ book online at
https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/
You can buy my book in introduction to computer networking at
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking
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Jake Pomperada
09173084360
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Program Listingimport java.util.Scanner;
public class Largest_Three_Numbers {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("\n\tLargest of Three Numbers in Java\n\n");
System.out.println("Enter the first number:");
int num1 = scanner.nextInt();
System.out.println("Enter the second number:");
int num2 = scanner.nextInt();
System.out.println("Enter the third number:");
int num3 = scanner.nextInt();
int largest = num1; // Assume the first number is the largest
if (num2 > largest) {
largest = num2;
}
if (num3 > largest) {
largest = num3;
}
System.out.println("The largest number is: " + largest);
scanner.close();
}
}
Monday, June 12, 2023
What are Binary Trees?
What are Binary Trees?
A binary tree is a
hierarchical data structure in computer science that is composed of nodes,
where each node has at most two children, referred to as the left child and the
right child. The binary tree is a specialized form of a tree structure.
In a binary tree, each
node can have zero, one, or two children. The topmost node of the tree is
called the root. Nodes that have no children are called leaf nodes or external
nodes, while nodes with at least one child are called internal nodes.
The structure of a
binary tree is recursive in nature, as each child of a node can also be the
root of its own binary tree, with its left and right children.
Binary trees have
various applications in computer science, including:
1. Binary search trees:
Binary search trees are binary trees that follow a specific ordering property.
The value of each node in the left subtree is less than the value of the node
itself, and the value of each node in the right subtree is greater than the
value of the node itself. This property allows for efficient searching,
insertion, and deletion operations.
2. Expression trees:
Binary trees can be used to represent arithmetic expressions, where operators
are stored in internal nodes, and operands are stored in leaf nodes. Expression
trees can be evaluated to compute the result of the expression.
3. Huffman coding:
Binary trees are used in Huffman coding, a compression algorithm that assigns
variable-length codes to different characters based on their frequencies in a
given text. Huffman trees are used to generate the optimal prefix codes for
compression.
4. Decision trees:
Binary trees can be employed as decision trees, where each node represents a
decision based on certain conditions or attributes. Decision trees are commonly
used in machine learning and data mining for classification and regression
tasks.
These are just a few
examples of how binary trees are used. Binary trees provide a flexible and
efficient data structure for various applications, allowing for efficient
traversal, searching, insertion, and deletion operations.
Sample Authorization Letter
June 21, 2021
#25-31
Victoria Malaga Street Eroreco Subdivision
Barangay
Mandalagan Bacolod City, Negros Occidental
To Whom It May Concerned:
I am writing to authorize Mr. Juan Dela Cruz to collect the honorarium
on my behalf for being a Judge in Research Colloquium which being
conducted last June 20, 2021 Via Zoom organized by College of Arts and Sciences.
Due to unforeseen circumstances, I am unable to personally attend the event and
receive the honorarium.
I trust that Mr.
Juan Dela Cruz will collect the honorarium and complete any necessary
paperwork or documentation required for this purpose.
Thank you for your attention to this request.
Sincerely,
Mr. Jake R. Pomperada
How To Become a Freelance Programmer?
How To Become a Freelance Programmer?
Becoming a freelance programmer requires a combination of
technical skills, business acumen, and self-promotion. Here are some steps you
can take to become a freelance programmer:
1. Develop your programming skills: Start by honing your
programming skills in a specific language or technology stack. Choose a
programming language that aligns with your interests and the demand in the
freelance market. Continuously learn and improve your skills through online
tutorials, courses, and practice projects.
2. Build a portfolio: Create a portfolio of projects that
demonstrate your programming abilities. These projects can be personal
projects, open-source contributions, or freelance work you have done for
clients. Showcase your best work, highlighting your problem-solving skills,
code quality, and creativity.
3. Identify your niche: Determine your area of
specialization within programming. It could be web development, mobile app
development, data analysis, artificial intelligence, or any other field that
interests you. Focusing on a specific niche can help you stand out and attract
clients looking for expertise in that area.
4. Establish an online presence: Create a professional
website or portfolio to showcase your skills, projects, and services. Use this
platform to highlight your experience, share your contact information, and
provide links to your relevant online profiles (GitHub, LinkedIn, etc.).
Building an online presence can help clients discover you and validate your
expertise.
5. Network and build connections: Connect with other
professionals in the industry, both online and offline. Attend tech
conferences, meetups, and networking events to meet potential clients and
fellow freelancers. Engage in online communities, forums, and social media
groups to share knowledge, seek advice, and make connections. Word-of-mouth
referrals can be invaluable for freelance work.
6. Freelance platforms and job boards: Join freelance
platforms and job boards specifically catered to programmers, such as Upwork,
Freelancer, or Toptal. These platforms provide opportunities to find freelance
projects, bid on jobs, and build your reputation through client reviews and
ratings. Be proactive in applying for projects and tailor your proposals to
showcase your relevant skills and experience.
7. Pricing and contracts: Determine your pricing structure
based on factors such as your skills, experience, market rates, and the
complexity of the project. Consider whether you will charge an hourly rate or a
fixed price for each project. Additionally, create standard contract templates
to protect your interests and clearly define the scope of work, timelines, and
payment terms for your clients.
8. Deliver quality work and provide excellent customer
service: Consistently deliver high-quality work to your clients within the
agreed-upon timelines. Communicate effectively, ask clarifying questions, and
provide regular updates to maintain good client relationships. Provide
exceptional customer service, be professional, and address any concerns or
issues promptly.
9. Continuously learn and adapt: Stay up to date with the
latest trends, technologies, and programming languages in your field. The
freelance market is ever-evolving, so it's important to adapt your skills and
offerings accordingly. Invest time in learning new tools, frameworks, and
methodologies to stay competitive.
10. Market yourself: Actively market your services through
online channels such as social media, your blog, or guest posting on relevant
platforms. Leverage content marketing to share your knowledge and establish
yourself as an expert in your niche. Use SEO techniques to improve your
visibility in search engine results. Seek testimonials from satisfied clients
to build credibility.
Remember that building a successful freelance career takes
time and effort. Be patient, persevere through challenges, and continually
refine your skills and approach. Over time, as you gain experience and a
positive reputation, you can attract higher-paying clients and build a
sustainable freelance programming business.
What is Android Operating System?
What
is Android Operating System?
The Android operating system is an open-source mobile
operating system developed by Google. It is designed primarily for touchscreen
devices such as smartphones and tablets, but it is also used in other devices
such as smart TVs, smartwatches, and even some cars.
Android is based on the Linux kernel and follows a layered
architecture. It provides a rich set of features and services that allow
developers to create a wide variety of applications. The Android operating
system includes a user interface, application framework, and a set of core
applications.
The user interface of Android typically consists of a home
screen with app icons, a notification panel, and a navigation system using
touch gestures. Users can interact with the device by tapping, swiping, and
using virtual buttons on the touchscreen.
The application framework provides developers with a set of
APIs (Application Programming Interfaces) that allow them to access various
hardware and software features of the device. This enables the development of
applications that can make use of features such as camera, GPS, accelerometer,
and more.
Android supports a wide range of programming languages, but
the primary language for Android app development is Java. However, developers
can also use Kotlin, a modern programming language that is fully supported by
Google for Android development.
The Android operating system is known for its customization
options, allowing users to personalize their devices by installing third-party
apps, widgets, and customizing the look and feel of the interface. It also
provides integration with Google services such as Gmail, Google Maps, and
Google Drive.
As an open-source operating system, Android has a large and
active community of developers who contribute to its development and create a
vast ecosystem of apps and tools. This contributes to the popularity and
widespread adoption of Android devices worldwide.
Add and Subtract Two Numbers in Python
A program that will ask the user to give two numbers and then the program will compute the sum and difference of two numbers using Python programming language.
I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me at the following email address for further details. If you want to advertise on my website kindly contact me also in my email address also. Thank you.
My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================
You can buy my C++ book online at
https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/
You can buy my book in introduction to computer networking at
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking
Want to support my channel?
GCash Account
Jake Pomperada
09173084360
Paypal
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Patreon
https://www.patreon.com/jakerpomperada
Thank you very much for your support.
Program Listing
print('\n')
print("Add and Subtract Two Numbers in Python\n")
# Getting input from the user
num1 = int(input("Enter the first number: "))
num2 = int(input("Enter the second number: "))
print('\n')
# Addition
sum_result = num1 + num2
print("The sum of", num1, "and", num2, "is:", sum_result)
# Subtraction
sub_result = num1 - num2
print("The difference between", num1, "and", num2, "is:", sub_result)
Sunday, June 11, 2023
Add and Subtract Two Numbers in C
A simple program to ask the user to give two numbers and then the program will compute the sum and difference of two numbers using C programming language.
I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me at the following email address for further details. If you want to advertise on my website kindly contact me also in my email address also. Thank you.
My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
My mobile number here in the Philippines is 09173084360.
Please subscribe to my channel https://www.youtube.com/channel/UCOs-lpOoIeJoh6gpJthPoGg
=================================================
You can buy my C++ book online at
https://www.mindshaperspublishing.com/product/beginners-guide-to-c-programming/
You can buy my book in introduction to computer networking at
https://www.unlimitedbooksph.com/product-page/introduction-to-computer-networking
Want to support my channel?
GCash Account
Jake Pomperada
09173084360
Paypal
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Thank you very much for your support.
Program Listing
#include <stdio.h>
int main() {
int num1, num2, sum, difference;
printf("\n\n");
printf("\tAdd and Subtract Two Numbers in C\n\n");
printf("\tEnter the first number: ");
scanf("%d", &num1);
printf("\tEnter the second number: ");
scanf("%d", &num2);
sum = num1 + num2;
difference = num1 - num2;
printf("\n\n");
printf("\tSum: %d\n", sum);
printf("\tDifference: %d\n", difference);
return 0;
}