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Showing posts from March, 2023

Why People Want Another People to Fail

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A tribe going to attack other tribe over scarce resources In the stone age era, it was easy to tell people to be nice by telling them some mythical stories about the punishment they will get if they do terrible things. But in the modern era where people can learn any information quickly, they have reasons to not believe in any such thing, people are just getting harder to control. Humans are fundamentally carnivores, we hunt animals for food. We make a sharp arm to defend our tribe when another tribe tries to attack us, we have a very cruel and selfish history in the past that is passed from generation to generation. To go to the top chain of food, or to go to the top of social class we have to be the strongest. Sometimes by using any means necessary to achieve that goal. And that inner beast that is descended from our past is still inside us. We get jealous when the Success of a coworker means bad for us because we are such a selfish species. In the past, food can be very rare to find
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Most Influencing People In My Career and Personal Life

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These are some people or even myths that I admire, and inspire, and also their thoughts that influence my life. 1. Seth MacFarlane (actor, writer, director, and more) Very progressive person and very funny, he is the creator of the Cartoon that every episode I have watched, Family Guy. Also his new Star wars sitcom, the Orville. Whenever he appears on TV I always find him to be a very funny and inspiring, really talented person. 2. Elon Musk (Tesla and SpaceX) Could probably be the founder of Bitcoin, Satoshi Nakamoto. A businessman, The richest person ever lived, some say that African kings are the richest, but I didn’t believe it. Elon musk is very successful, achieving so many things in his life, with his knowledge. I like how the business man he is have been creating multiple company like so easily. Also like his futuristic views about space exploration. 3. James Gosling (the programming language Java) Not everyone know about him, even in the developer community, but he is very
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What To Do For Productivity As a Solo Developer

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Photo by Antenna on Unsplash Not long ago I wrote something in this blog about the definition of AGILE principle to better improve productivity. Well, this blog has a lot of things, and i couldn’t even remember when. Now I continue to do more practical ways of doing AGILE in a team or individual work. It’s not fully AGILE, but still a part of it. When trying to deliver a project it is always not an easy task, especially if we are not a disciplined person. We need some system or a routine to achieve the goal we dream of, which is getting bonuses from the boss, or if you are working for yourself, getting your product launch feels special already. Daily stand up meeting We do quick meetings at the end of the day to share our day to day progress. What we have done today, If it's not done then explain what’s the problem causing it that took long, and if it's solved, what each individual is going to do for tomorrow. And it’s not even take an hour, it could be very simple at least th
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Firebase and JQuery Tech Stack - Simplest and most Scalable way of developing a website

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Firebase jQuery Bootstrap stack A lot of companies and indie developers in the real world develop websites using so many tech stacks that it is such a waste of time, money, and resources. It’s economically not wise, either they don't know or they are just deliberately doing so to make the company they work for spend tons of money. Certainly, there’s a better approach to doing websites, which should be a cloud base. This is not a secret, you can develop a large-scale application with just less tech stack that even a beginner does not need to learn so many tech stacks. The tech stack I recommend is Firebase, JQuery, and Bootstrap. In the traditional app, these are the workflow of setting up the tech stack to make their website run: Lease a server from some hosting company Install the OS for the database Setting up the database of choice: MySQL, Postgre, Oracle, Mongo, whatever Install the OS for the backend / Rest API Setting up the web server for the backend API Developing some back
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Coding On Your Android Phone Using Termux

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Writing code on Android Termux app Software development is not a task that you can solve in one sitting, it can take you hours to build stuff, and requires a lot of debugging. But to do small things like develop a small feature in your free time when you're away from your laptop is a time hack. You can achieve that by using your phone alone. Here's how. Install Termux All developers or whatever IT guys need is a simple command line tool that you can use to do some operation like editing a file or installing some tool or program on the system. Luckily the Android world is very robust, we have a terminal tool to execute the Linux command line on your phone. The app is called Termux. Although Termux is available on the Android Play Store, it's been long abandoned by the developer, it's still running but no longer maintained. The newest version of Termux is available on the F Droid app store. So the first thing to do is install f droid and install Termux from FDroid in
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ERROR 1348 Column Password Is Not Updatable When Updating MySQL Root Password

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MySQL and MariaDB password As already mentioned in the title of this blog, this error message sometimes occurred when we are trying to update our root password database, either MySQL or MariaDB, The error says: ERROR 1348 (HY000): Column 'Password' is not updatable This is because if we use this SQL command to update our database root password, and it turn out to be Restricted by MySQL to use update on mysql database. UPDATE mysql.user SET Password=PASSWORD('1234') WHERE User='root'; The solutions for MySQL Error1348 So you can not update a user password using Update commands, to update the password, use ALTER commands instead. like the following. ALTER USER 'root'@'localhost' IDENTIFIED BY '1234'; And then you need to do the flush privileges to commit previous queries (that alter command above) into the system, simply do like this. flush privileges; So now you have your root with password 1234. Although it is recommended to
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Spring Kafka - how to use ReplyingKafkaTemplate send and reply synchronously

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Microservice Spring with Apache Kafka Kafka is an asynchronous messaging queuing system, but when you have a case in your project that you need to have the result immediately from another service you can do that quite easily. Kafka from the client side produces a message to the server side, then waiting for the server to return back the message exactly what the client wants. It’s identified in the kafka header request named KafkaHeaders.CORRELATION_ID and a topic where the server should send. If the server side produces the same correlation id to the same topic in the request, then the client side will catch that message as its reply. Although you can work with kafka from a different framework and language other than Java and Spring. Here’s in this example i just specifically giving the example of sending and replying kafka messages using Spring Boot. The Project Overview The client-project will send a string message to the server-project over kafka, then the server-project wil
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How To Create Spring Boot Project Using Netbeans

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Spring Boot is program that you can use to develops Spring Framework easier, without the need of using so many hard to handle configuration. This tutorial, we are gonna create Spring Boot Application by using Netbeans IDE. You can of course create Spring Boot Appilcation on Netbeans, but it will be easier if just using plugin for Spring development in Netbeans, 1. Open Netbeans, click tools menu and click plugin. After plugin window opened, click tab Available Plugins and find the "Nb SpringBoot" plugin then install and activate the plugin. 2. After restarting the Netbeans IDE. Now you gonna be able to create a new project with Spring boot application. File > New Project > Under categories, choose Maven > then choose  Spring Boot Basic. Now you can start the development of spring boot application using your Netbeans IDE. Open pom.xml to add spring boot dependencies you want.
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How To Connect SSH Using PEM Certificate On Windows

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Usually you will need a pair of SSH username and password to connect to a remote server. But there's also another way to connect to the server via SSH but without password, just using a dot pem (example.pem) file. Here's how we usually do on Windows 1. Let’s SSH login using pem to confirm if it’s throwing error or the pem is fine, if error then we need to move to step 2 to fix it: ssh adam@10.0.0.123  -i server-cert.pem And here's the usual error that will throw if your pem file is not ready for SSH login. You need to follow the next step to make your pem certificate ready to login to your server via SSH. 2. Open Windows Explorer, then right-click on the pem file, then select "Properties". Navigate to the "Security" tab, and click "Advanced" 3. Disable inheritance 4. Delete all permissions, so it doesn’t have any permission 5. Now add you as the only only owner. By click button Add and then Select a principal, then Advanced. 6. On the showing p
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Intellij Error: Spring class file has wrong version 61.0, should be 55.0

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Intellij is a very smart IDE, but unlike any other ide you are still smarter than it, so whenever a problem arises when using the IDE and the ide doesn’t have the clue what is the problem, you are the one who is responsible for fixing it. The IDE just gives you a pointer of the error, with hundreds of possibilities that can cause it. For starters or even a developer that uses Spring boot frequently, it’s still quite ambiguous problems that often prevent us from starting to develop the project further because it’s the beginning of creating the project. Currently the default Spring version when creating a project using Start.spring.io is Spring boot v3.x. And that is to use Java 17. But if you have multiple projects in your working computer that use older versions of Java, upgrading to java 17 is not convenient. So that becomes the problem, because Spring 3x must use Java 17, but in my current COmputer i set it to Java 11. How to fix Intellij class file has wrong version 61.0, should be
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