​​If you ever worked with an AJAX call, you are probably familiar with the following error displayed in browser console:

Failed to load https://example.com/: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin ‘https://anfo.pl' is therefore not allowed access. If an opaque response serves your needs, set the request’s mode to ‘no-cors’ to fetch the resource with CORS disabled.

⏱ 5 minutes read

#CORS #browsers

​​To give a bit of context, I am a Discord admin on a small server about development, and we recently got a report from one of our users that someone was trying to get him to download an EXE file.

⏱ 4 minutes read

#NodeJS #Malware

​​Have you ever imagined getting fired on the first day of a job? I have seen it happen, and I have zero sympathies for the fired programmer. I am telling you the whole story.

⏱ 5 minutes read

#Career

​​When developing, I often need rapid prototypes of database applications, for example, to test code or to create an MVP. Of course, I would like such a prototype to require minimal effort to refine, in case it is decided to use it in production.

⏱ 5 minutes read

#database

​​Recruiters be like:

We're looking for someone who can connect to the database using CSS.

⏱ 5 minutes read

#CSS

​​I have used react for the last 5 years, and below are the question that came in late as per the understanding.

⏱ 3 minutes read

#React

​​The most significant problem of a code review is asynchronous ping-pong of quite difficult questions/answers. This is inefficient, but also makes people frustrated.

⏱ 4 minutes

#Software

​​For along of my dev career I tried to ease my every day routine. I tried lots of tools and apps, different approaches that I found in numerous articles and sources. Not all of them were really useful. Some of them made my routine even more time consuming

⏱ 7 minutes read

#MacOS #Productivity

​​This article contains code snippets hand-picked by sterilized contamination-free gloves and placed onto a satin pillow.

⏱ 4 minutes read

#JavaScript

​​ECMAScript 2022 is a new JavaScript standard that is going to be released in June 2022. Let’s overview the most important changes that would appear almost certainly in the new release as they reached the 4th stage of TC39 process.

⏱ 3 minutes read

#JavaScript

​​The war among frameworks is a hot topic in the JavaScript community, and it is one of many holy wars in the profession. Since the beginning, with jQuery, followed by AngularJS to modern frameworks, the war has been fierce.

⏱ 5 minutes

#JavaScript #Frameworks

​​90 % of Javascript Developer fail to answer these code snippets (Asked in Interview)

⏱ 4 minutes read

#Interview

​​Using the right libraries to optimize the workflow is the key to success.

⏱ 3 minutes read

#React

​​We as JavaScript developers usually console.log() stuffs to test the output or just for fun. Even, I can bet that our (include me ✌️) first code was “Hello world” logged in the console.

⏱ 2 minutes read

#JavaScript

​​While I was thinking about what I should work on for my Stackathon project at Fullstack Academy, I realized that I had been curious about Vue.js for a while. Several developers who’s work I followed on social media, independently from each other, had pointed out that since its creation Vue had only increased in popularity, and eventually, due to a lower learning barrier than React or Angular, would dominate the market.

⏱ 7 minutes read

#React #Vue

​​The End of Year Pay Report 2021 revealed the unbelievable salaries offered to developers.

⏱ 5 minutes read

#Career

​​There are lots of open-source projects which are just 🤯. From productivity tools to B2B applications open source projects are there for you. Let’s see some projects worth using and some projects which completely replace paid software 👀.

⏱ 4 minutes read

#OpenSource

​​What a crazy story.

⏱ 6 minutes read

#Career

​​March is the best time to change jobs again. I fantasize that as long as I change my job, I can leave this “broken place”, make more money and do the most comfortable things.

⏱ 5 minutes read

#Algorithms

​​React is a JavaScript library, and it is the most popular and industry-leading frontend development library today.

⏱ 6 minutes read

#React #TypeScript