What are some good ways to make money as a Senior Software Engineer without joining any company?

Apart from freelancing, what are some other ways to make money as a software engineer?

What are the different ways of doing progressive image loading?

I did a performance audit for one of my apps recently. The major bottleneck is time to load all images since my webapp involves loading lot of images. I learned how medium.com does their progressive image loading from an article. I’m wondering is the...

What is the point of --no-ff in Git?

Sometimes while merging branches I come across this --no-ff flag. I read some resources online, but unfortunately couldn't understand it properly. Can someone please explain it to me? I really appreciate all your help.

How do you scale Redis horizontally? Or should I focus on vertical scaling?

I have a Redis instance that is growing at a fast rate. How should I add new Redis servers to enable horizontal scaling (something like sharding in DBs)? Or should I just increase the size of current machine?

How should a developer go about convincing their managers to use a new technology?

Most bosses and managers get horrified if they hear about a new technology. Consider a company that is stuck with SVN. Git can be a better alternative that's proven and used widely. What should a developer keep in mind and what are the steps to foll...

How will you implement 'Currently Editing' functionality in Socket.io, JavaScript, Node.js?

I have content in a textarea which can be edited by multiple people. I would like to know what's the best way to show who's currently writing in that textarea realtime? I have a setup that uses Socket.io and Node.js.

Why do SSDs have better performance as compared to HDDs?

Recently I came across a discussion regarding RAM vs Disk access here on Hashnode. Just out of curiosity, I would like to know why SSDs are more performant.

LetsEncrypt vs AWS free SSL : Which one will see more developer adoption?

Will I be considered old school, if I use Ruby on Rails to build a content based website?

Also, please share your opinion about RoR platform for building content driven websites.

What is a microservice?

I just joined and can see some discussions going on around micro services. can someone please help me understand Microservices and how they are useful in web apps?