Should i learn hyperledger composer even if its depreciated [closed] - hyperledger-fabric

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Many courses are teaching composer first
And then fabric that too older versions of it. So should i learn that course ?
Or should i look for something which teaches fabric 2.x and is composer used in industry ?

I would not recommend investing any time learning Hyperledger Composer. It is more than deprecated, it is end of life and it would not be sensible to be using it in any sort of production environment now. You should focus your efforts on learning Hyperledger Fabric 2.x

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Node.js for Backend [closed]

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What is the best way to learn practical Node.js?
I want to be a Node.js developer.
All the courses I found on the Internet (paid or unpaid) seems to have little to very basic knowledge of Node.
These courses are unable to full fill my thirst for knowledge.
Kindly recommend me a good source to learn Node.js.
Yes I am asking for your Opinion.
Read the documentation and learn the best practices. Once you learn to control the flow, you can do anything with it. My suggestion would be to find a problem statement and try to solve that using Node.

Can we use sonarQube to completely replace the custom-build security testing scenarios? [closed]

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I see that sonarQube can be used for measuring code quality and for finding security vulnerabilities. I am having hard time deciding whether to replace the custom-build BDD security testing scenarios with sonarQube testing for my backend services. BDD testing usually takes longer than the sonarQube analysis. I would appreciate your suggestions on this.
Thanks
These two things are complementary. I wouldn't stop either in favor of the other.

Web Developer want to learn Node.js [closed]

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I have 2 years of experience in Web-Development having knowledge of Struts and JSF ,and now i want to learn Node.js...is it worthy to learn it?is it going to give any benefit to me in my career path.
Thanks
Please suggest
Here you have some other stack overflow post that explain well how to learn Node.js.
To me Node.js is a great language and it worth it to be learned. Here you have a great article who explain well why Node.js is worthwhile.

mean.io vs cleverstack. Which is better [closed]

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I have to choose a framework that has angular and nodejs. I came across mean.io but the main contributor left it. mean.js is still not fully developed.
Cleverstack promises a lot but i am surprised to see very less stars and forks on github and just 2 contributors and 2 forks.
I want to know which is better to choose considering future development for my project.

Express.js why to upgrade from 2.x to 3.x [closed]

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Trying to find a rationale for upgrade, other than to stay current with API docs on express website. To my surprise I couldn't find anything on the subject. Any personal experience why 3.x is better than 2.x?
There are new features in Express.js 3.x. Do you want them? Then upgrade.

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