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First-time database design: am I overengineering? [closed]

I'm a first year CS student and I work part time for my dad's small business. I don't have any experience in real world application development. I have written scripts in Python, some coursework in C, but nothing like this. ...
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Java's L number (long) specification

... There are specific suffixes for long (e.g. 39832L), float (e.g. 2.4f) and double (e.g. -7.832d). If there is no suffix, and it is an integral type (e.g. 5623), it is assumed to be an int. If it is not an integral type (e.g. 3.14159), it is assumed to be a double. In all other cases (byte, sho...
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Why would you use String.Equals over ==? [duplicate]

I recently was introduced to a large codebase and noticed all string comparisons are done using String.Equals() instead of == ...
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets

I have read many posts on SO and the web regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the r...
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How can I share code between Node.js and the browser?

...creating a small application with a JavaScript client (run in the browser) and a Node.js server, communicating using WebSocket. ...
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How can I obfuscate (protect) JavaScript? [closed]

I want to make a JavaScript application that's not open source, and thus I wish to learn how to can obfuscate my JS code? Is this possible? ...
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What is the difference between concurrency, parallelism and asynchronous methods?

... Concurrent and parallel are effectively the same principle as you correctly surmise, both are related to tasks being executed simultaneously although I would say that parallel tasks should be truly multitasking, executed "at the same ti...
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What is a mixin, and why are they useful?

...ming Python ", Mark Lutz mentions "mixins". I'm from a C/C++/C# background and I have not heard the term before. What is a mixin? ...
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How can I save my secret keys and password securely in my version control system?

I keep important settings like the hostnames and ports of development and production servers in my version control system. But I know that it's bad practice to keep secrets (like private keys and database passwords) in a VCS repository. ...
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Why does Git say my master branch is “already up to date” even though it is not?

I just deleted ALL the code from a file in my project and committed the change to my local git (on purpose). I did 7 Answe...