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How many threads is too many?
I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
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How to change a module variable from another module?
... bar/bar.py module (since bar.__init__.py makes directory bar/ a package already, that you can also import with import bar).
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Using Node.js only vs. using Node.js with Apache/Nginx
...in front of the application server(s).
Every objective reason I have ever read against serving static files with Node revolves around the idea of using what you know best or using what is perceived as better-tested / more stable. These are very valid reasons practically speaking, but have little pu...
How can I store my users' passwords safely?
... folks on the internet.
For more information on password storage schemes, read Jeff`s blog post: You're Probably Storing Passwords Incorrectly
Whatever you do if you go for the 'I'll do it myself, thank you' approach, do not use MD5 or SHA1 anymore. They are nice hashing algorithm, but considered ...
Use of 'const' for function parameters
... and mark parameters const whenever possible; it's more expressive. When I read someone else's code, I use little indicators like this to judge how much care they put into writing their code alongside things like magic numbers, commenting, and proper pointer usage, etc.
– Ultim...
What is difference between functional and imperative programming languages?
...acteristics bring a number of benefits, including the following:
Increased readability and maintainability. This is because each function is designed to accomplish a specific task given its arguments. The function does not rely on any external state.
Easier reiterative development. Because the code...
How do I measure time elapsed in Java? [duplicate]
.... However this TSC may not be the same between cores/processors. If your thread is rescheduled to a different core partway through, you will end up with a start timestamp from core 1 and a end timestamp from core 2 but they might not be the same time (you can even get negative values) - some example...
What is a Y-combinator? [closed]
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If you're ready for a long read, Mike Vanier has a great explanation. Long story short, it allows you to implement recursion in a language that doesn't necessarily support it natively.
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Match multiline text using regular expression
...ny character that is either whitespace or non-whitespace"), . is easier to read, but you need to look for the (?s) or DOTALL modifier in order to find out whether newlines are included or not. I'd prefer . with the Pattern.DOTALL flag set (this is easier to read and remember than (?s) in my opinion....
What's the difference between passing by reference vs. passing by value?
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@YungGun "too long, didn't read". A glance shows exactly the confusions outlined in the answer. Pass by reference is an abstract technique agnostic to implementation. It doesn't matter what exactly is passed under the hood, it matters what the effect o...