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SQL - many-to-many table primary key
...ce (it may be updated occasionally but that's unlikely to change key/index info, more to hit things like order status. However, those updates and the selects you'll need to do to print out invoices or generate management reports are going to outweigh the original insert.
– paxd...
Why is a 3-way merge advantageous over a 2-way merge?
... first line, and that your friend added the last line. And it can use that information to produce the merged version.
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Mongodb Explain for Aggregation framework
...ions
As at MongoDB 3.4, the Aggregation Framework explain option provides information on how a pipeline is processed but does not support the same level of detail as the executionStats mode for a find() query. If you are focused on optimizing initial query execution you will likely find it benefici...
What is referential transparency?
...ural languages and programming languages. Even in functional programming, free and bound variables are to be interpreted with respect to the context in which they appear in. Context dependence of any kind blocks referential transparency in some way or the other. If you try to understand the meani...
Why can't I use Docker CMD multiple times to run multiple services?
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Even though CMD is written down in the Dockerfile, it really is runtime information. Just like EXPOSE, but contrary to e.g. RUN and ADD. By this, I mean that you can override it later, in an extending Dockerfile, or simple in your run command, which is what you are experiencing. At all times, the...
What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
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I think http://hasno.info/ruby-gotchas-and-caveats has a decent explanation of the difference:
catch/throw are not the same as raise/rescue. catch/throw allows you to quickly exit blocks back to a point where a catch is defined for a specific...
When do you use POST and when do you use GET?
... this way.
POST is also more secure than GET, because you aren't sticking information into a URL. And so using GET as the method for an HTML form that collects a password or other sensitive information is not the best idea.
One final note: POST can transmit a larger amount of information than GET....
What is exactly the base pointer and stack pointer? To what do they point?
...tions and Stack Frames in a WikiBook about x86 assembly. I try to add some info you might be interested in using Visual Studio.
Storing the caller EBP as the first local variable is called a standard stack frame, and this may be used for nearly all calling conventions on Windows. Differences exist ...
What is the difference between Class Path and Build Path
... file else where, use relative path from here.
See this and this for more info.
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What are good alternatives to SQL (the language)? [closed]
... much time doing database design. Check out the Hibernate website for more info. I'm sure others will chime in with other interesting query languages...
Of course, there's plenty of NoSQL stuff out there, but you specifically mention that you're not interested in those.
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