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What scalability problems have you encountered using a NoSQL data store? [closed]
...with large amounts of archival data, and moved it over to CouchDB. It's an excellent read, and he discusses the entire process of figuring out what problems CouchDB could solve and how they ended up solving them.
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mongodb/mongoose findMany - find all documents with IDs listed in array
...body working with mongoDB read through the Advanced Queries section of the excellent Official mongoDB Docs
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How should I edit an Entity Framework connection string?
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Excellent. This is exactly the answer I was looking for. Just to be safe I commented out the existing string (rather than delete it), saved the app.config changes, right-clicked the designer and chose Update Model From Databa...
Associativity of “in” in Python?
...hort answer, since the long one is already given several times here and in excellent ways, is that the boolean expression is short-circuited, this is has stopped evaluation when a change of true in false or vice versa cannot happen by further evaluation.
(see http://en.wikipedia.org/wiki/Short-c...
What's wrong with foreign keys?
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+1 Excellent answer -- the second reason not to use FK constraints could be thought of "makes it harder to break consistency" which actually sounds like a good thing!
– Bill Karwin
Sep 1 '0...
UTF-8 all the way through
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I'd like to add one thing to chazomaticus' excellent answer:
Don't forget the META tag either (like this, or the HTML4 or XHTML version of it):
<meta charset="utf-8">
That seems trivial, but IE7 has given me problems with that before.
I was doing everything...
Creating an empty Pandas DataFrame, then filling it?
...???????????([]) to create an empty pandas dataframe. Upvoting this answer. Excellent explanation, @cs95!
– jslipknot
Jul 11 '19 at 0:55
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Design Patterns: Abstract Factory vs Factory Method
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It seems that the OP's list of (excellent) questions has been ignored. Current answers merely offer rehashed definitions. So I will attempt to address the original questions concisely.
If the Abstract Factory has only one creator and one product, is ...
What is the difference between an int and an Integer in Java and C#?
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I'll add to the excellent answers given above, and talk about boxing and unboxing, and how this applies to Java (although C# has it too). I'll use just Java terminology because I am more au fait with that.
As the answers mentioned, int is j...
Scalar vs. primitive data type - are they the same thing?
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Excellent linguistic definitions. This answer should be read along with Michael Ekstrand's answer for a fuller discussion. In the context of programming languages, scalar has different meanings, unfortunately.
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