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What exactly is a reentrant function?
... effect.
3. What exactly is the common thread between the six points mentioned that I should keep in mind while checking my code for reentrant capabilities?
You can smell a problem if your function has/gives access to a modifiable persistent resource, or has/gives access to a function that smells....
Entity Framework: There is already an open DataReader associated with this Command
...mand with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this always happens is when you iterate through result of th...
Should you declare methods using overloads or optional parameters in C# 4.0?
...them to non-optional anyway.
And I like the notion that there's generally one super method, and the rest are simpler wrappers around that one.
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Usage of __slots__?
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In Python, what is the purpose of __slots__ and what are the cases one should avoid this?
TLDR:
The special attribute __slots__ allows you to explicitly state which instance attributes you expect your object instances to have, with the expected results:
faster attribute access.
space savin...
How can building a heap be O(n) time complexity?
Can someone help explain how can building a heap be O(n) complexity?
17 Answers
17
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How to simplify a null-safe compareTo() implementation?
...null object. It looks like a problem with the collections framework to be honest, trying to figure out how to corner this.
– Pedro Borges
Jun 12 '18 at 11:52
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How to debug a single thread in Visual Studio?
...l break-points in different projects. I want to trace the first thread hit one of these break-points and continue tracing that single thread despite of other threads entering the same code-blocks.
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Mongoose and multiple database in single node.js project
I'm doing a Node.js project that contains sub projects. One sub project will have one Mongodb database and Mongoose will be use for wrapping and querying db. But the problem is
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What is the difference between async.waterfall and async.series
... The above answer may be correct back to 2012, but the correct one is the same as the next, which is: series() as it's named that ALL results as a series passed to the Final callback, and waterfall is the LAST result passed to the Final callback. See Mozilla Developer
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HTML: Include, or exclude, optional closing tags?
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The optional ones are all ones that should be semantically clear where they end, without needing the end tag.
E.G. each <li> implies a </li> if there isn't one right before it.
The forbidden end tags all would be immediatel...