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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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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 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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How do I fetch only one branch of a remote Git repository?
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One way is the following:
git fetch <remotename> <remote branch>:refs/remotes/<remotename>/<local branch>
This does not set up tracking though.
For more information, see the documentation of git fe...
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...
Functional design patterns [closed]
...unfortunately I don't know any book or article where they're summarized in one place (there is Typeclassopedia but it has a lot of areas that aren't covered well). Can anyone recommend an article/book which covers them well in one place and which can be accessible to a programmer with intermediate...
How to use unicode characters in Windows command line?
...tations:
CMD and “console” are unrelated factors. CMD.exe is a just one of programs which are ready to “work inside” a console (“console applications”).
AFAIK, CMD has perfect support for Unicode; you can enter/output all Unicode chars when any codepage is active.
Windows’ console...