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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
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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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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...
What is the best comment in source code you have ever encountered? [closed]
...e to remove anything directly offensive before releasing the code). Here's one I'm particulary fond of, placed far, far down a poorly-designed 'God Object':
/**
* For the brave souls who get this far: You are the chosen ones,
* the valiant knights of programming who toil away, without rest,
* fixin...
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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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...
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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Python's many ways of string formatting — are the older ones (going to be) deprecated?
...ocs intended to explicitly emphasise that it will not be deprecated, let alone removed. The docs remain opinionated on the relative merits of different kinds of string formatting, but they're also clear the %-formatting isn't going to get deprecated or removed.
What's more, the most recent change t...
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...