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Why is the time complexity of both DFS and BFS O( V + E )
... [(incident_edges v1) + (incident_edges v2) + ... + (incident_edges vn)]
and the first group is O(N) while the other is O(E).
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Java ArrayList how to add elements at the beginning
...add the element at the beginning of the array (so it has the lowest index) and if the array has 10 elements adding a new results in deleting the oldest element (the one with the highest index).
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Which exception should I raise on bad/illegal argument combinations in Python?
...tion..
def import_to_orm(name, save=False, recurse=False):
if recurse and not save:
raise ValueError("save must be True if recurse is True")
There's really no point in doing class BadValueError(ValueError):pass - your custom class is identical in use to ValueError, so why not use that...
Getting the IP address of the current machine using Java
... the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields. This includes checking the existence of the route to the destination according to the system's routing table and setti...
How to implement WiX installer upgrade?
...omatic upgrades. It prevents downgrades, giving a localised error message, and also prevents upgrading an already existing identical version (i.e. only lower versions are upgraded):
<MajorUpgrade
AllowDowngrades="no" DowngradeErrorMessage="!(loc.NewerVersionInstalled)"
AllowSameVersionUp...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...It does not stop a pipeline or a loop from continuing. Throw on the other hand produces what is called a terminating error. If you use throw, the pipeline and/or current loop will be terminated. In fact all execution will be terminated unless you use a trap or a try/catch structure to handle the ter...
Auto expand a textarea using jQuery
How can I make a textarea automatically expand using jQuery?
31 Answers
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How to find the statistical mode?
In R, mean() and median() are standard functions which do what you'd expect. mode() tells you the internal storage mode of the object, not the value that occurs the most in its argument. But is there is a standard library function that implements the statistical mode for a vector (or list)?
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How to compare a local git branch with its remote branch?
How can I see the diff between a local branch and a remote branch?
22 Answers
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How to open an elevated cmd using command line for Windows?
How do I open a elevated command prompt using command lines on a normal cmd?
22 Answers
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