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Change priorityQueue to max priorityqueue
I have priority queue in Java of Integers:
16 Answers
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GCD to perform task in main thread
...t come from any thread. When I get this callback, then I would like to perform a certain task on the main thread.
4 Answers...
How does mockito when() invocation work?
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The short answer is that in your example, the result of mock.method() will be a type-appropriate empty value; mockito uses indirection via proxying, method interception, and a shared instance of the MockingProgress class in order t...
Setting environment variables for accessing in PHP when using Apache
...nv in PHP. I need to know how these environment variables need to be set for the application to work correctly. I am not sure how to set this up on Apache.
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
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The && operator is a boolean AND operator: if the left side returns a non-zero exit status, the operator returns that status and does not evaluate the right side (it short-circuits), otherwise it evaluates the right side and returns its e...
Open document with default OS application in Python, both in Windows and Mac OS
... same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python?
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Link to the issue number on GitHub within a commit message
...itute #xxx with gh-xxx.
Referencing and closing issues across repos also works:
fixes user/repo#xxx
Check out the documentation available in their Help section.
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Align image in center and middle within div
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Following doesn't work. What's the mistake i am doing. <html> <head> <style> #over img { display: block; margin-left: auto; margin-right: auto; } </style> </head> <body> <div id="over" style="p...
How do I remove documents using Node.js Mongoose?
The above doesn't seem to work. The records are still there.
22 Answers
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ValueError: math domain error
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Your code is doing a log of a number that is less than or equal to zero. That's mathematically undefined, so Python's log function raises an exception. Here's an example:
>>> from math import log
>>> log(-1)
Traceback (most recent call last):
File "<pyshel...