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How to copy a dictionary and only edit the copy
... (which is rare), you have to do so explicitly with
dict2 = dict(dict1)
or
dict2 = dict1.copy()
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What is the difference between concurrency and parallelism?
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Concurrency is when two or more tasks can start, run, and complete in overlapping time periods. It doesn't necessarily mean they'll ever both be running at the same instant. For example, multitasking on a single-core machine.
Parallelism is when ...
What do the result codes in SVN mean?
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For additional details see the SVNBook: "Status of working copy files and directories".
The common statuses:
U: Working file was updated
G: Changes on the repo were automatically merged into the working copy
M: ...
bash: pip: command not found
I downloaded pip and ran python setup.py install and everything worked just fine. The very next step in the tutorial is to run pip install <lib you want> but before it even tries to find anything online I get an error "bash: pip: command not found".
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Why are there no ++ and -- operators in Python?
Why are there no ++ and -- operators in Python?
19 Answers
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How do you validate a URL with a regular expression in Python?
...new to Python and have been beating my head against the following problem for the past 3 days.
12 Answers
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What is the “assert” function?
I've been studying OpenCV tutorials and came across the assert function; what does it do?
9 Answers
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jquery.validate.unobtrusive not working with dynamic injected elements
I am working with ASP.Net MVC3 , the easier way to use the client validation would be enabling the jquery.validate.unobtrusive . Everything works fine, for stuff that's right from server.
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Convert java.util.Date to java.time.LocalDate
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Short answer
Date input = new Date();
LocalDate date = input.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
Explanation
Despite its name, java.util.Date represents an instant on the time-line, not a "date". The a...
Why is Maven downloading the maven-metadata.xml every time?
Below is the error I usually get when my internet connection is flanky when trying to build a web application with maven.
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