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How to avoid “Permission denied” when using pip with virtualenv
...env permission problems might occur when you create the virtualenv as sudo and then operate without sudo in the virtualenv.
As found out in your question's comment, the solution here is to create the virtualenv without sudo to be able to work (esp. write) in it without sudo.
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How to check if one DateTime is greater than the other in C#
I have two DateTime objects: StartDate and EndDate . I want to make sure StartDate is before EndDate . How is this done in C#?
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convert a JavaScript string variable to decimal/money
...n the future, do not use float to store currency. You will loose precision and data. You should store it as a integer number of cents (or pennies etc.) and then convert prior to output.". Source: stackoverflow.com/questions/149055/…
– SSH This
Nov 27 '13 at 1...
How to say “should_receive” more times in RSpec
...swer below
for 2 times:
Project.should_receive(:find).twice.with(@project).and_return(@project)
for exactly n times:
Project.should_receive(:find).exactly(n).times.with(@project).and_return(@project)
for at least n times:
Project.should_receive(:msg).at_least(n).times.with(@project).and_return(@pr...
Does MySQL foreign_key_checks affect the entire database?
When I execute this command in MySQL:
6 Answers
6
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Throw away local commits in Git
...ng, my local Git repository is currently five commits ahead of the origin, and not in a good state. I want to get rid of all these commits and start over again.
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Lowercase JSON key names with JSON Marshal in Go
... or some other settings. Well, this is the exact answer I was looking for! And in addition, I have a new Go concept to learn about: field tags :)
– ANisus
Jul 27 '12 at 19:18
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Making button go full-width?
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tested with bootstrap V3 and "btn-block" worked for me
– Buddhika Alwis
Mar 10 '17 at 6:04
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How to initialize a two-dimensional array in Python?
I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
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On the one hand, throwing exceptions is inherently expensive, because the stack has to be unwound etc.
On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way t...