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What is the use of “assert” in Python?
...s has been pointed out above, in Python 3, assert is still a statement, so by analogy with print(..), one may extrapolate the same to assert(..) or raise(..) but you shouldn't.
This is important because:
assert(2 + 2 == 5, "Houston we've got a problem")
won't work, unlike
assert 2 + 2 == 5, "Ho...
Add x and y labels to a pandas plot
... colormap='jet', marker='.', markersize=10, title='Video streaming dropout by category')
ax.set_xlabel("x label")
ax.set_ylabel("y label")
Or, more succinctly: ax.set(xlabel="x label", ylabel="y label").
Alternatively, the index x-axis label is automatically set to the Index name, if it has one...
Raise warning in Python without interrupting program
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You shouldn't raise the warning, you should be using warnings module. By raising it you're generating error, rather than warning.
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What is the best way to auto-generate INSERT statements for a SQL Server table?
...nd while testing, we will need a bunch of dummy data. I've added that data by using MS Access to dump excel files into the relevant tables.
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What makes JNI calls slow?
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First, it's worth noting that by "slow," we're talking about something that can take tens of nanoseconds. For trivial native methods, in 2010 I measured calls at an average 40 ns on my Windows desktop, and 11 ns on my Mac desktop. Unless you're making man...
TDD vs. Unit testing [closed]
...TDD, but they weren't creating any Unit Tests before...then start them off by creating Unit Tests after their code is written. Even Unit tests written after the code are better than no Unit Tests at all!
Once they're proficient at Unit Testing (and everything that comes with it), then you can work ...
strdup() - what does it do in C?
... However, functions starting with str and a lower case letter are reserved by the standard for future directions. From C11 7.1.3 Reserved identifiers:
Each header declares or defines all identifiers listed in its associated sub-clause, and *optionally declares or defines identifiers listed in it...
Format timedelta to string
... You don't need the str call there, it will be done automatically by print.
– Zitrax
Feb 14 '14 at 7:49
5
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Design Pattern for Undo Engine
...of all the commands that have been executed and you can roll them back one by one.
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What is Type-safe?
...s you up to a lot of errors that can be easily missed, and only identified by testing the running program. Personally, I prefer to have my compiler tell me if I made that mistake.
Now, back to C#...
C# supports a language feature called covariance, this basically means that you can substitute a ba...