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Conventions for exceptions or error codes
...or codes and then switch on the result to see what error was thrown. Error ranges can be of help here, because if the only thing we are interested in is if we are in the presence of an error or not, it is simpler to check (e.g., an HRESULT error code greater or equal to 0 is success and less than ze...
What is an idiomatic way of representing enums in Go?
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Go has no concept of numeric subrange types, like e.g. Pascal's has, so Ord(Base) is not limited to 0..3 but has the same limits as its underlying numeric type. It's a language design choice, compromise between safety and performance. Consider "safe" run ti...
Swift native base class or NSObject
...quired . . in fact there was no formal AOP framework for Objc, because the raw materials were so good.
– Jasper Blues
Jun 5 '14 at 10:26
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How can I replace a newline (\n) using sed?
...retrieve the lines from the hold space
with x, g, or G; or (3) use address ranges (see section 3.3, above)
to match lines between two specified addresses.
Choices (1) and (2) will put an \n into the pattern space, where it
can be addressed as desired ('s/ABC\nXYZ/alphabet/g'). One example
of using '...
How to move certain commits to be based on another branch in git?
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The simplest thing you can do is cherry picking a range. It does the same as the rebase --onto but is easier for the eyes :)
git cherry-pick quickfix1..quickfix2
share
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i...
What database does Google use?
...riented and column-oriented databases.
designed to scale into the petabyte range
it works across hundreds or thousands of machines
it is easy to add more machines to the system and automatically start taking advantage of those resources without any reconfiguration
each table has multiple dimensions ...
What is monkey patching?
...= just_foo_cols # monkey-patch the DataFrame class
df = pd.DataFrame([list(range(4))], columns=["A","foo","foozball","bar"])
df.just_foo_cols()
del pd.DataFrame.just_foo_cols # you can also remove the new method
To break this down, first we import our module:
import pandas as pd
Next we create ...
How do I get the opposite (negation) of a Boolean in Python?
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Also, int in range (....) is inefficient. It will create a list and then perform a linear search. Better than x in range(low, high) is low <= x < high.
– MRAB
Aug 11 '11 at 19:24
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Returning first x items from array
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A more object oriented way would be to provide a range to the #[] method. For instance:
Say you want the first 3 items from an array.
numbers = [1,2,3,4,5,6]
numbers[0..2] # => [1,2,3]
Say you want the first x items from an array.
numbers[0..x-1]
The great thing a...
What is SaaS, PaaS and IaaS? With examples
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@AzfarNiaz, Google Computer Engine doesn't really provide raw hardware right?
– Pacerier
May 14 '14 at 18:51
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