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Memory footprint of Haskell data types
... required to store a value of some data type in Haskell (mostly with GHC)? Is it possible to evaluate it at runtime (e.g. in GHCi) or is it possible to estimate memory requirements of a compound data type from its components?
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Is it considered bad practice to perform HTTP POST without entity body?
...o use POST /uri without a body to trigger the process. I want to know if this is considered bad from both HTTP and REST perspectives?
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What are the best practices for JavaScript error handling?
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An immensely interesting set of slides on Enterprise JavaScript Error Handling can be found at http://www.devhands.com/2008/10/javascript-error-handling-and-general-best-practices/
In short it summarizes:
Assume your code will fail
Log errors to the server
You, not the b...
How do you iterate through every file/directory recursively in standard C++?
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In standard C++, technically there is no way to do this since standard C++ has no conception of directories. If you want to expand your net a little bit, you might like to look at using Boost.FileSystem. This has been accepted for inclusion in TR2, so this giv...
How to download HTTP directory with all files and sub-directories as they appear on the online files
There is an online HTTP directory that I have access to. I have tried to download all sub-directories and files via wget . But, the problem is that when wget downloads sub-directories it downloads the index.html file which contains the list of files in that directory without downloading the fil...
How to encode a URL in Swift [duplicate]
This is my URL .
13 Answers
13
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How to make a Java class that implements one interface with two generic types?
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edited Feb 10 '18 at 1:11
Sergey Brunov
11.4k77 go...
Intelligent point label placement in R
1) Is there any R library/function which would implement INTELLIGENT label placement in R plot? I tried some but they are all problematic - many labels are overlaping either each other or other points (or other objects in the plot, but I see that this is much harder to handle).
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How to get the ASCII value of a character
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'a'
>>> chr(ord('a') + 3)
'd'
>>>
In Python 2, there is also the unichr function, returning the Unicode character whose ordinal is the unichr argument:
>>> unichr(97)
u'a'
>>> unichr(1234)
u'\u04d2'
In Python 3 you can use chr instead of unichr.
ord() - ...
How can I return two values from a function in Python?
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You cannot return two values, but you can return a tuple or a list and unpack it after the call:
def select_choice():
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return i, card # or [i, card]
my_i, my_card = select_choice()
On line return i, card i, card means creating a tuple. You can also use parenthesis like re...