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What's the point of const pointers?
...m not 100% sure about a const that you get passed in as a func var. thanks and sorry if this is off topic
– Tomer
Feb 4 '18 at 22:15
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How do I define a method which takes a lambda as a parameter in Java 8?
In Java 8, methods can be created as Lambda expressions and can be passed by reference (with a little work under the hood). There are plenty of examples online with lambdas being created and used with methods, but no examples of how to make a method taking a lambda as a parameter. What is the syntax...
What do people find difficult about C pointers? [closed]
...ve some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
29 Answers
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month name to month number and vice versa in python
I am trying to create a function that can convert a month number to an abbreviated month name or an abbreviated month name to a month number. I thought this might be a common question but I could not find it online.
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When should you use constexpr capability in C++11?
...hat can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number.
It basically provides a good aid to maintainability as it becomes more obvious what you are doing. Take max( a, b ) for example:
templat...
How to read the output from git diff?
The man page for git-diff is rather long, and explains many cases which don't seem to be necessary for a beginner. For example:
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated...
parseInt vs unary plus, when to use which?
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The unary + on the other hand will return NaN if the entire string is non-convertible to a number.
parseInt('2a',10) === 2; //true
parseFloat('2a') === 2; //true
isNaN(+'2a'); //true
As seen in the comment of @Alex K., parseInt and parseFloat will parse by character. This means ...
What do the python file extensions, .pyc .pyd .pyo stand for?
...mode, without a console; executed with pythonw.exe
.pyx - Cython src to be converted to C/C++
.pyd - Python script made as a Windows DLL
.pxd - Cython script which is equivalent to a C/C++ header
.pxi - MyPy stub
.pyi - Stub file (PEP 484)
.pyz - Python script archive (PEP 441); this is a script con...
What is the difference between Int and Integer?
In Haskell, what is the difference between an Int and an Integer ? Where is the answer documented?
6 Answers
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