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Why would one use nested classes in C++?
... it at any time so you can not use it.
Look at std::list or std::map they all contain hidden classes (or do they?). The point is they may or may not, but because the implementation is private and hidden the builders of the STL were able to update the code without affecting how you used the code, or...
How can I color Python logging output?
...ication with colored output, presumably because of its log system (because all the messages were standardized).
30 Answers...
How to join strings in Elixir?
...your list size is arbitrary:
Enum.join(["StringA", "StringB"], " ")
... all of the solutions above will return
"StringA StringB"
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Why not inherit from List?
... What is the correct C# way of representing a data structure, which, "logically" (that is to say, "to the human mind") is just a list of things with a few bells and whistles?
Ask any ten non-computer-programmer people who are familiar with the existence of football to fill in the blank:
A foot...
Getting number of elements in an iterator in Python
...ve an answer, this answer avoids instantiation of a list, and it is empirically faster by a constant than the reduce method listed above.
– Phillip Nordwall
Aug 2 '12 at 15:27
5
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How do I shuffle an array in Swift?
...t:
sendable RNGs (that can reproduce a "random" sequence when needed for testing)
RNGs that sacrifice robustness for speed
RNGs that produce non-uniform distributions
...and still make use of the nice new "native" random APIs in Swift.
The rest of this answer concerns such RNGs and/or their use...
PHP Get name of current directory
... libs/common.php
That way when common.php is require'd in main.php, the call of require_once in common.php will correctly includes editor.php in images/editor.php instead of trying to look in current directory where main.php is run.
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Very simple log4j2 XML configuration file using Console and File appender
...a Maven project, you would put the log4j2.xml in src/main/resources or src/test/resources.
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C# Linq Group By on multiple columns [duplicate]
...chool = y.Key.School,
Children = y.ToList()
}
);
Test code:
foreach(var item in newList)
{
Console.WriteLine("School: {0} FavouriteColor: {1} Friend: {2}", item.School,item.FavoriteColor,item.Friend);
foreach(var child in item.Children)
{
Console.WriteL...
Extract value of attribute node via XPath
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With xqilla it was necessary to call xs:string. I wonder why.
– krlmlr
Jul 22 '13 at 20:00
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