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How to use Namespaces in Swift?
...nce is that Swift therefore is not namespaced in the slightest. In turning one of my apps from Objective-C to Swift, I created an embedded framework because it was so easy and cool to do. Importing the framework, however, imports all the Swift stuff in the framework - so presto, once again there is ...
How to sort List of objects by some property
...t to sort in a particular order, but might equally easily want a different one) it's better to implement Comparator<T>. This particular situation could go either way, to be honest... but I'd probably stick with the more flexible Comparator<T> option.
EDIT: Sample implementation:
publi...
convert a list of objects from one type to another using lambda expression
I have a foreach loop reading a list of objects of one type and producing a list of objects of a different type. I was told that a lambda expression can achieve the same result.
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PreparedStatement IN clause alternatives?
...supported for multiple values due to SQL injection attack security issues: One ? placeholder represents one value, rather than a list of values.
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Java Pass Method as Parameter
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@Mac - good! this one comes up again and again in languages without first-class methods as the de-facto way of simulating them, so it's worth remembering.
– Dan Vinton
Feb 2 '10 at 19:37
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How to use a class from one C# project with another C# project
...bute (more information here: msdn.microsoft.com/en-us/library/…). 3) If none of the above can be done - you will have to use reflection to instantinate and invoke class P1 from P2
– Nissim
Aug 24 '10 at 8:54
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Rename all files in directory from $filename_h to $filename_half?
...commands.
for file in *_h.png
do
mv "$file" "${file/_h.png/_half.png}"
done
Do not add #!/bin/sh
For those that need that one-liner:
for file in *.png; do mv "$file" "${file/_h.png/_half.png}"; done
share
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How to remove all the null elements inside a generic list in one go?
...o go; however, this is still a working answer, so I've left it here for anyone unable to use the newer syntax (for whatever reason).
– Mark Bell
Nov 4 '14 at 15:54
2
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Python name mangling
... touch this!" to your users, the usual way is to precede the variable with one underscore. This is just a convention, but people understand it and take double care when dealing with such stuff:
class Stack(object):
def __init__(self):
self._storage = [] # This is ok but pythonistas use...
How to import a Python class that is in a directory above?
... inherit from a class in a file that lies in a directory above the current one.
7 Answers
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