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Functional programming vs Object Oriented programming [closed]
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In Python, how do I determine if an object is iterable?
...wn objects iterable, always implement the __iter__ method.
for loops
In order to follow along, you need an understanding of what happens when you employ a for loop in Python. Feel free to skip right to the next section if you already know.
When you use for item in o for some iterable object o, P...
Does List guarantee insertion order?
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The List<> class does guarantee ordering - things will be retained in the list in the order you add them, including duplicates, unless you explicitly sort the list.
According to MSDN:
...List "Represents a strongly typed list of objects that can be
a...
z-index not working with fixed positioning
...side a stacking context and you will see that elements are stacked in this order
The stacking context’s root element (the <html> element in this case)
Positioned elements (and their children) with negative z-index values (higher values are stacked in front of lower values; elements ...
how to draw directed graphs using networkx in python?
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Encoding an image file with base64
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(Incidentally, answer order cannot be relied on here, so it is worth avoiding comments like "the first answer". The one that appears first may change over time.:-))
– halfer
Apr 26 '19 at 21:27
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XmlSerializer giving FileNotFoundException at constructor
...ms code generation nor does it perform compilation with the C# compiler in order to create a serializer assembly at runtime, unless explicitly forced to by setting a configuration file setting (useLegacySerializerGeneration). This change removes the dependency on csc.exe and improves startup perform...
Combining node.js and Python
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There are several ways to achieve this and here is the list in increasing order of complexity
Python Shell, you will write streams to the python console and it
will write back to you
Redis Pub Sub, you can have a channel
listening in Python while your node js publisher pushes data
Websocket...
Sorted collection in Java
...just for the purpose of having a sorted list. It is named (somewhat out of order with the other Sorted* interfaces) "java.util.PriorityQueue". It can sort either Comparable<?>s or using a Comparator.
The difference with a List sorted using Collections.sort(...) is that this will maintain a pa...
selecting unique values from a column
...se the DISTINCT operator in MySQL:
SELECT DISTINCT(Date) AS Date FROM buy ORDER BY Date DESC;
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