Python Tutorial
SQLite Custom Sort Order In Python Example
We can use the order by child clause to sort the query results in the SQL statement, but it can only sort the query results by the simple and fixed order. How about ordering the query results in a complex sort order? This article will tell you how to implement it in the SQLite database …
Python Defaultdict Example
The python defaultdict class is a subclass of dict class, it supports all the functions that dict class provides. But when you provide a key that does not exist in the python dict object, the dict object will return a KeyError. But the defaultdict object provides a default_factory attribute which is a python function and …
How To Make A Counter In Python
The python Counter class in the Collections package is a very useful tool class, which can automatically count the number of occurrences of each element in the container. The essence of Counter is a special python dictionary object, except that its keys are all the elements it contains, and its value records the number of occurrences …
How To Check If Python Is 32 Or 64-bit Windows
When you run a python program on Windows, you may want to know whether the Python version is 32-bit to 64-bit, because some issues may happen when you run the python program with the wrong python bit version. This article will tell you how to check whether you python is 32-bit or 64 bit after …
