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#pythontip #python Yeni başlayanlar Python'da try...except yapısının aynı zamanda else ve finally bloklarına da sahip olduğunu kaçırabiliyorlar. Buradaki örnek, verilen fonksiyonu sonuç dönene kadar X kere deneyecek, detaylar açıklama satırlarında.
#PythonTip if you want to select k objects of a list in python you can use choices to select with replacement and sample to select without replacement
One of my favorite additions to #Python is the walrus operator. As with any other operators, the use of parenthesis is important. Check the different output both expressions generate. #PythonTip on new and helpful, options while programming.
#PythonTip of the day. If you want to limit the attributes a class can have, the simplest is to use slots. Plus, you can get some benefits in memory usage as well. More tomorrow...
💡🐍 Python is a popular language for connecting different data sources. Use a 𝙲𝚑𝚊𝚒𝚗𝙼𝚊𝚙 to get a singular value from a collection of different 𝚍𝚒𝚌𝚝s: #tweet100 #pythontip
#PythonTip of the day. If you add __dict__ to the list of slots of a class, you recover the dynamic creation of attributes that you would get without using slots. A silly example, but helps showing the inner mechanisms of classes with #Python
#PythonTip of the day. Slots in classes allow to define read-only attributes very quickly: create a class attribute that is not defined in the slots, a voilà.
#PythonTip. Dictionary views can be cast to other data types, such as a list. Once you do that, they are not dynamic anymore. Any change to the original dictionary won't be reflected. #Python has some very interesting subtleties.
#PythonTip of the day. If you subclass a class that defines slots, you can extend the list, but not override it. If the child class does not define its own slots, then it will get a __dict__ by default. #Python tricks. Tomorrow the end of the series.
Python Tip Set Difference update Get the unique element of each set and return a new set with these elements #python #pythontip #codeNewBies
A whole ETL pipeline was failing due to type value mismatch in one column in a dataset. Number with strings was put instead of just a number ,was not caught by google sheet. str.isdigit() to the rescue #pythontip #data
#PythonTip. When using the method keys() on a dictionary, it returns a dynamic object. If you delete a key on the original dict, the change will be reflected on the dictionary view. #Python variables can catch off guard many developers.
#PythonTip. The biggest impact of using slots is memory. The absence of a __dict__ and __weakref__ make the objects lighter. Check the difference when creating 1 million objects with and without slots! Final #Python trick for this week.
#pythontip of the day Ever use Panda's DataFrame.explode to transform list-like element into a row, replicating index values? Example:
🔥 #pythontip Just learned about pretty cool way I can write namedtuple with default value in #python 3.6.1
#PythonTip: Use #Python #Generator to optimize your Memory Input. For reference, we load a CSV File where we pit a Normal Object, which loads the CSV by reading it versus a Generator Object, to compare their size. Here we can save a lot of memory just by using - generators.
💡🐍 A list is a basic data type in Python. But what is a deque? Let's find out! 👇 #pythontip #tweet100
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