guarantee the order of a thread's execution, you could start seeing issues or minor bugs that give you the wrong values or crash your system altogether. These issues are, primarily, caused by race conditions which we'll be going, in more depth in Chapter 4, Synchronization Between Threads....
1. Notice that both the ids are same.assert id("some_string") == id("some" + "_" + "string") assert id("some_string") == id("some_string")2. True because it is invoked in script. Might be False in python shell or ipython...
threadingis the package that provides API to create and manage threads. Threads in Python are always non-deterministic and their scheduling is performed by the operating system. However, multi-threading might not be doing what you expect to be. ...
Initially PEP 484 was designed in such way that it would not introduce any changes to the core CPython interpreter. Now type hints and the typing module are extensively used by the community, so this restriction is removed. The PEP introduces two special methods __class_getitem__() and __...
In most world locations, there have been and will be times when local clocks are moved back. In those times, intervals are introduced in which local clocks show the same time twice in the same day. In these situations, the information displayed on a local clock (or stored in a Python da...
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Python 3 Python is available in two versions, which are different enough to trip up many new users. Python 2.x, the older “legacy” branch, was supported through 2020, long after it was planned to be retired. Python 3.x, the current and future incarnation of the language, has many ...
Chapter 6,Threads and Networking, explains how to extend the functionality of our Python GUI using threads, queues, and network connections. This will show us that our GUI is not limited at all to the local scope of our PC. Chapter 7,Storing Data in Our MySQL Database via Our GUI, show...
The Python community didn’t rest throughout August, even though it’s typically a month for vacations. As usual, there have been plenty of releases in the Python ecosystem. From CPython to CircuitPython, there are plenty of new features for you to start playing with. Read on for a select...
We all have wondered what is CC and BCC in Email. In this blog we are going to cover its meaning, How to use it, and example to help you understand.