In the above snippet, my_decorator is a function taking in an argument func. Inside the decorator function, we define another function wrapper which wraps the behavior we want to add before and after calling func. Then, it returns wrapper function. When we pass say_hello function to my_deco...
access to the port com1 is denied c# Access to the registry key 'HKEY_CLASSES_ROOT\name of the class' is denied. access variable from another function Access Variables in Different Projects in a Solution Accessibility of parent's class fields from child class Accessing a dictionary from another...
Gradle is a flexible build automation tool for Java. In this blog, you will learn about its useful commands and features, and why it's better than Maven.
Here's a fun project attempting to explain what exactly is happening under the hood for some counter-intuitive snippets and lesser-known features in Python.While some of the examples you see below may not be WTFs in the truest sense, but they'll reveal some of the interesting parts of ...
One of the great things about Python in Excel is how seamlessly you can make use of data contained in the grid. We have added support for creating Excel references within the ‘xl’ function. After typing, “xl(' ')” you can select your data from the grid, just like you would with...
Hi is there a way to provide multiple categories for the indexing in groupby? The formula says row_fields, so assuming it was built to allow access to more than one category. In Python you would just do something like this df.groupbu(['Category','Year])[['Sales']].sum(...
Some functions likecall_user_func()orusort()accept user-defined callback functions as a parameter. Callback functions can not only be simple functions, but alsoobjectmethods, including static class methods. Passing A PHP function is passed by its name as astring. Any built-in or user-defined...
if something is true then execute this piece of code otherwise do something else - this kind of “if-else” construction would usually require the use of parentheses along with other symbols like “>” and “<” operators. another common application involves function calls in some programming ...
What is a Heap? Queues are efficient in Python because they are implemented as heaps. A heap is a special type of tree-based data structure. Trees are hierarchical data structures containing a parent node, which is called theroot. The root can have child nodes, and each child node can al...
PyQt5 doesnt have provision to define a class that is sub-classed from more than one Qt class. pyuic5utility (to generates Python code from Designer's XML file) does not support the --pyqt3-wrapper flag. pyrcc5does not support the -py2 and -py3 flags. The output of pyrcc5 is compa...