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How to get the input from the Tkinter Text Widget?
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#Creates an instance of the class tkinter.Tk.
#This creates what is called the "root" window. By conventon,
#the root window in Tkinter is usually called "root",
#but you are free to call it by any other name.
root = Tk()
root.title('how to get text from textbox')
#************************...
How does the NSAutoreleasePool autorelease pool work?
...aned up the next time GC runs, which could very well be directly after the call to -drain:
drain
In a garbage collected environment, triggers garbage collection if memory allocated since last collection is greater than the current threshold; otherwise behaves as release.
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In a garbag...
How to return a value from __init__ in Python?
...... return 42
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>>> foo = Foo()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: __init__() should return None
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How to add extension methods to Enums
...ame ambiguity of Enum<T> is a bit confusing. The class could also be called EnumUtils<T> and the method call would resolve to EnumUtils<Duration>.Count.
– Namoshek
Feb 27 '19 at 8:02
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Best practices/performance: mixing StringBuilder.append with String.concat
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Although newer versions of the compiler automatically optimize the + operator to a string builder it isn't necessarily a good thing to assume it will as older versions don't. There is a very important topic that is being ignored in this whole discussion which is actually ...
Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy
...er add Access-Control-Allow-Origin "*"
even better, as suggested by @david thomas, you can use a specific domain value, e.g.
Header add Access-Control-Allow-Origin "your-domain.com"
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What is monkey patching?
... database or web API, for example), and various other methods in the class call it. However, in a unit test, you don't want to depend on the external data source - so you dynamically replace the get_data method with a stub that returns some fixed data.
Because Python classes are mutable, and method...
How to get method parameter names?
...gspec(foo)
(['a', 'b', 'c'], 'arglist', 'keywords', (4,))
Note that some callables may not be introspectable in certain implementations of Python. For Example, in CPython, some built-in functions defined in C provide no metadata about their arguments. As a result, you will get a ValueError if you ...
Iterating through a list in reverse order in java
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Calling listIterator() without an index argument will give an Iterator at the beginning of the list and so hasPrevious() will return false on the first call.
– Adamski
Jan 20 '10 at 15:3...
Uncaught ReferenceError: $ is not defined?
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You are calling the ready function before the jQuery JavaScript is included. Reference jQuery first.
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