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What do column flags mean in MySQL Workbench?
... the bytes in the values.)
UN - Unsigned (non-negative numbers only. so if the range is -500 to 500, instead its 0 - 1000, the range is the same but it starts at 0)
UQ - Create/remove Unique Key
ZF - Zero-Filled (if the length is 5 like INT(5) then every field is filled with 0’s to the 5th ...
How to stop Flask from initialising twice in Debug Mode? [duplicate]
...ely, you can check for the value of WERKZEUG_RUN_MAIN in the environment:
if os.environ.get("WERKZEUG_RUN_MAIN") == "true":
# The reloader has already run - do what you want to do here
However, the condition is a bit more convoluted when you want the behavior to happen any time except in the ...
What is the Python equivalent for a case/switch statement? [duplicate]
...alent switch block is invoked:
options[num]()
This begins to fall apart if you heavily depend on fall through.
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numpy matrix vector multiplication [duplicate]
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Other Solutions
Also know there are other options:
As noted below, if using python3.5+ the @ operator works as you'd expect:
>>> print(a @ b)
array([16, 6, 8])
If you want overkill, you can use numpy.einsum. The documentation will give you a flavor for how it works, but honestly,...
Swift: Determine iOS Screen size [duplicate]
I would like to use Swift code to properly position items in my app for no matter what the screen size is. For example, if I want a button to be 75% of the screen wide, I could do something like (screenWidth * .75) to be the width of the button. I have found that this could be determined in Object...
Reload an iframe with jQuery
I have two iframes on a page and one makes changes to the other but the other iframe doesn't show the change until I refresh. Is there an easy way to refresh this iframe with jQuery?
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
What is the difference between defining View Params like this:
2 Answers
2
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What is the syntax for “not equal” in SQLite?
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LINQ equivalent of foreach for IEnumerable
...e data structures. when using Seq.iter on these, the original Seq isn't modified; a new Seq with the side-effected elements is returned.
– Anders
Feb 9 '11 at 14:38
8
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counting number of directories in a specific directory
How to count the number of folders in a specific directory. I am using the following command, but it always provides an extra one.
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