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What's the function like sum() but for multiplication? product()?
Python's sum() function returns the sum of numbers in an iterable.
8 Answers
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Replacing blank values (white space) with NaN in pandas
I want to find all values in a Pandas dataframe that contain whitespace (any arbitrary amount) and replace those values with NaNs.
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Should I avoid 'async void' event handlers?
I know it is considered generally a bad idea to use fire-and-forget async void methods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which might be thrown inside such a method.
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Java Synchronized Block for .class
What does this java code mean? Will it gain lock on all objects of MyClass ?
4 Answers
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Change how fast “title” attribute's tooltip appears
Is there a way to change how fast the tooltip from an element's "title" attribute? I'd like it if the tooltip appeared immediately, but it seems to take a few seconds to apear.
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Force point (“.”) as decimal separator in java
I currently use the following code to print a double:
6 Answers
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How to stop an app on Heroku?
I have an app on Heroku which is being used by few users. However, I notice there are some data issues which i'd like to fix and stop the app in the mean time so users don't enter anything new.
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Getting number of elements in an iterator in Python
Is there an efficient way to know how many elements are in an iterator in Python, in general, without iterating through each and counting?
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How can I trigger an onchange event manually? [duplicate]
I'm setting a date-time textfield value via a calendar widget. Obviously, the calendar widget does something like this :
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