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Detect if a NumPy array contains at least one non-numeric value?
I need to write a function which will detect if the input contains at least one value which is non-numeric. If a non-numeric value is found I will raise an error (because the calculation should only return a numeric value). The number of dimensions of the input array is not known in advance - the fu...
How to sum a variable by group
I have a data frame with two columns. First column contains categories such as "First", "Second", "Third", and the second column has numbers that represent the number of times I saw the specific groups from "Category".
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Django - filtering on foreign key properties
I'm trying to filter a table in Django based on the value of a particular field of a ForeignKey .
3 Answers
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horizontal line and right way to code it in html, css
I need to draw a horizontal line after some block, and I have three ways to do it:
10 Answers
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Can I click a button programmatically for a predefined intent?
I need the button click of the intent ACTION_SEND.
Here there is no need of displaying UI.
Can I get the "Send" button click from the MMS-SMSProvider in Android?
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
I get following hibernate error. I am able to identify the function which causes the issue. Unfortunately there are several DB calls in the function. I am unable to find the line which causes the issue since hibernate flush the session at the end of the transaction. The below mentioned hibernate err...
Splitting a string into chunks of a certain size
Suppose I had a string:
36 Answers
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Set a persistent environment variable from cmd.exe
I have to set environment variables on different windows machines, but I don't want to be bothered changing them manually by getting on the properties screen of "My Computer"
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What does “javascript:void(0)” mean?
I've seen such href s many times, but I don't know what exactly that means.
14 Answers
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