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Why use double indirection? or Why use pointers to pointers?
When should a double indirection be used in C? Can anyone explain with a example?
18 Answers
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Matplotlib scatterplot; colour as a function of a third variable
I want to make a scatterplot (using matplotlib) where the points are shaded according to a third variable. I've got very close with this:
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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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How to replace a single word under cursor?
How do I replace a word under the cursor in Vim.
5 Answers
5
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What does a tilde do when it precedes an expression?
I saw it in an answer, and I've never seen it before.
5 Answers
5
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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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Why not abstract fields?
Why can't Java classes have abstract fields like they can have abstract methods?
5 Answers
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Convert object to JSON in Android
Is there a simple method to convert any object to JSON in Android?
6 Answers
6
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Autoreload of modules in IPython [duplicate]
Is there a way to have IPython automatically reload all changed code? Either before each line is executed in the shell or failing that when it is specifically requested to. I'm doing a lot of exploratory programming using IPython and SciPy and it's quite a pain to have to manually reload each module...
Executing an EXE file using a PowerShell script
I'm trying to execute an EXE file using a PowerShell script. If I use the command line it works without a problem (first I supply the name of the executable and series of parameters to invoke it):
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