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How to wait for a keypress in R?
...would work with any input (not just numbers) if what="" were added to the call to scan. getGraphicsEvent only works on specific graphics devices on certain platforms (but if you are using one of those devices it works fine).
– Greg Snow
Mar 7 '13 at 22:36
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How to save an HTML5 Canvas as an image on a server?
I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is:
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How to reshape data from long to wide format
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The reshape comments and similar argument names aren't all that helpful. However, I have found that for long to wide, you need to provide data = your data.frame, idvar = the variable that identifies your groups, v.names = the variables that will become multiple columns in wide f...
How to get function parameter names/values dynamically?
Is there a way to get the function parameter names of a function dynamically?
31 Answers
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Task continuation on UI thread
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Call the continuation with TaskScheduler.FromCurrentSynchronizationContext():
Task UITask= task.ContinueWith(() =>
{
this.TextBlock1.Text = "Complete";
}, TaskScheduler.FromCurrentSynchronizationContext()...
How do you read a file into a list in Python? [duplicate]
...each line might have. When the with ends, the file will be closed automatically for you. This is true even if an exception is raised inside of it.
2. use of list comprehension
This could be considered inefficient as the file descriptor might not be closed immediately. Could be a potential issue wh...
Get button click inside UITableViewCell
...ce Builder (IB) in step two. Just make sure your buttons tag is set. You really don't want to mix up your action calling. Either do it through IB or do it explicitly in your code.
– Sententia
Apr 29 '14 at 7:12
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Best way to merge two maps and sum the values of same key?
...mutable.Map[Int,Int] = Map(1 -> 109, 3 -> 300, 2 -> 20)
Specifically, the binary operator for Map[K, V] combines the keys of the maps, folding V's semigroup operator over any duplicate values. The standard semigroup for Int uses the addition operator, so you get the sum of values for eac...
Container View Controller Examples [closed]
...d an example implementation would be nice. Google has turned up nothing at all.
7 Answers
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Programmatically get the cache line size?
All platforms welcome, please specify the platform for your answer.
8 Answers
8
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