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How to make execution pause, sleep, wait for X seconds in R?
...do you pause an R script for a specified number of seconds or miliseconds? In many languages, there is a sleep function, but ?sleep references a data set. And ?pause and ?wait don't exist.
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Create a variable name with “paste” in R?
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Why was this so hard to find!
– lamecicle
Oct 30 '14 at 12:53
25
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Run two async tasks in parallel and collect results in .NET 4.5
I've been trying for a while to get something I thought would be simple working with .NET 4.5
6 Answers
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ViewDidAppear is not called when opening app from background
I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , vie...
How to Deal with Temporary NSManagedObject instances?
I need to create NSManagedObject instances, do some stuff with them and then trash them or store to sqlite db. The problem is, I cannot create instances of NSManagedObject unconnected to NSManagedObjectContext and this means I have to clear up somehow after I decide that I don't need some of ...
Two statements next to curly brace in an equation
... brace ( { ), and on the right-hand side next to the curly, two statements in two different lines?
5 Answers
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Get path from open file in Python
...ave an opened file, is there an os call to get the complete path as a string?
4 Answers
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How to sort mongodb with pymongo
I'm trying to use the sort feature when querying my mongoDB, but it is failing. The same query works in the MongoDB console but not here. Code is as follows:
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Failed binder transaction when putting an bitmap dynamically in a widget
Can anybody tell me the reason for failed binder transaction error? I can see this error message in logcat.
I am getting this error while trying to put an bitmap dynamically in a widget...
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PHP validation/regex for URL
I've been looking for a simple regex for URLs, does anybody have one handy that works well? I didn't find one with the zend framework validation classes and have seen several implementations.
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