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Remove rows with all or some NAs (missing values) in data.frame
... na.omit drops the rows but preserves the row numbers. How would you fix this so that it is properly numbered?
– Bear
Aug 29 '18 at 21:46
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Change default app.config at runtime
...d the first time. After that, it doesn't work any more.
The reason:
There exists a class ClientConfigPaths that caches the paths. So, even after changing the path with SetData, it is not re-read, because there already exist cached values. The solution is to remove these, too:
using System;
using Sy...
What's the point of 'const' in the Haskell Prelude?
...ful for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator >> can be defined in terms of the monadic bind operator as
x >> y = x >>= const y
It's somewhat neater than using a lambda
x >> y = x >>= ...
Git ignore file for Xcode projects
...les should I include in .gitignore when using Git in conjunction with Xcode ?
20 Answers
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What's the best way to send a signal to all members of a process group?
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Pythonic way to find maximum value and its index in a list?
If I want the maximum value in a list, I can just write max(List) , but what if I also need the index of the maximum value?
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...lication at work. In IE10 the requests work fine, but in Chrome all the AJAX requests (which there are many) are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and the service I'm making AJAX requests ...
Send a file via HTTP POST with C#
... from NuGet) there is an easier way to simulate form requests. Here is an example:
private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes)
{
HttpContent stringContent = new StringContent(paramString);
HttpConten...
Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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