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Why does the C# compiler not fault code where a static method calls an instance method?
...7.3 (May 2018). In What's new in C# 7.3, the section Improved overload candidates, item 1, it is explained how the overload resolution rules have changed so that non-static overloads are discarded early. So the below answer (and this entire question) has mostly only historical interest by now!
(P...
what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
...
didnt this used to be :symbolize_keys ? why did that name change?
– Lukas
Sep 13 '12 at 15:56
5
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ASP.NET Web API Authentication
...ent application while using the ASP.NET Web API . I have watched all the videos on the site and also read this forum post .
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how to create a file name with the current date & time in python?
...at was wrong with the code in the question. Nothing against the way Levon did this, it works fine, but when you say "not work, I don't know why", it seems odd because you have answers that explain why.
– David Heffernan
May 15 '12 at 19:58
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Flask vs webapp2 for Google App Engine
I'm starting new Google App Engine application and currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it.
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Serializing an object as UTF-8 XML in .NET
...into a string again, so its no longer in UTF-8, but back in UTF-16 (though ideally its best to consider strings at a higher level than any encoding, except when forced to do so).
To get the actual UTF-8 octets you could use:
var serializer = new XmlSerializer(typeof(SomeSerializableObject));
var ...
Why does Dijkstra's algorithm use decrease-key?
...stra's beyond what's possible if you keep doing enqueues and dequeues.
Besides this point, some more advanced algorithms, such as Gabow's Shortest Paths Algorithm, use Dijkstra's algorithm as a subroutine and rely heavily on the decrease-key implementation. They use the fact that if you know the r...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...pecially since your data are already factored, you can use complete from "tidyr" to get what you might be looking for:
library(tidyr)
df %>%
group_by(b) %>%
summarise(count_a=length(a)) %>%
complete(b)
# Source: local data frame [3 x 2]
#
# b count_a
# (fctr) (int)
# 1 ...
Colspan all columns
...it's back down to a reasonable 1 second. bugzilla.mozilla.org/show_bug.cgi?id=675417
– InfinitiesLoop
Jun 4 '13 at 0:50
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Python - write() versus writelines() and concatenated strings
...e a string for a newline in write() but I can use it in writelines()?
The idea is the following: if you want to write a single string you can do this with write(). If you have a sequence of strings you can write them all using writelines().
write(arg) expects a string as argument and writes it to ...