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How can I use if/else in a dictionary comprehension?
...
and you want to create a new dictionary whose keys indicate whether the string 'a' is contained in the values or not, you can use
dout = {"a_in_values_of_{}".format(k) if 'a' in v else "a_not_in_values_of_{}".format(k): v for k, v in d.items()}
which yields
{'a_in_values_of_key1': {'a', 'b', ...
What's the standard way to work with dates and times in Scala? Should I use Java types or there are
...atted(DateTimeFormat.forPattern("yyyyMMdd")) - I get an error asking for a string argument.
– Ivan
Sep 2 '10 at 22:59
1
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Inserting HTML into a div
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Would help to see an example with a long string of Html inserted. For example, I have a case in which server technologies (php etc) are disallowed, and I want to re-use about 20 lines of html inside the same page.
– Jennifer Michelle
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Cancellation token in Task constructor: why?
...in the accepted answer by Max Galkin:
class Program
{
static void Main(string[] args)
{
Console.WriteLine("*********************************************************************");
Console.WriteLine("* Start canceled task, don't pass token to constructor");
Console.Wri...
C++11 range based loop: get item by value or reference to const
...;MyClass>, where MyClass has some non-trivial copy semantics (e.g. std::string, some complex custom class, etc.) then I'd suggest using const auto& to avoid deep-copies:
for (const auto & x : vec)
....
share...
Single script to run in both Windows batch and Linux Bash?
...er cmd code is to use heredocs so that sh treats the cmd code as an unused string and cmd interprets it. In this case, we make sure that our heredoc’s delimiter is both quoted (to stop sh from doing any sort of interpretation on its contents when running with sh) and starts with : so that cmd skip...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
... but not JavaScript.
System.Net.WebClient wc = new System.Net.WebClient();
string str = wc.DownloadString("http://mysite.microsoft.sample.xyz.com/api/mycall");
share
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improve this answer
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Meaning of Git checkout double dashes
...k-dot-see.
Git 2.5 looses the heuristic to declare that with a wildcard string the user likely meant to give us a pathspec.
git checkout 'a*'
# same as
git checkout -- 'a*'
See commit 28fcc0b (02 May 2015) by Duy Nguyen (nguyenlocduy).
(Merged by Junio C Hamano -- gitster -- in commit 949d167,...
Logging request/response messages when using HttpClient
...stAsJsonAsync extension internally creates an ObjectContent and when ReadAsStringAsync() is called in the LoggingHandler, it causes the formatter
inside ObjectContent to serialize the object and that's the reason you are seeing the content in json.
Logging handler:
public class LoggingHandler :...
Python : List of dict, if exists increment a dict value, if not append a new dict
...store the visited urls as a LIST?
If you sort it as a dict, indexed by url string, for example, it would be way cleaner:
urls = {'http://www.google.fr/': dict(url='http://www.google.fr/', nbr=1)}
for url in list_of_urls:
if url in urls:
urls[url]['nbr'] += 1
else:
urls[url]...