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C# LINQ find duplicates in List
...Element and Counter, to retrieve the information you need.
And lastly, if it's a dictionary you are looking for, you can use
var query = lst.GroupBy(x => x)
.Where(g => g.Count() > 1)
.ToDictionary(x => x.Key, y => y.Count());
This will return a diction...
How does Stack Overflow generate its SEO-friendly URLs?
...d complete regular expression or some other process that would take the title:
21 Answers
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Intellij reformat on file save
I remember seeing in either IntelliJ or Eclipse the setting to reformat (cleanup) files whenever they are saved. How do I find it (didn't find it in the settings)
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twitter bootstrap navbar fixed top overlapping site
I am using bootstrap on my site and am having issues with the navbar fixed top. When I am just using the regular navbar, everything is fine. However, when i try to switch it to navbar fixed top, all the other content on the site shifts up like the navbar isn't there and the navbar overlaps it. here'...
Get OS-level system information
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You can get some limited memory information from the Runtime class. It really isn't exactly what you are looking for, but I thought I would provide it for the sake of completeness. Here is a small example. Edit: You can also get disk usage infor...
How to create a Menubar application for Mac
EDIT: This is a nice ready-made menubar application here ( github source ) by this answer .
6 Answers
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Format timedelta to string
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You can just convert the timedelta to a string with str(). Here's an example:
import datetime
start = datetime.datetime(2009,2,10,14,00)
end = datetime.datetime(2009,2,10,16,00)
delta = end-start
print(str(delta))
# prints 2:00:00
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Perform .join on value in array of objects
... array of strings, I can use the .join() method to get a single string, with each element separated by commas, like so:
1...
javax vs java package
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I think it's a historical thing - if a package is introduced as an addition to an existing JRE, it comes in as javax. If it's first introduced as part of a JRE (like NIO was, I believe) then it comes in as java. Not sure why the new ...
How to turn on (literally) ALL of GCC's warnings?
I would like to enable -- literally -- ALL of the warnings that GCC has. (You'd think it would be easy...)
7 Answers
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