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How to get duplicate items from a list using LINQ? [duplicate]
...var duplicates = lst.GroupBy(s => s)
.SelectMany(grp => grp.Skip(1));
Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution given by Mark Byers.
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How do I terminate a thread in C++11?
...ommand. I am interested in terminating the thread forcefully using pure C++11.
5 Answers
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Rails 3 execute custom sql query without a model
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168
Maybe try this:
ActiveRecord::Base.establish_connection(...)
ActiveRecord::Base.connection.ex...
How to sort an array of objects by multiple fields?
...n(a, b) {
if (a == b) return 0;
return a < b ? -1 : 1;
},
getCmpFunc = function(primer, reverse) {
var dfc = default_cmp, // closer in scope
cmp = default_cmp;
if (primer) {
cmp = function(a, b) {
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How many concurrent requests does a single Flask process receive?
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186
When running the development server - which is what you get by running app.run(), you get a si...
What optimizations can GHC be expected to perform reliably?
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112
+150
This G...
Git clone without .git directory
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Use
git clone --depth=1 --branch=master git://someserver/somerepo dirformynewrepo
rm -rf ./dirformynewrepo/.git
The depth option will make sure to copy the least bit of history possible to get that repo.
The branch option is optional and if not...
Generate an integer that is not among four billion given ones
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Python 3 turn range to a list
I'm trying to make a list with numbers 1-1000 in it. Obviously this would be annoying to write/read, so I'm attempting to make a list with a range in it. In Python 2 it seems that:
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When I catch an exception, how do I get the type, file, and line number?
...s.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
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