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Linq to Objects: does GroupBy preserve order of elements?
Does Enumerable.GroupBy from LINQ to Objects preserve order of elements in the groups?
1 Answer
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Using group by on multiple columns
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I would like to add that the order in which you group by the columns does not matter. In the above example group by Semester, Subject would have given the same result
– user2441441
Sep 29 '15 at 21:07
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How do I remove repeated elements from ArrayList?
...t);
yourList.clear();
yourList.addAll(set);
Of course, this destroys the ordering of the elements in the ArrayList.
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What does `node --harmony` do?
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It enables harmony modules in node js:
http://wiki.ecmascript.org/doku.php?id=harmony:modules
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How do I query for all dates greater than a certain date in SQL Server?
...in SQL Server Management Studio but not when sending the SQL statement via PHP/MSSQL.
– paperclip
Aug 30 '13 at 15:21
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Linq order by boolean
I've got a linq query that I want to order by f.bar, which is a string, but I also want to order it by f.foo, which is a boolean field, first. Like the query below.
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How to stop/terminate a python script from running?
... running things in parallel through the multiprocessing package.
Note: In order to use the sys.exit(), you must import it: import sys
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Ways to save enums in database
... Heart = 1,
Club = 3,
Diamond = 2,
Spade = 0 }
in order to maintain the legacy numerical values stored in the database.
How to sort them in the database
The question comes up: lets say i wanted to order the values. Some people may want to sort them by the enum's ordinal va...
How do you run a single test/spec file in RSpec?
...ou're using Rails you'll probably want to execute your specs using Rake in order to ensure you are starting from a blank database.
– superluminary
Oct 2 '13 at 11:54
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How can I change the EditText text without triggering the Text Watcher?
...d afterTextChanged(Editable s) {
//unregistering for event in order to prevent infinity loop
inputFileName.removeTextChangedListener(this);
//changing input's text
String regex = "[^a-z0-9A-Z\\s_\\-]";
String fileName = s.toString();
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