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C# LINQ find duplicates in List
...lve the problem is to group the elements based on their value, and then pick a representative of the group if there are more than one element in the group. In LINQ, this translates to:
var query = lst.GroupBy(x => x)
.Where(g => g.Count() > 1)
.Select(y => y....
Deleting a Google App Engine application
...> Settings --> Shut Down. This button is in the header and a bit tricky to spot. It looks like this:
As of AppEngine SDK 1.2.6 it's possible to delete apps completely. But beware, the app-id won't be usable again.
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Can I use a binary literal in C or C++?
I need to work with a binary number.
19 Answers
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Convert Long into Integer
...store a wider range than an Integer).
Java 8 has a helper method that checks for overflow (you get an exception in that case):
Integer i = theLong == null ? null : Math.toIntExact(theLong);
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Michael BerryMichael Berry
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Why is debugging better in an IDE? [closed]
...DE debugger will give you over trace messages in code:
View the call stack at any point in time, giving you a context for your current stack frame.
Step into libraries that you are not able to re-compile for the purposes of adding traces (assuming you have access to the debug symbols)
Change varia...
How to keep one variable constant with other one changing with row in excel
Lets say I have one cell A1, which I want to keep constant in a calculation. For example, I want to calculate a value like this:
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How can I increment a date by one day in Java?
I'm working with a date in this format: yyyy-mm-dd .
28 Answers
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Writing a dict to txt file and reading it back?
... write a dictionary to a txt file. Then read the dict values by typing the keys with raw_input . I feel like I am just missing one step but I have been looking for a while now.
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Does List guarantee insertion order?
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BevanBevan
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