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How do I view the type of a scala expression in IntelliJ
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Select expression and type Alt + =.
If you want to change the shortcut go to Preferences > Keymap and enter "Type Info" in the search field.
In older versions, it's Shift + Ctrl + Alt + T.
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Moq mock method with out specifying input parameter
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You can use It.IsAny<T>() to match any value:
mockInvoice.Setup(x => x.IsInFinancialYear(It.IsAny<FinancialYearLookup>())).Returns(true);
See the Matching Arguments section of the quick start.
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LINQ - Convert List to Dictionary with Value as List
... the following
List<MyObject> list = ...;
var map = list
.GroupBy(x => x.KeyedProperty)
.ToDictionary(x => x.Key, x => x.ToList());
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Why should hash functions use a prime number modulus?
...ought a data structures book off the bargain table for $1.25. In it, the explanation for a hashing function said that it should ultimately mod by a prime number because of "the nature of math".
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Getting vertical gridlines to appear in line plot in matplotlib
...ame from an sql query in python to generate a line plot with dates on the x-axis. I'm not sure why they do not appear on the dates and I have tried to search for an answer to this but couldn't find one.
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Git commit in terminal opens VIM, but can't get back to terminal
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To save your work and exit press Esc and then :wq (w for write and q for quit).
Alternatively, you could both save and exit by pressing Esc and then :x
To set another editor run export EDITOR=myFavoriteEdioron your terminal, where myFavoriteEdior...
How do browser cookie domains work?
...ge onto your questions, the following should apply:
Cookie with Domain=.example.com will be available for www.example.com
Cookie with Domain=.example.com will be available for example.com
Cookie with Domain=example.com will be converted to .example.com and thus will also be available for www.examp...
What's the difference between JavaScript and JScript?
...Just different names for what is really ECMAScript. John Resig has a good explanation.
Here's the full version breakdown:
IE 6-7 support JScript 5 (which is equivalent to ECMAScript 3, JavaScript 1.5)
IE 8 supports JScript 6 (which is equivalent to ECMAScript 3, JavaScript 1.5 - more bug fixes ov...
Try catch statements in C
I was thinking today about the try/catch blocks existent in another languages. Googled for a while this but with no result. From what I know, there is not such a thing as try/catch in C. However, is there a way to "simulate" them?
Sure, there is assert and other tricks but nothing like try/catch, ...
What's the difference between Ruby's dup and clone methods?
...great comment, but it led me on a wild goose chase to understand that syntax. this will help anyone else out there who might also be confused: devalot.com/articles/2008/09/ruby-singleton
– davidpm4
Mar 15 '16 at 6:24
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