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How to convert list of tuples to multiple lists?
Suppose I have a list of tuples and I want to convert to multiple lists.
7 Answers
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C# Convert List to Dictionary
...ts you pick the key, the second one picks the value.
You can play with it and make values differ from the keys, like this:
var res = list.ToDictionary(x => x, x => string.Format("Val: {0}", x));
If your list contains duplicates, add Distinct() like this:
var res = list.Distinct().ToDictio...
Does constexpr imply inline?
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Yes ([dcl.constexpr], §7.1.5/2 in the C++11 standard): "constexpr functions and constexpr constructors are implicitly inline (7.1.2)."
Note, however, that the inline specifier really has very little (if any) effect upon whether a compiler is likely to expand a function...
Best way to create enum of strings?
... as the constructor is private. Essentially, object creation is prohibited and final is not really necessary in this case.
– Buhake Sindi
Apr 15 '13 at 14:46
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How do I git rebase the first commit?
...ate a fresh repo, then made three commits. Now I want to rebase to go back and amend my first commit, but if I do git rebase -i HEAD~3 it complains! If I try the same with HEAD~2 then it kinda works but only lets me rearrange the last two commits.
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jQuery: Get selected element tag name
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tagName is part of the DOM spec and is always capitalized.
– tilleryj
Sep 5 '13 at 20:28
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AngularJS toggle class using ng-class
... @Stewie Faaakin gorgeous mate, love how it looks like real code and not some bastardized expression markup :D
– mattdlockyer
Jan 21 '14 at 17:33
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Mapping enum to string in hibernate
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You can even go further and, now as JPA 2.1 is released, use @Converter(autoApply = true) public class CategoryTypeConverter implements javax.persistence.AttributeConverter <CategoryType, String>
– membersound
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Increment a database field by 1
...say logins, how would I go about updating that field by 1 within a sql command?
5 Answers
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In Java 8 how do I transform a Map to another Map using a lambda?
I've just started looking at Java 8 and to try out lambdas I thought I'd try to rewrite a very simple thing I wrote recently. I need to turn a Map of String to Column into another Map of String to Column where the Column in the new Map is a defensive copy of the Column in the first Map. Column has...