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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
6
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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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MongoDB: How to update multiple documents with a single command?
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For Mongo version > 2.2, add a field multi and set it to true
db.Collection.update({query},
{$set: {field1: "f1", field2: "f2"}},
{multi: true })
share
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Get number days in a specified month using JavaScript? [duplicate]
Say I have the month as a number and a year.
4 Answers
4
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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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How can I represent an infinite number in Python?
...= float("inf")
In Python 3.5, you can do:
import math
test = math.inf
And then:
test > 1
test > 10000
test > x
Will always be true. Unless of course, as pointed out, x is also infinity or "nan" ("not a number").
Additionally (Python 2.x ONLY), in a comparison to Ellipsis, float(inf...
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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Lint: How to ignore “ is not translated in ” errors?
I can't compile/debug our Android app, because the localization files are not perfect yet.
13 Answers
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