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Is it possible to declare two variables of different types in a for loop?
...auto [vec, i32] = std::tuple{std::vector<int>{3, 4, 5}, std::int32_t{12}}
A specific application of this is iterating over a map, getting the key and value,
std::unordered_map<K, V> m = { /*...*/ };
for (auto& [key, value] : m) {
// ...
}
See a live example here
C++14: You...
Most efficient way to determine if a Lua table is empty (contains no entries)?
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answered Aug 10 '09 at 1:12
0x6adb0150x6adb015
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What is the most efficient string concatenation method in python?
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You may be interested in this: An optimization anecdote by Guido. Although it is worth rememb...
How to access session variables from any class in ASP.NET?
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edited Jul 23 '12 at 9:24
answered Mar 7 '09 at 10:10
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
... applications ..
To avoid this
injection in Rails 3, include the rails_12factor gem in your
application. (Heroku Ruby Support 2013-10-26)
The rails_12factor gem is also required in rails 4.
If this gem is not present in your application, you will receive a
warning while deploying, and ...
Synchronous request in Node.js
...e non-blocking / async.
– dvlsg
Nov 12 '14 at 18:22
4
the ES6 Promise API should effectively repl...
Set attributes from dictionary in python
...> 'y']) required so much cruft in Python
– Someguy123
Feb 6 '16 at 17:12
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Why doesn't Python have a sign function?
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12 Answers
12
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What is the __DynamicallyInvokable attribute for?
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answered Sep 23 '12 at 11:44
Hans PassantHans Passant
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Override setter with arc
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edited Jan 6 '12 at 8:00
Evan
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answere...