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How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
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Split a module across several files
...d the module. Add a mod math; in main.rs. If you don't do that, you get an error message from the compiler when importing like this:
error: unresolved import `math::Matrix`. Maybe a missing `extern crate math`?
The hint is misleading here. There's no need for additional crates, except of course y...
Scala list concatenation, ::: vs ++
Is there any difference between ::: and ++ for concatenating lists in Scala?
4 Answers
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Is the sizeof(some pointer) always equal to four?
...ntation .
– Gob00st
Nov 3 '12 at 23:05
5
@Eclipse yes there is: char <= short <= int <= ...
Why would anyone use set instead of unordered_set?
...r<int>> two(){
//unordered_set<vector<int>> s; // error vector<int> doesn't have hash function
unordered_set<vector<int>, VectorHash> s;
s.insert({1, 2});
s.insert({1, 3});
s.insert({1, 2});
for(const auto& vec:s)
cout<&...
RESTful Services - WSDL Equivalent
...hand-written docs and manually written APIs, which are labor intensive and error-prone.
– Eric Grange
Sep 27 '12 at 3:45
1
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
TypeScript with KnockoutJS
... your code and it helps you much with auto completion and perform type and error checking (much more than JavaScript). That is why we use definition files for code written in JavaScript so as to provide typescript type checking. Of course you could declare libs as "any", but this is not good.hope I ...
What is the difference between a strongly typed language and a statically typed language?
...e restrictions are violated, the violation is reported as a (dynamic) type error.
For example, Lua, a dynamically typed language, has a string type, a number type, and a Boolean type, among others. In Lua every value belongs to exactly one type, but this is not a requirement for all dynamically ...
Is std::vector copying the objects with a push_back?
...p was passed to the vector. See here: coliru.stacked-crooked.com/a/99d4f04f05e5c7f3
– Karl Nicoll
Dec 10 '19 at 10:18
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