大约有 15,000 项符合查询结果（耗时：0.0339秒） [XML]
What is the C++ function to raise a number to a power?
... I recommend to read my comment before adding a comment. ;-) I explained that it DOES give an ambiguity. (Compiler of VS2008)
– Marvin
May 3 '13 at 10:28
1
...
What's the opposite of chr() in Ruby?
...
If String#ord didn't exist in 1.9, it does in 2.0:
"A".ord #=> 65
share
|
improve this answer
|
follow
...
What are C++ functors and their uses?
...ate objects which "look like" a function:
// this is a functor
struct add_x {
add_x(int val) : x(val) {} // Constructor
int operator()(int y) const { return x + y; }
private:
int x;
};
// Now you can use it like this:
add_x add42(42); // create an instance of the functor class
int i = add4...
How exactly does tail recursion work?
... answered Mar 20 '13 at 9:11
Alexey FrunzeAlexey Frunze
56.8k99 gold badges6767 silver badges154154 bronze badges
...
Can you call Directory.GetFiles() with multiple filters?
... this will return all files in a string array and then filter that by the extensions you specify. That might not be a big issue if "C:\Path" doesn't have lot of files underneath it, but may be a memory/performance issue on "C:\" or something like that.
– Christian.K
...
Circular (or cyclic) imports in Python
...raightforward really. Just remember the following:
'import' and 'from xxx import yyy' are executable statements. They execute
when the running program reaches that line.
If a module is not in sys.modules, then an import creates the new module
entry in sys.modules and then executes the ...
Why does the C# compiler not fault code where a static method calls an instance method?
...'s new in C# 7.3, the section Improved overload candidates, item 1, it is explained how the overload resolution rules have changed so that non-static overloads are discarded early. So the below answer (and this entire question) has mostly only historical interest by now!
(Pre C# 7.3:)
For some r...
Variable name as a string in Javascript
...ly, yes - all properties of obj are printed as name: value pairs. But the explaining text could be more clear.
– Matt
Apr 20 '18 at 9:23
...
Force IE compatibility mode off using tags
...the "edge" mode.
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>My Web Page</title>
</head>
<body>
<p>Content goes here.</p>
</body>
</html>
From the linked MSDN page:
...
How to make grep only match if the entire line matches?
...
Simply specify the regexp anchors.
grep '^ABB\.log$' a.tmp
share
|
improve this answer
|
follow
|
...