大约有 40,000 项符合查询结果（耗时：0.0484秒） [XML]
PHP - Check if two arrays are equal
...
The above comment is false. If $b has all the elements $a has plus some extra ones, the two arrays are not equal yet the above code will say they are.
– Ghola
Sep 8 '14 at 12:14
...
How do I pass command-line arguments to a WinForms application?
...= "/lol"; args[3] = "nisp"; What could be easier?
– Callum Rogers
Jul 24 '09 at 19:22
cant believe i saw that 'string[...
LINQPad [extension] methods [closed]
...ed queries / samples (for an example, execute a search using Edit | Search All)
Highlight - wraps an object so that it will highlight in yellow when Dumped
HorizontalRun - lets you Dump a series of objects on the same line
LINQPad also provides the HyperLinq class. This has two purposes: the first...
What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
... of the $ like ${HOME} gives the value of HOME. Usage of the $ like $(echo foo) means run whatever is inside the parentheses in a subshell and return that as the value. In my example, you would get foo since echo will write foo to standard out
...
Javascript reduce on array of objects
...eration 2: a = 3, b = {x:2} returns NaN
A number literal 3 does not (typically) have a property called x so it's undefined and undefined + b.x returns NaN and NaN + <anything> is always NaN
Clarification: I prefer my method over the other top answer in this thread as I disagree with the ide...
What's the best way to refactor a method that has too many (6+) parameters?
Occasionally I come across methods with an uncomfortable number of parameters. More often than not, they seem to be constructors. It seems like there ought to be a better way, but I can't see what it is.
...
Why should I care that Java doesn't have reified generics?
...esn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could have achieved were they there.
...
Which is better, return value or out parameter?
...ery rare exception to this rule.)
Aside from anything else, it stops the caller from having to declare the variable separately:
int foo;
GetValue(out foo);
vs
int foo = GetValue();
Out values also prevent method chaining like this:
Console.WriteLine(GetValue().ToString("g"));
(Indeed, that...
How do I forward declare an inner class? [duplicate]
...want, but here is a workaround, if you are willing to use templates:
// Foo.h
struct Foo
{
export template<class T> void Read(T it);
};
// Foo.cpp
#include "Foo.h"
#include "Container.h"
/*
struct Container
{
struct Inner { };
};
*/
export template<>
void Foo::Read<...
Rails - link_to helper with data-* attribute [duplicate]
... in... Rails has a default :data hash
= link_to body, url, :data => { :foo => 'bar', :this => 'that' }
One gotcha - you must surround symbols with quotes if they include a dash:
:data => { :'foo-bar' => 'that' }
Update: In Rails 4, underscores are automatically converted to dash...