大约有 10,000 项符合查询结果（耗时：0.0168秒） [XML]
Why use the params keyword?
... allows you to call the method with a single argument.
private static int Foo(params int[] args) {
int retVal = 0;
Array.ForEach(args, (i) => retVal += i);
return retVal;
}
i.e. Foo(1); instead of Foo(new int[] { 1 });. Can be useful for shorthand in scenarios where you might need ...
What's the most appropriate HTTP status code for an “item not found” error page
...
What if I want to update foo object with id=1 and there is no foo in the database with this id?
– valijon
Nov 15 '18 at 10:03
1
...
What is getattr() exactly and how do I use it?
...ethod name.
For example, you cannot do this:
obj = MyObject()
for x in ['foo', 'bar']:
obj.x()
because x is not of the type builtin, but str. However, you CAN do this:
obj = MyObject()
for x in ['foo', 'bar']:
getattr(obj, x)()
It allows you to dynamically connect with objects based o...
What is the opposite of evt.preventDefault();
...
I would suggest the following pattern:
document.getElementById("foo").onsubmit = function(e) {
if (document.getElementById("test").value == "test") {
return true;
} else {
e.preventDefault();
}
}
<form id="foo">
<input id="test"/>
<input...
Best way to pretty print a hash
... null", ": nil").
gsub(/(^\s*)"([a-zA-Z][a-zA-Z\d_]*)":/, "\\1\\2:"). # "foo": 1 -> foo: 1
gsub(/(^\s*)(".*?"):/, "\\1\\2 =>") # "123": 1 -> "123" => 1
{
a: 1,
"2" => 3,
"3" => nil
}
share
...
Alternative to google finance api [closed]
I wanted to use Google Finance API to get stock data about the company but this API is deprecated since 2011/26/05.
5 Answe...
Does a method's signature in Java include its return type?
....
Since the question was edited to include this example:
public class Foo {
public int myMethod(int param) {}
public char myMethod(int param) {}
}
No, the compiler won't know the difference, as their signature: myMethod(int param) is the same. The second line:
public char myMeth...
Using bitwise OR 0 to floor a number
...and only an integer (as in the Elm source code @dwayne-crooks linked). And foo = foo | 0 could be used to coerce any value to an integer (where 32-bit numbers are truncated and all non-numbers become 0).
– David Michael Gregg
Jan 3 '18 at 11:31
...
JavaScript regex multiline flag doesn't work
...ipt 2018.
https://github.com/tc39/proposal-regexp-dotall-flag
const re = /foo.bar/s; // Or, `const re = new RegExp('foo.bar', 's');`.
re.test('foo\nbar');
// → true
re.dotAll
// → true
re.flags
// → 's'
share
...
Good ways to manage a changelog using git?
...l create a "change log" containing lots of entries like "Fixed spelling of fooMethod in ZModule" and "Refactor XModule to use new version of XYLibarary". Your users don't care about that. They want to know what changes were made from their perspective as users, not your perspective as a developer. A...