大约有 12,100 项符合查询结果（耗时：0.0349秒） [XML]
Ruby custom error classes: inheritance of the message attribute
...lass MyCustomError < StandardError
attr_reader :object
def initialize(object)
@object = object
end
end
begin
raise MyCustomError.new("an object"), "a message"
rescue MyCustomError => e
puts e.message # => "a message"
puts e.object # => "an object"
end
I've replaced re...
What happens to a github student account's repositories at the end of 2 years?
...liard
12.7k44 gold badges4747 silver badges8585 bronze badges
answered Feb 6 '14 at 3:34
johndbrittonjohndbritton
2,48411 gold bad...
Conditional HTML Attributes using Razor MVC3
...
You didn't hear it from me, the PM for Razor, but in Razor 2 (Web Pages 2 and MVC 4) we'll have conditional attributes built into Razor(as of MVC 4 RC tested successfully), so you can just say things like this...
<input type="text" id="@strElementID" class="@str...
What is the Scala identifier “implicitly”?
...e method signature with the Context Bound, and call implicitly to materialize the value:
def foo[A: M] = {
val ma = implicitly[M[A]]
}
Passing a subset of implicit parameters explicitly
Suppose you are calling a method that pretty prints a person, using a type class based approach:
trait Sho...
Storing Image Data for offline web application (client-side storage database)
...G
5,4761010 gold badges5959 silver badges105105 bronze badges
add a comment
|
...
What is the scope of variables in JavaScript?
...ation in the source code. The interim period is known as the temporal dead zone.
function f() {
function g() {
console.log(x)
}
let x = 1
g()
}
f() // 1 because x is hoisted even though declared with `let`!
Function parameter names
Function parameter names are scope...
google oauth2 redirect_uri with several parameters
...m stored in state
parameter before calling Oauth url, the url after authorization will send the same parameters to your redirect uri as
state=THE_STATE_PARAMETERS
So for your case,do this:
/1. create a json string of your parameters ->
{ "a" : "b" , "c" : 1 }
/2. do a base64UrlEncode , to m...
Emacs mode for Stack Overflow's markdown
...(add-to-list 'auto-mode-alist '("stack\\(exchange\\|overflow\\)\\.com\\.[a-z0-9]+\\.txt" . markdown-mode))
Alternatively, if as-external-alist is defined—if M-x describe-variable RET as-external-alist doesn't fail—it will probably override your auto-mode-alist. It has a slightly different form...
Short description of the scoping rules?
...
90.1k1919 gold badges124124 silver badges230230 bronze badges
answered Nov 15 '08 at 12:47
Rizwan KassimRizwan Kassim
7,22422 gold...
How do I create a unique ID in Java? [duplicate]
...
953k341341 gold badges34183418 silver badges34043404 bronze badges
answered Sep 7 '09 at 14:51
aperkinsaperkins
11.7k44 gold badges2626...