大约有 34,900 项符合查询结果(耗时:0.0378秒) [XML]
cancelling queued performSelector:afterDelay calls
does anybody know if it is possible to cancel already queued selector events from the event stack or timer stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ?
...
javascript: pause setTimeout();
...
You could wrap window.setTimeout like this, which I think is similar to what you were suggesting in the question:
var Timer = function(callback, delay) {
var timerId, start, remaining = delay;
this.pause = function() {
window.clearTimeout(tim...
Add and Remove Views in Android Dynamically?
How do I add and remove views such as TextView s from Android app like on the original stock Android contacts screen where you press a small icon on the right side of a field and it adds or deletes a field which consists of a TextView and an editTextView (from what I can see).
...
How to change the type of a field?
...date on the data where the data has the correct type.
In this case, it looks like you're trying to change the $type from 1 (double) to 2 (string).
So simply load the document from the DB, perform the cast (new String(x)) and then save the document again.
If you need to do this programmatically an...
How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...rsion 1.1.x is available, read the release notes: https://www.nuget.org/packages/Microsoft.AspNet.Web.Optimization
The Microsoft.Web.Optimization package is now obsolete. With ASP.NET (MVC) 4 and higher you should install the Microsoft ASP.NET Web Optimization Framework:
Install the package fro...
Difficulty with ng-model, ng-repeat, and inputs
...havior: one doesn't update the model, and the other blurs the form on each keydown.
8 Answers
...
Test if string is a number in Ruby on Rails
...mber? string
true if Float(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, then you n...
Temporarily disable auto_now / auto_now_add
I have a model like this:
12 Answers
12
...
Basic HTTP authentication with Node and Express 4
It looks like implementing basic HTTP authentication with Express v3 was trivial:
9 Answers
...
Can I 'git commit' a file and ignore its content changes?
...ormation is stored in a file called devtargets.rb which is used in our rake build tasks. I don't want developers to clobber each other's devtargets file, though.
...