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What is the !! (not not) operator in JavaScript?
...x booleans with new Boolean(). Here's an example to see the difference: jsfiddle.net/eekbu
– victorvartan
Feb 3 '13 at 12:24
5
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Turn off spell checking in Eclipse for good
... Thanks. This is what really annoys me with Eclipse. Somebody has decided what the default Preferences are and there is no way for us to change them. So we are left with this quite complicated maneuver every time we open up a new workspace.
– darius
Jun 1...
OAuth 2.0: Benefits and use cases — why?
...0 support two-legged authentication, where a server is assured of a user's identity, and three-legged authentication, where a server is assured by a content provider of the user's identity. Three-legged authentication is where authorization requests and access tokens come into play, and it's importa...
runOnUiThread in fragment
...
In Xamarin.Android
For Fragment:
this.Activity.RunOnUiThread(() => { yourtextbox.Text="Hello"; });
For Activity:
RunOnUiThread(() => { yourtextbox.Text="Hello"; });
Happy coding :-)
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AngularJS validation with no enclosing
Is it possible in Angular to validate a single, isolated <input> in a similar way the forms are validated? I'm thinking about something like this:
...
Maintain the aspect ratio of a div with CSS
I want to create a div that can change its width/height as the window's width changes.
27 Answers
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Rails: create on has_one association
...op.create(params[:shop])
@user.shop = @shop
Now here's why your version did not work:
You probably thought that this might work because if User had a has_many relation to Shop, @user.shops.create(params[:shop]) would work. However there is a big difference between has_many relations and has_one r...
Why would $_FILES be empty when uploading files to PHP?
.../form-data uploads.
Make sure your file input tag has a NAME attribute. An ID attribute is NOT sufficient! ID attributes are for use in the DOM, not for POST payloads.
Make sure you are not using Javascript to disable your <input type="file"> field on submission
Make sure you're not nesting fo...
how to fire event on file select
...ᴀʜᴍᴏᴏᴅ See comment just above yours.
– David Lopez
Dec 22 '17 at 14:01
3
The fact that...
Iterate through the fields of a struct in Go
...g Field(i) you can get a
interface value from it by calling Interface(). Said interface value then represents the
value of the field.
There is no function to convert the value of the field to a concrete type as there are,
as you may know, no generics in go. Thus, there is no function with the sign...