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Devise form within a different controller
...ror undefined local variable or method "resource" you describe from one of my controllers, because my controller base class was missing the following (Rails-API ActionController::API was at fault):
include ActionController::Helpers
Thus the helper methods from Devise could not be resolved in the ...
How does Chrome's “Request Desktop Site” option work?
... header in the request.
Here are the User-Agent headers sent by Chrome on my Android device:
Mozilla/5.0 (Linux; Android 4.0.4; Galaxy Nexus Build/IMM76K) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, li...
What is offsetHeight, clientHeight, scrollHeight?
...
my scrollHeight and clientHeight are both coming up as same despite the screen having more content and a scrollbar. Why?
– blankface
Mar 29 '18 at 3:24
...
Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
...; you cannot truncate a table which has an FK constraint on it.
Typically my process for this is:
Drop the constraints
Trunc the table
Recreate the constraints.
(All in a transaction, of course.)
Of course, this only applies if the child has already been truncated. Otherwise I go a different r...
Is there any way to close a StreamWriter without closing its BaseStream?
My root problem is that when using calls Dispose on a StreamWriter , it also disposes the BaseStream (same problem with Close ).
...
How do I move a single folder from one Subversion repository to another repository?
... This worked for me. I'm a windows user (Visual SVN Server) and my first command looked like this, if it helps anyone: "C:\Program Files (x86)\VisualSVN Server\bin\svnadmin" dump c:\Repositories\MyRepository > c:\Temp\MyReository.dump
– Chris
Mar ...
Why are Standard iterator ranges [begin, end) instead of [begin, end]?
...
@KrazyGlew: I didn't put types in my loop example deliberately. If you think of begin and end as ints with values 0 and N, respectively, it fits perfectly. Arguably, it's the != condition that's more natural than the traditional <, but we never discovered ...
Full Page
...ng <meta charset> if you don't have non-ASCII characters.
1. this is my favorite:
<!DOCTYPE html>
<meta charset=utf-8>
<title> Title-1 </title>
<meta name=viewport content="width=device-width">
<style>
html, body, iframe { height:100%; width:100%; margin:0;...
Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
I'm about to choose to way to organize my view (with spring-mvc, but that shouldn't matter much)
7 Answers
...
Constructors in JavaScript objects
...mulate private (both static and instance) members using closures. What new MyClass() will return is an object with only the properties assigned to the this object and in the prototype object of the "class."
var MyClass = (function () {
// private static
var nextId = 1;
// constructor
...