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Remove multiple keys from Map in efficient way?
...set contains the strings you want to remove, you can use the keySet method and map.keySet().removeAll(keySet);.
keySet returns a Set view of the keys contained in this map. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa.
Contrived example:
Map<...
How to get the current user in ASP.NET MVC
...king in a class outside of a form you'll either need to Imports System.Web and further qualify with with HttpContext.Current.User.Identity.Name, or directly qualify using the full syntax: System.Web.HttpContext.Current.User.Identity.Name
– Paul
Sep 10 '14 at 14...
How can I get rid of an “unused variable” warning in Xcode?
I understand exactly why unused variable warnings occur. I don't want to suppress them in general, because they are incredibly useful in most cases. However, consider the following (contrived) code.
...
Using jQuery how to get click coordinates on the target element
I have the following event handler for my html element
6 Answers
6
...
How to trigger ngClick programmatically
...oad() {
$timeout(function() {
angular.element('#myselector').triggerHandler('click');
});
};
// Using Angular Extend
angular.extend($scope, {
clickOnUpload: clickOnUpload
});
// OR Using scope directly
$scope.clickOnUpload = clickOnUpload;
More info on Angular Extend way here.
If you ...
List goals/targets in GNU make that contain variables in their definition
...at gnu make can be convinced to spit out a list of targets after it has expanded these variables?
16 Answers
...
Best place to insert the Google Analytics code [duplicate]
...ws recorded at some small margin. It's a tradeoff. ga.js is heavily cached and present on a large percentage of sites across the web, so its often served from the cache, reducing latency to almost nil.
As a matter of personal preference, I like to include it in the <head>, but its really a m...
selecting unique values from a column
...ant the whole record, the DISTINCT is worthless (unless it is an id field, and you can do a second query where id IN that list). Good news, though, if you have multiple duplicate results as a result of a JOIN you can do a GROUP BY and get the full results filtered.
– Chadwick M...
How do I ignore the authenticity token for specific actions in Rails?
..._action :verify_authenticity_token, except: [:create, :update, :destroy]
And Rails 3:
skip_before_filter :verify_authenticity_token
For previous versions:
For individual actions, you can do:
protect_from_forgery :only => [:update, :destroy, :create]
#or
protect_from_forgery :except =>...
rreplace - How to replace the last occurrence of an expression in a string?
...500 characters), your solution was three times faster than Alex's solution and four times faster than Mark's solution. Thanks to all for your answers!
– Barthelemy
Mar 31 '10 at 20:44
...