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How to remove new line characters from a string?
... I used Regex.Replace with the exact same regular expression string as the parameter, it worked. Thanks.
– instanceof
Jan 26 '16 at 8:57
9
...
How do I get the current absolute URL in Ruby on Rails?
...ApplicationController to return the current URL and allow merging in other parameters
# https://x.com/y/1?page=1
# + current_url( :page => 3 )
# = https://x.com/y/1?page=3
def current_url(overwrite={})
url_for :only_path => false, :params => params.merge(overwrite)
end
Example Usage...
How does JavaScript .prototype work?
...ns like:
Person.call(person, "George");
or
//apply is more useful when params count is not fixed
Person.apply(person, ["George"]);
getName.call(person);
getName.apply(person);
these 3 methods are the important initial steps to figure out the .prototype functionality.
2- How does the new...
How to understand nil vs. empty vs. blank in Ruby
...es where an attacker can use unprepared code that simply checks for unless params.nil? or unless params.blank?, and is the cause of much discussion and work currently in Rails. See here for more information: github.com/rails/rails/issues/13420
– Houen
Jul 30 '1...
Can we delete an SMS in Android before it reaches the inbox?
...
/**
* Check priority
* @param activity
*/
public static void receiverPriority(Activity activity){
Intent smsRecvIntent = new Intent("android.provider.Telephony.SMS_RECEIVED");
List<ResolveInfo> infos = activity.getPackageManager().q...
Get color value programmatically when it's a reference (theme)
...es multiple attributes and return an array of color integers. :)
/**
* @param context Pass the activity context, not the application context
* @param attrFields The attribute references to be resolved
* @return int array of color values
*/
@ColorInt
static int[] getColorsFromAttrs(Context c...
Rails detect if request was AJAX
..._request, only: [:action, :action_2]
def action
@model = Model.find(params[:id])
end
def action_2
# load resource(s)
end
private
def require_xhr_request
redirect_to(root_url) unless request.xhr?
end
end
...
Execute raw SQL using Doctrine 2
...color
$sql = "SELECT name FROM user WHERE favorite_color = :color";
//set parameters
//you may set as many parameters as you have on your query
$params['color'] = blue;
//create the prepared statement, by getting the doctrine connection
$stmt = $this->entityManager->getConnection()->pre...
Swift to Objective-C header not created in Xcode 6
...er in which swift files these classes sit.
No matter if "Defines Module" param is set to Yes or No or if "Product Module Name" Project is not set.
Reminder: Swift classes must deriving from NSObject or been tagged with @objc attribute in order to be exposed to ObjectiveC / Foundation || Cocoa ......
Get operating system info
...globals, merges both lists and detects the architecture (x32/x64)
/**
* @param $user_agent null
* @return string
*/
function getOS($user_agent = null)
{
if(!isset($user_agent) && isset($_SERVER['HTTP_USER_AGENT'])) {
$user_agent = $_SERVER['HTTP_USER_AGENT'];
}
// ht...