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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...
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...
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...
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...
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...
How to center align the ActionBar title in Android?
...ater().inflate(R.layout.actionbar_titletext_layout, null);
ActionBar.LayoutParams params = new ActionBar.LayoutParams(//Center the textview in the ActionBar !
ActionBar.LayoutParams.WRAP_CONTENT,
ActionBar.LayoutParams.MATCH_PARENT,
Gravity.CENTER);
TextView textviewTitle =...
Import PEM into Java Key Store
...
/**
* Create a KeyStore from standard PEM files
*
* @param privateKeyPem the private key PEM file
* @param certificatePem the certificate(s) PEM file
* @param the password to set to protect the private key
*/
public static KeyStore createKeyStore(File private...
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
...
Comment shortcut Android Studio
...ss Enter just above the method name (
It will create a block comment with parameter list and return type like this
/**
* @param userId
* @return
*/
public int getSubPlayerCountForUser(String userId){}
share
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...
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 ......