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Remove/hide a preference from the screen

...wo); } } public void onSharedPreferenceChanged(SharedPreferences prefs, String key) { if (key.equals("mySwitchPref")) { this.recreate(); } } The only downside that I can see with this, is there is a flash as the screen is recreated from scratch. ...
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Initial size for the ArrayList

... want to add the elements with index, you could instead use an array. String [] test = new String[length]; test[0] = "add"; share | improve this answer | follow ...
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String concatenation in MySQL

...ame FROM test.student As @eggyal pointed out in comments, you can enable string concatenation with the || operator in MySQL by setting the PIPES_AS_CONCAT SQL mode. share | improve this answer ...
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Applications are expected to have a root view controller at the end of application launch

... make sure self.window is initialized like self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; – Raptor Feb 13 '12 at 12:07 1 ...
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Creating and Update Laravel Eloquent

... There is and it's called firstOrNew / firstsOrCreate – malhal Aug 24 '14 at 11:59 ...
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How do I get python's pprint to return a string instead of printing?

... the documentation: Return the formatted representation of object as a string. indent, width and depth will be passed to the PrettyPrinter constructor as formatting parameters. Example: >>> import pprint >>> people = [ ... {"first": "Brian", "last": "Kernighan"}, .....
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Why use finally in C#?

...ad with db requests SqlConnection myConn = new SqlConnection("Connectionstring"); try { myConn.Open(); //make na DB Request } catch (Exception DBException) { //do somehting with exception } ...
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jquery - return value using ajax result on success

... * xResponse method is made to return jQuery ajax response * * @param {string} url [your url or file] * @param {object} your ajax param * @return {mix} [ajax response] */ $.extend({ xResponse: function(url, data) { // local var var theResponse = null; // j...
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Java using enum with switch statement

... a few usages of Java enum: .name() allows you to fetch the enum name in String. .ordinal() allow you to get the integer value, 0-based. You can attach other value parameters with each enum. and, of course, switch enabled. enum with value parameters: enum StateEnum { UNDEFINED_POLL ...
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Android 4.2: back stack behaviour with nested fragments

...ragmentManager() . When using getChildFragmentManager() and addToBackStack(String name), by pressing the back button the system does not run down the back stack to the previous fragment. On the other hand, when using getFragmentManager() and addToBackStack(String name), by pressing the back butto...