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Why do I want to avoid non-default constructors in fragments?

... parameter. For example: public static MyFragment newInstance(int title, String message) { MyFragment fragment = new MyFragment(); Bundle bundle = new Bundle(2); bundle.putInt(EXTRA_TITLE, title); bundle.putString(EXTRA_MESSAGE, message); fragment.setArguments(bundle); retu...
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Can Objective-C switch on NSString?

...stand, CardType cannot be equal to any enclosed @"" eg: [CardType isEqualToString:@"Three"] – Adromil Balais Jul 18 '17 at 7:53 add a comment  |  ...
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Adjust UILabel height to text

...ks for me. Updated for Swift 4.0 import UIKit func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{ let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitude)) label.numberOfLines = 0 label.lineBreakMode = NSLineBreakMode.byWordW...
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What are some (concrete) use-cases for metaclasses?

...Model): ... foo = Integer() ... >>> class B(A): ... bar = String() ... >>> B._fields {'foo': Integer('A.foo'), 'bar': String('B.bar')} Again, this can be done (without inheritance) with a class decorator: def model(cls): fields = {} for key, value in vars(cls).it...
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

...work, and make the constructor private? public BusinessClass { public string MyProperty { get; private set; } private BusinessClass() { } private BusinessClass(string myProperty) { MyProperty = myProperty; } public static BusinessClass CreateObject(string ...
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What's the need of array with zero elements?

...u would use it like this: struct bts_action *var = kmalloc(sizeof(*var) + extra, GFP_KERNEL); This used to be not standard and was considered a hack (as Aniket said), but it was standardized in C99. The standard format for it now is: struct bts_action { u16 type; u16 size; u8 data...
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Export and Import all MySQL databases at one time

... @jruzafa You can use -Bse "show databases" to avoid extra formatting output and thus you can remove | tr -d "| " | grep -v Database. In my export script this line is databases=`mysql -u $USER -p$PASSWORD -Bse "SHOW DATABASES;" – miquel No...
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Python division

... beginning from the first division, i.e. the leftmost one, we use floats. Extra 1: If you are trying to answer that to improve arithmetic evaluation, you should check this Extra 2: Please be careful of the following scenario: >>> a = float(1/2/3/4/5/4/3) >>> a 0.0 ...
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Among $_REQUEST, $_GET and $_POST which one is the fastest?

... $_GET retrieves variables from the querystring, or your URL.> $_POST retrieves variables from a POST method, such as (generally) forms. $_REQUEST is a merging of $_GET and $_POST where $_POST overrides $_GET. Good to use $_REQUEST on self refrential forms for va...
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Why should I care about lightweight vs. annotated tags?

... it in the continuous integration system and a couple of times the version string was not what I'd expect. – jjmontes May 10 '18 at 14:13 add a comment  |  ...