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When do you use Java's @Override annotation and why?
... is why I find dynamic langs so wrong (though 100% of my paid work is in ruby right now).
– Dan Rosenstark
Jan 10 '10 at 18:14
4
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Adding additional data to select options using jQuery
... ...
});
});
// Plain old JavaScript
var sel = document.getElementById('select');
var selected = sel.options[sel.selectedIndex];
var extra = selected.getAttribute('data-foo');
See this as a working sample using jQuery here: http://jsfiddle.net/GsdCj/1/
See this as a working sample using p...
Is it OK to leave a channel open?
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String formatting in Python 3
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Class method decorator with self arguments?
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What does @synchronized() do as a singleton method in objective C?
...events multiple threads from entering any region of code that is protected by a @synchronized directive referring to the same object. The object passed to the @synchronized directive is the object that is used as the "lock." Two threads can be in the same protected region of code if a different obje...
Class type check in TypeScript
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Create Django model or update if exists
... create or update an object, the .save() method already has this behaviour by default, from the docs:
Django abstracts the need to use INSERT or UPDATE SQL statements.
Specifically, when you call save(), Django follows this algorithm:
If the object’s primary key attribute is set to a value that e...
Transparent ARGB hex value
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Transparency is controlled by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF hex) means fully opaque. Minimum value (0 dec, 00 hex) means fully transparent. Values in between are semi-transparent, i.e. the color is mixed with the backg...
Are PHP short tags acceptable to use?
...be supported on a server? MYSQL vs MYSQLI? You will waste your time little by little, again and again writing long tags just to avoid a tiny chance of spending a little time to change to a better host.
– Dean Or
Jun 28 '14 at 21:01
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