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Why is Scala's immutable Set not covariant in its type?
... worth losing the use of that covariant type?
– oxbow_lakes
Mar 24 '09 at 22:00
23
The type signa...
MySQL Cannot drop index needed in a foreign key constraint
... a SO Question on the topic).
ALTER TABLE mytable DROP FOREIGN KEY mytable_ibfk_1 ;
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What are five things you hate about your favorite language? [closed]
... and so hideously wrong I have never used it (see http://www.php.net/create_function).
3) A try/catch system which can only catch about 80% of errors that might occur.
4) Regex support just as lame as lambda support because it has to be written inside regular strings, making one of the most hard-t...
AngularJS - Trigger when radio button is selected
...pe="radio" ng-model="value" value="three"/>
The javascript file:
var _value = null;
Object.defineProperty($scope, 'value', {
get: function () {
return _value;
},
set: function (value) {
_value = value;
someFunction();
}
});
see this plunker for the implementation...
Cartesian product of multiple arrays in JavaScript
...tps://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/rest_parameters
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Spread_operator
The new methods from the Update 2020 example was added in ES2019:
http://www.ecma-international.org/ecma-262/10.0/
https:/...
Cast a Double Variable to Decimal
... No because it will throw an OverflowException double vol_y = (double)Decimal.MaxValue + 10E+28D; Console.WriteLine("Convert.ToDecimal(vol_y) = " + Convert.ToDecimal(vol_y));
– ToXinE
Dec 1 '14 at 15:23
...
Create an array with same element repeated multiple times
..., 5, 5, 5, 5, 5]
>>> //Or in ES6
>>> [...Array(10)].map((_, i) => 5)
[5, 5, 5, 5, 5, 5, 5, 5, 5, 5]
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Global access to Rake DSL methods is deprecated
...
Adding include Rake::DSL to the Rakefile before the applications load_tasks were called also worked for me.
So in the above user's case before the DemoApp::Application.load_tasks in the Rakefile.
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Converting datetime.date to UTC timestamp in Python
...ase on the given platform. You could use pytz module (e.g., via tzlocal.get_localzone()) to get access to the tz database on all platforms. Also, utcfromtimestamp() may fail and mktime() may return non-POSIX timestamp if "right" timezone is used.
To convert datetime.date object that represents da...
Optimize Font Awesome for only used classes
...m/FortAwesome/Font-Awesome/blob/master/sass/font-awesome.sass to make it _font-awesome.sass so I can @import in my Sass project. I am also using http://middlemanapp.com/ to convert Sass to Css . Questions:
...