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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
...full list: http://msdn.microsoft.com/en-us/library/6sh2ey19.aspx).
From a more specific standpoint, lazy loading comes in to play with choosing the type. By default, navigation properties in Entity Framework come with change tracking and are proxies. In order for the dynamic proxy to be created as ...
Multiple Type Constraints in Swift
...SomeProtocol & SomeOtherProtocol>(arg: T) {
// stuff
}
or the more powerful where clause:
func someFunc<T>(arg: T) where T:SomeProtocol, T:SomeOtherProtocol{
// stuff
}
You can of course use protocol composition (e.g., protocol<SomeProtocol, SomeOtherProtocol> ), but ...
PHP equivalent of .NET/Java's toString()
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You can use the casting operators:
$myText = (string)$myVar;
There are more details for string casting and conversion in the Strings section of the PHP manual, including special handling for booleans and nulls.
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not:first-child selector
... first solution: caniuse.com/#feat=css-not-sel-list The second one sounded more reasonable for me. Thanks!
– iorrah
Jun 22 '18 at 13:17
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How to make an AJAX call without jQuery?
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Cron jobs and random times, within given hours
...2,767, and there are 50,400 seconds between 9am and 11pm, it'd be a little more complicated to randomize the seconds as well. Finally, since the start times are random and independent of each other, it's possible (but not very likely) that two or more instances of the script will be started simulta...
Getting parts of a URL (Regex)
...The problem is this part: (.*)? Since the Kleene star already accepts 0 or more, the ? part (0 or 1) is confusing it. I fixed it by changing (.*)? to (.+)?. You could also just remove the ?
– rossipedia
Oct 25 '10 at 22:23
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How to unset a JavaScript variable?
... in the case of using var inside a function (though it may be get a little more complicated when you consider let) or in the case of "global" code the VariableEnvironment is attached to the global object (often window).
References in the VariableEnvironment are not normally deletable - the process d...
PHP validation/regex for URL
...railing period). I'm sure it could be cleaned up but since it worked. I've more or less just copied it over from project to project.
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