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How to check if a file exists in the Documents directory in Swift?
...MAR Why that strange string interpolation? You could use absoluteString to convert NSURL to path but it would be better to just keep the path as a string (NSString) like you do in Swift 1.2.
– Sulthan
Apr 27 '16 at 17:48
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Get size of an Iterable in Java
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He says that he's not interested in the elements and doesn't care if they are removed though.
– aioobe
Jul 22 '12 at 9:13
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What .NET collection provides the fastest search
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@Brian: good point. I was assuming (baselessly) Record.Key was a builtin type of some kind.
– Jimmy
Jun 17 '09 at 19:59
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Ruby - test for array
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Instead of testing for an Array, just convert whatever you get into a one-level Array, so your code only needs to handle the one case.
t = [*something] # or...
t = Array(something) # or...
def f *x
...
end
Ruby has various ways to harmonize an API whic...
How do I parse JSON with Objective-C?
...il data raises an exception, and who
// knows how your third-party library intends to react?
if(NSClassFromString(@"NSJSONSerialization"))
{
NSError *error = nil;
id object = [NSJSONSerialization
JSONObjectWithData:returnedData
options:0
...
ASP.NET MVC Razor render without encoding
...refully... Just avoid allowing all text through. For example only preserve/convert specific character sequences and always encode the rest:
@Html.Raw(Html.Encode(myString).Replace("\n", "<br/>"))
Then you have peace of mind that you haven't created a potential security hole and any special/...
How to deep watch an array in angularjs?
... or ANOTHER_ARRAY
}, true);
example
To handle this situation, I usually convert the multiple arrays I want to watch into JSON:
$scope.$watch(function() {
return angular.toJson([$scope.columns, $scope.ANOTHER_ARRAY, ... ]);
},
function() {
// some value in some array has changed
}
example...
Postgres NOT in array
... it with coalesce(), e.g.
(some_value != ALL(coalesce(some_array, array[]::int[])))
Or
NOT (some_value = ANY(coalesce(some_array, array[]::int[])))
From the docs:
If the array expression yields a null array, the result of ANY will be null
If the array expression yields a null array, the result of...
Can I load a .NET assembly at runtime and instantiate a type knowing only the name?
...thod returns a boolean and accepts a single string parameter
bool rc = Convert.ToBoolean(mi.Invoke(moduleInstance.Unwrap(), new object[] { "MyParamValue" } ));
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Detecting an “invalid date” Date instance in JavaScript
...n Borgar's answer is unnecessary as isNaN() and isFinite() both implicitly convert to number.
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