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How to distinguish mouse “click” and “drag”
...pt>
This is a direct clone of what @wong2 did in his answer, but converted to RxJs.
Also interesting use of sample. The sample operator will take the latest value from the source (the merge of mousedown and mousemove) and emit it when the inner observable (mouseup) emits.
...
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
...
C++ cout hex values?
...change all future output from cout to hex; so if you only want 'a' to be printed in hex you may want something like cout << hex << a << dec; to change it back.
– ShreevatsaR
Mar 9 '12 at 10:00
...
lexers vs parsers
...lexer recognizes a character sequence constituting a proper number, it can convert it to its binary value and store with the "number" token.
Similarly, when a parser recognize an expression, it can compute its value and store with the "expression" node of the syntax tree.
They all produce on their...
Ruby - test for array
...
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...
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...
What does principal end of an association means in 1:1 relationship in Entity framework
...n the two as a separate entity public class Organisation { public int Id { get; set; }} public class user { public int Id { get; set; }} public class UserGroup { [Key] public int Id { get; set; } [Required] public virtual Organisation Orga...
conditional unique constraint
I have a situation where i need to enforce a unique constraint on a set of columns, but only for one value of a column.
6 A...
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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