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Why does `a == b or c or d` always evaluate to True?
...r is more literal minded.
if name == "Kevin" or "Jon" or "Inbar":
is logically equivalent to:
if (name == "Kevin") or ("Jon") or ("Inbar"):
Which, for user Bob, is equivalent to:
if (False) or ("Jon") or ("Inbar"):
The or operator chooses the first argument with a positive truth value:
if ("Jon")...
How to add “active” class to Html.ActionLink in ASP.NET MVC
...ges, it would be smart to have a way to apply that selected class automatically based on the current page rather than copy the menu multiple times and do it manually.
The easiest way is to simply use the values contained in ViewContext.RouteData, namely the Action and Controller values. We could b...
ASP.NET MVC: Is Controller created for every request?
...ther controller.
The short version is that ControllerActivator.Create is called (for every request) to create a Controller (which inits a new Controller either through the DependencyResolver or through the Activator if no Resolver has been set up):
public IController Create(RequestContext requestC...
NullPointerException in Java with no StackTrace
...a NullPointerException , but when I try to log the StackTrace (which basically ends up calling Throwable.printStackTrace() ), all I get is:
...
Read/Write String from/to a File in Android
... I think, closing streams should be in the final block as in @SharkAlley answer
– Yurii K
Jul 29 '15 at 14:41
4
...
Watch multiple $scope attributes
...bject in scope.
$scope.$watchGroup(
[function () { return _this.$scope.ViewModel.Monitor1Scale; },
function () { return _this.$scope.ViewModel.Monitor2Scale; }],
function (newVal, oldVal, scope)
{
if (newVal != oldVal) {
...
“From View Controller” disappears using UIViewControllerContextTransitioning
... goes black. The key UIWindow is completely empty – no view hierarchy at all!
I played around a bit and it looks like there is an easy workaround, for simple cases. You can just re-add the toViewController's view as a subview of the key window's:
transitionContext.completeTransition(true)
UIAp...
How do I convert a Ruby class name to a underscore-delimited symbol?
...ow can I programmatically turn a class name, FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly?
...
AngularJS access scope from outside js function
... over it: github.com/angular/angular.js/wiki/When-to-use-$scope.$apply(). _If you are doing if (!$scope.$$phase) $scope.$apply() it's because you are not high enough in the call stack._
– scheffield
Sep 29 '14 at 14:44
...
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
...