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How do I use $scope.$watch and $scope.$apply in AngularJS?

... cycle and $scope First and foremost, AngularJS defines a concept of a so-called digest cycle. This cycle can be considered as a loop, during which AngularJS checks if there are any changes to all the variables watched by all the $scopes. So if you have $scope.myVar defined in your controller and t...
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How to check if a service is running on Android?

...ce that it had started is also killed but the service's onDestroy() is not called. So the static variable cannot be updated in such a scenario resulting in inconsistent behaviour. – faizal Jul 10 '14 at 8:05 ...
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How can I scale an image in a CSS sprite

...nline-block; background: url('../img/icons/icons.png') no-repeat; width: 64px; height: 51px; overflow: hidden; zoom:0.5; -moz-transform:scale(0.5); -moz-transform-origin: 0 0; } .icon-huge{ zoom:1; -moz-transform:scale(1); -moz-transform-origin: 0 0; } .icon...
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jQuery if checkbox is checked

...and suggesting that the absolute fastest recommendation would be to add an ID – Tom Stickel Sep 15 '15 at 23:01 add a comment  |  ...
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javascript: recursive anonymous function?

...'s one of the weirdnesses). It's like "letrec" in Lisp. As for arguments.callee, that's disallowed in "strict" mode and generally is considered a bad thing, because it makes some optimizations hard. It's also much slower than one might expect. edit — If you want to have the effect of an "anony...
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What does java:comp/env/ do?

... the following structure for the "env" namespace. So the binding you did from spring or, for example, from a tomcat context descriptor go by default under java:comp/env/ For example, if your configuration is: <bean id="someId" class="org.springframework.jndi.JndiObjectFactoryBean"> &l...
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How to wait for async method to complete?

...shell, when I need to write data to the device, this is the code that gets called: 7 Answers ...
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When is finally run if you throw an exception from the catch block?

In the above block when is the finally block called? Before the throwing of e or is finally called and then catch? 7 Answer...
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Ways to circumvent the same-origin policy

...ers and whose body is text/plain, the request is sent with an extra header called Origin. The Origin header contains the origin (protocol, domain name, and port) of the requesting page so that the server can easily determine whether or not it should serve a response. An example Origin header might ...
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How do I assign an alias to a function name in C++?

... old_function<T>; Moreover, starting with C++11 you have a function called std::mem_fn that allows to alias member functions. See the following example: struct A { void f(int i) { std::cout << "Argument: " << i << '\n'; } }; A a; auto greet = std::mem_fn(&amp...