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How to return value from an asynchronous callback function? [duplicate]
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This is impossible as you cannot return from an asynchronous call inside a synchronous method.
In this case you need to pass a callback to foo that will receive the return value
function foo(address, fn){
geocoder.geocode( { 'address': address}, function(result...
How to configure Ruby on Rails with no database?
...d for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database?
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How serious is this new ASP.NET security vulnerability and how can I workaround it?
...tionally add a random time sleep in the error page to prevent the attacker from timing the responses for added attack information.
In web.config
<configuration>
<location allowOverride="false">
<system.web>
<customErrors mode="On" defaultRedirect="~/error.html" />
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How to delete object from array inside foreach loop?
...; $value == 'searched_value'){
//delete this particular object from the $array
unset($array[$elementKey]);
}
}
}
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What are MVP and MVC and what is the difference?
...the Presenter contains the UI business logic for the View. All invocations from the View delegate directly to the Presenter. The Presenter is also decoupled directly from the View and talks to it through an interface. This is to allow mocking of the View in a unit test. One common attribute of MVP i...
What function is to replace a substring from a string in C?
... // first time through the loop, all the variable are set correctly
// from here on,
// tmp points to the end of the result string
// ins points to the next occurrence of rep in orig
// orig points to the remainder of orig after "end of rep"
while (count--) {
ins...
How to explain Katana and OWIN in simple words and uses?
... vNext, meaning that programming model will be pretty much the same. Quote from forum post made by David Fowler (Architect of ASP.NET vNext):
vNext is the successor to Katana (which is why they look so similar).
Katana was the beginning of the break away from System.Web and to more
modular c...
Simulate limited bandwidth from within Chrome?
Is there a way I can simulate various connection speeds from within Chrome?
13 Answers
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How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
...however, is to address the question, “How do I get an HttpContext object from HttpContextBase?”, literally. The illustrated technique is useful in those situations where you find yourself sandwiched between components you don't necessarily have the luxury to modify.
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What are the rules about using an underscore in a C++ identifier?
...ember variables, rather than local variables or parameters. If you've come from an MFC background, you'll probably use m_foo . I've also seen myFoo occasionally.
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