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URL: Username with @

... do I have to do this with all characters different than alphanumeric? for example, if my username is name.lastname@mail.com and my password abc!@#, should I use name%2Elastname%40mail%2Ecom and abc%21%40%23? – m4l490n ...
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How do you dismiss the keyboard when editing a UITextField

... the point. By subscribing to the DidEndOnExit event, you do not need to call resignFirstResponder. You can test this by putting a symbolic breakpoint on [UIResponder resignFirstResponder]. Note that even if if you don't call resignFirstResponder, it still gets called by the system. This is expl...
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How to check if any flags of a flag combination are set?

...d point... and enums also implement IFormattable and IComparable. However, all numeric types implement those interfaces too, so it's not enough to exclude them – Thomas Levesque Apr 20 '12 at 23:09 ...
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What's the difference between fill_parent and wrap_content?

... value: android:layout_width="100dp" android:layout_height="200dp" Generally that is not as good, though, because it is not as flexible for different sized devices. After you have understood wrap_content and match_parent, the next thing to learn is layout_weight. See also What does android:lay...
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Using LINQ to remove elements from a List

...the authors from the previous collection. Alternatively, you can use RemoveAll: authorsList.RemoveAll(x => x.FirstName == "Bob"); If you really need to do it based on another collection, I'd use a HashSet, RemoveAll and Contains: var setToRemove = new HashSet<Author>(authors); authorsLi...
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... <% %> - is for inline code (especially logic flow) <%$ %> - is for evaluating expressions (like resource variables) <%@ %> - is for Page directives, registering assemblies, importing namespaces, etc. <%= %> - is short-hand for Response.Write...
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Inner class within Interface

...ontrarily to the interface itself, which can't). Looking like this if I recall correctly. public interface A { static class B { public static boolean verifyState( A a ) { return (true if object implementing class A looks to be in a valid state) } } } Note that ...
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity

... You can extract all the information from the DbEntityValidationException with the following code (you need to add the namespaces: System.Data.Entity.Validation and System.Diagnostics to your using list): catch (DbEntityValidationException d...
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How to emulate GPS location in the Android Emulator?

...latitude, longitude and if needed altitude on the device that is passed to all programs using the gps location provider. See the link above for further instructions. The specific command to run in the console is geo fix <longitude value> <latitude value> I found this site useful for...
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Can I use break to exit multiple nested 'for' loops?

...latter, which you would fit into if you choose to use them well, use a so called "evil" concept when it is the lesser of (two) evils. Read this for a better understanding of some C++ concepts that you might need to use from time to time (macros, goto's, preprocessor, arrays): parashift.com/c++-faq-l...