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presentViewController and displaying navigation bar

I have a view controller hierarchy and the top-most controller is displayed as a modal and would like to know how to display the navigation bar when using ...
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CSS Child vs Descendant selectors

... Just think of what the words "child" and "descendant" mean in English: My daughter is both my child and my descendant My granddaughter is not my child, but she is my descendant. share...
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Error message “No exports were found that match the constraint contract name”

This morning I faced a problem while opening my Visual Studio solution, and when I tried to run it, it said: 26 Answers ...
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How can my iphone app detect its own version number?

... is stored in the kRevisionNumber constant. I can then access the version and revision number using something similar to the following: [NSString stringWithFormat:@"Version %@ (%@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"], kRevisionNumber] which will create a st...
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How do I remove javascript validation from my eclipse project?

I am using eclipse on my project and while messing around with my eclipse settings, I turned on Javascript support. Now eclipse complains that JQuery library has errors in it and is not letting me compile the project. Does anyone know how to turn javascript validation off? ...
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gcc warning" 'will be initialized after'

... @Eloff In some cases (not recommendable), b and a initialisation might depend on each other. A naive user might try to alter the initialisation order to get some effect and the Warning would make it clear that it doesn't work. – Gorpik ...
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How to declare and add items to an array in Python?

...To initialize an empty dictionary use {} or dict() Dictionaries have keys and values my_dict = {'key':'value', 'another_key' : 0} To extend a dictionary with the contents of another dictionary you may use the update method my_dict.update({'third_key' : 1}) To remove a value from a dictionary ...
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Difference between array_push() and $array[] =

... as PHP has to look up the function reference, find its position in memory and execute whatever code it defines. Using $arr[] = 'some value'; does not require a function call, and implements the addition straight into the data structure. Thus, when adding a lot of data it is a lot quicker and resou...
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change text of button and disable button in iOS

How do you change the text of the button and disable a button in iOS? 8 Answers 8 ...
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How do I create a folder in a GitHub repository?

I want to create a folder in a GitHub repository and want to add files in that folder. How do I achieve this? 11 Answers ...