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Swift alert view with OK and Cancel: which button tapped?
I have an alert view in Xcode written in Swift and I'd like to determine which button the user selected (it is a confirmation dialog) to do nothing or to execute something.
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Prevent users from submitting a form by hitting Enter
I have a survey on a website, and there seems to be some issues with the users hitting enter (I don't know why) and accidentally submitting the survey (form) without clicking the submit button. Is there a way to prevent this?
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Backwards migration with Django South
Ok, so this seems like a really silly thing to ask, and I'm sure I'm missing something somewhere.
3 Answers
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Location of sqlite database on the device
...base programmatically with the default way of extending SQLiteOpenHelper and overriding onCreate() . This way the db gets created on the fly when needed.
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How to set iPhone UIView z index?
...o move one view on top of another, how can I know the z index of the view, and how to move on to top?
9 Answers
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Creating anonymous objects in php
... so there may be a few differences between anonymous classes in JavaScript and PHP.
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Is iterating ConcurrentHashMap values thread safe?
... obtain from a ConcurrentHashMap is designed to be used by a single thread and should not be passed around. This includes the syntactic sugar that the for-each loop provides.
What happens if I try to iterate the map with two threads at the same time?
It will work as expected if each of the thr...
python numpy machine epsilon
I am trying to understand what is machine epsilon. According to the Wikipedia, it can be calculated as follows:
3 Answers
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Custom Adapter for List View
...list view. Is there any article that can walk me through how to create one and also explain how it works?
13 Answers
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Iterating through directories with Python
I need to iterate through the subdirectories of a given directory and search for files. If I get a file I have to open it and change the content and replace it with my own lines.
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