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Finding the source code for built-in Python functions?
Is there a way to see how built in functions work in python? I don't mean just how to use them, but also how were they built, what is the code behind sorted or enumerate etc...?
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How to iterate through SparseArray?
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Seems I found the solution. I hadn't properly noticed the keyAt(index) function.
So I'll go with something like this:
for(int i = 0; i < sparseArray.size(); i++) {
int key = sparseArray.keyAt(i);
// get the object by the key.
Object o...
javascript regex - look behind alternative?
Here is a regex that works fine in most regex implementations:
6 Answers
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Use of alloc init instead of new
...s (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
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When and why JPA entities should implement Serializable interface?
The question is in the title. Below I just described some of my thoughts and findings.
14 Answers
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Change name of iPhone app in Xcode 4
...e will mean that the App Bundle Identifier you registered with Apple Provisioning Portal will no longer work for that app. You will need to generate a new App ID and Provisioning Profile in order to distribute your app to a physical device.
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Open Facebook page from Android app?
...rying the same thing on my Android device throws an ActivityNotFoundException .
26 Answers
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default select option as blank
I have a very weird requirement, wherein I am required to have no option selected by default in drop down menu in HTML. However,
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How do you dismiss the keyboard when editing a UITextField
...n the user has pressed the "Done" key on the keyboard. Is there a notification I can watch for?
22 Answers
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iphone Core Data Unresolved error while saving
...roperty has been assigned nil. Either in your *.xcodatamodel check the "optional" box or when you are saving to the managedObjectContext make sure that your properties are filled in.
If you're getting further errors after changing your code to suit the two requirements try cleaning your build and ...