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Retrieving a random item from ArrayList [duplicate]
I'm learning Java and I'm having a problem with ArrayList and Random .
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How would I extract a single file (or changes to a file) from a git stash?
I'd like to know if it is possible to extract a single file or diff of a file from a git stash without popping the stash changeset off.
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Performing Breadth First Search recursively
...readth-first search of a binary tree recursively . How would you go about it?
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What is the point of function pointers?
I have trouble seeing the utility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer.
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How can I open multiple files using “with open” in Python?
I want to change a couple of files at one time, iff I can write to all of them. I'm wondering if I somehow can combine the multiple open calls with the with statement:
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Newline in string attribute
How can I add a line break to text when it is being set as an attribute i.e.:
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Setting action for back button in navigation controller
I'm trying to overwrite the default action of the back button in a navigation controller. I've provided a target an action on the custom button. The odd thing is when assigning it though the backbutton attribute it doesn't pay attention to them and it just pops the current view and goes back to the...
How can I limit possible inputs in a HTML5 “number” element?
... range. Instead he will be displayed a popup telling him to enter a value within this range upon submitting the form as shown in this screenshot:
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How to wait for async method to complete?
I'm writing a WinForms application that transfers data to a USB HID class device. My application uses the excellent Generic HID library v6.0 which can be found here . In a nutshell, when I need to write data to the device, this is the code that gets called:
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Overriding == operator. How to compare to null? [duplicate]
There is probably an easy answer to this...but it seems to be eluding me. Here is a simplified example:
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