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What is the meaning of “this” in Java?
...d is required. If i add the main method, then I have to call from there. And any attempt to call frobnicate() inside main says that you can't call a non-static reference from inside a static one. And removing static from main returns the error again that no main method i s found. Please explain.
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What exactly does += do in python?
... that simple. I also would appreciate links to definitions of other short hand tools in python.
14 Answers
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Can I apply the required attribute to fields in HTML5?
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Mandatory: Have the first value empty - required works on empty values
Prerequisites: correct html5 DOCTYPE and a named input field
<select name="somename" required>
<option value="">Please select</option&g...
How to for each the hashmap? [duplicate]
...lways come back to this same answer. Upvoted, because this is clean answer and this code is copy pasted to so many places in my projects, thanks!
– Katu
Jan 23 '15 at 10:53
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How do I create a right click context menu in Java Swing?
...g a right-click context menu by instantiating a new JMenu on right click and setting its location to that of the mouse's position... Is there a better way?
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java: run a function after a specific number of seconds
...avadoc says:
After the last live reference to a Timer object goes away and all outstanding tasks have completed execution, the timer's task execution thread terminates gracefully (and becomes subject to garbage collection). However, this can take arbitrarily long to occur.
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Color picker utility (color pipette) in Ubuntu [closed]
I'am looking for a color picker utility on Ubuntu/Debian.
Anything simple and easy to use.
2 Answers
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Change application's starting activity
I have created the meat and guts of my application but I want to add a different activity that will be the starting point (sort of a log-in screen).
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How to autosize a textarea using Prototype?
...ently working on an internal sales application for the company I work for, and I've got a form that allows the user to change the delivery address.
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How to make a valid Windows filename from an arbitrary string?
...gBuilder instead of a simple string; the original version will take longer and consume more memory.
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