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.NET - Dictionary locking vs. ConcurrentDictionary
... a can from a pyramid-can while a clerk is currently building the pyramid, all hell would break loose. Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-collection. There's plenty of ways to avoid problems, but they all re...
Difference between SurfaceView and View?
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Views are all drawn on the same GUI thread which is also used for all user interaction.
So if you need to update GUI rapidly or if the rendering takes too much time and affects user experience then use SurfaceView.
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
Ive got a bunch of rectangular objects which I need to pack into the smallest space possible (the dimensions of this space should be powers of two).
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What is a postback?
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When does it happen?
A postback originates from the client browser. Usually one of the controls on the page will be manipulated by the user (a button clicked or dropdown changed, etc), and this control will initiate a postback. The state of this control, plus all other controls on the page,(know...
How to get record created today by rails activerecord?
How should I write the conditional statement for when I want to get all the records which were created today?
10 Answers
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
Given the following examples, why is outerScopeVar undefined in all cases?
6 Answers
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Remove outline from select box in FF
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I found a solution, but it is mother of all hacks, hopefully it will serve as a starting point for other more robust solutions. The downside (too big in my opinion) is that any browser that doesn't support text-shadow but supports rgba (IE 9) won't render the text ...
How to unmount a busy device
...ared drives (from a SQL table) and mount them in a special directory where all users can access them.
11 Answers
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LINUX: Link all files from one to another directory [closed]
I want to link ( ln -s ) all files that are in /mnt/usr/lib/ into /usr/lib/
4 Answers
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What do the icons in Eclipse mean?
...good for SO to have the answer for future reference; I wondered about them all the time when I was new to Eclipse (this was before I discovered SO).
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