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How to draw polygons on an HTML5 canvas?
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If (as in my case) you just want the starting point to be the middle top of the polygon rather than the middle right, flip the sin and cos calls and change Ycenter + to Ycenter - on both places (leaving it as a sum rather than a difference of the values results ...
Emacs on Mac OS X Leopard key bindings
...e up one paragraph
⌥ + ↓ - move down one paragraph
⌘ + ← - move to start of current line
⌘ + → - move to end of current line
Shift + any of the above extend selection by appropriate amount
Click then drag - select text
Double-click then drag - select text, wrapping to word ends
Triple...
Oracle: how to UPSERT (update or insert into a table?)
...ster - Oracle uses transactions, so guarantees the snapshot of data at the start of a transaction is consistent throughout the transaction save any changes made within it. Concurrent calls to the database uses the undo stack; so Oracle will manage the final state based on the order of when the concu...
Can you give a Django app a verbose name for use throughout the admin?
...uble with this in the admin. So much depends on the app_label that when I started changing the name, it broke that stuff.
– Joe J
Jan 26 '11 at 18:34
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Vim search and replace selected text
...her people mentioned, there are faster ways to do this, but if you've just started learning Vim (like me), this is one of the 'generic' ways.
//edit: I've just realized that the 'register' approach will fail if there are characters like tabs or newlines or / characters in the selection (I'd have to...
The Role Manager feature has not been enabled
...do this from code instead of web.config? I tried putting it in Application_Start and it says This method can only be called during the application's pre-start initialization phase.
– Maslow
May 8 '13 at 15:17
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Make body have 100% of the browser height
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Not sure why we need to start "adopting new practices" when the old practice works fine. There's no advantage to doing this: the code is not smaller, nor does it perform any better, and there are still browsers out there that don't support vw/vh.
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Comparison of C++ unit test frameworks [closed]
.../ Templates...
PS: I wrote an article about it that may help you getting started: C++ Unit Testing Framework: A Boost Test Tutorial
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WebAPI Multiple Put/Post parameters
...t goes to you :) I just happened to be reading your series on WebAPI while starting my own implementation when this question popped up.
– Colin Young
Jan 19 '13 at 21:24
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How can I determine installed SQL Server instances and their versions?
...-In in the Microsoft Management Console. To get the instance names, go to Start | Run | type Services.msc and look for all entries with "Sql Server (Instance Name)".
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