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Draw a perfect circle from user's touch
...l present my results first and then explain the simple and straightforward idea behind them.
You'll see in my implementation there is no need to analyze every single point and do complex computations. The idea is to spot some valuable meta information. I will use tangent as an example:
Let's ...
What are static factory methods?
...sually this method is inside a particular class.
The difference:
The key idea of static factory method is to gain control over object creation and delegate it from constructor to static method. The decision of object to be created is like in Abstract Factory made outside the method (in common case...
Entity Framework: table without primary key
...ll the same. Working around the EF's need to have a PK on tables is a bad idea from the standpoint of manageability, data integrity, and performance.
Some have commented that they do not have the ability to fix the underlying data model because they're mapping to a third-party application. That i...
What are the differences between Perl, Python, AWK and sed? [closed]
...re recent versions, it is computationally complete. It uses an interesting idea - the program is based on 'patterns matched' and 'actions taken when the pattern matches'. The patterns are fairly powerful (Extended Regular Expressions). The language for the actions is similar to C. One of the key fea...
How can I launch multiple instances of MonoDevelop on the Mac?
...t important project open in "MonoDevelop", use "MonoDevelop-2" for testing ideas related to my main project, and "MonoDevelop-3" for random scratch.
When you alt-tab (open-Apple-tab (command-tab (whvr))), the name of the executable shows up beneath its icon in the application list, so, as long as I...
Unicode characters in URLs
.... Some browsers will handle an IRI here anyway, but it's not really a good idea.
To encode an IRI into a URI, take the path and query parts, UTF-8-encode them then percent-encode the non-ASCII bytes:
http://www.example.com/d%C3%BCsseldorf?neighbourhood=L%C3%B6rick
If there are non-ASCII characte...
Why does python use 'else' after for and while loops?
...g the for-else or while-else blocks in production code.
See also [Python-ideas] Summary of for...else threads
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Why em instead of px?
...Clearly the web designer has relied on the default font size (often a good idea), and yet created the rest of their layout based on false assumptions about this font size, such as trying to align fixed-size graphical elements with text, where the element size only matches the text at one font size.
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Using the Android Application class to persist data
...rialize can cost me up to 2-3 seconds when device is overloaded with work. Idea to save/load between activities cost too much time. I use application as storage. Of course my data class stored in application instance have check on every metod - is data still alive or have to be loaded. So Dave have ...
jQuery callback for multiple ajax calls
..., glad it helped! I got kinda carried away with it :P still have some more ideas for it. I plan to update it to where you don't have to specify a number of requests on initialization.
– subhaze
Dec 6 '10 at 20:19
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