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Caveats of select/poll vs. epoll reactors in Twisted

...ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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What is the difference between HTML tags and ?

...k element span is an inline element. This means that to use them semantically, divs should be used to wrap sections of a document, while spans should be used to wrap small portions of text, images, etc. For example: <div>This a large main division, with <span>a small bit</span>...
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Check if at least two out of three booleans are true

...he following on my machine (running Ubuntu on Intel Core 2 + sun java 1.6.0_15-b03 with HotSpot Server VM (14.1-b02, mixed mode)): First and second iterations: a&&b || b&&c || a&&c : 1740 ms a ? b||c : b&&c : 1690 ms a&b | b&c | c&a : 835 ms ...
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CMake: How to build external projects and include their targets

...roject A's import file since it's only created once Project A has been installed. If you want to include Project A's import file, you'll have to install Project A manually before invoking Project B's CMakeLists.txt - just like any other third-party dependency added this way or via find_file / find_...
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How do I record audio on iPhone with AVAudioRecorder?

... Actually, there are no examples at all. Here is my working code. Recording is triggered by the user pressing a button on the navBar. The recording uses cd quality (44100 samples), stereo (2 channels) linear pcm. Beware: if you wa...
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How can I get zoom functionality for images?

...t this might slow it down. 3. Do you have a phone you could test on? 4. If all else fails, see if multiplying mScaleFactor by 2 (if > 1) or 0.5 (if < 1) helps your situation. – Mike Ortiz Oct 4 '11 at 0:51 ...
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UITextField text change event

... From proper way to do uitextfield text change call back: I catch the characters sent to a UITextField control something like this: // Add a "textFieldDidChange" notification method to the text field control. In Objective-C: [textField addTarget:self ...
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Eclipse: Can you format code on save?

...checking your eclipse format xml descriptor into source control. That way all members of the team can use it and you don't get to and fro reformatting battles. share | improve this answer ...
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How to do a scatter plot with empty circles in Python?

... colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles. ...
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What is the “FS”/“GS” register intended for?

...dows and Linux. The original intention behind the segment registers was to allow a program to access many different (large) segments of memory that were intended to be independent and part of a persistent virtual store. The idea was taken from the 1966 Multics operating system, that treated files a...