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How to “set a breakpoint in malloc_error_break to debug”
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Disable hover effects on mobile browsers
...y, you can edit your page that there is no content change.
Background
In order to simulate a mouse, browsers such as Webkit mobile fire the following events if a user touches and releases a finger on touch screen (like iPad) (source: Touch And Mouse on html5rocks.com):
touchstart
touchmove
touch...
How does push notification technology work on Android?
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Checkbox for nullable boolean
...iad of different reasons why the foo input might not appear on the page at all. If it does appear I can assume there's a value, but I need to be able to differentiate between when the model is posted with foo as unchecked and when foo isn't shown.
– DMulligan
J...
Algorithm to implement a word cloud like Wordle
... such as "at some random x position in the vertical center". In decreasing order of frequency, do this for each word:
place the word where it wants to be
while it intersects any of the previously placed words
move it one step along an ever-increasing spiral
That's it. The hard part is in doin...
Subprocess changing directory
...l commands are executed within the same process as the shell. What I meant by subshell is the shell executed for shell=True. It gets the command to be executed, executes that and exits.
– glglgl
Mar 31 '15 at 0:30
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Difference between PCDATA and CDATA in DTD
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Building a complete online payment gateway like Paypal [closed]
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Programmatically fire button click event?
Is there a way to programmatically fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not manually as a user. Is it possible in iOS development? Please provide your suggestions and guide me how to do that.
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How to map atan2() to degrees 0-360
...buse atan2()
According to the docs atan2 takes parameters y and x in that order. However if you reverse them you can do the following:
double radians = std::atan2(x, y);
double degrees = radians * 180 / M_PI;
if (radians < 0)
{
degrees += 360;
}
2) Use atan2() correctly and convert after...