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Callback to a Fragment from a DialogFragment
... Fragment to communicate with another, for
example to change the content based on a user event. All
Fragment-to-Fragment communication is done through the associated
Activity. Two Fragments should never communicate directly.
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How to calculate the angle between a line and the horizontal axis?
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Based on reference "Peter O".. Here is the java version
private static final float angleBetweenPoints(PointF a, PointF b) {
float deltaY = b.y - a.y;
float deltaX = b.x - a.x;
return (float) (Math.atan2(deltaY, deltaX)); }
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Why does PHP 5.2+ disallow abstract static class methods?
..., but you might reasonably disagree - it's a somewhat subjective call.
So based upon this argument, the PHP devs kept the warning in the language, right?
Uh, not exactly.
PHP bug report 53081, linked above, called for the warning to be dropped since the addition of the static::foo() construct had...
Android ACTION_IMAGE_CAPTURE Intent
... mRequestCode);
then in activity that i return to, i do different things based on the device.
protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
switch (requestCode) {
case GlobalConstants.IMAGE_CAPTURE:
Uri u;
if (hasImageCap...
Replace selector images programmatically
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Chrome Developer Tools: How to find out what is overriding a CSS rule?
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GitHub: What is a “wip” branch?
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Common CSS Media Queries Break Points [duplicate]
... target @media rules at specific devices, it is arguably more practical to base them on your particular layout instead. That is, gradually narrow your desktop browser window and observe the natural breakpoints for your content. It's different for every site. As long as the design flows well at each...
Read a text file using Node.js?
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Rails: Custom text for rails form_for label
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