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Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
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// Apply the scaled bitmap
view.setImageDrawable(result);
// Now change ImageView's dimensions to match the scaled image
LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) view.getLayoutParams();
params.width = width;
params.height = height;
view.setLayoutP...
How to count items in a Go map?
...ents queued in channel buffer
Here are a couple examples ported from the now-retired SO documentation:
m := map[string]int{}
len(m) // 0
m["foo"] = 1
len(m) // 1
If a variable points to a nil map, then len returns 0.
var m map[string]int
len(m) // 0
Excerpted from Maps - Counting map ele...
How to extract the n-th elements from a list of tuples?
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@Wayne Werner: Yep. This stuff was all just passive knowledge (I don't often use it) - but it's good to be reminded now and then so you know where / what to look for...
– Daren Thomas
Jul 22 '10 at 13:14
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How do I send a POST request as a JSON?
...thon 2.x. You are using Python3 so the imports will be different. It would now be import urllib.request and urllib.request.Request(). Furthermore, printing the req object does nothing interesting. You can clearly see the headers have been added by printing req.headers. Beyond that, I am not sur why ...
How to pause a YouTube player when hiding the iframe?
...ed using this answer myself and wasn't aware of this behaviour. Better to know now than later on :)
– MMachinegun
Jul 4 '14 at 23:06
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Explicitly set Id with Doctrine when using “AUTO” strategy
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Perhaps what doctrine changed but now right way is:
$metadata->setIdGeneratorType(\Doctrine\ORM\Mapping\ClassMetadata::GENERATOR_TYPE_NONE);
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imp...
Static constant string (class member)
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In C++11 you can do now:
class A {
private:
static constexpr const char* STRING = "some useful string constant";
};
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What is the optimal algorithm for the game 2048?
...code with emscripten to javascript, and it works quite well in the browser now! Cool to watch, without the need to compile and everything... In Firefox, performance is quite good...
– reverse_engineer
Aug 23 '14 at 17:11
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Difference between Activity Context and Application Context
... with a back press and in the recent apps you have only one task.
Suppose now that you are in App1 and launch App2:MainActivity with a share intent (ACTION_SEND or ACTION_SEND_MULTIPLE). Then from there try to launch App2:SecondaryActivity (always with all standard launch modes and intent flags).
W...
How to put multiple statements in one line?
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with regards to the 'try' question ... What If, I know at some point it is going to throw an exception but I just want the code to continue running ... for instance, to check if a string can be an integer try: int(string) ... If it can't, then just continue to the next line, ...