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Force HTML5 youtube video
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hmm - now it's not working (same vids), weird. I wonder if it only works on certain youtube servers?
– UpTheCreek
Mar 3 '12 at 13:02
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How to check if object has any properties in JavaScript?
...ave any way to create non-enumerable properties.
However this has changed now with ECMAScript 5th Edition, and we are able to create non-enumerable, non-writable or non-deletable properties, so the above method can fail, e.g.:
var obj = {};
Object.defineProperty(obj, 'test', { value: 'testVal',
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Is there a performance gain in using single quotes vs double quotes in ruby?
Do you know if using double quotes instead of single quotes in ruby decreases performance in any meaningful way in ruby 1.8 and 1.9.
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Inefficient jQuery usage warnings in PHPStorm IDE
I recently upgraded my version of PHPStorm IDE and it now warns me about inefficient jQuery usage.
3 Answers
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Why are Standard iterator ranges [begin, end) instead of [begin, end]?
... loop iterating over an array of size N is "for(i=0;i<N;i++) a[i]=0;". Now, you can't express that directly with iterators - many folks wasted time trying to make < meaningful. But it is almost equally obvious to say "for(i=0;i!=N;i++)..." Mapping 0 to begin and N to end is therefore conven...
Is there a goto statement in Java?
...Didn't you describe why it's reserved? It's a keyword, so it can't be used now; later goto could spring to life without causing problems. If it wasn't a reserved word, it could be used now to produce code (int goto = 2;) which would break if goto was introduced.
– user146043
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How can I return to a parent activity correctly?
...ng startActivityForResult() and override onActivtyResult() in Activity A.
Now in Activity B just call finish() on button Up. So now you directed to Activity A's onActivityResult() without creating of Activity A again..
shar...
What does the “map” method do in Ruby?
..., convert each element by some rule
names.map! {|name| name.capitalize } # now names contains ['Danil', 'Edmund']
names.each { |name| puts name + ' is a programmer' } # here we just do something with each element
The output:
Danil is a programmer
Edmund is a programmer
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Where are Docker images stored on the host machine?
...ific storage for contents of the images.
/var/lib/docker/graph/<id> now only contains metadata about the image, in the json and layersize files.
In the case of aufs:
/var/lib/docker/aufs/diff/<id> has the file contents of the images.
/var/lib/docker/repositories-aufs is a JSON file ...
SQL UPDATE all values in a field with appended string CONCAT not working
...he column had a limited set of characters it would accept, changed it, and now the query works fine.
– Fresheyeball
Nov 9 '10 at 3:19
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