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How to convert a string of numbers to an array of numbers?
...ature of split function) but it is equivalent to split(','). The string is now an array, we just have to map each value with a function returning the integer of the string so x=>+x (which is even shorter than the Number function (5 chars instead of 6)) is equivalent to :
function(x){return parse...
Android Camera Preview Stretched
...and the set the measured dimension accordingly.
And the next thing you know, you end up with this :D
This also works well with he front camera. I believe this is the best way to go about this. Now the only thing left for my app is to save the preview itself upon clicking on "Capture." But ya, ...
How to insert element as a first child?
...nt.prepend(newFirstChild);
This is a new addition in (likely) ES7. It is now vanilla JS, probably due to the popularity in jQuery. It is currently available in Chrome, FF, and Opera. Transpilers should be able to handle it until it becomes available everywhere.
P.S. You can directly prepend strin...
Assigning default values to shell variables with a single command in bash
... builtin to eat the expansion of the ${..} BUT leaving VARIABLE set. Until now I was doing this: VARIABLE="${VARIABLE:-DEFAULT_VALUE}" and feeling dorky for using VARIABLE twice.
– dino
Oct 6 '15 at 18:06
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How to access class constants in Twig?
... return array(
'MyClass' => $constants
);
}
}
Now you can use constants in Twig like:
{{ MyClass.MY_CONSTANT }}
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What's wrong with using $_REQUEST[]?
...ill have to sanitize this data, but it's one less thing to worry about.
Now you might wonder, why does $_REQUEST exists after all and why it is not removed. This was asked on PHP Internals as well. Citing Rasmus Lerdorf about Why does $_REQUEST exist? on PHP Internals
The more stuff like this...
Find intersection of two nested lists?
I know how to get an intersection of two flat lists:
20 Answers
20
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Is it possible to create a File object from InputStream
...tly the OutputStream, use a try with resources or IOUtils.closeQuietly. I know its just an example but beginners will copy it literally.
– Rafael Membrives
Aug 30 '17 at 7:35
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how to programmatically fake a touch event to a UIButton?
... in my pocket, without a laptop or XCode or Instruments handy. Or do you know the secret of running instruments on the device? ;)
– Olie
Oct 28 '10 at 4:58
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get CSS rule's percentage value in jQuery
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I know what's not working in it and that's why it's a counter-example.
– shevski
Jan 28 '12 at 21:40
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