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Fastest way to flatten / un-flatten nested JSON objects
...rse(cur[p], prop ? prop+"."+p : p);
}
if (isEmpty && prop)
result[prop] = {};
}
}
recurse(data, "");
return result;
}
Together, they run your benchmark in about the half of the time (Opera 12.16: ~900ms instead of ~ 1900ms, Chrome...
What is “lifting” in Scala?
...ion. This is called eta-expansion (thanks to Ben James for this). So for example:
scala> def times2(i: Int) = i * 2
times2: (i: Int)Int
We lift a method into a function by applying the underscore
scala> val f = times2 _
f: Int => Int = <function1>
scala> f(4)
res0: Int = 8
N...
How to do a GitHub pull request
...y on Github's website.
$ git clone https://github.com/tim-peterson/dwolla-php.git
$ cd dwolla-php
$ git remote add upstream https://github.com/Dwolla/dwolla-php.git
$ git fetch upstream
// make your changes to this newly cloned, local repo
$ git add .
$ git commit -m '1st commit to dwolla'
$ git p...
Fling gesture detection on grid layout
...ht to left swipe
if(e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
Toast.makeText(SelectFilterActivity.this, "Left Swipe", Toast.LENGTH_SHORT).show();
} else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE &am...
POST data with request module on Node.JS
...: 'application/x-www-form-urlencoded'},
url: 'http://localhost/test2.php',
body: "mes=heydude"
}, function(error, response, body){
console.log(body);
});
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...
PHP DOMDocument errors/warnings on html5-tags
...e so I can set attributes/values within the code, but it seems DOMDocument(PHP5.3) doesn't support tags like <nav> and <section> .
...
Jquery UI tooltip does not support html content
...er Here</div>
More often than not, the tooltip is stored in a php variable anyway so you'd only need:
<div title="<?php echo htmlentities($tooltip); ?>">Hover Here</div>
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Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
... I think this is the correct way of removing that padding, instead of tampering with edgeInset values.
– Hgeg
Nov 24 '13 at 17:18
...
How can I have linebreaks in my long LaTeX equations?
...you can use split:
\begin{equation}
\begin{split}
first part &= second part #1 \\
&= second part #2
\end{split}
\end{equation}
Both environments require the amsmath package.
See also aligned as pointed out in an answer below.
...
How to animate the change of image in an UIImageView?
...ransition enumeration. Fading effect can be achieved using CoreAnimation. Sample example for this approach:
#import <QuartzCore/QuartzCore.h>
...
imageView.image = [UIImage imageNamed:(i % 2) ? @"3.jpg" : @"4.jpg"];
CATransition *transition = [CATransition animation];
transition.duration = 1...