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PHP: How to remove all non printable characters in a string?
...$string = preg_replace( '/[^[:print:]]/', '',$string);
For reference see http://www.fileformat.info/info/charset/UTF-8/list.htm
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Using async-await on .net 4
...Nuget as a replacement for the AsyncCTP.
You can read more about it here: http://blogs.msdn.com/b/bclteam/archive/2013/04/17/microsoft-bcl-async-is-now-stable.aspx.
You can read about the previous version here: http://blogs.msdn.com/b/lucian/archive/2012/04/24/async-targeting-pack.aspx.
As this p...
How to get JQuery.trigger('click'); to initiate a mouse click
...esn't work on some elements in Safari. You will need to use a workaround.
http://api.jquery.com/click/
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Your content must have a ListView whose id attribute is 'android.R.id.list'
...
<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@android:id/list"
>
</ListView>
MainActivity.java:
@Override
protected void onCreate...
Get elements by attribute when querySelectorAll is not available without using libraries?
...ents by attribute. It's now supported in all relevant browsers (even IE8): http://caniuse.com/#search=queryselector
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Map over object preserving keys
...the required function in lodash, a utility library similar to underscore.
http://lodash.com/docs#mapValues
_.mapValues(object, [callback=identity], [thisArg])
Creates an object with the same keys as object and values generated by
running each own enumerable property of object through the...
What's “this” in JavaScript onclick?
...onclick attribute belongs:
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js">
</script>
<script type="text/javascript">
function func(e) {
$(e).text('there');
}
</script>
<a onclick="func(this)">here</a>...
Remote debugging with Android emulator
...er Windows, what follows requires having Cygwin installed with the package httptunnel. This must work under Linux / httptunnel as well but I didn't try.
Run the emulator on one of the machines (let's say its host name is HostEmulator)
Start Eclipse on the other machine (let's call it HostEclipse)...
Can I target all tags with a single selector?
...
It's not basic css, but if you're using LESS (http://lesscss.org), you can do this using recursion:
.hClass (@index) when (@index > 0) {
h@{index} {
font: 32px/42px trajan-pro-1,trajan-pro-2;
}
.hClass(@index - 1);
}
.hClass(6);
Sass (http://sas...
Parsing JSON from XmlHttpRequest.responseJSON
...
A long as your request is asynchronous you can use the Fetch API to send HTTP requests. The fetch API works with promises, which is a nice way to handle asynchronous workflows in JavaScript. With this approach you use fetch() to send a request and ResponseBody.json() to parse the response:
fetch(...