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How do I see if Wi-Fi is connected on Android?

...d be noted (for us n00bies here) that you need to add <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> to your AndroidManifest.xml for this to work. NOTE2: public NetworkInfo getNetworkInfo (int networkType) is now deprecated: This method was deprecated in AP...
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How to convert an array to object in PHP?

...: $object = (object) $array; Another option would be to instantiate a standard class as a variable, and loop through your array while re-assigning the values: $object = new stdClass(); foreach ($array as $key => $value) { $object->$key = $value; } As Edson Medina pointed out, a reall...
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Remove all classes that begin with a certain string

... is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like this, but that actually works: ...
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Serializing PHP object to JSON

So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment. ...
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How to Create a circular progressbar in Android which rotates on it?

... creating a layer-list, I separated it into two files. One for ProgressBar and one for its background. This is the ProgressDrawable file (@drawable folder): circular_progress_bar.xml <?xml version="1.0" encoding="utf-8"?> <rotate xmlns:android="http://schemas.android.com/apk/res/android" ...
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JavaScript hard refresh of current page

...page via JavaScript? Hard refresh means getting a fresh copy of the page AND refresh all the external resources (images, JavaScript, CSS, etc.). ...
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How do I start my app on startup?

I tried using the sample code in this link but it seems outdated and it did not work. So what changes do I have to make and to what files to have my app start automatically when Android finishes booting up? ...
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Loop inside React JSX

... as an argument – leading to a syntax error. But you can make an array, and then pass that in as an argument: var rows = []; for (var i = 0; i < numrows; i++) { rows.push(ObjectRow()); } return tbody(rows); You can use basically the same structure when working with JSX: var rows = []...
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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

...so force using a socket with the socket parameter (-S with /usr/bin/mysql) and force TCP/IP by providing a port (-P with /usr/bin/mysql.) – Kaoru Jun 1 '14 at 11:17 ...
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JUnit test for System.out.println()

I need to write JUnit tests for an old application that's poorly designed and is writing a lot of error messages to standard output. When the getResponse(String request) method behaves correctly it returns a XML response: ...