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Android ListView with different layouts for each row

...at you've described in comment I would suggest: Storing views in object called ViewHolder. It would increase speed because you won't have to call findViewById() every time in getView method. See List14 in API demos. Create one generic layout that will conform all combinations of properties and hid...
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MySQL Server has gone away when importing large sql file

... As stated here: Two most common reasons (and fixes) for the MySQL server has gone away (error 2006) are: Server timed out and closed the connection. How to fix: check that wait_timeout variable in your mysqld’s my.cnf configurat...
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Why does String.valueOf(null) throw a NullPointerException?

... that the most specific method is chosen. A char[] is-an Object, but not all Object is-a char[]. Therefore, char[] is more specific than Object, and as specified by the Java language, the String.valueOf(char[]) overload is chosen in this case. String.valueOf(char[]) expects the array to be non-nu...
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How do I keep the screen on in my App? [duplicate]

...ock class inorder to perform this. See the following code: import android.os.PowerManager; public class MyActivity extends Activity { protected PowerManager.WakeLock mWakeLock; /** Called when the activity is first created. */ @Override public void onCreate(final Bundle icicle) {...
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iOS Image Orientation has Strange Behavior

...erty. If the metadata specifies the orientation of the image which is generally ignored by other OS but Mac. Most of images taken are having their meta data property set to right angle. So Mac shows it 90 degree rotated manner. You can see the same image in proper way in windows OS. For more detail...
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?

...code('ascii')) hi Of course, this specific example only works if you actually are receiving ASCII from the subprocess. If it's not ASCII, you'll get an exception: >>> print(b'\xff'.decode('ascii')) Traceback (most recent call last): File "<stdin>", line 1, in <module> Unic...
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Just what is Java EE really? [closed]

...the libraries function outside of the application server environment? Actually they can. Most of the libraries can be directly used standalone (in Java SE) or included in a .war (practically that's nearly always Tomcat). Some parts of Java EE, like JPA, have explicit sections in their respective sp...
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What is the proper declaration of main?

...rn type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings? ...
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?

...still thriving and it is easier than ever to run JavaFX on mobile devices, all thanks to the IDE plugins that is built on top of these SDKs and gets you started in a few minutes without the hassle of installing any SDK JavaFX 3D is now supported on mobile devices GluonVM to replace RoboVM enabling J...
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What arguments are passed into AsyncTask?

...t exactly should I put, and where exactly will it go? Do I need to include all 3 or can I include 1,2,20? 5 Answers ...