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difference between primary key and unique key
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@android A PK with more than one column acts as a single column with respect to the uniqueness. In PostgreSQL at least, this means that a new column (with default name [table_name]_pkey) is added to the table (I've heard this ...
How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
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@AdamTuttle It does not work on Android 4.4.2 either
– Mirko
Mar 28 '14 at 12:17
43
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How to run JUnit test cases from the command line
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and what if you are using android?
– n611x007
Aug 13 '14 at 10:04
1
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How do you determine the ideal buffer size when using FileInputStream?
... I did some banchmarking on a mobile phone (Nexus 5X) for my Android app for both: small files (3,5Mb) and large files (175 Mb). And found out that the golden size would be byte[] of 524288 lengths. Well, you may win 10-20ms if you switch between small buffer 4Kb and big buffer 524Kb d...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...le.com/open?id=0B3jsksMcCW5bUU1rOGlNSGpTVE0
Unlike the ScaleDetector, the Android SDK does not have built-in Rotation Detector to use. Therefore, before we implement the extension component for App Inventor, we need to implement a rotation detector module, which can detect the rotation and calculat...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...le.com/open?id=0B3jsksMcCW5bUU1rOGlNSGpTVE0
Unlike the ScaleDetector, the Android SDK does not have built-in Rotation Detector to use. Therefore, before we implement the extension component for App Inventor, we need to implement a rotation detector module, which can detect the rotation and calculat...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...le.com/open?id=0B3jsksMcCW5bUU1rOGlNSGpTVE0
Unlike the ScaleDetector, the Android SDK does not have built-in Rotation Detector to use. Therefore, before we implement the extension component for App Inventor, we need to implement a rotation detector module, which can detect the rotation and calculat...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...le.com/open?id=0B3jsksMcCW5bUU1rOGlNSGpTVE0
Unlike the ScaleDetector, the Android SDK does not have built-in Rotation Detector to use. Therefore, before we implement the extension component for App Inventor, we need to implement a rotation detector module, which can detect the rotation and calculat...
Singleton with Arguments in Java
... An example against your assumption is the database helper class in android. The best practice would be to have a singleton for this class to maintain just one connection to database, but it expects a parameter(Context) for the same.
– Aman Deep Gautam
A...
Disable same origin policy in Chrome
...endent application "C:\..\chrome.exe" --disable-web-security --user-agent="Android" --user-data-dir="C:/temp-chrome-eng" --app="file:///C:/apps/index.html"
– Elvis Ciotti
Nov 14 '13 at 13:46
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