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versionCode vs versionName in Android Manifest

... The versionCode attribute holds the significant version number used internally. Reading that it's pretty clear that versionName is just something that's shown to the user, versionCode is what matters. Just keep increasing it and everything should be good. ...
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Is there a native jQuery function to switch elements?

... I like this option the best! Simple and nicely compatible. Allthough i like to use el1.insertBefore(el2) and el1.insertAfter(el2) for readability. – Maurice Feb 1 '12 at 13:43 ...
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What is the proper way to check for null values?

...ast because I think it's likely to surface errors faster. It also avoids calling ToString() on a string object. – tvanfosson Mar 20 '12 at 19:17 ...
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What represents a double in sql server?

...appear to be 100% compatible in their binary representation of both very small and very large numbers -- see https://dotnetfiddle.net/wLX5Ox for my test). To make things more confusing, a "float" in C# is only 32-bit, so it would be more equivalent in SQL to the real/float(24) type in MSSQL than fl...
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AWS MySQL RDS vs AWS DynamoDB [closed]

... Really DynamoDB and MySQL are apples and oranges. DynamoDB is a NoSQL storage layer while MySQL is used for relational storage. You should pick what to use based on the actual needs of your application. In fact, some applicat...
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Java time-based map/cache with expiring keys [closed]

...any of you know of a Java Map or similar standard data store that automatically purges entries after a given timeout? This means aging, where the old expired entries “age-out” automatically. ...
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MySQL Insert Where query

...is an autoincrement column then you might as well omit it from your INSERT all together and let mysql increment it as normal. share | improve this answer | follow ...
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Auto detect mobile browser (via user-agent?) [closed]

...r agents and store unknowns as they are detected for revision and then manually figure out what they are. This last thing might be overkill in some cases. If you want to do it at Apache level, you can create a script which periodically generates a set of rewrite rules checking the user agent (or ju...
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Android - How To Override the “Back” button so it doesn't Finish() my Activity?

...ACK. You just need the following to catch the back key (Make sure not to call super in onBackPressed()). Also, if you plan on having a service run in the background, make sure to look at startForeground() and make sure to have an ongoing notification or else Android will kill your service if it ne...
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Revert changes to a file in a commit

...wiFissehaye : I think git checkout will only revert the changes again to fall back to the state what was in commit. I did 'git add filename ; git commit --amend' to remove the file from commit. – ViFI Oct 18 '16 at 18:20 ...