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How can I select rows with most recent timestamp for each key value?
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For the sake of completeness, here's another possible solution:
SELECT sensorID,timestamp,sensorField1,sensorField2
FROM sensorTable s1
WHERE timestamp = (SELECT MAX(timestamp) FROM sensorTable s2 WHERE s1.sensorID = s2.sensorID)
ORDER BY ...
Uncaught TypeError: Cannot read property 'msie' of undefined - jQuery tools
...1.9. If needed, it is available as part of the jQuery Migrate plugin. We recommend using feature detection with a library such as Modernizr.
— jQuery Core 1.9 Upgrade Guide.
As stated in the Upgrade Guide you can try using the jQuery Migrate plugin to restore this functionality and let jQuery Too...
Rename package in Android Studio
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In Android Studio, you can do this:
For example, if you want to change com.example.app to my.awesome.game, then:
In your Project pane, click on the little gear icon ( )
Uncheck / De-select the Compact Empty Middle Packages option
Your package directory will now be broken up in individual di...
Node.js: printing to console without a trailing newline?
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Why is using a wild card with a Java import statement bad?
...a Swing app, and so need java.awt.Event, and are also interfacing with the company's calendaring system, which has com.mycompany.calendar.Event. If you import both using the wildcard method, one of these three things happens:
You have an outright naming conflict between java.awt.Event and com.myc...
String isNullOrEmpty in Java? [duplicate]
...str)
StringUtils.isBlank(str) or StringUtils.isNotBlank(str)
from Apache commons-lang.
The difference between empty and blank is : a string consisted of whitespaces only is blank but isn't empty.
I generally prefer using apache-commons if possible, instead of writing my own utility methods, alth...
Is it possible to disable scrolling on a ViewPager
...sPagingEnabled = b;
}
}
Then in your Layout.XML file replace any <com.android.support.V4.ViewPager> tags with <com.yourpackage.CustomViewPager> tags.
This code was adapted from this blog post.
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Why is Android Studio reporting “URI is not registered”? [closed]
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Android Studio - local path doesn't exist
...ating Android Studio to 0.2.4 I can't get my project to deploy. There is a complete mismatch of the apk filename.
28 Answer...
Standard concise way to copy a file in Java?
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As toolkit mentions above, Apache Commons IO is the way to go, specifically FileUtils.copyFile(); it handles all the heavy lifting for you.
And as a postscript, note that recent versions of FileUtils (such as the 2.0.1 release) have added the use of NIO for ...