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How can I select rows with most recent timestamp for each key value?
I have a table of sensor data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields.
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Python function attributes - uses and abuses [closed]
Not many are aware of this feature, but Python's functions (and methods) can have attributes . Behold:
8 Answers
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What does {0} mean when initializing an object?
... object, what does it mean? I can't find any references to {0} anywhere, and because of the curly braces Google searches are not helpful.
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When and why to 'return false' in JavaScript?
When and why to return false in JavaScript?
12 Answers
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How to set time zone of a java.util.Date?
...teFormat object, to tell it in which timezone you want to display the date and time.
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How to implement a ViewPager with different Fragments / Layouts
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As this is a very frequently asked question, I wanted to take the time and effort to explain the ViewPager with multiple Fragments and Layouts in detail. Here you go.
ViewPager with multiple Fragments and Layout files - How To
The following is a complete example of how to implement a ViewPa...
Difference between CLOB and BLOB from DB2 and Oracle Perspective?
...enter/db2luw/v10r5/topic/com.ibm.db2.luw.sql.ref.doc/doc/r0008473.html
SQL and XML limits: http://pic.dhe.ibm.com/infocenter/db2luw/v10r5/topic/com.ibm.db2.luw.sql.ref.doc/doc/r0001029.html
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Correct way to delete cookies server-side
For my authentication process I create a unique token when a user logs in and put that into a cookie which is used for authentication.
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How to echo with different colors in the Windows command line
I know that the color bf command sets the colors of the whole command line window but I wanted to to print one single line in a different color.
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What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)
Sometimes I use anchors styled as buttons and sometimes I just use buttons. I want to disable specific clicky-things so that:
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