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Good way to use table alias in Update statement?
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Can you have a within a ?
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Recursive directory listing in DOS
...your directories contain lots of files, then this command will scroll them by on the screen too quickly to read. I think it is best to pipe the output of this command to a txt file you can read at your own speed. For example (assuming c:\temp directory is created): dir C:\ /s > C:\temp\CDirectory...
What is the zero for string?
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Rounding BigDecimal to *always* have two decimal places
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Read-only list or unmodifiable list in .NET 4.0
...s:
.NET 4.5 adds the generic IReadOnlyList interface which is implemented by List<T> for example.
It is similar to IReadOnlyCollection and adds an Item indexer property.
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Stop node.js program from command line
...an also kill it manually like this:
ps aux | grep node
Find the process ID (second from the left):
kill -9 PROCESS_ID
This may also work
killall node
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Can you write virtual functions / methods in Java?
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From wikipedia
In Java, all non-static methods are by
default "virtual functions." Only
methods marked with the keyword final,
which cannot be overridden, along with
private methods, which are not
inherited, are non-virtual.
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Convert UNIX epoch to Date object
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Try dividing that by 1000: as.POSIXct(1415560016876/1000, origin="1970-01-01") gets "2014-11-09 13:06:56.875 CST" and you need to ensure whether seconds are expected (as for R) or milliseconds.
– Dirk Eddelbuettel
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Get Selected index of UITableView
...for quicker use. The above method offers more control and can be modified by your (example) detail view controller.
– Kolin Krewinkel
Oct 27 '10 at 23:04
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