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What is the difference between And and AndAlso in VB.NET?
...ates the right side if and only if the left side is true.
An example:
If mystring IsNot Nothing And mystring.Contains("Foo") Then
' bla bla
End If
The above throws an exception if mystring = Nothing
If mystring IsNot Nothing AndAlso mystring.Contains("Foo") Then
' bla bla
End If
This one ...
Pythonic way to create a long multi-line string
...OT to do it correctly (they're invitations to SQL attacks). See also: dev.mysql.com/doc/connector-python/en/…
– Scott Prive
Oct 8 '16 at 17:29
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Keep the window's name fixed in tmux
...e able to manually rename, but I dont want the window name to change after my manual rename is done
– Arnold Roa
Feb 16 '16 at 15:26
7
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How to unstage large number of files without deleting the content
...he other 99.999% of the time. I didn't read carefully and had to blow away my working copy and re-clone after doing rm .git/index on my working copy.
– phpguru
Feb 8 '17 at 18:55
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Normalize data in pandas
...at you want to normalize separately from C and D.
– Amyunimus
Oct 18 '15 at 19:52
Select the subset and compute as bef...
connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show me the code)
6 Answers
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Convert UNIX epoch to Date object
...
Go via POSIXct and you want to set a TZ there -- here you see my (Chicago) default:
R> val <- 1352068320
R> as.POSIXct(val, origin="1970-01-01")
[1] "2012-11-04 22:32:00 CST"
R> as.Date(as.POSIXct(val, origin="1970-01-01"))
[1] "2012-11-05"
R>
Edit: A few years later...
Turn Pandas Multi-Index into column
...
For my case where I had 3 index levels inplace reset did not work. Alternative is assigning newly resetted dataframe to a new one: df2 = df.reset_index()
– Gorkem
Mar 15 '18 at 13:30
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Node.js Best Practice Exception Handling
...ized that the Node is terminated whenever I have an unhandled exception in my program. This is different than the normal server container that I have been exposed to where only the Worker Thread dies when unhandled exceptions occur and the container would still be able to receive the request. This r...
Difference between Pig and Hive? Why have both? [closed]
My background - 4 weeks old in the Hadoop world. Dabbled a bit in Hive, Pig and Hadoop using Cloudera's Hadoop VM. Have read Google's paper on Map-Reduce and GFS ( PDF link ).
...