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Oracle “(+)” Operator
...s) didn't standardize OUTER joins.
The query would be re-written in ANSI-92 syntax as:
SELECT ...
FROM a
LEFT JOIN b ON b.id = a.id
This link is pretty good at explaining the difference between JOINs.
It should also be noted that even though the (+) works, Oracle recommends not using ...
Batch file. Delete all files and folders in a directory
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edited May 23 '14 at 12:51
DontVoteMeDown
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Simultaneously merge multiple data.frames in a list
... but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind , for which plyr's rbind.fill would do the job, but that's not the case with these data.
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Email Address Validation in Android on EditText [duplicate]
...erns.EMAIL_ADDRESS.matcher(this).matches()
Edit: It will work On Android 2.2+ onwards !!
Edit: Added missing ;
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NameError: global name 'xrange' is not defined in Python 3
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You are trying to run a Python 2 codebase with Python 3. xrange() was renamed to range() in Python 3.
Run the game with Python 2 instead. Don't try to port it unless you know what you are doing, most likely there will be more problems beyond xrange() vs. ...
Programmatically change log level in Log4j2
I'm interested in programmatically changing the log level in Log4j2. I tried looking at their configuration documentation but that didn't seem to have anything. I also tried looking in the package: org.apache.logging.log4j.core.config , but nothing in there looked helpful either.
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Passing a std::array of unknown size to a function
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edited Jun 17 '13 at 20:36
answered Jun 17 '13 at 20:30
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Find region from within an EC2 instance
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Test if a vector contains a given element
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Both the match() (returns the first appearance) and %in% (returns a Boolean) functions are desi...
How to count total lines changed by a specific author in a Git repository?
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