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Unittest setUp/tearDown for several tests
...wn derived TestSuite and override run(). All other calls would be handled by the parent, and run would call your setup and teardown code around a call up to the parent's run method.
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Postgresql: Conditionally unique constraint
...lower, the advantage of the exclude solution is that it is deferrable (and by default defers until the end of the statement). In contrast, the accepted unique index solution cannot be deferred (and is checked after every row change). So a bulk update is often not possible because steps during the up...
SVN: Ignore some directories recursively
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Thanks for this, works great...By the way the only way I found to ignore both *.txt and *.pdf was to put those patterns in a file and then use the 'svn propset --file' option
– wytten
Sep 6 '12 at 15:19
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Collections.emptyList() returns a List?
...st are clearly unifiable. But I guess the type inferencer can only take "baby steps."
– Chris Conway
Nov 20 '08 at 20:43
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Git: copy all files in a directory from another branch
...rectory from another branch? I can list all of the files in that directory by doing
2 Answers
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Regex for string contains?
...that simple! I definately didn't see this in my Googling. What do you mean by don't anchor my pattern?
– GurdeepS
Feb 15 '11 at 1:20
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Specify format for input arguments argparse python
...dn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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Asking the user for input until they give a valid response
...the likelihood of bugs in your system. What if you want to backport to 2.7 by changing input to raw_input, but accidentally change only the first input above? It's a SyntaxError just waiting to happen.
Recursion Will Blow Your Stack
If you've just learned about recursion, you might be tempted to u...
In Git, how do I figure out what my current revision is?
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What do you mean by "version number"? It is quite common to tag a commit with a version number and then use
$ git describe --tags
to identify the current HEAD w.r.t. any tags. If you mean you want to know the hash of the current HEAD, yo...
How does Amazon RDS backup/snapshot actually work?
...s you're seeing at the ends of the backup window. If replication is paused by Amazon during the snapshot of your replica, the replica would then need to "catch up" on transactions when the snapshot was complete. This would cause a latency spike.
Replication across a multi-AZ deployment is inherently...