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What's the difference between session.Merge and session.SaveOrUpdate?
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This is from section 10.7. Automatic state detection of the Hibernate Reference Documentation:
saveOrUpdate() does the following:
if the object is already persistent in this session, do nothing
if another object associated with the s...
In C#, how to check if a TCP port is available?
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+50
Since you're using a TcpClient, that means you're checking open TCP ports. There are lots of good objects available in the System.Net....
How do you rename a MongoDB database?
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Difference between webdriver.Dispose(), .Close() and .Quit()
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Handling file renames in git
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edited Nov 20 '19 at 14:11
Sae1962
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What would a “frozen dict” be?
...lgorithmic performance.
if self._hash is None:
hash_ = 0
for pair in self.items():
hash_ ^= hash(pair)
self._hash = hash_
return self._hash
It should work great:
>>> x = FrozenDict(a=1, b=2)
>>> y = FrozenDict(a...
Restore a postgres backup file using the command line?
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psql -U username -d dbname < filename.sql
-- For Postgres versions 9.0 or earlier
psql -U username -d dbname -1 -f filename.sql
or
pg_restore -U username -d dbname -1 filename.dump
Check out their respective manpages - there's quite a few options that affect how the restore works. You ma...
Differences between unique_ptr and shared_ptr [duplicate]
...more efficient.
– Aaron McDaid
Aug 10 '15 at 20:45
5
@AaronMcDaid By default unique_ptr will beha...
Concatenate a vector of strings/character
...data, collapse = '')
Thanks to http://twitter.com/onelinetips/status/7491806343
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Check if a dialog is displayed with Espresso
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answered Jan 10 '14 at 14:28
denysdenys
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