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When to use EntityManager.find() vs EntityManager.getReference() with JPA
... EntityManager.find() method?
EntityManager.getReference() is really an error prone method and there is really very few cases where a client code needs to use it.
Personally, I never needed to use it.
EntityManager.getReference() and EntityManager.find() : no difference in terms of overhead
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How to drop a PostgreSQL database if there are active connections to it?
... db connection that is not a connection to 'TARGET_DB', otherwise you get 'ERROR'. A 'postgres' connection works well.
– Rob
Jul 26 '11 at 16:00
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In Python, how do I convert all of the items in a list to floats?
...e.
– Denis Otkidach
Jan 31 '18 at 4:05
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Why can't I stop vim from wrapping my code?
...ut.
– Arthur Tacca
Aug 17 '18 at 13:05
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Passing argument to alias in bash [duplicate]
...echo "Hello $*"; unset -f __myalias; } __myalias' ~$ myalias -bash: syntax error near unexpected token `__myalias'
– JeeBee
Nov 14 '13 at 14:34
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How to stop flask application without using ctrl-c
....get('werkzeug.server.shutdown')
if func is None:
raise RuntimeError('Not running with the Werkzeug Server')
func()
@app.route('/shutdown', methods=['POST'])
def shutdown():
shutdown_server()
return 'Server shutting down...'
Here is another approach that is more contained:...
PHP script - detect whether running under linux or Windows?
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– Sander Marechal
Jun 16 '11 at 13:05
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stripos(PHP_OS, 'WIN') === 0 can be used instead, arguab...
What's the best practice to “git clone” into an existing folder?
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I was getting the error "Git error: The following untracked working tree files would be overwritten by checkout", so I add this command: git clean -d -fx ""
– shakaran
Jun 21 '15 at 3:36
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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LukeHLukeH
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How to pass parameters to a modal?
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this undefined error was doing my head in until i saw your answer! Works like a charm!
– Dan
Aug 8 '15 at 12:35
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