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Prevent multiple instances of a given app in .NET?
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I've been using that for a couple years, but am now looking to change to a Mutex-based solution. I have customers that report issues with this and I suspect it's using Remoting to do it.
– Richard Watson
Jun 18 '09 at 8:28
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Print multiple arguments in Python
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FYI, as of Python 3.6, we get f-strings, so you can now also do print(f"Total score for {name} is {score}") with no explicit function calls (as long as name and score are in scope obviously).
– ShadowRanger
Dec 7 '16 at 1:41
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PHP date() format when inserting into datetime in MySQL
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Why this is not the case I do not know. I have to refer to stack overflow every. single. functioning. time.
– Mazatec
Aug 2 '16 at 17:17
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What is an MDF file? [closed]
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SQL Server databases use two files - an MDF file, known as the primary database file, which contains the schema and data, and a LDF file, which contains the logs. See wikipedia. A database may also use secondary database file, which normally uses a .ndf extension.
As John S....
Deserialize json object into dynamic object using Json.net
...be :) Dynamic is an anti pattern in almost every circumstances, but, every now and then, you may have a situation where it's reasonable to use it.
– Pluc
Mar 18 '16 at 18:30
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What's the point of JAXB 2's ObjectFactory classes?
...e), but when you come across a case where it's genuinely useful, you will know it. :-)
– Chris Jester-Young
Jun 5 '09 at 19:44
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How to “perfectly” override a dict?
...tween Python 2 and 3, create a singleton (_RaiseKeyError) to make sure we know if we actually get an argument to dict.pop, and create a function to ensure our string keys are lowercase:
from itertools import chain
try: # Python 2
str_base = basestring
items = 'iteritems'
except...
How to var_dump variables in twig templates?
...you only present what you have been given is fine and all, but how do you know what is available? Is there a "list all defined variables" functionality in TWIG? Is there a way to dump a variable?
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How to check if activity is in foreground or in visible background?
...liably. You might have the following situation: Resume A Resume B Pause A. Now activityVisible is false whereas the application is visible. Perhaps you use a visibility counter: visibleCounter ++ in onResume and visibleCounter -- in onPause.
– Joris Weimar
Mar ...
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
...er from the command line rather than powering off the server.
shutdown -h now
This will stop the running services before powering down the machine.
Based on Centos, an additional method for getting it back up again when you run into this problem is to move mysql.sock:
mv /var/lib/mysql/mysql.so...