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What's the difference between session.Merge and session.SaveOrUpdate?
...ance currently associated with the
session, try to load it from the database, or create a new persistent
instance
the persistent instance is returned
the given instance does not become associated with the session, it
remains detached
You should use Merge() if you are trying to upda...
PowerShell: Setting an environment variable for a single command only
...is answer applies here. PowerShell variables aren't environment variables. Based on the question, the asker isn't using environment variables as scratch space (like one would in CMD [if that were the case, this answer would apply]), but needs to manipulate the environment before invoking an external...
Rails: Logging the entire stack trace of an exception
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to limit the amount of concurrent async I/O operations?
...ption)
}
Last, but probably a worthy mention is a solution that uses TPL-based scheduling. You can create delegate-bound tasks on the TPL that have not yet been started, and allow for a custom task scheduler to limit the concurrency. In fact, there's an MSDN sample for it here:
See also TaskSched...
Check to see if python script is running
... pid file, the script will be run multiple times.
I suggest the following based from another website:
This is to check if there is already a lock file existing
\#/usr/bin/env python
import os
import sys
if os.access(os.path.expanduser("~/.lockfile.vestibular.lock"), os.F_OK):
#if the loc...
Static member initialization in a class template
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to get Visual Studio to open Resolve Conflicts window after a TFS Get
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the difference between re.search and re.match?
... multiline strings:
Python offers two different primitive
operations based on regular
expressions: match checks for a match
only at the beginning of the string,
while search checks for a match
anywhere in the string (this is what
Perl does by default).
Note that match may differ...
Exclude all transitive dependencies of a single dependency
...hout a custom repository (unlike Version 99). This approach will even work based on the artifact's version, classifiers, scope or a whole groupId - see the documentation for details.
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Set a DateTime database field to “Now”
...
Use GETDATE()
Returns the current database system
timestamp as a datetime value without
the database time zone offset. This
value is derived from the operating
system of the computer on which the
instance of SQL Server is running.
UPDATE table SET dat...