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Rails extending ActiveRecord::Base
.... Here is an article by Avdi about the evils of patching: devblog.avdi.org/2008/02/23/…. Ruby 2.0 introduces a new feature called Refinements which addresses most of the issues with monkey patching(yehudakatz.com/2010/11/30/ruby-2-0-refinements-in-practice). Sometimes a feature is there just to co...
JavaScript private methods
...More information on this technique here: http://webreflection.blogspot.com/2008/04/natural-javascript-private-methods.html
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How can I backup a remote SQL Server database to a local drive?
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I checked it on SQL Server 2008 R2 and it's worked like charm. In care of using it for backup strategy need to some additional work by myself but I think is better than using some third parties tools like RedGate etc. Maybe I'v paranoia but I think mos...
Purpose of Trigraph sequences in C++?
... (IBM's for example). Microsoft started supporting a warning (C4837) in VS2008 that must be explicitly enabled (using -Wall or something).
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How to run multiple Python versions on Windows
... Clever idea. BTW mklink is only natively available in Windows Vista/2008+. On XP and Server 2003 a "hardlink" could be created instead using fsutil hardlink create <new filename> <existing filename> and putting or moving the <new filename> to somewhere in your path. Hardlink...
How do I get the result of a command in a variable in windows?
..."delims=" %i IN ('date /t') DO set today=%i
D:\> echo %today%
Sat 20/09/2008
Note that "delims=" overwrites the default space and tab delimiters so that the output of the date command gets gobbled all at once.
To capture multi-line output, it can still essentially be a one-liner (using the var...
How to run an EXE file in PowerShell with parameters with spaces and quotes
...fileExe = "T:\SQLEXPRADV_x64_ENU.exe"
$CONFIGURATIONFILE = "T:\ConfSetupSql2008Express.ini"
& $fileExe /CONFIGURATIONFILE=$CONFIGURATIONFILE
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The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
... sure the problem is not yours, try debugging the same application with VS 2008 (I am afraid it may be a bug in VS 2010 -- it is still beta!).
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Is errno thread-safe?
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You can look at the C11 standard, or at POSIX 2008 (2013) for errno. The C11 standard says: ... and errno which expands to a modifiable lvalue (201) that has type int and thread local storage duration, the value of which is set to a positive error number by several libr...
SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
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