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ALTER DATABASE failed because a lock could not be placed on database

...or the sessions that are connected to the database. Try your script after all connections to the database are removed. Unfortunately, I don't have a reason why you're seeing the problem, but here is a link that shows that the problem has occurred elsewhere. http://www.geakeit.co.uk/2010/12/11/sql...
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How to search file text for a pattern and replace it with a given value

...ull. This code is not fit for anything beyond a quick one-off script where all the data is backed up. For that reason, do NOT copy this code into your programs. Here's a quick short way to do it. file_names = ['foo.txt', 'bar.txt'] file_names.each do |file_name| text = File.read(file_name) ne...
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What is the syntax for an inner join in LINQ to SQL?

...t which has as properties the DealerContact and Dealer records, along with all of their fields. We can then use fields from those records as we filter and select the results, as demonstrated by the remainder of the example, which uses dc_d as a name for the anonymous object we built which has bot...
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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]

...n or use the appropriate flag to tell Bash to act as a login shell. Personally, I put my PATH setup into a .profile file (because I sometimes use other shells); I put my Bash aliases and functions into my .bashrc file; I put this #!/bin/bash # # CRM .bash_profile Time-stamp: "2008-12-07 19:42" #...
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How do I escape a single quote in SQL Server?

...e wrong place to fix my problem. it was not a character escape issue after all. my issue was that the data length was over the limit. thanks for reassuring me that using the single quote twice is the right way of escaping the character. – tim_wonil Oct 19 '09 a...
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Passing parameters to addTarget:action:forControlEvents

...wsDetails: method here. You just create a selector to make button able to call it when certain action occurs (touch up in your case). Controls can use 3 types of selectors to respond to actions, all of them have predefined meaning of their parameters: with no parameters action:@selector(switchToN...
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How to enable MySQL Query Log?

...able, disable and to see the logs on live servers without restarting. Log all queries in mysql Here is a summary: If you don't want or cannot restart the MySQL server you can proceed like this on your running server: Create your log tables (see answer) Enable Query logging on the database (No...
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Swift to Objective-C header not created in Xcode 6

...Defines Module must be set to Yes in Build Settings, under Packaging. Finally works. Thanks to everyone for the help :-) share | improve this answer | follow ...
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网 - 专注IT技能提升

...t of the cell. Input validation is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero. Using the CGridCellNumeri...
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Django MEDIA_URL and MEDIA_ROOT

... answer below; it is a better solution. – Thane Brimhall Apr 6 '16 at 14:14 is this in your app or project urls.py? ...