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What's wrong with foreign keys?

...ber correctly). However, to me they seem pretty vital to avoid duplication and subsequent data integrity problems throughout your database. ...
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Could not establish trust relationship for SSL/TLS secure channel — SOAP

...a web service also written in C# (2.0). This has worked for several years, and continues to do so at the dozen or so places where it is running. ...
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Is it possible in Java to catch two exceptions in the same catch block? [duplicate]

I need to catch two exceptions because they require the same handling logic. I would like to do something like: 6 Answers ...
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PHP Get name of current directory

... is more useful when you have a file that needs to include another library and is included in another library. Eg: main.php libs/common.php libs/images/editor.php In your common.php you need to use functions in editor.php, so you use common.php: require_once dirname(__FILE__) . '/images/editor...
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI

...r would be /test.php/foo.bar. The __FILE__ constant contains the full path and filename of the current (i.e. included) file. If PHP is running as a command-line processor this variable contains the script name since PHP 4.3.0. Previously it was not available. 'SCRIPT_NAME' Contain...
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Run an OLS regression with Pandas Data Frame

I have a pandas data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example: ...
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Where should signal handlers live in a django project?

...started implementing signal listeners in a django project. While I understand what they are and how to use them. I am having a hard time figuring out where I should put them. The documentation from the django site has this to say: ...
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Show the progress of a Python multiprocessing pool imap_unordered call?

... @HananShteingart: It works fine on my system (Ubuntu) with both Python 2 and 3. I've used def do_word(*a): time.sleep(.1) as an example. If it doesn't work for you then create a complete minimal code example which demonstrates your issue: describe using words what do you expect to happen and what ...
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What is the difference between XML and XSD?

What is the difference between Extensible Markup Language (XML) and XML Schema (XSD)? 7 Answers ...
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Is there a shortcut to move between header and source file in VC++?

... In Visual Studio 2013 and later there is a default keyboard shortcut for this: Ctrl+K, Ctrl+O (You will need to hold down Ctrl and type ko and then release Ctrl) In earlier versions, see: Visual Studio Macro to switch between CPP and H files or...