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EF Code First foreign key without navigation property

...class and sql is just the above SQL command as string. Be aware that with all this EF has no clue that ParentId is a foreign key that describes a relationship. EF will consider it only as an ordinary scalar property. Somehow all the above is only a more complicated and slower way compared to just o...
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Mac OS X - EnvironmentError: mysql_config not found

... Ok, well, first of all, let me check if I am on the same page as you: You installed python You did brew install mysql You did export PATH=$PATH:/usr/local/mysql/bin And finally, you did pip install MySQL-Python (or pip3 install mysqlclient if...
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How to delete files/subfolders in a specific directory at the command prompt in Windows

Say, there is a variable called %pathtofolder% , as it makes it clear it is a full path of a folder. 15 Answers ...
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How Python web frameworks, WSGI and CGI fit together

... How WSGI, CGI, and the frameworks are all connected? Apache listens on port 80. It gets an HTTP request. It parses the request to find a way to respond. Apache has a LOT of choices for responding. One way to respond is to use CGI to run a script. Another w...
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Saving an Object (Data persistence)

...ics. cPickle (or _pickle) vs pickle It's almost always preferable to actually use the cPickle module rather than pickle because the former is written in C and is much faster. There are some subtle differences between them, but in most situations they're equivalent and the C version will provide gr...
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Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013

... I fixed this by reinstalling the NuGet package, which corrects broken dependencies. From the package manager, run: Update-Package Microsoft.AspNet.WebApi -reinstall shar...
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What's the rationale for null terminated strings?

... by a special character, which B spelled *e. This change was made partially to avoid the limitation on the length of a string caused by holding the count in an 8- or 9-bit slot, and partly because maintaining the count seemed, in our experience, less convenient than using a terminato...
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Firebug-like debugger for Google Chrome

...ntrospection, I can do it with Firebug. Now with IE8's new developer mode, all the major browsers have builtin dev modes. Good times. – guns Apr 27 '09 at 9:32 1 ...
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty

... Refactor to avoid circular dependency. The exact solution is really fairly specific to your own code. – Sam Svenbjorgchristiensensen Feb 17 '14 at 22:10 6 ...
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Resolve promises one after another (i.e. in sequence)?

...uential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence. 27 Answers...