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Creating email templates with Django

...: "Gilbert"}) because Context is deprecated. When I used Context, I got an error > TypeError: context must be a dict rather than Context text_content = render_to_string('receipt_email.txt', context, request=request) html_content = render_to_string('receipt_email.html', context, request=r...
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What is the difference between exit and return? [duplicate]

...can get; the conventional usage is 0 for success or any other value for an error). The parameter of the return statement is whatever the return type of the function is. If the function returns void, you can omit the return at the end of the function. Last point, exit() come in two flavors _exit() an...
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In the shell, what does “ 2>&1 ” mean?

...iptor 1 is the standard output (stdout). File descriptor 2 is the standard error (stderr). Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1 may look like a good way to redirect stderr to stdout. However, it will actually be interpreted as "redirect...
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Relative imports in Python 3

...)[0] returns empty string. This is why there's empty string literal in the error description: SystemError: Parent module '' not loaded, cannot perform relative import The relevant part of the CPython's PyImport_ImportModuleLevelObject function: if (PyDict_GetItem(interp->modules, package) == ...
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How to tell if a string is not defined in a Bash shell script

...o use a default value, ${foo:=default} to assign the default value, ${foo:?error message} to display an error message if foo is unset, etc. – Jouni K. Seppänen Oct 23 '08 at 4:54 ...
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Overload with different return type in Java?

... new StringBuilder("Hello " + name); } //This will not work //Error: Duplicate method greet() in type B public StringBuilder greet() { return new StringBuilder("Hello Tarzan"); } } share ...
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Sql query to insert datetime in SQL Server

... sp_executesql @sql end try begin catch print 'Error in language ' + @Alias print ERROR_MESSAGE() end catch end select @LangID = min(langid) from sys.syslanguages where langid > @LangID end According to the String Literal Date and...
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Check whether user has a Chrome extension installed

...{version: '1.0'} and not {version: 1.0} or else you'll get 'Uncaught SyntaxError: Unexpected number' in extension Inspect view console. – ET-CS Jan 26 '15 at 5:01 1 ...
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Export database schema into SQL file

...############ BEGIN CATCH BEGIN -- INIZIO Procedura in errore ========================================================================================================================================================= PRINT '*********************************************...
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Do I need dependency injection in NodeJS, or how to deal with …?

...ontrived example. MyClass.js: var fs = require('fs'); MyClass.prototype.errorFileExists = function(dir) { var dirsOrFiles = fs.readdirSync(dir); for (var d in dirsOrFiles) { if (d === 'error.txt') return true; } return false; }; MyClass.test.js: describe('MyClass', func...