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Django DB Settings 'Improperly Configured' Error
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You can't just fire up Python and check things, Django doesn't know what project you want to work on. You have to do one of these things:
Use python manage.py shell
Use django-admin.py shell --settings=mysite.settings (or whatever settings module you us...
How do I copy items from list to list without foreach?
...nt32> copy = new List<Int32>(original);
or if you're using C# 3 and .NET 3.5, with Linq, you can do this:
List<Int32> copy = original.ToList();
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How to convert An NSInteger to an int?
... To be precise, I think NSInteger is an int on 32-bit platforms, and a long on 64-bit platforms.
– Frédéric Adda
Mar 11 '14 at 22:16
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RegEx for Javascript to allow only alphanumeric
...y only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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How to verify if a file exists in a batch file?
... IF /? help file: The ELSE clause must occur on the same line as the command after the IF. This burned me. hope it helps you.
– funkymushroom
Feb 27 '14 at 17:58
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Extract value of attribute node via XPath
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What if I have a list of attributes and I need their values? string() seems to return just the first value.
– Konstantin Milyutin
Sep 18 '19 at 19:24
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Difference between fprintf, printf and sprintf?
...lain in simple English about the differences between printf , fprintf , and sprintf with examples?
8 Answers
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What is “:-!!” in C code?
... effect, a way to check whether the expression e can be evaluated to be 0, and if not, to fail the build.
The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.)
You...
How do I use the includes method in lodash to check if an object is in the collection?
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The includes (formerly called contains and include) method compares objects by reference (or more precisely, with ===). Because the two object literals of {"b": 2} in your example represent different instances, they are not equal. Notice:
({"b": 2} === {"b": 2})
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Converting string from snake_case to CamelCase in Ruby
...ssify returns a string, whereas #constantize looks up constant in context (and does need camelize). 'active_record'.constantize gives error, 'active_record'.camelize.constantize returns the constant ActiveRecord, 'active_record'.classify returns the string 'ActiveRecord'. And if you did 'no_class'.c...