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Call a python function from jinja2

...ee. Yes, you can 'inject' namespaces (modules), functions, class instances etc. It is useful, but not as flexible as other template engines like mako. Still, jinja has other good points. I'd be grateful if you accept the answer if it helped :) – Rob Cowie May 1...
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What's wrong with nullable columns in composite primary keys?

... comparisons. This can be a source of subtle bugs when sorting, comparing, etc. Postgres assumes you're an adult and can make this decision for yourself. Oracle and DB2 assume you didn't realize you were doing something silly and throw an error. This is usually the right thing, but not always -- yo...
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JavaScript open in a new window, not tab

...w window. This is simply the fact to put extra parameter (location, status etc.... it doesn't matter) – Peter Nov 28 '15 at 11:28  |  show 12 ...
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What is the most pythonic way to check if an object is a number?

...s scalar-like. If you have values of different type (i.e. string, numeric, etc.) coming through, then the logic of your program may need some work - how did you end up trying to multiply a string by a numeric vector in the first place? ...
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Redirect all to index.php using htaccess

... in several scenarios, several servers, several different Apache versions, etc., this solution worked 100% on all cases! share | improve this answer | follow |...
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How do I add custom field to Python log format string?

...ng.DEBUG, msg, args, extra=extra, **kwargs) *repeat for info, warning, etc* logger = CustomLogger('CustomLogger', logging.DEBUG) formatter = logging.Formatter('%(asctime)s [%(foo)s] %(message)s') handler = logging.StreamHandler() handler.setFormatter(formatter) logger.addHandler(handler) log...
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Android SDK installation doesn't find JDK

... leave a note for those seeking for another way (without registry hacking, etc.) to solve this on a Windows 64 bit system. Just add PATH (capital letters!!) to your environment Variables and set the value to your JDK-Path. I added JDK to the existing "Path" which did not work, like it didn't with J...
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How to Select Every Row Where Column Value is NOT Distinct

...en columns happen to collide with SQL keywords like _default, _type, _sum, etc. – yzorg Aug 17 '16 at 14:26 add a comment  |  ...
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Mediator Vs Observer Object-Oriented Design Patterns

...ter themselves and receive notifications upon events, e. g. ButtonListener etc. Both of these patterns allow for lesser coupling, but are quite different. share | improve this answer | ...
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Any reason not to use '+' to concatenate two strings?

... matter of other Python implementations, such as pypy, jython, ironpython, etc... – jsbueno Apr 6 '12 at 13:50 add a comment  |  ...