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How do I add multiple arguments to my custom template filter in a django template?

...want a template filter that looks like this: {% if X|is_in:"1,2,3,4" %} Now we can create your templatetag like this: from django.template import Library register = Library() def is_in(var, args): if args is None: return False arg_list = [arg.strip() for arg in args.split(',')]...
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Ruby / Rails - Change the timezone of a Time, without changing the value

...Suppose the target time to convert is after the D/ST transition while Time.now is before the change. Would that work ? – Cyril Duchon-Doris Oct 26 '16 at 18:42 add a comment ...
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When to use StringBuilder in Java [duplicate]

... Actually, nowadays I really would almost never use anything else than Strings. I used to advocate for these, but with advances of the JVM it's almost NEVER necessary anymore, fortunately. If you have a look at the bytecode for the abov...
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How can I check if a checkbox is checked?

... didn't check it! Let me check it for you."); } } Your script doesn't know what the variable remember is. You need to get the element first using getElementById(). share | improve this answer ...
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What are the differences between type() and isinstance()?

...n versions do however offer extra goodies: isinstance (and issubclass) can now mean more than just "[an instance of] a derived class" (in particular, any class can be "registered" with an ABC so that it will show as a subclass, and its instances as instances of the ABC); and ABCs can also offer extr...
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Python: changing value in a tuple

...ume that the original poster is creating all of this from scratch doesn't know any better. More often we are dealing with output from another module or data source in a format or type that we cant control. – rtphokie Jan 6 '18 at 17:15 ...
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Library? Static? Dynamic? Or Framework? Project inside another project

...led first and its resulting .a file used as a dependency by the project). Now that we're clear(er) on these terms, setting up a static library and supporting media bundle for iOS isn't too difficult, and there are many tutorials on how to do such. I personally would recommend this one: https://git...
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What does the “__block” keyword mean?

What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know... ...
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UDP vs TCP, how much faster is it? [closed]

...P is faster than TCP, and the simple reason is because its non-existent acknowledge packet (ACK) that permits a continuous packet stream, instead of TCP that acknowledges a set of packets, calculated by using the TCP window size and round-trip time (RTT). For more information, I recommend the simpl...
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MySQL indexes - what are the best practices?

I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white. ...