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JSP tricks to make templating easier?
...work with common includes and variables, much like PHP , but I'd like to know a simple way to get something like template inheritance ( Django style) or at least be able to have a base.jsp file containing the header and the footer, so I can insert content later.
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How can I reverse a list in Python?
...,2,3,4]
a = a[::-1]
print(a)
>>> [4,3,2,1]
The job is done, and now you have a reversed list.
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Ignoring time zones altogether in Rails and PostgreSQL
...m the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH FROM timestamptz).
The source code:
* Timestam...
How are virtual functions and vtable implemented?
We all know what virtual functions are in C++, but how are they implemented at a deep level?
12 Answers
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Difference between Build Solution, Rebuild Solution, and Clean Solution in Visual Studio?
... use partially-built bits of the project if they haven't changed (I don't know how far it takes this)
Rebuild solution will clean and then build the solution from scratch, ignoring anything it's done before. The difference between this and "Clean, followed by Build" is that Rebuild will clean-then-b...
Extract first item of each sublist
...t2[0]
lst2 = [['a', 1, 'x']]
lst2[0] = ['a', 1, 'x']
Please let me know if I am incorrect.
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Images can't contain alpha channels or transparencies
... inexplicable reason, when I do this it cuts the dimensions in half and is now "wrong size" for iTC! WTF Apple???
– mharper
Dec 19 '14 at 23:53
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Create instance of generic type in Java?
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Yeah I know. It would be nice if you could do E.class but that simply gives you Object.class because of erasure :)
– Justin Rudd
Sep 16 '08 at 18:43
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How should I use git diff for long lines?
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I can't remember for sure now. But found some links that explain it more: michael.otacoo.com/linux-2/avoid-escape-characters-in-git superuser.com/questions/366930/… unix.stackexchange.com/questions/19317/…
– Shoan
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Installing Bootstrap 3 on Rails App
...p 3.0 on my Rails app. I recently finished Michael Hartl's tutorial and am now trying to build my own system using this new version of Bootstrap, but I have a few questions that I'm not sure about.
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