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JSP tricks to make templating easier?
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I made quite easy, Django style JSP Template inheritance tag library.
https://github.com/kwon37xi/jsp-template-inheritance
I think it make easy to manage layouts without learning curve.
example code :
base.jsp : layout
<%@page contentType="text/html; charset=UTF-8" %>
<%@ taglib ur...
Is there a concurrent List in Java's JDK?
....edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/CopyOnWriteArrayList.html
https://docs.oracle.com/javase/9/docs/api/java/util/concurrent/CopyOnWriteArrayList.html
https://www.logicbig.com/tutorials/core-java-tutorial/java-collections/concurrent-collection-cheatsheet.html
...
In-memory size of a Python structure
... "How big is this complex object in memory?"
There's a great answer here: https://goshippo.com/blog/measure-real-size-any-python-object/
The punchline:
import sys
def get_size(obj, seen=None):
"""Recursively finds size of objects"""
size = sys.getsizeof(obj)
if seen is None:
...
How to change the default charset of a MySQL table?
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What is the difference between LL and LR parsing?
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How to escape hash character in URL
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How do I kill background processes / jobs when my shell script exits?
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Update: https://stackoverflow.com/a/53714583/302079 improves this by adding exit status and a cleanup function.
trap "exit" INT TERM
trap "kill 0" EXIT
Why convert INT and TERM to exit? Because both should trigger the kill 0 witho...
Add more than one parameter in Twig path
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NumPy or Pandas: Keeping array type as integer while having a NaN value
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This capability has been added to pandas (beginning with version 0.24):
https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support
At this point, it requires the use of extension dtype Int64 (capitalized), rather than the default dtype int64 (lowercase)....
setting an environment variable in virtualenv
...is no longer maintained.
Old answer
I wrote autoenv to do exactly this:
https://github.com/kennethreitz/autoenv
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