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Flask vs webapp2 for Google App Engine
...upport for SDK libraries a breeze, maintenance becomes a lot easier, it is more future-proof as new libraries and SDK features will work out of the box and there's the benefit of a large community working around the same App Engine tools.
A specific webapp2 defense is summarized here. Add to those ...
How do I clone a Django model instance object and save it to the database?
...one
obj.save()
If you want auto-generated key, set the new key to None.
More on UPDATE/INSERT here.
Official docs on copying model instances: https://docs.djangoproject.com/en/2.2/topics/db/queries/#copying-model-instances
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Linux/Unix command to determine if process is running?
... "Process is running."
else
echo "Process is not running."
fi
Furthermore, if you would like the list of PIDs, you could easily grep for those as well:
ps cax | grep httpd | grep -o '^[ ]*[0-9]*'
Whose output is the same on Linux and OS X:
3519 3521 3523 3524
The output of the following is...
How to detect idle time in JavaScript elegantly?
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filter items in a python dictionary where keys contain a specific string
...nd then iterating through it, but instead use a generator, because what is more pythonic (and awesome) than a generator?
First we create our generator, and good design dictates that we make it abstract enough to be reusable:
# The implementation of my generator may look vaguely familiar, no?
def f...
Regular expression to stop at first match
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@Kip: You're probably right, but the .*? notation is more general than [^"]*
– Bondax
Sep 2 '15 at 7:45
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How to git-cherry-pick only changes to certain files?
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Unicode equivalents for \w and \b in Java regular expressions?
...esponds to Unicode whitespace.
The Solution to All Those Problems, and More
To deal with this and many other related problems, yesterday I wrote a Java function to rewrite a pattern string that rewrites these 14 charclass escapes:
\w \W \s \S \v \V \h \H \d \D \b \B \X \R
by replacing them w...
Execute the setInterval function without delay the first time
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What's the difference between lists and tuples?
...ples have structure, lists have order.
Using this distinction makes code more explicit and understandable.
One example would be pairs of page and line number to reference locations in a book, e.g.:
my_location = (42, 11) # page number, line number
You can then use this as a key in a dictionar...