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Progress indicator during pandas operations
...se you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full documentation on pypi, or import the module and run help(tqdm). Other supported functions include map, applymap, aggregate, and transform.
EDIT
To directly answer the original ...
Threading pool similar to the multiprocessing Pool?
...
I just found out that there actually is a thread-based Pool interface in the multiprocessing module, however it is hidden somewhat and not properly documented.
It can be imported via
from multiprocessing.pool import ThreadPool
It is implemented using a...
AngularJS: Service vs provider vs factory
...get(). The constructor function is instantiated before the $get method is called - ProviderFunction is the function reference passed to module.provider.
Providers have the advantage that they can be configured during the module configuration phase.
See here for the provided code.
Here's a great fur...
res.sendFile absolute path
...pond with index.html on every request, because I'm using a star * to catch all files that weren't found in your static (public) directory; which is the most common use case for web-apps. Change to / to return the index only in the root path.
...
SQLAlchemy: cascade delete
...use that is where you defined your relationship (it doesn't care that you called it "Child" of course).
If you define the relationship on the Parent class instead, it will work:
children = relationship("Child", cascade="all,delete", backref="parent")
(note "Child" as a string: this is allowed wh...
Android SDK manager won't open
So I installed the android sdk for Windows:
29 Answers
29
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Is there any overhead to declaring a variable within a loop? (C++)
...
Stack space for local variables is usually allocated in function scope. So no stack pointer adjustment happens inside the loop, just assigning 4 to var. Therefore these two snippets have the same overhead.
...
Any gotchas using unicode_literals in Python 2.6?
...wo.name
The output of running python one.py is:
Traceback (most recent call last):
File "one.py", line 5, in <module>
print name + two.name
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 4: ordinal not in range(128)
In this example, two.name is an utf-8 encoded...
Most efficient method to groupby on an array of objects
...g callback functions to return a sorting criteria
– y_nk
Jul 6 '16 at 16:50
118
Here is one that ...
Check if a user has scrolled to the bottom
...ight of the visible window and checks if that equals the height of the overall content (document). If you wanted to instead check if the user is near the bottom, it'd look something like this:
$(window).scroll(function() {
if($(window).scrollTop() + $(window).height() > $(document).height() ...