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How to serve static files in Flask
...l be able to do it more efficiently than Flask.
However, you can use send_from_directory to send files from a directory, which can be pretty convenient in some situations:
from flask import Flask, request, send_from_directory
# set the project root directory as the static folder, you can set othe...
What's the difference between the various methods to get a Context?
...en it comes to Contexts in Android, but you can piece together a few facts from various sources.
This blog post on the official Google Android developers blog was written mostly to help address memory leaks, but provides some good information about contexts as well:
In a regular Android applica...
Get Image size WITHOUT loading image into memory
...; this function identifies the file, but the actual image data is not read from the file until you try to process the data (or call the load method).
Digging deeper, we see that .open calls _open which is a image-format specific overload. Each of the implementations to _open can be found in a new ...
How to use R's ellipsis feature when writing your own function?
...10 and so on. That explain why [-1L] is needed: it removes expected symbol from provided arguments in ... (cause it is always a list).
As Dirk states substitute returns "parse tree the unevaluated expression".
When you call my_ellipsis_function(a=1:10,b=11:20,c=21:30) then ... "creates" a list of ar...
Wrapping a C library in Python: C, Cython or ctypes?
I want to call a C library from a Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices:
...
Why is good UI design so hard for some Developers? [closed]
...ovies. If a movie is bad, they'll not go to the movies (or not download it from BitTorrent ;)
So it boils down to: Shunning normal users as an expert is ignorance. Because in those areas (and there are so many) where they are not experts, they expect the experts of other areas to have already thoug...
mmap() vs. reading blocks
...d I came across a nice post (link) on the Linux kernel mailing list. It's from 2000, so there have been many improvements to IO and virtual memory in the kernel since then, but it nicely explains the reason why mmap or read might be faster or slower.
A call to mmap has more overhead than read (ju...
How to save all the variables in the current python session?
... Spyder workspace variables using the spyderlib functions
#%% Load data from .spydata file
from spyderlib.utils.iofuncs import load_dictionary
globals().update(load_dictionary(fpath)[0])
data = load_dictionary(fpath)
#%% Save data to .spydata file
from spyderlib.utils.iofuncs import save_dict...
How to clone an InputStream?
...d the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associated array of bytes and open as many "cloned" ByteArrayInputStreams as you like.
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// ...
The type or namespace name does not exist in the namespace 'System.Web.Mvc'
...rojects that spontaneously uninstalled asp.net MVC somehow. I installed it from Nuget and now they both work again. This happened after a recent batch of windows updates that included .net framework updates for the version I was using (4.5.1).
Edit: From the .Net Web Development and Tools Blog:
Mi...