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Can a decorator of an instance method access the class?
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If you are using Python 2.6 or later you could use a class decorator, perhaps something like this (warning: untested code).
def class_decorator(cls):
for name, method in cls.__dict__.iteritems():
if hasattr(method, "use_class"):
...
RESTful URL design for search
...ld be appropriate to locate the 'combination' element in the driver's door XML document. But /car/doors[id='driver' and lock/combination='1234'] is not so friendly.
There is a difference between filtering a resource based on one of its attributes and specifying a resource.
For example, since
/ca...
String variable interpolation Java [duplicate]
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@jackr Python's strings are immutable too. However "string interpolation" can be seen more as a way of constructing one string, than a way of editing an existing one. It was not introduced in java most likely because of other priori...
Securely storing environment variables in GAE with app.yaml
...yer enabling you to discover and create secrets at runtime, if necessary.
Python SDK
Example usage:
from google.cloud import secretmanager_v1beta1 as secretmanager
secret_id = 'my_secret_key'
project_id = 'my_project'
version = 1 # use the management tools to determine version at runtime
cli...
Random number from a range in a Bash Script
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and here's one with Python
randport=$(python -S -c "import random; print random.randrange(2000,63000)")
and one with awk
awk 'BEGIN{srand();print int(rand()*(63000-2000))+2000 }'
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How can I obtain the element-wise logical NOT of a pandas Series?
...s
Out[8]:
0 False
1 False
2 True
3 False
dtype: bool
Using Python2.7, NumPy 1.8.0, Pandas 0.13.1:
In [119]: s = pd.Series([True, True, False, True]*10000)
In [10]: %timeit np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
In [11]: %timeit ~s
10000 loops, best of 3: 73.5 µs ...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
...ate custom marker layout and convert it into a bitmap.
view_custom_marker.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/custom_marker_view"
android:layout_width="wrap_content"
android:layout_...
Can I serve multiple clients using just Flask app.run() as standalone?
... yourself is probably not going to get you very far either, because of the Python GIL.
That said, you do still have some good options. Gunicorn is a solid, easy-to-use WSGI server that will let you spawn multiple workers (separate processes, so no GIL worries), and even comes with asynchronous work...
Drawing a connecting line between two elements [closed]
... it worked perfectly...
first of all, Scalable Vector Graphics (SVG) is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation. SVG images and their behaviors are defined in XML text files. you can create an svg in HTML using <svg> tag. Adobe...
Convert xlsx to csv in Linux with command line
...equire dozens of dependencies that you also need to install.
I found this Python alternative:
https://github.com/dilshod/xlsx2csv
$ easy_install xlsx2csv
$ xlsx2csv file.xlsx > newfile.csv
Took 2 seconds to install and works like a charm.
If you have multiple sheets you can export all at o...