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Asynchronous Requests with Python requests
...grequests
usage:
build a stack:
import grequests
urls = [
'http://www.heroku.com',
'http://tablib.org',
'http://httpbin.org',
'http://python-requests.org',
'http://kennethreitz.com'
]
rs = (grequests.get(u) for u in urls)
send the stack
grequests.map(rs)
result looks l...
Full examples of using pySerial package [closed]
...
http://web.archive.org/web/20131107050923/http://www.roman10.net/serial-port-communication-in-python/comment-page-1/
#!/usr/bin/python
import serial, time
#initialization and open the port
#possible timeout values:
# 1. None: wait forever, block call
# 2. 0: non-bl...
Read a zipped file as a pandas DataFrame
...
https://www.kaggle.com/jboysen/quick-gz-pandas-tutorial
Please follow this link.
import pandas as pd
traffic_station_df = pd.read_csv('C:\\Folders\\Jupiter_Feed.txt.gz', compression='gzip',
header=1, ...
What is the most effective way to get the index of an iterator of an std::vector?
...
According to http://www.cplusplus.com/reference/std/iterator/distance/, since vec.begin() is a random access iterator, the distance method uses the - operator.
So the answer is, from a performance point of view, it is the same, but maybe using ...
Rails: create on has_one association
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
... heap size can be higher, approaching 4G on many Solaris systems.
(http://www.oracle.com/technetwork/java/hotspotfaq-138619.html#gc_heap_32bit)
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How to change users in TortoiseSVN
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Replace the line in htpasswd file:
Go to: http://www.htaccesstools.com/htpasswd-generator-windows/
(If the link is expired, search another generator from google.com.)
Enter your username and password. The site will generate an encrypted line. Copy that line and replace it...
How to initialize a list of strings (List) with many string values
...; { "bird", "dog" };
Above two are the shortest ways, please see https://www.dotnetperls.com/list
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What's the difference between django OneToOneField and ForeignKey?
...Publisher: Apress Publishing>
>>> b.publisher.website
u'http://www.apress.com/'
With ForeignKey fields queries work the other way too, but they're slightly different due to the non-symmetrical nature of the relationship.
>>> p = Publisher.objects.get(name='Apress Publishing'...
In STL maps, is it better to use map::insert than []?
...s either completely done or it leaves the map in unmodified state.
http://www.cplusplus.com/reference/map/map/insert/:
If a single element is to be inserted, there are no changes in the container in case of exception (strong guarantee).
...