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remove_if equivalent for std::map
I was trying to erase a range of elements from map based on particular condition. How do I do it using STL algorithms?
13 A...
Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
... I didn't got the .metadata folder in my workspace I removed it from terminal and it really worked thanks.....
– Karthika PB
Apr 1 '15 at 12:41
1
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Web workers without a separate Javascript file?
...ascript/worker.
self.onmessage = function(e) {
self.postMessage('msg from worker');
};
// Rest of your worker code goes here.
</script>
<script>
var blob = new Blob([
document.querySelector('#worker1').textContent
], { type: "text/javascript" })
// Note: window.webki...
How to print Unicode character in Python?
...displaying Unicode characters.
For information about reading Unicode data from a file, see this answer:
Character reading from file in Python
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Assigning a variable NaN in python without numpy
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Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>> print(nan + 2)
nan
>>> nan == nan
False
>>> import math
>>> math.isnan(nan)
True
Before Python 3.5, one could use float("nan") (case i...
Asynchronous Requests with Python requests
...request
Call async.map on a list of all the requests / actions
Example:
from requests import async
# If using requests > v0.13.0, use
# from grequests import async
urls = [
'http://python-requests.org',
'http://httpbin.org',
'http://python-guide.org',
'http://kennethreitz.com'...
Why does datetime.datetime.utcnow() not contain timezone information?
..., you could pass tzinfo to datetime.now() directly:
#!/usr/bin/env python
from datetime import datetime
import pytz # $ pip install pytz
print(datetime.now(pytz.timezone("America/New_York")))
It works for any timezone including those that observe daylight saving time (DST) i.e., it works for tim...
What is the relationship between Looper, Handler and MessageQueue in Android?
...
A Looper is a message handling loop: it reads and processes items from a MessageQueue. The Looper class is usually used in conjunction with a HandlerThread (a subclass of Thread).
A Handler is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runna...
How does the Amazon Recommendation feature work?
...ata sources they have to mine...
Purchased shopping carts = real money from real people spent on real items = powerful data and a lot of it.
Items added to carts but abandoned.
Pricing experiments online (A/B testing, etc.) where they offer the same products at different prices and see the r...
Installing python module within code
I need to install a package from PyPi straight within my script.
Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv.
...