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Pip freeze vs. pip list
...packages shown in pip list but not pip freeze are setuptools (which is easy_install) and pip itself.
It looks like pip freeze just doesn't list packages that pip itself depends on. You may use the --all flag to show also those packages.
From the documentation:
--all
Do not skip these pa...
Handling very large numbers in Python
...ally:
In [1]: 59**3*61**4*2*3*5*7*3*5*7
Out[1]: 62702371781194950
In [2]: _ % 61**4
Out[2]: 0
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How to get current time and date in C++?
...
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>
int main()
{
auto start = std::chrono::system_clock::now();
// Some computation ...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
.... So where exactly i have to remove the fragment
– KK_07k11A0585
Jul 15 '13 at 14:36
6
This answe...
How to send email attachments?
...t import MIMEText
from email.utils import COMMASPACE, formatdate
def send_mail(send_from, send_to, subject, text, files=None,
server="127.0.0.1"):
assert isinstance(send_to, list)
msg = MIMEMultipart()
msg['From'] = send_from
msg['To'] = COMMASPACE.join(send_to)
...
You need to use a Theme.AppCompat theme (or descendant) with this activity
...de.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.4_r1/frameworks/base/core/res/res/values/themes.xml/
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Is there any haskell function to concatenate list with separator?
...meone is interested:
myIntersperse :: a -> [a] -> [a]
myIntersperse _ [] = []
myIntersperse e xs = init $ xs >>= (:[e])
myIntercalate :: [a] -> [[a]] -> [a]
myIntercalate e xs = concat $ myIntersperse e xs
xs >>= f is equivalent to concat (map f xs).
...
Is there a portable way to get the current username in Python?
... to combine os.getuid() with pwd.getpwuid():
import os
import pwd
def get_username():
return pwd.getpwuid( os.getuid() )[ 0 ]
Refer to the pwd docs for more details:
http://docs.python.org/library/pwd.html
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Create Directory if it doesn't exist with Ruby
...ectories at once, FileUtils is needed:
require 'fileutils'
FileUtils.mkdir_p 'foo/bar'
# => ["foo/bar"]
Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment):
> system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"'
=&g...
A regex to match a substring that isn't followed by a certain other substring
...-------------
\w+ word characters (a-z, A-Z, 0-9, _) (1 or
more times (matching the most amount
possible))
--------------------------------------------------------------------------------
) en...