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Differences between unique_ptr and shared_ptr [duplicate]
...ou pass it by value if you cannot copy it?
– splinter123
Jun 3 '16 at 22:00
11
@splinter123: By m...
Download large file in python with requests
...I'd like to use it for download big files (>1GB).
The problem is it's not possible to keep whole file in memory I need to read it in chunks. And this is a problem with the following code
...
What __init__ and self do on Python?
...iable declared inside an __init__ function:
class MyClass(object):
i = 123
def __init__(self):
self.i = 345
a = MyClass()
print(a.i)
print(MyClass.i)
Output:
345
123
share
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How are POST and GET variables handled in Python?
In PHP you can just use $_POST for POST and $_GET for GET (Query string) variables. What's the equivalent in Python?
6 ...
A non-blocking read on a subprocess.PIPE in Python
...
except ImportError:
from Queue import Queue, Empty # python 2.x
ON_POSIX = 'posix' in sys.builtin_module_names
def enqueue_output(out, queue):
for line in iter(out.readline, b''):
queue.put(line)
out.close()
p = Popen(['myprogram.exe'], stdout=PIPE, bufsize=1, close_fds=ON_P...
How to copy files across computers using SSH and MAC OS X Terminal [closed]
...do this with the scp command, which uses the ssh protocol to copy files across machines. It extends the syntax of cp to allow references to other systems:
scp username1@hostname1:/path/to/file username2@hostname2:/path/to/other/file
Copy something from this machine to some other machine:
scp /pa...
How to identify platform/compiler from preprocessor macros?
I'm writing a cross-platform code, which should compile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.
...
Pandas - Get first row value of a given column
...ime'] = x does not work:
In contrast, assignment with df.iloc[0]['bar'] = 123 does not work because df.iloc[0] is returning a copy:
In [66]: df.iloc[0]['bar'] = 123
/home/unutbu/data/binky/bin/ipython:1: SettingWithCopyWarning:
A value is trying to be set on a copy of a slice from a DataFrame
Se...
In OS X Lion, LANG is not set to UTF-8, how to fix it?
I try to setup postgress in OS X Lion, and find that is not correctly setup the LOCALE environment var.
5 Answers
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RE error: illegal byte sequence on Mac OS X
I'm trying to replace a string in a Makefile on Mac OS X for cross-compiling to iOS. The string has embedded double quotes. The command is:
...