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Detect & Record Audio in Python
...o Nick Fortescue's answer, here's a more complete example of how to record from the microphone and process the resulting data:
from sys import byteorder
from array import array
from struct import pack
import pyaudio
import wave
THRESHOLD = 500
CHUNK_SIZE = 1024
FORMAT = pyaudio.paInt16
RATE = 441...
Circular (or cyclic) imports in Python
...ty straightforward really. Just remember the following:
'import' and 'from xxx import yyy' are executable statements. They execute
when the running program reaches that line.
If a module is not in sys.modules, then an import creates the new module
entry in sys.modules and then executes...
Sending HTML email using Python
...
From Python v2.7.14 documentation - 18.1.11. email: Examples:
Here’s an example of how to create an HTML message with an alternative plain text version:
#! /usr/bin/python
import smtplib
from email.mime.multipart im...
Where do I find the current C or C++ standard documents?
...d C++ standards documents in PDF are:
C++17 – ISO/IEC 14882:2017: $116 from ansi.org
C++14 – ISO/IEC 14882:2014: $90 NZD (about $60 US) from Standards New Zealand
C++11 – ISO/IEC 14882:2011: $60 from ansi.org $60 from Techstreet
C++03 – ISO 14882:2003: $30 from ansi.org $48 from SAI Global...
How does Access-Control-Allow-Origin header work?
...Cross-Origin Resource Sharing) header.
When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is accessible to certain origins. (An origin is a domain, plus a scheme and port number.) By defa...
What is the difference between exit and return? [duplicate]
... difference between return and exit statement in C programming when called from anywhere in a C program?
4 Answers
...
How to assert output with nosetest/unittest in python?
...on't have to write setup and teardown functions just for this.
import sys
from contextlib import contextmanager
from StringIO import StringIO
@contextmanager
def captured_output():
new_out, new_err = StringIO(), StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdo...
StringIO in Python3
.... I use
io.StringIO and it works, but I can't use it with numpy 's genfromtxt like this:
8 Answers
...
What are the differences between virtual memory and physical memory?
...ocesses to have their own address spaces. This protects one process's data from being written over by another process. It also lets you give different permissions to different address spaces, so some users of the system can have higher read/write privileges than others. Having the same amount of vir...
How to get the error message from the error code returned by GetLastError()?
...ze_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
std::string message(messageBuffer, size)...