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Retrieving the output of subprocess.call() [duplicate]
...derr, stdout, and/or stdin parameters and read from the pipes by using the communicate() method:
from subprocess import Popen, PIPE
p = Popen(['program', 'arg1'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
output, err = p.communicate(b"input data that is passed to subprocess' stdin")
rc = p.returncode
...
What is the difference between HTTP status code 200 (cache) vs status code 304?
... what's better to have from a speed perspective ... "200 (cache)" or "304" http status messages?
– Hank
Nov 3 '09 at 3:42
23
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How do I display the current value of an Android Preference in the Preference summary?
This must come up very often.
34 Answers
34
...
What is an unsigned char?
... +1. But there are four distinct character types in C++, wchar_t is one of them.
– Eric Z
Aug 24 '13 at 9:19
12
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Generating a drop down list of timezones with PHP
...
Sorry to double comment, but I can't edit my previous one. Just to shed some light, it looks as if the issue here is that the $what parameter of listIdentifiers was only added in PHP5.3. It looks like this is also when the constants were add...
What is an abstract class in PHP?
...mpose requirements upon the exhibiting class.
Example below :
class Non_Abstract_Class
{
abstract protected function getValue();
public function printOut() {
echo "Hello how are you?";
}
}
$obj=new Non_Abstract_Class();
$obj->printOut();
//Fatal error: Class Non_Abstract_...
Selector on background color of TextView
...
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="@drawable/selected_state" />
</selector>
You would also need to move that resource to the ...
Using tags to turn off caching in all browsers? [duplicate]
...rwrite the first and the
fourth would overwrite the third because of the http-equiv
declarations AND fail with the W3C validator. At most, one could have
one of each http-equiv declarations; pragma, cache-control and
expires. These are completely outdated when using modern up to date browser...
How do I protect Python code? [closed]
...
Python, being a byte-code-compiled interpreted language, is very difficult to lock down. Even if you use a exe-packager like py2exe, the layout of the executable is well-known, and the Python byte-codes are well understood.
Usually in cases like thi...
Script to get the HTTP status code of a list of urls?
...--write-out, for this:
$ curl -o /dev/null --silent --head --write-out '%{http_code}\n' <url>
200
-o /dev/null throws away the usual output
--silent throws away the progress meter
--head makes a HEAD HTTP request, instead of GET
--write-out '%{http_code}\n' prints the required status code
...