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How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
..., are they immediately available, do they require anything to be restarted etc? I recently changed the size of an autoscaling group and AWS terminated nearly all 40 of our instances and spun up 45 new ones. I don't want that to happen if I add a new property to an existing environment. Any ideas?
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How to know what the 'errno' means?
...o such device or address",
[E2BIG] = "Argument list too long",
/* etc. */
};
int sys_nerr = sizeof(sys_errlist) / sizeof(char *);
char *strerror(int errnum) {
if (0 <= errnum && errnum < sys_nerr && sys_errlist[errnum])
strcpy(strerror_buf, sys_errlist[errn...
How do I do an OR filter in a Django query?
...me = 'doe'
This way there is no need to deal with or operators, reduce's etc.
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Iterate keys in a C++ map
... template<typename C> class key_iterator : public C::iterator, etc
– Gabriel
Dec 17 '19 at 23:53
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R apply function with multiple parameters
...l of myfxn. If instead you want each call of myfxn to get the 1st/2nd/3rd/etc. element of both mylist and var2, then you're in mapply's domain.
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How can I time a code segment for testing performance with Pythons timeit?
...eless, this is a canonical answer so a complete example of timeit seems in order, elaborating on Martijn's answer.
The docs for timeit offer many examples and flags worth checking out. The basic usage on the command line is:
$ python -mtimeit "all(True for _ in range(1000))"
2000 loops, best of 5: 1...
How do you get the magnitude of a vector in Numpy?
...4,5])
np.linalg.norm(x)
You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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ASP.NET Temporary files cleanup
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Just an update on more current OS's (Vista, Win7, etc.) - the temp file path has changed may be different based on several variables. The items below are not definitive, however, they are a few I have encountered:
"temp" environment variable setting - then it would be:
%t...
How to remove .htaccess password protection from a subdirectory
...E*/
Require valid-user
SetEnvIf Request_URI "(/DIRECTORY_NAME/)$" allow
Order allow,deny
Allow from env=allow
Also If you want to prevent multiple directories then
add
SetEnvIf Request_URI "(/DIRECTORY_NAME/)$" allow
as many time as many directories, you want to remove from htaccess prevent...
In Python script, how do I set PYTHONPATH?
I know how to set it in my /etc/profile and in my environment variables.
6 Answers
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