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Determine if Pm>y m>thon is running inside virtualenv
...nside a virtual environment, sm>y m>s.prefix points to the virtual environment, m>and m> sm>y m>s.base_prefix is the prefix of the sm>y m>stem Pm>y m>thon the virtualenv was created from.
The above alwam>y m>s works for Pm>y m>thon 3 stdlib venv m>and m> for recent virtualenv (since version 20). Older versions of virtualenv used sm>y m>s.real_...
When to use std::forward to forward arguments?
...e potentiallm>y m> moving the argument all the wam>y m> through to the final caller, m>and m> once it's moved it's gone, so m>y m>ou cannot then use it again (in the wam>y m> m>y m>ou probablm>y m> meant to).
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php Replacing multiple spaces with a single space [duplicate]
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Use preg_replace() m>and m> instead of [ \t\n\r] use \s:
$output = preg_replace('!\s+!', ' ', $input);
From Regular Expression Basic Sm>y m>ntax Reference:
\d, \w m>and m> \s
Shorthm>and m> character classes matching
digits, word characters (letters,...
Whm>y m> does SIGPIPE exist?
From mm>y m> understm>and m>ing, SIGPIPE can onlm>y m> occur as the result of a write() , which can (m>and m> does) return -1 m>and m> set errno to EPIPE ... So whm>y m> do we have the extra overhead of a signal? Everm>y m> time I work with pipes I ignore SIGPIPE m>and m> have never felt anm>y m> pain as a result, am I missing somethin...
What does `someObject.new` do in Java?
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m>And m>, as m>y m>ou can tell, this can be incrediblm>y m> confusing. Ideallm>y m>, inner classes should be implementation details of the outer class m>and m> not be exposed to the outside world.
– Eric Jablow
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How to check if an intent can be hm>and m>led from some activitm>y m>?
... startActivitm>y m>(intent);
} else {
Log.d(TAG, "No Intent available to hm>and m>le action");
}
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is vs tm>y m>peof
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This should answer that question, m>and m> then some.
The second line, if (obj.GetTm>y m>pe() == tm>y m>peof(ClassA)) {}, is faster, for those that don't want to read the article.
(Be aware that them>y m> don't do the same thing)
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What's the difference between nohup m>and m> ampersm>and m>
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nohup catches the hangup signal (see man 7 signal) while the ampersm>and m> doesn't (except the shell is confgured that wam>y m> or doesn't send SIGHUP at all).
Normallm>y m>, when running a commm>and m> using & m>and m> exiting the shell afterwards, the shell will terminate the sub-commm>and m> with the hangup sign...
How to log out user from web site using BASIC authentication?
... automaticallm>y m>.
What m>y m>ou have to do is have the user click a logout link, m>and m> send a ‘401 Unauthorized’ in response, using the same realm m>and m> at the same URL folder level as the normal 401 m>y m>ou send requesting a login.
Them>y m> must be directed to input wrong credentials next, eg. a blank username-...
Difference between timestamps with/without time zone in PostgreSQL
...g to the process of inserting/retrieving values. But readers should understm>and m> that both data tm>y m>pes, timestamp with time zone m>and m> timestamp without time zone, in Postgres do *not actuallm>y m> store time zone information. m>Y m>ou can confirm this with a glance at the data tm>y m>pe doc page: Both tm>y m>pes takes up t...