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How to Calculate Execution Time of a Code Snippet in C++

...t; static timestamp_t get_timestamp () { struct timeval now; gettimeofday (&now, NULL); return now.tv_usec + (timestamp_t)now.tv_sec * 1000000; } ... timestamp_t t0 = get_timestamp(); // Process timestamp_t t1 = get_timestamp(); double se...
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How do I change the root directory of an apache server? [closed]

Does anyone know how to change the document root of the Apache server? I basically want localhost to come from /users/spencer/projects directory instead of /var/www . ...
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How do I turn a python datetime into a string, with readable format date?

...t;from datetime import datetime >>>"{:%B %d, %Y}".format(datetime.now()) The formatting characters used here are the same as those used by strftime. Don't miss the leading : in the format specifier. Using format() instead of strftime() in most cases can make the code more readable, easi...
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C++ Tuple vs Struct

...the purpose of this discussion so I won't dive into the detail. We all know that writing a == or < or > operator for every single struct definition will be a painful and buggy task. Let replace our custom comparator using std::tie and rerun our benchmark. bool operator<(const StructDa...
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How to make an unaware datetime timezone aware in python

...15, 12, 0) aware = datetime.datetime(2011, 8, 15, 8, 15, 12, 0, pytz.UTC) now_aware = pytz.utc.localize(unaware) assert aware == now_aware For the UTC timezone, it is not really necessary to use localize since there is no daylight savings time calculation to handle: now_aware = unaware.replace(t...
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Does Python's time.time() return the local or UTC timestamp?

... gives you timestamp. Just remove the milliseconds - str(datetime.datetime.now()).split('.')[0] – Hussain Jan 3 '13 at 13:25 17 ...
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Delete files older than 3 months old in a directory using .NET

I would like to know (using C#) how I can delete files in a certain directory older than 3 months, but I guess the date period could be flexible. ...
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac

... than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exception or EmptyResultDataAccessException, but make sure the query you are using should return only one row. If at all it is not possible then use query method instead. List<Str...
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How do I create a multiline Python string with inline variables?

...han implicit. Better to pass in only the variables you need. If you don't know which you need, because the string is supplied by the user, the "variables" should be items in a dict anyway. – agf Apr 11 '12 at 19:35 ...
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Reset Entity-Framework Migrations

...ked up my migrations, I used IgnoreChanges on the initial migration, but now I want to delete all my migrations and start with an initial migration with all of the logic. ...