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How to print time in format: 2009‐08‐10 18:17:54.811
What's the best method to print out time in C in the format 2009‐08‐10
18:17:54.811 ?
7 Answers
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Get current time in seconds since the Epoch on Linux, Bash
...ou can do with date(shamelessly copied from date --help).
Show the local time for 9AM next Friday on the west coast of the US
date --date='TZ="America/Los_Angeles" 09:00 next Fri'
Better yet, take some time to read the man page
http://man7.org/linux/man-pages/man1/date.1.html
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Regex expressions in Java, \\s vs. \\s+
...tation):
Greedy quantifiers
X? X, once or not at all
X* X, zero or more times
X+ X, one or more times
X{n} X, exactly n times
X{n,} X, at least n times
X{n,m} X, at least n but not more than m times
Reluctant quantifiers
X?? X, once or not at all
X*? X, zero or more times
X+? X, one or mo...
Split comma-separated strings in a column into separate rows
...s dupe target (tagged with r-faq). As of today, it has been answered three times offering 6 different approaches but is lacking a benchmark as guidance which of the approaches is the fastest1.
The benchmarked solutions include
Matthew Lundberg's base R approach but modified according to Rich Scr...
Using %f with strftime() in Python to get microseconds
I'm trying to use strftime() to microsecond precision, which seems possible using %f (as stated here ). However when I try the following code:
...
MySQL vs MongoDB 1000 reads
...ssuming that all indexes are in memory (which is harder since there are 20 times more of them) is about 20 range lookups.
These range lookups are likely comprised of random IO — different tables will definitely reside in different spots on disk, and it's possible that different rows in the same r...
How to use timeit module
I understand the concept of what timeit does but I am not sure how to implement it in my code.
14 Answers
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Inserting a Python datetime.datetime object into MySQL
I have a date column in a MySQL table. I want to insert a datetime.datetime() object into this column. What should I be using in the execute statement?
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How to change Git log date formats
...nd’s --date option.
--date=relative shows dates relative to the current time, e.g. "2 hours ago".
--date=local shows timestamps in user’s local timezone.
--date=iso (or --date=iso8601) shows timestamps in ISO 8601 format.
--date=rfc (or --date=rfc2822) shows timestamps in RFC 2822 format,
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Using str_replace so that it only acts on the first match?
... It is "hacky" in the sense that it takes considerably more time to figure out what's going on. Also if it was clear code, it wouldn't have been mentioned that the code has an error. If it's possible to make a mistake in such a small snippet, it's way too hacky already.
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