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How to convert milliseconds to “hh:mm:ss” format?
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answered Oct 20 '15 at 21:35
ZuluMZuluM
26133 silver badges22 bronze badges
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What is the difference between == and equals() in Java?
...ing false.
– BoDidely
Jul 29 '15 at 20:01
2
@BoDidely I figured it out. It was because all the wr...
Get yesterday's date in bash on Linux, DST-safe
... can be today or the day before yesterday.
You are sure that yesterday is 20 or 30 hours ago. Which one? Well, the most recent one that is not today.
echo -e "$(TZ=GMT+30 date +%Y-%m-%d)\n$(TZ=GMT+20 date +%Y-%m-%d)" | grep -v $(date +%Y-%m-%d) | tail -1
The -e parameter used in the echo command...
INNER JOIN vs LEFT JOIN performance in SQL Server
...swer below.
– dbenham
Dec 14 '11 at 20:28
12
I want to point out that there is basically no datab...
Printing everything except the first field with awk
...de.
– Serge Stroobandt
May 6 '15 at 20:58
1
Great. Got rid of the leading space with sed : awk ...
How to check date of last change in stored procedure or function in SQL server
...ties window in SQL Server Management Studio).
I found that in SQL Server 2000 it wasn't possible to check modify date ( look at this post: Is it possible to determine when a stored procedure was last modified in SQL Server 2000? )
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How to compare objects by multiple fields
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edited Sep 24 '18 at 20:27
community wiki
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SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
When attempting to connect to a SQL Server 2008 Instance using Management Studio, I get the following error:
35 Answers
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List all tables in postgresql information_schema
...SQL).
– RodeoClown
Feb 16 '10 at 22:20
1
You can run a select * on each of the tables listed by t...
Finding the average of a list
... [15, 18, 2, 36, 12, 78, 5, 6, 9]
import statistics
statistics.mean(l) # 20.11111111111111
On older versions of Python you can do
sum(l) / len(l)
On Python 2 you need to convert len to a float to get float division
sum(l) / float(len(l))
There is no need to use reduce. It is much slower an...