大约有 48,000 项符合查询结果（耗时：0.0916秒） [XML]
How to round an average to 2 decimal places in PostgreSQL?
...on is only available for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not exist
regress=> \df *round*
List of functions
Schema | Name | Result data type | Argument data types | Type
-----...
How to turn on line numbers in IDLE?
...
152
Version 3.8 or newer:
To show line numbers in the current window, go to Options and click Show ...
Find provisioning profile in Xcode 5
In Xcode 5, I can get list of provisioning profiles under Xcode >> preferences >> accounts >> view details . I want to copy profile and have to send it to one of my client, but I am not able to right click on it to find it using " Reveal Profile in Finder " option.
...
How do I remove the space between inline/inline-block elements?
...rsions of all modern browsers. It works in IE8. It does not work in Safari 5, but it does work in Safari 6. Safari 5 is nearly a dead browser (0.33%, August 2015).
Most of the possible issues with relative font sizes are not complicated to fix.
However, while this is a reasonable solution if you s...
The tilde operator in Python
...|
edited Apr 23 '12 at 22:55
answered Nov 29 '11 at 3:02
wb...
demystify Flask app.secret_key
...
|
edited Apr 5 '19 at 15:20
davidism
88.4k1717 gold badges279279 silver badges265265 bronze badges
...
Best way to serialize an NSData into a hexadeximal string
...
15 Answers
15
Active
...
Is there a way for multiple processes to share a listening socket?
...
user
4,68966 gold badges4141 silver badges5858 bronze badges
answered Mar 22 '09 at 12:02
MarkRMarkR
58k1313 gold badges...
Mapping two integers to one, in a unique and deterministic way
... |
edited Aug 9 '17 at 7:58
omerbp
3,53533 gold badges2727 silver badges4343 bronze badges
answered May...