大约有 14,000 项符合查询结果（耗时：0.0189秒） [XML]
Moving decimal places over in a double
...));
System.out.println(new BigDecimal(x));
prints:
0.100000000000000005551115123125782702118158340454101562
12.339999999999999857891452847979962825775146484375
In short, rounding is unavoidable for sensible answers in floating point whether you are doing this explicitly or not.
Note: x / 100...
Delete column from pandas DataFrame
... edited Apr 7 '19 at 22:01
cs95
231k6060 gold badges390390 silver badges455455 bronze badges
answered Nov 21 '12 at 3:12
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Convert a Scala list to a tuple?
...andard libraries, like shapeless, of course.
– user445107
Sep 15 '14 at 15:22
1
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Rank function in MySQL
... 98 | 1 | 100.000000000 | 2 | 98 |
| 5 | 95 | 2 | 90.000000000 | 3 | 95 |
| 6 | 91 | 3 | 80.000000000 | 4 | 91 |
| 2 | 91 | 3 | 80.000000000 | 5 | 91 |
| 8 | 90 | 5...
How to calculate percentage with a SQL statement
...inner query.
– mvmn
Nov 9 '16 at 12:51
add a comment
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What is the optimal length for an email address in a database?
...
Ranges based on data including
outliers
68.2% of data 17.8 - 28.2
95.4% of data 12.6 - 33.4
99.7% of data 7.4 - 38.6
Ranges based on data outliers excluded
68.2% of data 18.1 - 27.5
95.4% of data 13.4 - 32.2
99.7% of data 8.7 - 36.9
If you sign up for http://www.abcdefghijklm...
How to add 30 minutes to a JavaScript Date object?
...) //returns 30 minutes from now.
* https://stackoverflow.com/a/1214753/18511
*
* @param date Date to start with
* @param interval One of: year, quarter, month, week, day, hour, minute, second
* @param units Number of units of the given interval to add.
*/
function dateAdd(date, interval, ...
What is the difference between a directory and a folder?
...er or control panel folder in Windows.
Raymond Chen explains:
Windows 95 introduced Windows Explorer
and along with it the term folder.
What is the relationship between
folders and directories?
Some people believe that Windows 95
renamed directories to folders, but
it's actually ...
Classpath including JAR within a JAR
...ge?
– Thomas Weller
Aug 31 '15 at 9:51
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jQuery document.createElement equivalent?
... =(
– Erik Escobedo
Jul 7 '10 at 15:51
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