大约有 13,300 项符合查询结果（耗时：0.0284秒） [XML]
Avoid trailing zeroes in printf()
...ormat specifiers. The closest you could get would be:
printf("%.6g", 359.013); // 359.013
printf("%.6g", 359.01); // 359.01
but the ".6" is the total numeric width so
printf("%.6g", 3.01357); // 3.01357
breaks it.
What you can do is to sprintf("%.20g") the number to a string buffer then man...
Sort array of objects by single key with date value
... use Array.sort.
Here's an example:
var arr = [{
"updated_at": "2012-01-01T06:25:24Z",
"foo": "bar"
},
{
"updated_at": "2012-01-09T11:25:13Z",
"foo": "bar"
},
{
"updated_at": "2012-01-05T04:13:24Z",
"foo": "bar"
}
]
arr.sort(function(a, b) {
v...
What is more efficient? Using pow to square or just multiply it with itself?
... cout << "\n" << x << "\n";
}
Results are:
1 00:00:01.126008 00:00:01.128338
2 00:00:01.125832 00:00:01.127227
3 00:00:01.125563 00:00:01.126590
4 00:00:01.126289 00:00:01.126086
5 00:00:01.126570 00:00:01.125930
2.45829e+54
Note that I accumulate the result of every p...
How do I query for all dates greater than a certain date in SQL Server?
...
select *
from dbo.March2010 A
where A.Date >= Convert(datetime, '2010-04-01' )
In your query, 2010-4-01 is treated as a mathematical expression, so in essence it read
select *
from dbo.March2010 A
where A.Date >= 2005;
(2010 minus 4...
Can pandas automatically recognize dates?
...
Note that if your dates are in ISO 8601 format you should not pass infer_datetime_format or a parser function - it's much slower than letting pandas handle it (especially the latter). The dateformat in this answer falls into this category also
...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...ive number, which these systems will interpret as a time in December 13, 1901 rather than in 2038. This is due to the fact that the number of seconds since the UNIX epoch (January 1 1970 00:00:00 GMT) will have exceeded a computer's maximum value for a 32-bit signed integer.
How do we solve it?
...
Difference between DateTime and Time in Ruby
...:14:07 -0500 2038
Time.at(-0x7FFFFFFF)
# => Fri Dec 13 15:45:53 -0500 1901
Newer versions of Ruby are able to handle larger values without producing errors.
DateTime is a calendar-based approach where the year, month, day, hour, minute and second are stored individually. This is a Ruby on Rail...
How to draw a path on a map using kml file?
...os
* @param color Color in which to draw the lines
* @param mMapView01 Map view to draw onto
*/
public void drawPath(NavigationDataSet navSet, int color, MapView mMapView01) {
Log.d(myapp.APP, "map color before: " + color);
// color correction for dining, make it darker
...
Is putting a div inside an anchor ever correct?
...re is no interactive content within (e.g. buttons or other links)".
HTML 4.01 specifies that <a> elements may only contain inline elements. A <div> is a block element, so it may not appear inside an <a>.
Of course you are at liberty to style an inline element such that it appears ...
What is the `zero` value for time.Time in Go?
...e following print statement:
fmt.Println(time.Time{})
The output is:
0001-01-01 00:00:00 +0000 UTC
For the sake of completeness, the official documentation explicitly states:
The zero value of type Time is January 1, year 1, 00:00:00.000000000 UTC.
...