大约有 15,000 项符合查询结果（耗时：0.0276秒） [XML]
Incrementing a date in JavaScript
...;
snippet.log("Last day of 2015: " + lastDayOf2015.toISOString());
var nextDay = new Date(+lastDayOf2015);
var dateValue = nextDay.getDate() + 1;
snippet.log("Setting the 'date' part to " + dateValue);
nextDay.setDate(dateValue);
snippet.log("Resulting date: " + nextDay.toISOString());
<!-...
How to convert a negative number to positive?
...
There's also max(n, -n) (just another alternative :)
– tzot
Nov 2 '10 at 18:18
8
...
Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
...ervices (IIS) application. You can employ SimpleWorkerRequest directly or extend it.
Also, if you look at the MSDN documentation for the System.Web.Hosting namespace (SimpleWorkerRequest is in this namespace), you will also see something similar to the above (again, emphasis is mine):
The Sys...
Git Clone: Just the files, please?
... the first level:
git archive --remote=<repository URL> | tar -t --exclude="*/*"
To list only first-level folders of a remote repo:
git archive --remote=<repository URL> | tar -t --exclude="*/*" | grep "/"
Note: that does not work for GitHub (not supported)
So you would need to cl...
How to identify server IP address in PHP
...No. On some shared hosts this returns ::1
– TheRealChx101
Aug 2 '14 at 6:18
3
This could be incor...
Should I use px or rem value units in my CSS? [closed]
...
TL;DR: use px.
The Facts
First, it's extremely important to know that per spec, the CSS px unit does not equal one physical display pixel. This has always been true – even in the 1996 CSS 1 spec.
CSS defines the reference pixel, w...
Does Ruby regular expression have a not match operator like “!~” in Perl?
I just want to know whether ruby regex has a not match operator just like !~ in perl. I feel it's inconvenient to use (?!xxx) or (?<!xxxx) because you cannot use regex patterns in the xxx part.
...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...b, .drop=FALSE) %>%
summarise(count_a=length(a))
#> # A tibble: 3 x 2
#> b count_a
#> <fct> <int>
#> 1 1 6
#> 2 2 6
#> 3 3 0
One additional note to go with @Moody_Mudskipper's answer: Using .drop=FALSE can give potentially...
Differences between contentType and dataType in jQuery ajax function
...
From the documentation:
contentType (default: 'application/x-www-form-urlencoded; charset=UTF-8')
Type: String
When sending data to the server, use this content type. Default is "application/x-www-form-urlencoded; charset=UTF-8", which is fine for most cases. If you explicitly pass i...
Why '&&' and not '&'?
...eaning that the evaluation is canceled as soon as the result is clear.
Example:
if(CanExecute() && CanSave())
{
}
If CanExecute returns false, the complete expression will be false, regardless of the return value of CanSave. Because of this, CanSave is not executed.
This is very handy...