大约有 40,000 项符合查询结果（耗时：0.0366秒） [XML]
How to remove duplicate values from a multi-dimensional array in PHP
...
@OIS well just tested it, had a typo but it works.. thanks dude!: $no_duplicates = array_intersect_key( $array , array_unique( array_map('serialize' , $array ) ) );
– trevorkavanaugh
Jun 3 '13 at 20:26...
Expert R users, what's in your .Rprofile? [closed]
... path <- packages[pkg]
}
source(file.path(path, "load.r"))
}
test <- function(path) {
path <- deparse(substitute(path))
source(file.path("~/documents", path, path, "test.r"))
}
share
|
...
java.net.ConnectException: Connection refused
...
I assume she is running them both on the same machine for testing purposes which is why localhost would be fine to use
– S E
Jul 29 '11 at 18:22
...
Detect when an image fails to load in Javascript
...ng code. I can't vouch for browser compatibility though, so you'll have to test that.
function testImage(URL) {
var tester=new Image();
tester.onload=imageFound;
tester.onerror=imageNotFound;
tester.src=URL;
}
function imageFound() {
alert('That image is found and loaded');
}
...
Connect Java to a MySQL database
...:
Connection conn = dataSource.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT ID FROM USERS");
...
rs.close();
stmt.close();
conn.close();
share
|
...
Structs versus classes
...e to stretch. In the meantime "it can be faster both ways, here's why, now test and find out which applies in this case" is useful to be able to say :)
– Jon Hanna
Oct 15 '10 at 15:03
...
Change project name on Android Studio
...otProject.name = 'Your project name'
Edit:
Working in all versions! Last test: Android 3.6.2 Feb 2020.
share
|
improve this answer
|
follow
|
...
Using a dispatch_once singleton model in Swift
... return Static.instance!
}
}
See this GitHub project for unit tests.
share
|
improve this answer
|
follow
|
...
Overload constructor for Scala's Case Classes?
...les inside overloaded constructor? For example: def this(bar: Int) = { val test = 0; this(bar,test) } (this is doesn't work)
– HEX
Oct 15 '13 at 14:52
...
I want to exception handle 'list index out of range.'
...
You have two options; either handle the exception or test the length:
if len(dlist) > 1:
newlist.append(dlist[1])
continue
or
try:
newlist.append(dlist[1])
except IndexError:
pass
continue
Use the first if there often is no second item, the second if th...