大约有 40,200 项符合查询结果（耗时：0.0642秒） [XML]
How to check if bootstrap modal is open, so i can use jquery validate
...e can use:
($("element").data('bs.modal') || {})._isShown // Bootstrap 4
($("element").data('bs.modal') || {}).isShown // Bootstrap <= 3
as discussed in Twitter Bootstrap Modal - IsShown.
When the modal is not yet opened, .data('bs.modal') returns undefined, hence the || {} - which wil...
Convert column classes in data.table
...tor w/ 2 levels "A","B": 1 1 1 1 1 2 2 2 2 2
$ Quarter: chr "1" "2" "3" "4" ...
$ value : num -0.838 0.146 -1.059 -1.197 0.282 ...
Using lapply and as.character:
dtnew <- dt[, lapply(.SD, as.character), by=ID]
str(dtnew)
Classes ‘data.table’ and 'data.frame': 10 obs. of 3 variabl...
What is going wrong when Visual Studio tells me “xcopy exited with code 4”
...
Xcopy exit code 4 means "Initialization error occurred. There is not enough memory or disk space, or you entered an invalid drive name or invalid syntax on the command line."
It looks like Visual Studio is supplying invalid arguments to xco...
android studio 0.4.2: Gradle project sync failed error
After updating to 0.4.2 I get this error when opening a project:
'Gradle project sync failed. Basic functionality (e.g. editing, debugging) will not work proprerly'
...
How to “add existing frameworks” in Xcode 4?
...
|
edited Jun 4 '14 at 6:16
community wiki
...
Designer Added then removed by Visual Studio on load/unload
...ls/757970/…
– Pat
Dec 19 '13 at 5:40
4
It's VS2015, and yet this still occurs.
...
Iterate through pairs of items in a Python list [duplicate]
...
94
From itertools receipes:
from itertools import tee
def pairwise(iterable):
"s -> (s0,s1)...
Maximum length for MySQL type text
... (255 Bytes)
BLOB, TEXT L + 2 bytes, where L < 2^16 (64 Kilobytes)
MEDIUMBLOB, MEDIUMTEXT L + 3 bytes, where L < 2^24 (16 Megabytes)
LONGBLOB, LONGTEXT L + 4 bytes, where L < 2^32 (4 Gigabytes)
L is the number of bytes in your text field. So the maximum numbe...
Add support library to Android Studio project
...
54
I no longer work on Android project for a while.
Although the below provides some clue to how a...
How to get unique values in an array
...rr.push(this[i]);
}
}
return arr;
}
var duplicates = [1, 3, 4, 2, 1, 2, 3, 8];
var uniques = duplicates.unique(); // result = [1,3,4,2,8]
console.log(uniques);
For more reliability, you can replace contains with MDN's indexOf shim and check if each element's indexOf is equa...