大约有 47,000 项符合查询结果（耗时：0.0940秒） [XML]
How to match “any character” in regular expression?
...can. That should work.
. = any char
\. = the actual dot character
.? = .{0,1} = match any char zero or one times
.* = .{0,} = match any char zero or more times
.+ = .{1,} = match any char one or more times
share
...
How to hide soft keyboard on android after clicking outside EditText?
...eSoftInputFromWindow(
activity.getCurrentFocus().getWindowToken(), 0);
}
You can put this up in a utility class, or if you are defining it within an activity, avoid the activity parameter, or call hideSoftKeyboard(this).
The trickiest part is when to call it. You can write a method that i...
java: ArrayList - how can i check if an index exists?
...|
edited May 19 '18 at 8:10
Naveed Ahmad
5,93911 gold badge5050 silver badges7979 bronze badges
answered...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
...on.
Base JavaScript language:
Access characters in strings: 'string'[0] isn’t supported in IE as it’s not in the original JavaScript specifications. Use 'string'.charAt(0) or 'string'.split('')[0] noting that accessing items in arrays is significantly faster than using charAt with strings ...
Format a datetime into a string with milliseconds
...me('%Y-%m-%d %H:%M:%S.%f')[:-3]
>>>> OUTPUT >>>>
2020-05-04 10:18:32.926
Note: For Python3, print requires parentheses:
print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
share
...
tag in Twitter Bootstrap not functioning correctly?
...
140
the css property of <hr> are :
hr {
-moz-border-bottom-colors: none;
-moz-border-imag...
Using braces with dynamic variable names in PHP
...|
edited Feb 13 '12 at 8:50
answered Feb 13 '12 at 8:35
Sar...
How can I position my div at the bottom of its container?
...Assign position:relative to #container, and then position:absolute; bottom:0; to #copyright.
#container {
position: relative;
}
#copyright {
position: absolute;
bottom: 0;
}
<div id="container">
<!-- Other elements here -->
<div id="copyright">
...
How to hide element using Twitter Bootstrap and show it using jQuery?
...
400
The right answer
Bootstrap 4.x
Bootstrap 4.x uses the new .d-none class. Instead of using eit...
In mongoDb, how do you remove an array element by its index?
...ex. In fact, this is an open issue http://jira.mongodb.org/browse/SERVER-1014 , you may vote for it.
The workaround is using $unset and then $pull:
db.lists.update({}, {$unset : {"interests.3" : 1 }})
db.lists.update({}, {$pull : {"interests" : null}})
Update: as mentioned in some of the comme...