大约有 48,000 项符合查询结果（耗时：0.0661秒） [XML]
Get a random item from a JavaScript array [duplicate]
...a way to "scramble" an array, but the question is about getting a randomly selected element from an array. There's a big difference.
– damd
Mar 4 '16 at 15:04
16
...
How do I set GIT_SSL_NO_VERIFY for specific repos only?
...into the local config file by doing a context-specific Settings update and selecting the option to edit local only
– Steve Townsend
Aug 7 '16 at 14:11
add a comment
...
Prevent double curly brace notation from displaying momentarily before angular.js compiles/interpola
...omeroff, but !important is a CSS hack (bad thing) to promote a style to be selected, right? It breaks the CSS selector rules.
– Kevin Meredith
Jan 3 '14 at 2:37
...
Do you get charged for a 'stopped' instance on EC2? [closed]
...s mostly depend on the EC2 type of your choice. Unlike EC2-Classic, if you select EC2-VPC a stopped instance retains its associated Elastic IP addresses when it restarts.
– Chetabahana
Jul 16 '16 at 22:27
...
Can't start site in IIS (use by another process)
...:80 and then watch for that Process Id (PID) in Task Manager with view->select columns-> process id checked. End that process, restart IIS and you are done. (Note: if you have Skype installed, try exiting that process first.)
In a modern Task Manager, you need to go on the Details tab to sear...
Java Serializable Object to Byte Array
...tegrate .jar file by clicking:
FileName -> Open Medule Settings -> Select your module -> Dependencies -> Add Jar file and you are done.
Hope this helps.
share
|
improve this answer
...
How to set input type date's default value to today?
...ing mobile. On Android 4.0.3 (at least) I've had issues where the new date selected via the popup date control is appended to todays date, rather than replaces it. E.g. you can end up with 2013-03-252013-03-27 rather than 2013-03-25, and there's no way for the user to change it.
...
Find document with array that contains a specific value
...
This should be the selected answer. If you are dealing with querying an array of nested documents in MongoDB, this is how you do it. Not sure if it is the most efficient but if that's all you're trying to do, this is all you need.
...
Use a normal link to submit a form
...
just for the record: you should select the appropriate input element using CSS selectors without attaching a class to the HTML element.
– Erik Kaplun
Jul 6 '14 at 13:37
...
Sample random rows in dataframe
...356774 -0.1640883
9 -0.3983045 0.7157506
10 -0.9060305 2.3234110
Then select some rows at random:
> df[sample(nrow(df), 3), ]
X1 X2
9 -0.3983045 0.7157506
2 -1.1334614 -0.1973846
10 -0.9060305 2.3234110
...