大约有 40,000 项符合查询结果（耗时：0.0491秒） [XML]
Interview question: Check if one string is a rotation of other string [closed]
...
@Jon Concentrate on s1+s1. Clearly, all of its substrings with size s1.length are rotations of s1, by construction. Therefore, any string of size s1.length that is a substring of s1+s1 must be a rotation of s1.
– Daniel C. Sobral
...
How to do two-way filtering in AngularJS?
...ion? Isn't that just a generic controller for the directive that has basically nothing to do with the ngModel attribute? (Still learning angular here so I could be totally wrong.)
– Drew Miller
Dec 17 '12 at 1:52
...
NOT IN vs NOT EXISTS
...be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway.
When neither Products...
Test a weekly cron job [closed]
...
This really shouldn't have been upvoted and accepted, beyond running the script it does nothing to tell you whether the script will actually work when run from cron. Use the excellent crontest script in one of the other answers to t...
Count number of objects in list [closed]
...'s put some stuff in it - 3 components/indexes/tags (whatever you want to call it) each with differing amounts of elements:
> mylist <- list(record1=c(1:10),record2=c(1:5),record3=c(1:2))
If you are interested in just the number of components in a list use:
> length(mylist)
[1] 3
...
Convert List into Comma-Separated String
..., 4, 5 })
String.Join will take a list as a the second parameter and join all of the elements using the string passed as the first parameter into one single string.
share
|
improve this answer
...
Parsing JSON with Unix tools
...
There are a number of tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq:
curl -s 'https://api.github.com/users/lambda' | jq -r '.name'
You can...
CA2202, how to solve this case
Can anybody tell me how to remove all CA2202 warnings from the following code?
12 Answers
...
Protected in Interfaces
Why are all methods in an interface definition implicitly public ? Why does it not allow a protected method?
13 Answer...
What's the difference between .so, .la and .a library files?
...t in memory). But what is the difference between .a and .la ? Are these all static libraries?
1 Answer
...