大约有 45,000 项符合查询结果（耗时：0.0678秒） [XML]
How can I trim leading and trailing white space?
...read.table you can set the parameterstrip.white=TRUE.
If you want to clean strings afterwards you could use one of these functions:
# Returns string without leading white space
trim.leading <- function (x) sub("^\\s+", "", x)
# Returns string without trailing white space
trim.trailing <- fun...
ArrayList initialization equivalent to array initialization [duplicate]
...s to point to entirely different objects like Arrays.asList(...).set(0,new String("new string")) This code will work and set the first element of the list to the String object with value "new string". And in fact, it writes through to the native array! Definitely not unmodifiable.
...
Scala: Abstract types vs generics
...like this:
// Type parameter version
class MySuite extends FixtureSuite3[StringBuilder, ListBuffer, Stack] with MyHandyFixture {
// ...
}
Whereas with the type member approach it will look like this:
// Type member version
class MySuite extends FixtureSuite3 with MyHandyFixture {
// ......
Injecting Mockito mocks into a Spring bean
...n
given(this.remoteService.someCall()).willReturn("mock");
String reverse = reverser.reverseSomeCall();
assertThat(reverse).isEqualTo("kcom");
}
}
On the other hand, if you're not using Spring Boot or are you using a previous version, you'll have to do a bit more work:...
Regular Expression for alphanumeric and underscores
I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores.
...
jQuery send string as POST parameters
I want to send a string as an ajax Post parameter.
8 Answers
8
...
Python - Check If Word Is In A String
...th Python v2, and I'm trying to find out if you can tell if a word is in a string.
11 Answers
...
How to make an HTTP request + basic auth in Swift
...ike this in Swift 3:
let username = "user"
let password = "pass"
let loginString = String(format: "%@:%@", username, password)
let loginData = loginString.data(using: String.Encoding.utf8)!
let base64LoginString = loginData.base64EncodedString()
// create the request
let url = URL(string: "http://...
How to convert local time string to UTC?
How do I convert a datetime string in local time to a string in UTC time ?
21 Answers
...
How to output a multiline string in Bash?
How can I output a multipline string in Bash without using multiple echo calls like so:
7 Answers
...