大约有 41,000 项符合查询结果（耗时：0.0457秒） [XML]
Is there a method for String conversion to Title Case?
...StringBuilder(input.length());
boolean nextTitleCase = true;
for (char c : input.toCharArray()) {
if (Character.isSpaceChar(c)) {
nextTitleCase = true;
} else if (nextTitleCase) {
c = Character.toTitleCase(c);
nextTitleCase = false;
...
Java `final` method: what does it promise?
...lass.
Reliability and Contract -- Objects are composed of primitives (int, char, double, etc.) and/or other Objects. Not all operations applicable to those components should be applicable or even logical when they are used in the bigger Object. Methods with the final modifier can be used to ensure t...
What is the printf format specifier for bool?
...
@HelloGoodbye, passing a single char * to printf() is considered bad practice because it's really supposed to be a format string, and an unescaped percent sign might cause your program to blow up (see here for more). Thus, printf("%s", ...) is safer. If you...
Is a colon `:` safe for friendly-URL use?
...pretty fresh in my mind.
http://site/gwturl#user:45/comments
All the characters in the fragment part (user:45/comments) are perfectly legal for RFC 3986 URIs.
The relevant parts of the ABNF:
fragment = *( pchar / "/" / "?" )
pchar = unreserved / pct-encoded / sub-delims / ":" / ...
Getting the closest string match
...splits Text into an array of substrings, each substring
' delimited by any character in DelimChars. Only a single character
' may be a delimiter between two substrings, but DelimChars may
' contain any number of delimiter characters. It returns a single element
' array containing all of text if Deli...
Can I call a base class's virtual function if I'm overriding it?
...
This is a better answer than the selected one. Thanks.
– Mad Physicist
Oct 17 '14 at 20:41
...
Get Android Device Name [duplicate]
... s) {
if (s == null || s.length() == 0) {
return "";
}
char first = s.charAt(0);
if (Character.isUpperCase(first)) {
return s;
} else {
return Character.toUpperCase(first) + s.substring(1);
}
}
...
multiple prints on the same line in Python
...
You should use backspace '\r' or ('\x08') char to go back on previous position in console output
Python 2+:
import time
import sys
def backspace(n):
sys.stdout.write((b'\x08' * n).decode()) # use \x08 char to go back
for i in range(101): ...
scp (secure copy) to ec2 instance without password
...
scp -i ~/.ssh/key.pem ec2-user@ip:/home/ec2-user/file-to-copy.txt .
The file name shouldnt be between the pem file and the ec2-user string - that doesnt work. This also allows you to reserve the name of the copied file.
...
Objective-C and Swift URL encoding
...
To escape the characters you want is a little more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHo...