大约有 45,000 项符合查询结果（耗时：0.0341秒） [XML]
How to parse a string to an int in C++?
What's the C++ way of parsing a string (given as char *) into an int? Robust and clear error handling is a plus (instead of returning zero ).
...
Simple way to repeat a String in java
...e is the shortest version (Java 1.5+ required):
repeated = new String(new char[n]).replace("\0", s);
Where n is the number of times you want to repeat the string and s is the string to repeat.
No imports or libraries needed.
...
Get the IP address of the machine
... <string.h>
#include <arpa/inet.h>
int main (int argc, const char * argv[]) {
struct ifaddrs * ifAddrStruct=NULL;
struct ifaddrs * ifa=NULL;
void * tmpAddrPtr=NULL;
getifaddrs(&ifAddrStruct);
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
...
Writing Unicode text to a text file?
...ltin open()) on Python 3:
import io
with io.open(filename, 'w', encoding=character_encoding) as file:
file.write(unicode_text)
It might be more convenient if you need to write the text incrementally (you don't need to call unicode_text.encode(character_encoding) multiple times). Unlike codec...
How to use icons and symbols from “Font Awesome” on Native Android Application
...llowing:
Copied fontawesome-webfont.ttf into my assests folder
Found the character entities for icons I wanted, using this page: http://fortawesome.github.io/Font-Awesome/cheatsheet/
Created an entry in strings.xml for each icon. Eg for a heart:
<string name="icon_heart">&#xf004;</s...
Insert spaces between words on a camel-cased token [duplicate]
...e Stuff And Sell It (IIRC).
Syntax explanation (credit):
{Ll} is Unicode Character Category "Letter lowercase" (as opposed to {Lu} "Letter uppercase"). P is a negative match, while p is a positive match, so \P{Ll} is literally "Not lowercase" and p{Ll} is "Lowercase".
So this regex splits on two p...
How do I initialize a byte array in Java?
...;
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
If you let CDRIVES static and final, the performance drop is irrelevant.
...
How do I replace a character at a particular index in JavaScript?
I have a string, let's say Hello world and I need to replace the char at index 3. How can I replace a char by specifying a index?
...
How do I split a string into an array of characters? [duplicate]
I want to string.split a word into array of characters.
8 Answers
8
...
How to add leading zeros?
...
Note that sprintf converts numeric to string (character).
– aL3xa
Apr 28 '11 at 8:54
Than...