大约有 16,000 项符合查询结果（耗时：0.0275秒） [XML]
How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
How do I implement the following (Python pseudocode) in C++?
21 Answers
21
...
Why use def main()? [duplicate]
... required to write it exactly like that. A neat variation could be:
import sys
def main(argv):
# My code here
pass
if __name__ == "__main__":
main(sys.argv)
This means you can call main() from other scripts (or interactive shell) passing custom parameters. This might be useful in unit...
Java ByteBuffer to String
Is this a correct approach to convert ByteBuffer to String in this way,
10 Answers
10
...
Pass an array of integers to ASP.NET Web API?
...s TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string." an int[] is not a simple type.
– Tr1stan
Aug 6 '15 at 13:03
...
Find current directory and file's directory [duplicate]
...h string or bytes objects, and did not support Path objects, so you had to convert Path objects to strings or use Path.open() method, but the latter option required you to change old code:
$ cat scripts/2.py
from pathlib import Path
p = Path(__file__).resolve()
with p.open() as f: pass
with open(...
How to convert an Stream into a byte[] in C#? [duplicate]
Is there a simple way or method to convert an Stream into a byte[] in C#?
12 Answers
...
Creating Unicode character from its number
...
Just cast your int to a char. You can convert that to a String using Character.toString():
String s = Character.toString((char)c);
EDIT:
Just remember that the escape sequences in Java source code (the \u bits) are in HEX, so if you're trying to reproduce an ...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...
Set default encoder at the top of your code
import sys
reload(sys)
sys.setdefaultencoding("ISO-8859-1")
How can I convert JSON to a HashMap using Gson?
...
what if I need to convert string which is actually a array
– Ravi Yadav
Nov 15 '19 at 13:50
|
...
Is 'float a = 3.0;' a correct statement?
...It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specifically, consider:
float foo(float x) { return x * 0.42; }
H...