... know if there's a better solution to parse a number from a character in a string (assuming that we know that the character at index n is a number). ...

...、换行、注释等，可以在经常使用的ide上安装相关格式化插件） 是否涉及动态资源 是否有申请动态内存，文件描述符等，执行完是否有正确释放？指针等操作是否规范？ 性能如何 是否有一些执行耗时的操作，I/O，网...

In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way? ...

How do you convert an int (integer) to a string? I'm trying to make a function that converts the data of a struct into a string to save it in a file. ...

...de <limits.h> # include <stdio.h> # include <stdlib.h> # include <string.h> # include <stdarg.h> #else # include <cctype> # include <climits> # include <cstdio> # include <cstdlib> # include <cstring> # include <cstdarg> #endif /* TODO: intern strings instead o...

My program will take arbitrary strings from the internet and use them for file names. Is there a simple way to remove the bad characters from these strings or do I need to write a custom function for this? ...

Can anyone beat the performance of my integer to std::string code, linked below? 13 Answers ...

...ually add any columns to the table that is the "one". The Customer has no extra columns which describe the relationship with Order. In fact the Customer might also have a one-to-many relationship with ShippingAddress and SalesCall tables and yet have no additional columns added to the Customer tab...

...: 'initializing' : cannot convert from 'char *' to 'const class std::basic_string *'error C2440: 'initializing' : cannot convert from 'char *' to 'const class std::basic_string<char,...error C2440: 'initializing' : cannot convert from 'char *' to 'const class std::basic_string<char,struct std::char_...

I have String name = "admin"; then I do String charValue = name.substring(0,1); //charValue="a" 22 Answers ...