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How to check if a String contains only ASCII?
...ue if the character is a letter. But is there a way to quickly find if a String only contains the base characters of ASCII?
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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...ce.h
#ifndef FOOINTERFACE_H_
#define FOOINTERFACE_H_
#include <string>
namespace seamless {
class FooInterface {
public:
virtual ~FooInterface() {}
public:
virtual std::string getArbitraryString() = 0;
};
} // namespace seamless
#endif // FOOINTER...
Extracting substrings in Go
... from the console (including whitespace), then process it. Using bufio.ReadString, the newline character is read together with the input, so I came up with the following code to trim the newline character:
...
How to get my IP address programmatically on iOS/macOS?
...un0"
#define IP_ADDR_IPv4 @"ipv4"
#define IP_ADDR_IPv6 @"ipv6"
- (NSString *)getIPAddress:(BOOL)preferIPv4
{
NSArray *searchArray = preferIPv4 ?
@[ /*IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6,*/ IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6,...
How to count the number of set bits in a 32-bit integer?
...bit elements in a 64-bit integer with a 0x0101010101010101 multiplier, and extract the high byte with >>56. So it doesn't take any extra steps, just wider constants. This is what GCC uses for __builtin_popcountll on x86 systems when the hardware popcnt instruction isn't enabled. If you can ...
How can I split and trim a string into parts all on one line?
...
Try
List<string> parts = line.Split(';').Select(p => p.Trim()).ToList();
FYI, the Foreach method takes an Action (takes T and returns void) for parameter, and your lambda return a string as string.Trim return a string
Foreach...
Concatenate two string literals
...Koenig. He writes that "the new idea is that we can use + to concatenate a string and a string literal - or, for that matter, two strings (but not two string literals).
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How to compare Unicode characters that “look alike”?
...e:
using System;
using System.Text;
class Program
{
static void Main(string[] args)
{
char first = 'μ';
char second = 'µ';
// Technically you only need to normalize U+00B5 to obtain U+03BC, but
// if you're unsure which character is which, you can safely ...
What's the best way to trim std::string?
I'm currently using the following code to right-trim all the std::strings in my programs:
46 Answers
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#include <stdlib.h>
#include <string.h>
struct line {
int length;
char contents[0]; // C99的玩法是：char contents[]; 没有指定数组长度
};
int main(){
int this_length=10;
struct line *thisline = (struct line ...