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How to capitalize the first letter in a String in Ruby
...ия.
If you're using Rails there's an easy workaround:
"мария".mb_chars.capitalize.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll have to install the unicode gem and use it like this:
require 'unicode'
Unicode::capitalize("мария") #=> Мария
Ruby 1.8:
Be sure t...
Catch Ctrl-C in C
... (1)
pause();
return 0;
}
void INThandler(int sig)
{
char c;
signal(sig, SIG_IGN);
printf("OUCH, did you hit Ctrl-C?\n"
"Do you really want to quit? [y/n] ");
c = getchar();
if (c == 'y' || c == 'Y')
exit(0);
else
signa...
Simple (non-secure) hash function for JavaScript? [duplicate]
... that, when passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD5, SHA1, etc. It doesn't have to be cryptographically secure, just reasonably resistant to collisions. (My initial use case is URLs, but I'll probably want to use ...
Remove leading and trailing spaces?
...e noted that strip() method would trim any leading and trailing whitespace characters from the string (if there is no passed-in argument). If you want to trim space character(s), while keeping the others (like newline), this answer might be helpful:
sample = ' some string\n'
sample_modified = samp...
How big can a user agent string get?
... msdn.microsoft.com/en-us/library/ms187993(v=sql.90).aspx Instead, use NVARCHAR(MAX). Source: stackoverflow.com/questions/564755/…
– Matt Roy
Aug 14 '13 at 14:54
3
...
Can overridden methods differ in return type?
... class Alpha {
Alpha doStuff(char c) {
return new Alpha();
}
}
class Beta extends Alpha {
Beta doStuff(char c) { // legal override in Java 1.5
return new Beta...
STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...写测试代码定义一个结构体来试试：[cpp]view plaincopystructa{char*pName;intm_a;} 引言
STL的map容器中，key的类型是不是随意的呢？
实践
编写测试代码
定义一个结构体来试试：
struct a
{
char* pName;
int m_a;
};
...
map<a, i...
Move capture in lambda
...t;type_traits>
#include <functional>
namespace detail
{
enum selection_enabler { enabled };
}
#define ENABLE_IF(...) std::enable_if_t<(__VA_ARGS__), ::detail::selection_enabler> \
= ::detail::enabled
// This allows forwarding an object using the copy c...
Safe String to BigDecimal conversion
...le locale)
{
final DecimalFormatSymbols symbols;
final char groupSeparatorChar;
final String groupSeparator;
final char decimalSeparatorChar;
final String decimalSeparator;
String ...
Calculating Distance between two Latitude and Longitude GeoCoordinates
...atic double DistanceTo(double lat1, double lon1, double lat2, double lon2, char unit = 'K')
{
double rlat1 = Math.PI*lat1/180;
double rlat2 = Math.PI*lat2/180;
double theta = lon1 - lon2;
double rtheta = Math.PI*theta/180;
double dist =
Math.Sin(rlat1)*Math.Sin(rlat2) + M...