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Best way to create unique token in Rails?
...s Railscast on beta invitations. This produces a 40 character alphanumeric string.
Digest::SHA1.hexdigest([Time.now, rand].join)
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How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
...
Simple C example of doing an HTTP POST and consuming the response
...s have \r\n at the end.
A URL has the form of http://host:port/path?query_string
There are two main ways of submitting a request to a website:
GET: The query string is optional but, if specified, must be reasonably short. Because of this the header could just be the GET command and nothing else....
How to send a simple string between two programs using pipes?
...********/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
int main(void)
{
int fd[2], nbytes;
pid_t childpid;
char string[] = "Hello, world!\n";
char readbuffer[80];
...
Regarding 'main(int argc, char *argv[])' [duplicate]
...t wrong than the minimum possible value of argc is 1 and argv[0] holds the string ./mymainprogram whereas argv[1] is NULL. My questions are- 1: What is the maximum value that argc can hold? 2: What are these strings that are added to the argv[]?
– phougatv
Ja...
Strings as Primary Keys in SQL Database [closed]
... slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
15 Ans...
When should I use double or single quotes in JavaScript?
...API consistency. Other than being consistent, use whichever best suits the string.
Using the other type of quote as a literal:
alert('Say "Hello"');
alert("Say 'Hello'");
This can get complicated:
alert("It's \"game\" time.");
alert('It\'s "game" time.');
Another option, new in ECMAScript 6, is t...
How do I remove diacritics (accents) from a string in .NET?
I'm trying to convert some strings that are in French Canadian and basically, I'd like to be able to take out the French accent marks in the letters while keeping the letter. (E.g. convert é to e , so crème brûlée would become creme brulee )
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SQL Server: Make all UPPER case to Proper Case/Title Case
... = 1, @i = 1, @Ret = '';
while (@i <= len(@Text))
select @c = substring(@Text, @i, 1),
@Ret = @Ret + case when @Reset = 1 then UPPER(@c) else LOWER(@c) end,
@Reset = case when @c like '[a-zA-Z]' then 0 else 1 end,
@i = @i + 1
return @Ret
end
You will still have to use...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
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MessageBuffer.cpp
//MessageBuffer.cpp
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <pthread.h>
#include "MessageBuffer.h"
MessageBuffer::MessageBuffer() {
toStop = false;
pthread_mutex_init(&mutex,NULL);//初始化互斥量
pthread_cond_init(&condition,NULL)...