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Where is the itoa function in Linux?
itoa() is a really handy function to convert a number to a string. Linux does not seem to have itoa() , is there an equivalent function or do I have to use sprintf(str, "%d", num) ?
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Generate class from database table
... 'byte[]'
when 'bit' then 'bool'
when 'char' then 'string'
when 'date' then 'DateTime'
when 'datetime' then 'DateTime'
when 'datetime2' then 'DateTime'
when 'datetimeoffset' then 'DateTimeOffset'
when 'decimal' then ...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...eversed bits of v; first get LSB of v
int s = sizeof(v) * CHAR_BIT - 1; // extra shift needed at end
for (v >>= 1; v; v >>= 1)
{
r <<= 1;
r |= v & 1;
s--;
}
r <<= s; // shift when v's highest bits are zero
Faster (32-bit processor)
unsigned char b = x;
b = ((...
In C, how should I read a text file and print all strings
...lib.h>
char* ReadFile(char *filename)
{
char *buffer = NULL;
int string_size, read_size;
FILE *handler = fopen(filename, "r");
if (handler)
{
// Seek the last byte of the file
fseek(handler, 0, SEEK_END);
// Offset from the first to the last byte, or in other...
Add spaces before Capital Letters
Given the string "ThisStringHasNoSpacesButItDoesHaveCapitals" what is the best way to add spaces before the capital letters. So the end string would be "This String Has No Spaces But It Does Have Capitals"
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Are “while(true)” loops so bad? [closed]
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String strLine;
while ((strLine = br.readLine()) != null) {
// do something with the line
}
And the usual C++ convention for reading input is:
#include <iostream>
#include <string>
std::string data;
while(st...
How to upper case every first letter of word in a string? [duplicate]
I have a string: "hello good old world" and i want to upper case every first letter of every word, not the whole string with .toUpperCase(). Is there an existing java helper which does the job?
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Count occurrences of a char in a string using Bash
I need to count the number of occurrences of a char in a string using Bash.
7 Answers
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How would you count occurrences of a string (actually a char) within a string?
...mething where I realised I wanted to count how many / s I could find in a string, and then it struck me, that there were several ways to do it, but couldn't decide on what the best (or easiest) was.
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Is std::vector so much slower than plain arrays?
...peline stages per array accesses. So the vector looks like it is using one extra instruction per accesses.
– Martin York
Sep 8 '10 at 3:25
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