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How do I return multiple values from a function in C?
If I have a function that produces a result int and a result string , how do I return them both from a function?
8 Answe...
Are “while(true)” loops so bad? [closed]
...
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 get enum value by string or int
How can I get the enum value if I have the enum string or enum int value. eg: If i have an enum as follows:
10 Answers
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What's the need of array with zero elements?
...u would use it like this:
struct bts_action *var = kmalloc(sizeof(*var) + extra, GFP_KERNEL);
This used to be not standard and was considered a hack (as Aniket said), but it was standardized in C99. The standard format for it now is:
struct bts_action {
u16 type;
u16 size;
u8 data...
How to replace multiple white spaces with one white space
Let's say I have a string such as:
15 Answers
15
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How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
4...
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 = ((...
Convert char to int in C#
...numeric value type. Use
Parse and TryParse to convert a
character in a string into a Char
object. Use ToString to convert a Char
object to a String object.
http://msdn.microsoft.com/en-us/library/system.char.aspx
s...
How to get ASCII value of string in C#
I want to get the ASCII value of characters in a string in C#.
15 Answers
15
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Replace one substring for another string in shell script
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To replace the first occurrence of a pattern with a given string, use ${parameter/pattern/string}:
#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/$secondString}"
# prints 'I love Sara and Marry'
To replace all occurrences, use ${p...