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Where is the itoa function in Linux?

...nclude <stdio.h> #include <stdlib.h> int main () { int i; char buffer [33]; printf ("Enter a number: "); scanf ("%d",&i); itoa (i,buffer,10); printf ("decimal: %s\n",buffer); itoa (i,buffer,16); printf ("hexadecimal: %s\n",buffer); itoa (i,buffer,2); printf ("bin...
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iterating over each character of a String in ruby 1.8.6 (each_char)

I am new to ruby and currently trying to operate on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like: ...
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string.Join on a List or other type

...le<T>) If you can't upgrade, you can achieve the same effect using Select and ToArray. return string.Join(",", a.Select(x => x.ToString()).ToArray()); share | improve this answer ...
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What data type to use for hashed password field and what length?

...h = password_hash("rasmuslerdorf", PASSWORD_DEFAULT); The result is a 60-character string similar to the following (but the digits will vary, because it generates a unique salt). $2y$10$.vGA1O9wmRjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a Use the SQL data type CHAR(60) to store this encoding o...
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Difference between BYTE and CHAR in column datatypes

... Let us assume the database character set is UTF-8, which is the recommended setting in recent versions of Oracle. In this case, some characters take more than 1 byte to store in the database. If you define the field as VARCHAR2(11 BYTE), Oracle can us...
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How do I tokenize a string in C++?

...enizer.hpp> using namespace std; using namespace boost; int main(int, char**) { string text = "token, test string"; char_separator<char> sep(", "); tokenizer< char_separator<char> > tokens(text, sep); BOOST_FOREACH (const string& t, tokens) { cou...
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How can I validate a string to only allow alphanumeric characters in it?

...n I validate a string using Regular Expressions to only allow alphanumeric characters in it? 10 Answers ...
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Convert character to ASCII numeric value in java

I have String name = "admin"; then I do String charValue = name.substring(0,1); //charValue="a" 22 Answers ...
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strdup() - what does it do in C?

...'s a POSIX thing), it's effectively doing the same as the following code: char *strdup(const char *src) { char *dst = malloc(strlen (src) + 1); // Space for length plus nul if (dst == NULL) return NULL; // No memory strcpy(dst, src); // Copy the characters...
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How to make vim paste from (and copy to) system's clipboard?

...system clipboard. On X11 systems both registers can be used. See :help x11-selection for more details, but basically the "* is analogous to X11's _PRIMARY_ selection (which usually copies things you select with the mouse and pastes with the middle mouse button) and "+ is analogous to X11's _CLIPBOAR...