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how to get the last character of a string?
How to get the last character of the string:
12 Answers
12
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Exotic architectures the standards committees care about
...implementation-defined just because if there is an architecture with other characteristics, it would be very difficult or impossible to write a standard conforming compiler for it.
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Difference between BYTE and CHAR in column datatypes
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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...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...lo"); /* printf() returns the number of
characters successfully printed by it
*/
}
int World()
{
return printf("World !");
}
int main()
{
int a = Hello() + World(); //might print Hello World! or World! Hell...
clang: how to list supported target architectures?
...o list which architectures a given clang binary supports, and even running strings on it doesn't really help. Clang is essentially just a C to LLVM translator, and it's LLVM itself that deals with the nitty-gritty of generating actual machine code, so it's not entirely surprising that Clang isn't pa...
How to convert int to QString?
Is there a QString function which takes an int and outputs it as a QString ?
8 Answers
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Scalar vs. primitive data type - are they the same thing?
... structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar" is used in contexts where the relevant distinction is between single/simple/atomic values and compound values.
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C++ templates that accept only certain types
...le parenthesis is necessary is that BOOST_STATIC_ASSERT is a macro and the extra parenthesis prevent the preprocessor from interpreting the comma within the is_base_of function arguments as a 2nd macro argument.
– jfritz42
Aug 13 '15 at 19:29
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How to convert hex to rgb using Java?
...@param colorStr e.g. "#FFFFFF"
* @return
*/
public static Color hex2Rgb(String colorStr) {
return new Color(
Integer.valueOf( colorStr.substring( 1, 3 ), 16 ),
Integer.valueOf( colorStr.substring( 3, 5 ), 16 ),
Integer.valueOf( colorStr.substring( 5, 7 ), 1...
Default template arguments for function templates
... I proved with the following code:
#include <iostream>
#include <string>
#include <sstream>
#include <ctype.h>
template <typename T> T prettify(T t) { return t; }
std::string prettify(char c) {
std::stringstream ss;
if (isprint((unsigned char)c)) {
ss...