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What are “connecting characters” in Java identifiers?
...
Here is a list of connecting characters. These are characters used to connect words.
http://www.fileformat.info/info/unicode/category/Pc/list.htm
U+005F _ LOW LINE
U+203F ‿ UNDERTIE
U+2040 ⁀ CHARACTER TIE
U+2054 ⁔ INVERTED UNDERTIE
U+FE33 ︳ PRE...
Differences and relationship between glActiveTexture and glBindTexture
...rent objects, and all of our object manipulation functions are adjusted to select from the current object.
When you change the currently active object, you change the entire set of target locations. So you can bind something that goes into current object 0, switch to current object 4, and will be m...
C default arguments
...Yes. :-) But not in a way you would expect.
int f1(int arg1, double arg2, char* name, char *opt);
int f2(int arg1, double arg2, char* name)
{
return f1(arg1, arg2, name, "Some option");
}
Unfortunately, C doesn't allow you to overload methods so you'd end up with two different functions. Still...
How to read a line from the console in C?
...ction to read your line. However, there seems to be no way to see how many characters it read. So you use fgetc:
char * getline(void) {
char * line = malloc(100), * linep = line;
size_t lenmax = 100, len = lenmax;
int c;
if(line == NULL)
return NULL;
for(;;) {
...
How to prevent gcc optimizing some statements in C?
...ore by using the volatile type qualifier.
// Assuming pageptr is unsigned char * already...
unsigned char *pageptr = ...;
((unsigned char volatile *)pageptr)[0] = pageptr[0];
The volatile type qualifier instructs the compiler to be strict about memory stores and loads. One purpose of volatile is...
“:” (colon) in C struct - what does it mean? [duplicate]
... struct
{
short a : 4;
short b : 3;
} test2;
struct
{
char a : 4;
char b : 3;
} test3;
struct
{
char a : 4;
short b : 3;
} test4;
printf("test1: %d\ntest2: %d\ntest3: %d\ntest4: %d\n", sizeof(test1), sizeof(test2), sizeof(test3), sizeof(test4));
test...
How to know what the 'errno' means?
... threads. MT, in MT-Safe, stands for Multi Thread. -p26, The GNU C Library char * strerror(int errnum ) [Function] Preliminary: | MT-Unsafe race:strerror | AS-Unsafe heap i18n | AC-Unsafe mem | See Section 1.2.2.1 [POSIX Safety Concepts], page 2. -p58, The GNU C Library
– user...
Use tab to indent in textarea
...which;
if (keyCode == 9) {
e.preventDefault();
var start = this.selectionStart;
var end = this.selectionEnd;
// set textarea value to: text before caret + tab + text after caret
$(this).val($(this).val().substring(0, start)
+ "\t"
+ $(this).val...
How to initialize a private static const map in C++?
...edef std::map<std::string, int> MyMap;
struct T {
const char* Name;
int Num;
operator MyMap::value_type() const {
return std::pair<std::string, int>(Name, Num);
}
};
static const T MapPairs[];
static const MyMap TheMap;
};
c...
Remove all special characters with RegExp
...cape it with a backslash like the latter group. if you don't it will also select 0-9 which is probably undesired.
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