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How do I concatenate multiple C++ strings on one line?
...jor advantage of append is that it also works when the strings contain NUL characters.
– John S.
Mar 25 '18 at 15:35
...
What does the restrict keyword mean in C++?
... saved, as mentioned by supercat and michael.
Consider for example:
void f(char *restrict p1, char *restrict p2, size_t size) {
for (size_t i = 0; i < size; i++) {
p1[i] = 4;
p2[i] = 9;
}
}
Because of restrict, a smart compiler (or human), could optimize that to:
mem...
What's the best way to build a string of delimited items in Java?
...lar to the one you refer to in Ruby:
StringUtils.join(java.lang.Iterable,char)
Java 8:
Java 8 provides joining out of the box via StringJoiner and String.join(). The snippets below show how you can use them:
StringJoiner
StringJoiner joiner = new StringJoiner(",");
joiner.add("01").add("02")...
What is the max size of localStorage values?
... Doesn't crash Chrome anymore... Interesting point: 5MB equals 2.5 Million chars on Chrome. So apparently, UFT16 is used for localStore.
– Felix Alcala
Sep 3 '11 at 17:10
1
...
Getting the closest string match
...splits Text into an array of substrings, each substring
' delimited by any character in DelimChars. Only a single character
' may be a delimiter between two substrings, but DelimChars may
' contain any number of delimiter characters. It returns a single element
' array containing all of text if Deli...
Why does C++11 not support designated initializer lists as C99? [closed]
...urmountable problems with this approach; given:
struct X {
int c;
char a;
float b;
};
What order would these functions be called in in c99: struct X foo = {.a = (char)f(), .b = g(), .c = h()}? Surprisingly, in c99:
The order of evaluation of the subexpressions in any initializer i...
What is the printf format specifier for bool?
...
@HelloGoodbye, passing a single char * to printf() is considered bad practice because it's really supposed to be a format string, and an unescaped percent sign might cause your program to blow up (see here for more). Thus, printf("%s", ...) is safer. If you...
What is the curiously recurring template pattern (CRTP)?
...ter
{
public:
Writer() { }
~Writer() { }
void write(const char* str) const
{
static_cast<const T*>(this)->writeImpl(str); //here the magic is!!!
}
};
class FileWriter : public Writer<FileWriter>
{
public:
FileWriter(FILE* aFile) { mFile = aFile; ...
How can I limit possible inputs in a HTML5 “number” element?
...
@Prasad - If Andy's answer is correct, select it, instead of the most up voted one.
– Moshe
Dec 4 '11 at 14:47
81
...
SVG get text element width
...a try. I decided to generate constant values for each individual printable character. Normally this would be kind of tedious, but luckily Firefox happens to be super accurate. Here is my two part brute force solution:
<body>
<script>
var div = doc...