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What exactly does stringstream do?
... answered Dec 15 '13 at 13:28
richard.grichard.g
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...
What is the type of lambda when deduced with “auto” in C++11?
...ually make use of __PRETTY_FUNCTION__, as in template<class T> const char* pretty(T && t) { return __PRETTY_FUNCTION__; }, and strip off the extra if it starts to get crowded. I prefer to see the steps shown in template substitution. If you're missing __PRETTY_FUNCTION__, there are alt...
Javascript calculate the day of the year (1 - 366)
...g 10 * 3 bits (30 bits is less than 31 bits, so we can safely save another character on the bitshift instead of >>>)).
Note that neither month or day may be 0. That means that if you need this equation just for the current day (feeding it using .getMonth()) you just need to remove the -- f...
Reading/writing an INI file
...bly.GetExecutingAssembly().GetName().Name;
[DllImport("kernel32", CharSet = CharSet.Unicode)]
static extern long WritePrivateProfileString(string Section, string Key, string Value, string FilePath);
[DllImport("kernel32", CharSet = CharSet.Unicode)]
static extern in...
Thread pooling in C++11
...or <ctpl_stl.h> if ou do not have Boost library
int main (int argc, char *argv[]) {
ctpl::thread_pool p(2 /* two threads in the pool */);
int arr[4] = {0};
std::vector<std::future<void>> results(4);
for (int i = 0; i < 8; ++i) { // for 8 iterations,
for ...
How to get current path with query string using Capybara
..._uri is more succinct. See @Lasse Bunk's answer.
– Richard Jones
Nov 27 '13 at 1:16
As of Capybara 2.5, this is no lon...
Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
...d strings:
Spanned , SpannedString , Spannable , SpannableString and CharSequence .
2 Answers
...
C++ templates that accept only certain types
...that the compiler allows these, and then declare a variable my_template<char> z; and verify that it doesn't.
– j_random_hacker
Nov 16 '17 at 16:20
...
C++ preprocessor __VA_ARGS__ number of arguments
...VA_ARGS__), __VA_ARGS__))
void sum(int numargs, ...);
int main(int argc, char *argv[]) {
SUM(1);
SUM(1, 2);
SUM(1, 2, 3);
SUM(1, 2, 3, 4);
return 1;
}
void sum(int numargs, ...) {
int total = 0;
va_list ap;
printf("sum() called with %d params:", numargs);
...
How to print binary tree diagram?
...line.size(); j++) {
// split node
char c = ' ';
if (j % 2 == 1) {
if (line.get(j - 1) != null) {
c = (line.get(j) != null) ? '┴' : '┘';
} else {
...