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Why do we need extern “C”{ #include } in C++?
...
123
C and C++ are superficially similar, but each compiles into a very different set of code. When...
Just what is an IntPtr exactly?
...needed to be used I have simply put null or IntPtr.Zero and found most functions to work. What exactly is it and when/why is it used?
...
How do I prompt for Yes/No/Cancel input in a Linux shell script?
......" 20 60 12 \
Correct "This demo is useful" off \
Fun "This demo is nice" off \
Strong "This demo is complex" on 2>&1 >/dev/tty)
AnsRadio=$($DIALOG --radiolist "I will:" 20 60 12 \
" -1" "Downgrade this answer" ...
How to test multiple variables against a value?
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123
I wouldn't be so quick to go for the set version. Tuple's are very cheap to create and iterate over. On my machine at least, tuples are ...
Why are static variables considered evil?
...r example, instead, you made your variables non-static, and in your main() function you made a single instance of your class, and then asked your class to execute a particular function 10,000 times, once those 10,000 calls were done, and you delete your references to the single instance, all your st...
Difference between classification and clustering in data mining? [closed]
...stand machine learning with a simple analogy of a 2 year old boy. Just for fun, let’s call him Kylo Ren
Let’s assume Kylo Ren saw an elephant. What will his brain tell him ?(Remember he has minimum thinking capacity, even if he is the successor to Vader). His brain will tell him that he saw ...
How to see which commits in one branch aren't in the other?
...
For fun, I worked out that the '...' (symmetrical difference) rev-parse syntax was added in July 2006, and the documentation for it was updated in June 2008. The joy of open source!
– sehe
S...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
... or bonbon. Matching of recursive/balanced structures make these even more fun.
Wikipedia puts this nicely, in a quote by Larry Wall:
'Regular expressions' [...] are only marginally related to real regular expressions. Nevertheless, the term has grown with the capabilities of our pattern matchi...
How to sort in-place using the merge sort algorithm?
...he rest as working area for merging.
For example like the following merge function.
void wmerge(Key* xs, int i, int m, int j, int n, int w) {
while (i < m && j < n)
swap(xs, w++, xs[i] < xs[j] ? i++ : j++);
while (i < m)
swap(xs, w++, i++);
while (...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
...::clog.rdbuf(clogbuf);
}
int main()
{
test();
std::cout << "123";
}
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