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shortcut for creating a Map from a List in groovy?
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120
I've recently came across the need to do exactly that: converting a list into a map. This ques...
How is std::function implemented?
...() {
int value = 5;
typedef std::function<void()> fun;
fun f1 = [=]() mutable { std::cout << value++ << '\n' };
fun f2 = f1;
f1(); // prints 5
fun f3 = f1;
f2(); // prints 5
f3(); // prints 6 (copy aft...
What are the rules for the “…” token in the context of variadic templates?
In C++11 there are variadic templates like this one:
2 Answers
2
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Why can I access private variables in the copy constructor?
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answered Jul 18 '13 at 10:40
Tony DelroyTony Delroy
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Resizing SVG in html?
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185
Open your .svg file with a text editor (it's just XML), and look for something like this at th...
Obfuscated C Code Contest 2006. Please explain sykes2.c
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1824
Let's de-obfuscate it.
Indenting:
main(_) {
_^448 && main(-~_);
putchar(--_...
Fastest way to tell if two files have the same contents in Unix/Linux?
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410
I believe cmp will stop at the first byte difference:
cmp --silent $old $new || echo "files ar...
A Windows equivalent of the Unix tail command [closed]
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137
I'd suggest installing something like GNU Utilities for Win32. It has most favourites, includ...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...Java arrays (which are erroneously covariant):
Object[] arr = new Integer[1];
arr[0] = "Hello, there!";
We just assigned a value of type String to an array of type Integer[]. For reasons which should be obvious, this is bad news. Java's type system actually allows this at compile time. The JVM...
Get a random item from a JavaScript array [duplicate]
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13 Answers
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