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JavaScript private methods
...ion() { // Only visible inside Restaurant()
myPrivateVar = "I can set this here!";
}
this.use_restroom = function() { // use_restroom is visible to all
private_stuff();
}
this.buy_food = function() { // buy_food is visible to all
private_stuff();
}
}...
Cloning a private Github repo
...ly worked on my home desktop, but I just bought a laptop, and am trying to set it up so that I can work on the project from either computer, and push / pull changes.
...
Generating a SHA-256 hash from the Linux command line
I know the string "foobar" generates the SHA-256 hash c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2 using
http://hash.online-convert.com/sha256-generator
...
Build a Basic Python Iterator
...an iterator, and iterators are only supposed to be iterated once. If you reset self.current in __iter__, then a nested loop over the Counter would be completely broken, and all sorts of assumed behaviors of iterators (that calling iter on them is idempotent) are violated. If you want to be able to ...
C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
...元素。通过下面这段程序来认识这两个函数的用法：
#include <iostream>
#include <tuple>
#include <functional>
int main()
{
auto t1 = std::make_tuple(10, "Test", 3.14);
std::cout << "The value of t1 is "
<< "(" << std::get<0>(t1) << ", " << std::ge...
Fade Effect on Link Hover?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Get a specific bit from byte
...ination of bits where both the first bit and second bit in that place were set. Here's the logic matrix of AND logic in a "nibble" that shows the operation of a bitwise AND:
0101
& 0011
----
0001 //Only the last bit is set, because only the last bit of both summands were set
In your cas...
How to make a promise from setTimeout
...function later(delay) {
return new Promise(function(resolve) {
setTimeout(resolve, delay);
});
}
Note that that assumes a version of setTimeout that's compliant with the definition for browsers where setTimeout doesn't pass any arguments to the callback unless you give them after t...
How to git reset --hard a subdirectory?
...would replace both the index and working tree with HEAD content, like an reset --hard would, but for a specific path.
Original answer (2013)
Note (as commented by Dan Fabulich) that:
git checkout -- <path> doesn't do a hard reset: it replaces the working tree contents with the staged co...
what is the unsigned datatype?
...2 §2:
Each list of type specifiers shall be one of the following multisets (delimited by commas, when there is more than one multiset per item); the type specifiers may occur in any order, possibly intermixed with the other declaration specifiers
— void
— char
— signed char
—...