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Erasing elements from a vector
...ex access,
To avoid O(n^2) complexity
you can use two indices, i - current testing index, j - index to
store next item and at the end of the cycle new size of the vector.
code:
void erase(std::vector<int>& v, int num)
{
size_t j = 0;
for (size_t i = 0; i < v.size(); ++i) {
if...
Which is preferred: Nullable.HasValue or Nullable != null?
...t write something positive and clear like HasValue? This is not a grammar test, it's coding, where the key objective is clarity.
– Randy Gamage
Aug 12 '15 at 22:22
4
...
What is the best way to programmatically detect porn images? [closed]
..._percent)
This code measures skin tones in the center of the image. I've tested on 20 relatively tame "porn" images and 20 completely innocent images. It flags 100% of the "porn" and 4 out of the 20 of the clean images. That's a pretty high false positive rate but the script aims to be fairly caut...
Difference between modes a, a+, w, w+, and r+ in built-in open function?
...re out why you would use mode 'w+' versus 'w'. In the end, I just did some testing. I don't see much purpose for mode 'w+', as in both cases, the file is truncated t
Changing the resolution of a VNC session in linux [closed]
... Just to add that it works with Real VNC as a client as well. Tested for version 6.0.3
– Vivek V K
Apr 15 '17 at 3:30
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show 1 ...
Check if a table exists in Rails
...
Confirming this works for Rails 2.3.18-lts (tested with one table present, one missing before running script/console)
– iheggie
Oct 18 '14 at 4:36
...
Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]
...t all in vain, nothing is working in my case. I am using a real device for testing. What's the solution in this case?
– Ram Patra
Feb 12 '15 at 9:51
1
...
ES6 class variable alternatives
... return this.constructor.foo;
}
}
MyClass.foo = 'bar';
I've only tested this with Traceur, but I believe it will work the same in a standard implementation.
JavaScript doesn't really have classes. Even with ES6 we're looking at an object- or prototype-based language rather than a class-ba...
How to make inline functions in C#
... creating an anonymous function.
Here's some really simple code I used to test this (VS2015):
static void Main(string[] args)
{
Func<int, int> incr = a => a + 1;
Console.WriteLine($"P1 = {incr(5)}");
}
What does the compiler generate? I used a nifty tool cal...
Passing an Array as Arguments, not an Array, in PHP
...
As per CarlosCarucce's comment, this form of argument unpacking is the fastest method by far in all cases. In some comparisons, it's over 5x faster than call_user_func_array.
Aside
Because I think this is really useful (though not directly related to the question): you can type-hint the splat ope...