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Signed versus Unsigned Integers
...he explanation of all the things said above. lms.uop.edu.jo/lms/pluginfile.php/2420/mod_resource/content/1/…
– WeirdElfB0y
May 13 '18 at 16:05
...
Pretty-print C++ STL containers
..., TCharTraits> ostream_type;
pretty_ostream_iterator(ostream_type &stream, const char_type *delim = NULL)
: _stream(&stream), _delim(delim), _insertDelim(false)
{
}
pretty_ostream_iterator<T, TChar, TCharTraits>& operator=(const T &value)
{
...
How do I concatenate strings and variables in PowerShell?
...
This isn't technically concatenation.
– TravisEz13
Jun 14 '16 at 17:59
9
...
Running SSH Agent when starting Git Bash on Windows
...thub account or remote host using ssh. For e.g. in context of above code examples:
$ ssh github.com-<YOUR_GITHUB_USERNAME>
or
$ ssh <USER>@csexperimental.abc.com
This adding of key to the SSH agent should be required to be performed only one-time.
6) Now logout of your Bash sessio...
How do I detect unsigned integer multiply overflow?
...efined behaviour (UB) has occurred and your program can do anything (for example: render tests inconclusive).
#include <limits.h>
int a = <something>;
int x = <something>;
a += x; /* UB */
if (a < 0) { /* Unreliable test */
/* ... */
}
To create a co...
Swift Beta performance: sorting arrays
...
a[r] = t
l += 1
r -= 1
}
quicksort_swift(&a, start, r + 1)
quicksort_swift(&a, r + 1, end)
}
And the same in C:
void quicksort_c(int *a, int n) {
if (n < 2)
return;
int p = a[n / 2];
int *l = a;
int *r = a + n - 1;
while ...
brew update: The following untracked working tree files would be overwritten by merge:
...
Worked like a champ. Thanks for the link too!
– Tyler DeWitt
May 28 '12 at 16:25
...
CSS “and” and “or”
...
&& works by stringing-together multiple selectors like-so:
<div class="class1 class2"></div>
div.class1.class2
{
/* foo */
}
Another example:
<input type="radio" class="class1" />
input[type="...
What's the difference between a proc and a lambda in Ruby?
...ing Proc objects check the number of parameters passed when called.
An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1>
p.call 1, 2 # => 5
p.call 1 # => NoMethodError: undefined method `**' for nil:NilClass
p.call 1, 2, 3 # => 5
l = lambda {|a, b| put...
How to make my custom type to work with “range-based for loops”?
...eturn something that acts like an iterator
Create a free function begin(X&) and end(X&) that return something that acts like an iterator, in the same namespace as your type X.¹
And similar for const variations. This will work both on compilers that implement the defect report changes, a...