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Callback functions in C++
...t a[5] = {1, 2, 3, 4, 5};
tranform_every_int(&a[0], 5, double_int);
// now a == {2, 4, 6, 8, 10};
tranform_every_int(&a[0], 5, square_int);
// now a == {4, 16, 36, 64, 100};
2. Pointer to member function
A pointer to member function (of some class C) is a special type of (and even more co...
Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
I would like to know when do we need to place a file under
5 Answers
5
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How do I time a method's execution in Java?
...ited Jul 8 '16 at 21:49
michaelsnowden
5,33022 gold badges2727 silver badges6767 bronze badges
answered Oct 7 '08 at 20:16
...
Make XAMPP/Apache serve file outside of htdocs [closed]
...e the old one) if you are using Vista and have trouble).
Restart Apache.
Now you can access that directory by browsing to http://transitcalculator.localhost/.
Make an Alias
Starting ~line 200 of your http.conf file, copy everything between <Directory "C:/xampp/htdocs"> and </Director...
Using tags in the with other HTML
...re-proof your HTML by including the scoped attribute
Understand that as of now, the stylesheet within the <body> will not actually be scoped (because no mainstream browser support exists yet)
* except of course, for pissing off HTML validators...
Finally, regarding the common (but subje...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
... // $arr1 is still array(2, 3)
$arr3 = &$arr1;
$arr3[] = 4; // now $arr1 and $arr3 are the same
?>
For the first part, the best way to be sure is to try ;-)
Consider this example of code :
function my_func($a) {
$a[] = 30;
}
$arr = array(10, 20);
my_func($arr);
var_dump($arr...
SQL multiple column ordering
...en performs STABLE sorting by column1. This is more clear for people that knows what stable sorting is.
– Atom
Oct 3 '16 at 13:49
...
Git commit with no commit message
...essages that I have written that will never ever be read by anyone. For me now the value of this habit is that it forces me to look through the changes in an attempt to describe them, and this sometimes makes me notice bugs. You are right, though. I'll consider paying more attention to the code and ...
What is a patch in git version control?
...TS)
See also Contributing to Rails with Git as another concrete example.
Nowadays, the GitHub pull request makes it really easy to apply patches on GitHub repos, which is useful when you aren't a direct contributor (ie you have no right to directly push to a repo).
Actually, fairly recently GitHub...
How can I undo git reset --hard HEAD~1?
...0 deletions(-)
create mode 100644 file2
$ git reset --hard HEAD^
HEAD is now at 1a75c1d... added file1
$ cat file2
cat: file2: No such file or directory
$ git reflog
1a75c1d... HEAD@{0}: reset --hard HEAD^: updating HEAD
f6e5064... HEAD@{1}: commit: added file2
$ git reset --hard f6e5064
HEAD i...
