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What's the safest way to iterate through the keys of a Perl hash?
...ng the expected resulting hash:
(a => 1, A => 2, b => 2, B => 4)
But using each() to do the same thing:
%h = (a => 1, b => 2);
keys %h;
while(my($k, $v) = each %h)
{
$h{uc $k} = $h{$k} * 2; # BAD IDEA!
}
produces incorrect results in hard-to-predict ways. For example:
(a...
Finding diff between current and last version
...
1214
I don't really understand the meaning of "last version".
As the previous commit can be accessed...
How to configure the web.config to allow requests of any length
...
249
Add the following to your web.config:
<system.webServer>
<security>
<requ...
How do I retrieve my MySQL username and password?
...
answered Aug 7 '08 at 4:02
Xenph YanXenph Yan
73.7k1515 gold badges4545 silver badges5454 bronze badges
...
What does [object Object] mean?
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54
The default conversion from an object to string is "[object Object]".
As you are dealing with j...
Check if an image is loaded (no errors) with jQuery
...
Abhinav Upadhyay
2,3481818 silver badges3131 bronze badges
answered Dec 30 '09 at 1:59
XaviXavi
18...
How do I keep CSS floats in one line?
...
edited Aug 16 '12 at 15:54
answered Nov 5 '08 at 17:50
Eri...
Best way to repeat a character in C#
...
answered Jan 4 '09 at 22:00
Christian C. SalvadóChristian C. Salvadó
688k171171 gold badges886886 silver badges826826 bronze badges
...
Git: fatal: Pathspec is in submodule
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437
Removing the directory from git and adding it again worked for me:
git rm --cached directory...