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Or versus OrElse
...h C#, where everyone uses the Coditional Or (||) and the Conditional And (&&), where you also have the normal Or (|) and normal And (&). So comparing C# to VB.Net is:
| => Or
|| => OrElse
& => And
&& => AndAlso
The condifitonal boolean operators are very usef...
Start ssh-agent on login
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You can also use Type=simple. wiki.archlinux.org/index.php/…
– Hans-J. Schmid
Jan 9 '19 at 15:46
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Polymorphism in C++
... code, use a longer uppercase name for a macro!)
Overloading:
void f(int& x) { x += 2; }
void f(double& x) { x += 2; }
Templates:
template <typename T>
void f(T& x) { x += 2; }
Virtual dispatch:
struct Base { virtual Base& operator+=(int) = 0; };
struct X : Base
{
...
What does enctype='multipart/form-data' mean?
...andling library
Most (such as Perl's CGI->param or the one exposed by PHP's $_POST superglobal) will take care of the differences for you. Don't bother trying to parse the raw input received by the server.
Sometimes you will find a library that can't handle both formats. Node.js's most popula...
How to get image height and width using java?
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@php_coder_3809625 the log is in the iterator, so it could be the case that one ImageReader fails, but a subsequent succeeds. If they all fail, then an IOException is raised.
– Andrew Taylor
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When should I use C++14 automatic return type deduction?
... IDEs might alleviate the "readability problem". Take Visual Studio, for example: If you hover over the auto keyword, it will display the actual return type.
– andreee
Apr 10 '18 at 13:38
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Should I use encodeURI or encodeURIComponent for encoding URLs?
... If i am using ajax how do i decode the url which is passed to php?
– Aditya Shukla
Dec 27 '10 at 18:19
6
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memory_get_peak_usage() with “real usage”
If the real_usage argument is set to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
...
Overcoming “Display forbidden by X-Frame-Options”
... with any string at all disables the SAMEORIGIN or DENY commands.
eg. for PHP, putting
<?php
header('X-Frame-Options: GOFORIT');
?>
at the top of your page will make browsers combine the two, which results in a header of
X-Frame-Options SAMEORIGIN, GOFORIT
...and allows you to loa...
Can I implement an autonomous `self` member type in C++?
C++ lacks the equivalent of PHP's self keyword , which evaluates to the type of the enclosing class.
13 Answers
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