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C++ convert hex string to signed integer
... Buchanan, as far as sticking to C++ goes, I liked yours, but I have a few mods:
template <typename ElemT>
struct HexTo {
ElemT value;
operator ElemT() const {return value;}
friend std::istream& operator>>(std::istream& in, HexTo& out) {
in >> std::...
How do I retrieve an HTML element's actual width and height?
... Beware! offsetHeight/offsetWidth can return 0 if you've done certain DOM modifications to the element recently. You may have to call this code in a setTimeout call after you've modified the element.
– Dan Fabulich
Jan 19 '10 at 5:59
...
How do I read any request header in PHP
...Value = $_SERVER['HTTP_XXXXXX_XXXX'];
ELSE IF: you run PHP as an Apache module or, as of PHP 5.4, using FastCGI (simple method):
apache_request_headers()
<?php
$headers = apache_request_headers();
foreach ($headers as $header => $value) {
echo "$header: $value <br />\n";
}
E...
How to get a reference to a module inside the module itself?
How can I get a reference to a module from within that module? Also, how can I get a reference to the package containing that module?
...
Can I install Python windows packages into virtualenvs?
...
On Windows 7, 64 bit, with 64 bit Python had to modify regpath to regpath = "SOFTWARE\\Wow6432Node\\Python\\Pythoncore\\%s\\" % (version)
– Oleksiy
May 25 '14 at 5:59
...
How to determine the memory footprint (size) of a variable?
...bian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
// do your stuff
memprof_dump_callgrind(fopen("/tmp/callgrind.out", "w"));
Finally open the callgrind...
How do I parse command line arguments in Java?
...ost's original author and it's your lib) a horrible horrible abuse of your moderation powers. Flagging this to other mods.
– Alexander Malakhov
Apr 8 '19 at 11:30
...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
...ts the both values, created a Java test application using URLConnection to modify the Host header and tests taught me that this is indeed (incorrectly) the case.
After first suspecting PHP and digging in some PHP bug reports regarding the subject, I learned that the root of the problem is in web se...
What is a good Hash Function?
...achieves better dispersion (and thus fewer collisions) than a simple prime mod like you mentioned, and it's more adaptable to varying input sizes.
If you're using the hashes to hide and authenticate public information (such as hashing a password, or a document), then you should use one of the major...
Value of i for (i == -i && i != 0) to return true in Java
...
As i have read..java's int arithmetic is arithmetic mod 2power32, so i was thinking if we can prove this value in just 1 or 2 lines..if its a big proof..then no issue.
– Sunny
Jul 22 '13 at 6:35
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