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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
...
Meaning of Open hashing and Closed hashing
...a example of separate chaining using C++ with a simple hash function using mod operator (clearly, a bad hash function)
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How do I get the path of the current executed file in Python?
...red only in memory.
However, you can reliably determine the location of a module, since modules are always loaded from a file. If you create a module with the following code and put it in the same directory as your main script, then the main script can import the module and use that to locate itse...
What is a correct mime type for docx, pptx etc?
...deo", "aep": "application/vnd.audiograph", "dxf": "image/vnd.dxf", "dwf": "model/vnd.dwf", "par": "text/plain-bas", "bcpio": "application/x-bcpio", "bin": "application/octet-stream", "bmp": "image/bmp", "torrent": "application/x-bittorrent", "cod": "application/vnd.rim.cod", "mpm": "application/vnd....
Unique (non-repeating) random numbers in O(1)?
... own when I answered the question, after some research I realize this is a modified version of Fisher-Yates known as Durstenfeld-Fisher-Yates or Knuth-Fisher-Yates. Since the description may be a little difficult to follow, I have provided an example below (using 11 elements instead of 1001):
Arra...
How do I close a connection early?
...ue since [PHP] 4.1, when the behaviour of register_shutdown_function() was modified so that it would not automatically close the users connection.
sts at mail dot xubion dot hu Posted the original solution:
<?php
header("Connection: close");
ob_start();
phpinfo();
$size = ob_get_length();
h...