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What are sessions? How do they work?
... session hijacking is certainly a problem: check this out! owasp.org/index.php/Session_hijacking_attack
– BKSpurgeon
Apr 15 '17 at 18:39
...
How do you detect Credit card type based on number?
..._brand;
}
Here you can play with it:
http://jsfiddle.net/upN3L/69/
For PHP use this function, this detects some sub VISA/MC cards too:
/**
* Obtain a brand constant from a PAN
*
* @param string $pan Credit card number
* @param bool $include_sub_types Include detection of...
Using getopts to process long and short command line options
...n. Do not use it. Please use **getopts instead bash-hackers.org/wiki/doku.php/howto/getopts_tutorial
– hendry
Aug 20 '09 at 23:21
9
...
SHA512 vs. Blowfish and Bcrypt [closed]
... of and given its inclusion in various crypt implementations (including in PHP which I use), when I read the original question I even assumed that's what the OP meant when he asked about SHA-512 - that he was actually referring to thousands of rounds of SHA-512 vs bcrypt which uses hundreds or thous...
How to send a “multipart/form-data” with requests in python?
...tipart/form-data
script:
import requests
site = 'https://prnt.sc/upload.php' # the site where you upload the file
filename = 'image.jpg' # name example
Here, in the place of image, add the name of the upload file in HTML
up = {'image':(filename, open(filename, 'rb'), "multipart/form-data")}
...
Alternate FizzBuzz Questions [closed]
...
here is my php solution :) ideone.com/BnJQ3 3 minutes :)
– Trufa
Dec 16 '10 at 23:03
...
NOT IN vs NOT EXISTS
...o null.
This post explains it very well
http://sqlinthewild.co.za/index.php/2010/02/18/not-exists-vs-not-in/
When the subquery returns even one null, NOT IN will not match any
rows.
The reason for this can be found by looking at the details of what the
NOT IN operation actually means...
Foreign key constraints: When to use ON UPDATE and ON DELETE
... therefore NULL may be preferable for this index.
– CPHPython
Aug 29 '16 at 12:02
1
@regilero, it...
Is it secure to store passwords as environment variables (rather than as plain text) in config files
I work on a few apps in rails, django (and a little bit of php), and one of the things that I started doing in some of them is storing database and other passwords as environment variables rather than plain text in certain config files (or in settings.py, for django apps).
...
Technically, why are processes in Erlang more efficient than OS threads?
...use today have the same safety properties (ECMAScript, Java, C♯, VB.NET, PHP, Perl, Python, Ruby, Clojure, Scala, Kotlin, Groovy, Ceylon, F♯, OCaml, the "Objective" part of "Objective-C", the "++" part of "C++"). If it weren't for legacy C code, and legacy features of C++ and Objective-C, we wou...