slash-a | Programming language and C++ library | Interpreter library
kandi X-RAY | slash-a Summary
kandi X-RAY | slash-a Summary
Slash/A is programming language and C++ library for quantitative applications of linear genetic programming (GP). Genetic programming is a machine learning method for randomly 'evolving' computer programs until they perform a given desired task [1,2]. Linear means that codes are expressed as a simple string of instructions [1] as opposed to the more complex tree structure originally adopted by GP practitioners [2].
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QUESTION
IIS logging has logged that a specific GET request as been redirected.
Here is the relevant entry (ip address removed):
2021-10-06 02:48:59 xx.xx.xx.xx GET /test - 80 - xx.xxx.x.xxx Mozilla/5.0+(Windows+NT+6.1;+Win64;+x64)+AppleWebKit/537.36+(KHTML,+like+Gecko)+Chrome/93.0.4577.82+Safari/537.36 - 301 0 0 1
The application /test
consists of a single index.php file that echo
's the word 'hello'.
There are no url redirect rules set up in IIS. Nor are there any calls to header()
Any ideas as to how to determine why a redirect would occur on a simple web application like this? Or tips on how one can find out the cause?
For context, the server which this simple application runs on sits behind an AWS load balancer. However, the redirect definitely is occuring on the IIS server and not in some firewall or network configuration.
Additionally, the redirect only occurs when there is no "/" on the end. If there is a "/" on the end, it works. (status code = 200). I have more detailed info in this question here
...ANSWER
Answered 2021-Oct-27 at 18:46This is IIS built-in behavior. When a URL maps to a directory and the trailing slash is missing, IIS sends a redirect to add the slash. It is known as a "courtesy redirect", as explained here.
QUESTION
Is there a difference between ASCII codes and Key codes? I was looking at the code for backslash obtained from event.which
in javascript. This turned out to be 220. However, when I look at the ASCII table the ASCII code for backslash is 92.
From my research the keyboard event code does not necessarily have to match the ASCII code?
...ANSWER
Answered 2021-May-02 at 04:58The original IBM PC Model M keyboard contained an Intel 8049 microcontoller which scanned a wiring matrix of keyboard switches. The scan result was sent as a numeric code to the connected PC using serial communication. The job of interpreting the label of the particular key pressed was left to the operating system. The which
value of keyboard event objects is the numeric value received from the keyboard controller chip. Since ASCII doesn't have encodings for arrow and function keys et cetera, which
was never intended as an ASCII value.
In modern browsers, the keyboard event key
property usually holds the Unicode string value of a key press determined by converting the key matrix scan result to a Unicode code point based on the keyboard language selected by the PC user, or a description of the key pressed if it not printable.
QUESTION
I noticed that adding a trailing / to index.php breaks css and javascript which was explained here- what-happens-when-i-put-a-slash-after-a-php-url
My rewrite rule takes whatever string is after the domain and a forward slash and puts it into the GET variable q. So foo.com/foo works fine and I can access /foo in the GET variable q. How do I get any non existent resource requested in url string to work similarly? Make foo.com/foo/ OR foo.com/foo/foo etc. redirect to index.php and not break css and javascript.
...ANSWER
Answered 2020-Mar-15 at 23:20It appears that you use relative links for including your javascript or css files.
So, all you have to do is make your file addresses absolute, like /js/search.js
.
Your rewrite rule is correct and it won't forward the actual files to your index.php file. But when you say src='js/search.js'
, it means index.php/js/search.js for the browser, and that is not an actual file address.
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