Search
Search Code
Search Code by entering your search text above.
linux
check nginx access logs for bots

3:50 am, August 28, 2025
linux
check connetions in linux every 10 seconds loop

just add this to a sh file and it will show the connections every 10 seconds. e.g. ./checkconns.sh354351325313303390386350365300364282263208271408338320

3:41 am, August 28, 2025
linux
check and block connections script

a safe diagnostic script that helps you check and analyze the connections.    ⚠️ Why Automatic Blocking is a Bad Idea   You could lock yourself out: An automated script ..

6:18 am, August 19, 2025
css
Using accent-color to change check box color

So apparently accent color is a new(ish) property or maybe its just new to me. You can use this to change or select things like the background color on input check boxes. You can see in the exampl..

1:45 am, April 30, 2025
Linux
Check free space amount and show it in a nice human readable format

this checks the disk space amount on the linux macine and returns the result in human readable form.  df -H Usually this will show it in the following format. Example below. 

12:15 am, December 24, 2022
javascript
check if an item id exists in javascript

checks if 2 ids exist in one function and console logs the status here is the result in console log

12:28 am, October 19, 2022
php functions
simple file cache and check in php

just a quick cache bit of code, may need tweaking to actually work... i just added it here as i thought it was re-usable.  Also requires simple_html_dom library.

6:45 am, September 19, 2022
modals
Load fancybox modal on hash check

I was just testing this code, not working on the hash check as yet. 

1:40 am, June 15, 2022
html
basic radio checklist - check and item and get its value in a textarea

a basic radio input type checklist, where you can only select one of the items in the list.  Ok so no longer so basic.  This script allows you to fil the value of a text area with the valu..

2:06 am, May 25, 2022
php
php check if a class exists

check if a class exists in php. this can be used rather than assuming the class exists and then causing an error You can run the class_exists function on the class before loading it with the followi..

12:47 am, March 9, 2022
javascript
check url hash using javascript

What is a url hash? This is a URL Hash. You can add the # symbol on the end of a url and content after it, and this will not effect the content usually, unless the browser is intructed to do somet..

3:59 am, March 7, 2022
html
content editable p tag with spell check enabled

im not sure how this is useful, but you can set a p element to content editable so you can change its contents and then also set the spellcheck to true so the browser knows that it should run its spel..

12:01 pm, January 18, 2022
php
php check if url is valid with filter_var

check if url is valid using filter_var and return a message if the url is invalid rather than continuing

12:55 am, December 20, 2021
php functions
get php to validate its self with php check syntax

Did you know that php has a syntax checking function built into it? Well it does and this is how you can use it to check your php files for errors, rather than just running them and hoping for the be..

5:45 am, December 1, 2021
php
using the $_SERVER['HTTP_REFERER'] to check referring pages

shows how you can display the contents of the $_SERVER['HTTP_REFERER'] tag in php to show referring pages i read in an article that this is stripped out of HTTPS requests, but it seems to still be wo..

3:28 am, October 17, 2021
javascript
set a cookie on click and then check if the cookie is set and dont show that message again

this script shows a message, and if the message is closed it will set a cookie to not show that message again for 1 day.  The cookie in this example is set to expire in a day, so then if you com..

5:13 am, October 15, 2021
php
views list function for checking what views have been made on the current week

this is related to the views class that i added with monthly week number and yearly views, this is the function that i use to extract the top viewed pages for the week num, month num and year num. I ..

8:54 am, October 7, 2021
php
using strlen to check the length of a string and do something about it

in the following code i use the php function strlen to check the length of a string and then add an if statement to check if the string is longer or shorter than the required length. 

4:18 am, September 30, 2021
php
check if a file exists with php

checks if a file exists in php returns true of false

9:33 am, August 23, 2021
php
check if the file is a directory or check if the directory exists in php

this checks if the file is a directory or if the directory exists

7:00 am, August 23, 2021
javascript
old browser check with javascript

modified from this script i console logged all the items available so you can do what you need with them these are the avilable variables Javascript console.log(browser.agent);console.log(browser...

2:56 am, July 26, 2021
javascript
check browser version and show a message

a button that displays your browser version in a modal Demo (gif)

6:47 am, July 23, 2021
jquery
check if a ul contains a ul li

i could not find a way to do this with just raw css so i had to use jquery /sad

4:25 am, June 21, 2021
jquery
jquery check if a sub element exists

this can be done with .length

4:22 am, June 15, 2021
php
check column exists in table sqlite

this will return 1 if the column name exists in the table or 0 if it does not

12:21 pm, May 17, 2021
javascript
check if a variable is undefined or NULL

this will check if the check1 variable is set if it undefined or NULL it will return

5:58 am, May 12, 2021
php
check server https or http value in php using $_SERVER

this will check the server method and if its https assign the value to $server_http_val so this will either be "https://" or "http://" good for generating full url's for your domain. 

12:29 am, May 11, 2021
javascript
check box highlight text area css

i just wanted to be able to highlight a text field if a certain check box was checked on a form in this demo below, if you click on the check1 checkbox it will give you an alert saying if the box is ..

5:12 am, May 5, 2021
javascript
check if a checkbox is checked with javascript

checks if the box is checked and returns true or false reusable function that can check if a checkbox is checked or not just pass it the id of the checkbox Javascript Usage check_my_box('check1');

6:06 am, April 30, 2021
javascript
check if a certain query string is set then apply it to all url's on the page

this script will check if a query string is already set, and if it matches it will append the same query string to all url's on the page Here is the test link with the field, and all url's on this pa..

8:22 am, March 1, 2021
javascript
check if a query string item is set in the current url

this will check and console log if a query string on this page is set to test=anything example url is:  Test is not set: https://kruxor.com/view/code/XzLaT/  Test is set using & : htt..

5:49 am, March 1, 2021
linux
how to check the temperature of the pi using command line

to get the temperature of the pi in shell or command line type the following: BASH vcgencmd measure_temp This measures the GPU temperature. Which should generate something like this: To get the..

11:39 pm, February 17, 2021
linux
how to check linux kernel version on rasberry pi rasberian

You can check which linux kernel version on rasberry pi a couple of ways, the easiest is using the uname command BASH uname -r which should give you something like this (but probably not exactly th..

2:33 am, February 17, 2021
php
checking for spam comments function

with this function, you can scan through your incoming comments and check them for keywords the function will scan through the comment text and then provide you with a score as you get more spam com..

5:27 am, February 10, 2021
javascript
checking the current url and then marking a link active based on that url

i want a script that can check the current page uri and then match it to a list of links to be able to add an active class that survives page reloading So here we go... 1. Get the current page url. ..

1:32 am, January 13, 2021
jquery
using jquery appear for checking if an element is visible on screen

Yes.. sometimes i like using jquery as well, as it can make things so easy! :) Here is a quick demo using the JQuery Appear plugin so make an element change if it on or off screen.  Plugin Link..

12:24 am, December 1, 2020
javascript
check that a number is in the correct range based on a form selection

This script will check if the number is correct based on a form selection this can be used for checking that a postcode matches a state value or something similar Lets grab the html select form from ..

4:45 am, November 24, 2020
javascript
country select javascript check which option is selected and show a hidden element

this shows a country dropdown and then if a selected country name is matched it will show the second part of the form for this test australia is the confirmed country

2:05 am, September 22, 2020
javascript
country select javascript check which option is selected

this is an example of how you can get the selected country value with javascript from a html countries dropdown

1:54 am, September 22, 2020
php
check if a timestamp is older than one hour

this will check if the timestamp string is less or more than one hour old.

1:24 pm, May 4, 2020
css
form checkbox replacement with large tick using label

this is good if you want to change a form checkbox with the default and show a fancy tick or something else, this will still check the checkbox so will work normally as the form element

2:15 am, August 7, 2019
javascript
check if something is an array

this function will check if something is an array

5:26 am, July 31, 2019
javascript
JS Using typeof to check on string types

you can use the typeof operator to check what kind of variables you have.

2:38 am, July 23, 2019
javascript
js check the length of a string

using the javascript .length property

2:04 am, July 16, 2019
css
image Checkbox Replacement for Forms

Some sites like to be a bit tricky and have some complicated form checkbox replacement which is not all that hard, just can be a bit annoying as you have to extract the images for this to work. Demo ..

12:28 am, January 18, 2019
php
sqlite check table name exists

check that the table name exists in a sqlite database, this function it taken from a class.

12:44 am, October 24, 2018
wordpress
wordpress check home and not home for banners and things

this quick function will check if the page is home or not good if you want something on the other pages and something just on the home page in the header or that kind of thing. i have tested this i..

6:20 am, August 31, 2018
js
validate form data using javascript to check required html elements

for use in a javascript function to submit a form var form = document.getElementById('myForm'); for(var i=0; i < form.elements.length; i++){ if(form.elements[i].value === '' && form.elements[i..

6:20 am, August 31, 2018
js
check length of element jquery

this one can be good for checking if an element exists before doing something with it and can stop warning messages if you are running the script on multiple pages. if ($('#mydivid').length) { con..

6:20 am, August 31, 2018
js
set and check a cookie using js cookie

this library makes setting and checking cookies so easy its amazing! include this script <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.1.4/js.cookie.m..

6:20 am, August 31, 2018
php
check the server method post or get using php

Here is a basic usage method for checking if the server is in post or get mode. most normal pages are served in get mode. You can send data back to a page using get by adding variables to the string ..

6:17 am, August 31, 2018
Welcome

This is my test area for webdev. I keep a collection of code here, mostly for my reference. Also if i find a good link, i usually add it here and then forget about it. more...

You could also follow me on twitter. I have a couple of youtube channels if you want to see some video related content. RuneScape 3, Minecraft and also a coding channel here Web Dev.

If you found something useful or like my work, you can buy me a coffee here. Mmm Coffee. ☕

❤️👩‍💻🎮

🪦 2000 - 16 Oct 2022 - Boots
Random Quote
Be Yourself, Back Yourself
Kristie Bennett, Survivor
Random CSS Property

outline

The outline CSS shorthand property set all the outline properties in a single declaration.
outline css reference