How to Enable Linux Subsystem in Windows

Enabling the linux subsystem in windows allows you to use linux within windows.  To enable linux sub system in windows you can do the following.  In the start menu type "Windows features..

Quick Embed code for Titillium Web Google Font

Quick Embed code for Titillium Web Google Font and a bit of test code to see if the font is working properly. Im not sure if including all styles of this font is a good idea. Who even uses italic thes..

clean excess binary logs from mysql - free up space

Update: 30 July 2023 I actually prefer this command, i just have to figure out why im getting so many binlog files! MYSQL PURGE BINARY LOGS BEFORE '2023-07-30 00:00:00';PURGE BINARY LOGS BEFORE NOW..

make clickable element with clickable class open link in new window

makes an element with a link into a clickable element. This finds the 1st a tag in the target element and then opens the link in a _blank tab. Then if you have an element that you want to be clickabl..

error Warning: getimagesize(uploads/583517f49099a.jpg): failed to open stream: No such file or directory in SimpleImage.php on line 1198

i think this error is just caused by a missing file. But there should be some kind of error checking here to not crash the whole site just due to a missing image file. this error is quite hard to fin..

windows robocopy /? help and usage

Reference for the windows robocopy command ------------------------------------------------------------------------------- ROBOCOPY :: Robust File Copy for Windows ..

find a text string and replace it in javascript

There is a function in javascript called replace. You can just give it some text and it should replace it with your target text.  For example #1 this just runs and replaces the first instance o..

imgur upload from php

function that takes an image and uploads it to imgur using a client api id, and then returns all the data. i did this one ages ago and did not make it into a function, but this version should work as..

wrap an iframe with another div inside another div

so lets say you had an iframe within another div and that div had the class called content. you cant actually edit the page content but you can add some jquery to the page can you add a wrapper to t..

Twitter Post Fetcher v18.0.4 - javascript twitter feed fetcher

A few queries showing how to get latest tweets and post likes using the Twitter Post Fetcher v18.0.4 script.

Map Image with Easy Dots and Titles using only CSS

I had to quickly add some dot points with names to a map the other day, so i thought i should probably look for a jquery library for tool tips or something similar. But then i thought why not just add..

rainbow text background clip with linear gradient

testing using background clip with a linear gradient background colour to make the text appear rainbow colours 🌈 

rainbow text with css using background clip

codemirror with auto preview window

this should auto preview html code into the preview area using code mirror

using figcaption and figure for your images

So i usually add images in a <p> tag with just an <img> tag and then <br> and the image caption, but there is actually a tag for this that i should get used to using. The <figcapt..

Robocopy Options /? help

My usual backup command is now robocopy source destination *.* /M robocopy d:\ f:\ *.* /M Update: actually scrap that, its /E not /M, i used to use the /MIR option, but as deleting files in the des..

php validate email function

php function that can be used to validate an email address string

Welcome Widget Card - Toggle

Testing the welcome widget with a more or less toggle.  This version seems to work, with a jquery slide toggle. 

add a custom event trigger in jquery document ready

i saw something that said if you add an event listener at the end of the doc ready it should fire last, but i dont think this is correct as it runs everything at once. so i think this code does not wo..

Warning: file_put_contents(/var/www/html/bundle/responsive-viewport-meta-tag-responsive-meta-tag/index.php): failed to open stream: Permission denied in /var/www/html/pages/update.page.php on line 167

i think that the content in this location is not writable by php so need to change the permissions too fix this error.  This should fix it, as it was not correctly write permissioned Bash cs /..

add a user and add the user to sudo group

basic adding of a user in linux and then adding the user to the sudo group to allow it to run super user commands like apt update or other potentially system breaking commands. Note: replace "usern..

truncate text with line clamp allow a certain number of lines

This shows how you can truncate text to a certain number of lines using the css property line-clamp.   -webkit-line-clamp: 3;  line-clamp:3;

Clear Youtube DL Cache to fix 403 Forbidden error, youtube-dl 403 forbidden

If you are getting the error: File "C:\Python\Python34\lib\urllib\request.py", line 588, in http_error_defaulturllib.error.HTTPError: HTTP Error 403: Forbidden It could be cache that is causing this..

Javascript Objects Notes

As javascript objects are used so often in javascript i thought i would write an overview and some notes on how they work, well how they work for me anyway. I guess how they work for me should be simi..

best way to write html into an existing page javascript

this probably isnt the "best way" but it is a way that works. say you want to add some elements to a page with javascript this is a method to do it.  Add an element, before including the script..

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..

Converting PHP to Javascript for State Extraction by numeric value Australian State Names

I cant even remember when i originally wrote this php function, but now i need to have it in javascript, should not be much change to it to get it working.  The original function takes an austra..

add a toggle with jquery and change the class

With this code I just wanted a quick bit of inline code that could add a toggle to an element or multiple and also switch its class to make it show that the item is toggled on or off.  Here is t..

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..

Create Strings using Template Literals

if you use the backtick to enclose your strings you no longer have to use \n for a new line.  For example: `this is a multiline ...string!!` Console Example

Using CSS Grid instead of Float's for a 3 column simple list

I have been in the habit of just using float:left and then width 31% with margin 1% for list items, and it seems to work fine usually.  But i thought i probably should update the defaults in by ..

Spam IP Database and delete button

The Background and Reason for the SPAM IP Database and Delete I actually wrote up half of this article and was still testing the function and lost the whole post, which will teach me for adding it st..

how to embed google fonts icons

For some reason when i go to embed a google font icon, they dont seems to have any obvious way to actually use it, i can find the icons ok here. But then when i go and use it it links to a how to embe..

allow internal networking connection from virtual box vm

This will allows you to access a shared folder on a Windows 10 Virtual box from Windows 11. Probably also works with other windows versions, but only tested with the host OS beinf windows 11 and the V..

javascript random string to put on url for cache

I was having a bit of a cache issue with a external css file, so i thought i might fix this by appending a random query string to the file name. This should force the browser to recheck the file each ..

javascript try catch example function

try catch is a good way to stop errors breaking your javascript. here is the example from the firefox mozilla with a basic try catch logging the error to your console, rather than just breaking all t..

load json data url with jquery

loads a api or json url or endpoint using jquery and console logs the result Tested working on my test json file, check the console and it should be there. 

How to Use PropTypes to Define Props in React

React allows you to define the types of props given to your components to make sure that invalid data is not sent as the prop to the element.  To do this you can define propTypes. You can defin..

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..

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..

foundation three boxes with text align links to the bottom of element

For some reason i had the request to align the links in three boxes with different height text, not sure why they wanted them aligned, but i guess my task is not too question that but to fix it. ..

Changing the default hero image based on the category name [not yet done]

This is more of a todo item, at the moment the hero image uses the same image for every post unless a hero is specified for each, i would also like to set the default image per category so if the post..

How to Create a React Component using the ES6 class method

One way to add a react component is to use the Stateless Functional Component method, and another way is to use the ES6 extends syntax. This method seems more complex than the 1st for some reason mayb..

using babel for react compiling in browser

this is currently just an idea, as i saw that codepen uses babel to run react i was wondering i can do the same thing here and then just write normal react script and have babel compile it.  so ..

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 ..

create a 200 character summary from a longer html string

this is a quick function that can create a 200 word plain text summary from a html string. Also added the option to specify the char length of the string.  Function function create_summary($htm..

responsive three box section with tabular data or table data

here is a section in foundation with 3 hero boxes with images on top, and then a title and some tabular (is that the same as table?) data in each box, so could be good for some kinda products and then..

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. 

using wp_nav_menu to show a custom menu in wordpress

found this quick code snippit here, its not working just for reference of what the array items do.  Here is how you would display the menu called "Projects" PHP         $..

How to record your own page views with PHP, and make them into weekly monthly and yearly charts

Building a better Simple Page View Counter Currently this site has a very basic view counter on it.  Here is how it currently works. Load the page, function checks if the page has a existing r..

video not auto playing issue in chrome and brave

i had this error the other day when i was adding an auto play video to a page. the error was: Javascript Uncaught (in promise) DOMException: play() failed because the user didn't interact with the ..

twitter json feed testing

just testing using the Twitter Post Fetcher script, seems to be working well.

atom on mac and synchronise settings

installing atom and syncronise settings between windows and mac versions. Install the package Syncronize Settings the package is called sync-settings but searching for sync-setting and Syncroniz..

simulate a click on an element with jquery

you can actually use jquery to simulate a click event using the following .click() so as soon as the document is ready and you have jquery loaded it will run the click event for you, and should pop ..

vertically align text within a fixed height div using flex

this can be used to make text align nicely while still keeping the same layout. the example below shows how you can set the height of the containing element and still have the text aligned center to ..

weird search results being recorded

i noticed some weird search results being recorded like this: the search function should only be recording a result if it finds a result, so this should not be added unless it can actually find thi..

using clamp js to clamp lines of text

there is a css version of this as well but this version works in a greater range of browsers (i think) this one is not working for me... i think the overflow elipsis is still a better option than thi..

Scroll down indicator css javascript and html

I have seen these a couple of times, indictating to the user that there is further content down the page, and they should scroll to view it. Then as you scroll down the indicator dissapears. So we w..

use a list group for listing by category page [todo]

change this to a list group, should make it neater. Page to update: https://kruxor.com/list-category/code/  so for some reason this is listed using this function PHP $list_wiki_menu = $clas..

Comments Listing should be a custom list rather than using search

For some reason when i listed the comments under posts on this site, i used the search function and then searched for the related uid, which maybe was easier at the time than adding an additional cate..

change this to a list group - other items

Other item format is a bit average, list group should fix this.  This uses the template: core-list-item-simple.html  So we can change this a bit to the list group format.  Which i..

counting the occurrence of words in a multidimensional array

array sorting example The array Array ( [0] => Array ( [0] => Some [1] => great-looking [2] => special [3] => editio..

show all methods or functions in a class (class function version)

add this to your class to show all its methods including this one... sorts the array ascending by values so should be sorted in a-z

passing in arrays to your functions rather than using variables

this is probably an old technique, but i discovered it the other day when i was playing around, and i thought wow i should do this to all my functions, i cant see the downside, apart from having to re..

php list all the functions in a class

this should return in an array the methods or functions for a class

dont use md5 for password hashing using password_hash and password_verify

apparently md5 is not the best method for password hashing, you should use the php functions  password_hash(); and then  password_verify(); to verify the hash matches PHP password_hash..

python extract images into an array from a url

this should extract all images from a url into an array using python python from bs4 import BeautifulSoupfrom urllib.request import urlopenurl = "https://www.kruxor.com/view/code/LOveX/"page = urlop..

javascript page redirect

this one i cant add a working demo for, due to its nature, but it is working if you remove the comment. combine this with this: https://kruxor.com/view/code/wQUDM/do-something-later-with-settimeout-..

replacement slider for ken wheeler's slick carousel tiny slider 2 [testing]

I have been looking for a little while for a replacement for the now classic and a bit depreciated, ken wheeler's slick carousel. After a bit of looking around i think the best replacement, is a non ..

add click event to multiple link items and load the link content into a target div ajax

this will get a group of links with existing href targets and load them dynamically with an ajax callback you will need to also include the full jquery script as the slim one does not include the aja..

inline form field padding

I noticed this when doing this demo (get the value of an input form element).  Looks like inline form elements look pretty average when a button is added to the same line. i think this should..

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..

append a query string to all url's on a page

this should append the query string test=1 to all url's on this page. if it works... make sure its added to document ready.

installing exfat and ntfs drivers to enable reading of these filesystems

this will install the ntfs package on your linux system, allowing you to read and mount ntfs partitions on drives. NTFS 3G BASH sudo apt updatesudo apt install ntfs-3g This should give you the fol..

linux list all drives and partitions

the following command will list all drives and partitions in your shell BASH sudo lsblk -o UUID,NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL,MODEL It should look something like this depending on your drive se..

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..

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..

how to find what version pi you are using

So i was wondering the other day how to show what raberry pi i had, rather than opening it up. you can install lshw and it can list all your hardware Install it with BASH uname -r which should gi..

github logo background png css

just the github transparent logo as a css class, yes it should probably be a svg, but here it is in all its PNG glory.

TortoiseSVN for updating wordpress plugins

For updating wordpress plugins, and probably other SVN related stuff, i found that using TortoiseSVN is the easiest. For windows anyway.  Just go to the downloads page, and pick the correct flav..

Enabling SSH on Ubuntu

To enable SSH connection via putty or another terminal app on ubuntu, do the following. Open a terminal with Ctrl+Alt+T sudo apt update sudo apt install openssh-server Check if its runningsudo syst..

should have a different menu colour [reported]

linking search results to view pages [finished] 🤣

I was thinking it might be useful to link the search term to the page, so that it can be found more easily using that search. For example, Link this search text (somehow) to the post page and display..

badge border colour is too dark or light on number badges [fixed]

I noticed that the badges here were to light, so i must have missed something when updating the badge css. Demo Linkhttps://www.kruxor.com/search/code/site+bugs/ Bug Status:Fixed Problem: The bo..

how to install js socials for social media share buttons and make them rounded

This should be a nice quick one on how to install js socials which add social media sharing buttons on your pages.  Yeah i always just ignore these as well, but hey some people may use them?? H..

Fix Hover Over color on list group dark mode in bootstrap

How to fix the problem when switching to dark mode, the list group item text disappears when active. Here is what it currently looks like. To fix this we need to target the element and force the..

get the current post id from content.php

this should assign the current wordpress post id to $post_id, from template-parts/content.php if you want to show it, just echo the $post_id

wordpress get the current category id name and slug

This gets and displays the current category id in a wordpress blog post if you have the current id, if not you can leave the $post_id blank and it should see if there is a category loaded to the curre..

search a zip file with windows command prompt and 7zip

if you ever need to search for a file in a zip file this is how to do it (in windows). Also you will need to install 7zip Open a command prompt CTRL+R and type cmd cd C:\Program Files\7-Zip 7z l c..

css font style italic

i had a request to make some font italic the other day, and for some reason i could not remember the css for it.  It's font-style: italic; I should know that! I guess italic fonts annoy me a bi..

extracting the useful bits of bootstrap

Back in the early instances of bootstrap they used to provide a build system for the individual components. It seems that these days its all or nothing, or use some kind of build tool to include the b..

Bootstrap 4 Center menu items in a navbar

Here we have an example bootstrap navbar you can find the original navbar here. I just want to center the menu item links so they dont appear over to the left on larger screens.  Add the follow..

Fix for Fatal error: Uncaught Error: Call to undefined function file_get_dom() simplehtmldom simple_html_dom

This error is caused due to a function name change in the simple_html_dom.php library if you are using an older one and upgrading to the never version, you can see it in the change log here: https://s..

switching stack order of floats with flex

responsive stacking, changing the order of how they stack. so by default they should stack in order they are listed in, like if the pink box is 1st then it should stack on top of the blue box when it ..

php substr return part of a string

good if you want to .. return part of a string

stretching an image to fit in a banner image with gimp

sometimes i need to get a square image to fit in a rectangle box this is a way to do it with GIMP get a square image, or pick any image (pexels) fit it in this box.. For this one we will be using ..

fixing the website footer and making it less ugly

Here i show you in a couple of steps how to make the footer on this site look nicer, while actually doing it. Here is what the footer currently looks like. Yep pretty average looking. Lets add a ..

javascript isset equivalent

i was just looking for an equivalent to the isset in php for javascript, i was initially using .length but this can still cause errors so i found this solution. if (typeof my_var !== 'undefined') {}

find and replace hrefs in existing page links using jquery

sometimes i have to do these things when you cant change the source files for some reason, usually due to old code. Its kind of a patch, but it works. The reason i had to add a delay in running the fu..

get the href value using jquery

this uses the jquery attr function to get the value of the href. this example targets the first a in the card div, so running the demo should alert you with https://kruxor.com Rather than using alert..

add google captcha to enable and disable a form button

This will check if the google checkbox is checked and then enable or disable the form button depending on the outcome. This is just a basic version of this check, you should also check that the captu..

Complex Arrow Function Example

Here is an example using a Complex or Higher Order arrow function, which slightly reduces the amount of code lines used. This should return the square root of all positive integers passed into it.

return a state name from an australian postcode

this will return an australian state code based on the postcode, so you can enter a valid postcode and see which state it belongs too. e.g: 2000 should return NSW

Using parseInt in a function to return an integer or not

this function uses the parseInt function to return a proper integer or an error code if it can't. So this demo should return NaN for the Not an Int (x1235) and The int for the 00001235. I think that N..

get the last letter of a string

you can use the .length and the index of a string to get its last value

using transform scale in css to zoom on hover over

using a css transform will not effect other elements that surround it, so when you mouse over this div (or press it on your phone/tablet) it should scale to 1.5 times its original size.

CSS Improve Compatibility with Browser Fallbacks

when using css variables to increase compatibility you should also include a normal color as a default.

Making Images Retina Display Friendly

Have you ever noticed images look a bit blurry on your high res screen? Sometimes this is referred to as a "Retina" display... Its probably because the image used is exactly the pixels made for a regu..

Making an image responsive using css

the following css will make an image display 100% its size and keep its aspect ratio if the screen size or element size gets smaller than the containing image. you should be able to drag the edge of t..

Applied Accessibility - Tab Index

using the tabindex property on elements allows you to press the tab key while on the page and tab through the elements depending on the order specified by the tabindex. tab index can be applied to man..

Applied Accessibility - Screen reader only css

This is how a screen reader only css markup can be added. The content will still be available to screen reader clients.

Cut a string when it finds a certain character with PHP

ok so lets say we have a string like this: Hi there im a string. I am also part of the same string. And we want to shorten the above string into just:  Hi there im a string. This is what i wo..

calculate a percentage (dec) difference based on two numbers

this function will show you the percentage difference between two numbers

basic for loop

I know i always forget this so ill add it here, see if i can remember it. This should count to 10 Out 0 1 2 3 4 5 6 7 8 9 10

some date formatting just day just month just year

Useful if you need to get PHP to return parts of the date. The date today in number format $date_today = date("d"); e.g: 21 Todays month name $month_name = date("F"); e.g: July ..

using custom request headers array with curl

this function passes in an array with custom request headers to curl, good if you need to pass in some headers to request an api url and give it an auth key or something like that. Also added to the a..

wordpress show posts loop with feature image thumbnail

this is surprisingly hard to find code that lists all blog posts in a template with the feature image that does not use an additional plugin. you shouldnt need a plugin to do this as its already built..

search within files in a directory

During my quest to create a semi-static site that is searchable and fast to load. I thought while loading all of this content in with ajax and such that it would be interesting if i could do a text ..

truncate string using jquery

.test { padding:10px;border:1px solid #999;border-radius: 3px; } so lets say we had the following string on the page and we needed to make it a bit shorter for some reason. like if you dont have co..

detect window scroll position jquery

This one adds or removes a class if the document is scrolled 50 px near the top of the window. $(window).scroll(function() { if ($(document).scrollTop() > 50) { $('nav').addClass('shrink');..

load google sheet data into json string with jquery

Just discovered this the other day, you can actually export google sheets data into json format and load it directly into your site, how good is that. A free mini basic database! Initially i was lo..

clipboard copy js

for copying things to the clipboard, like the click to copy. Basic Usage Include the script <script src="js/clipboard.min.js"></script> add a field to copy to the clipboard..

document ready wordpress jquery

Wordpress uses JQuery rather than $ to initialize so here is a workaround that allows you to still use the $ to access JQuery functions. Just incase your normal document ready is not working. tags: ..

testing chartjs

Update: 30 June 2020 I checked this code, and it was broken all fixed now. The issue with the demo included on the main site is that it was trying to run the chart js before the chart library was load..

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..

using regex with replace to replace all instances of something in a string

so you have a string and you want to replace a recurring character, use this to do it: String Example: var string = "a-string-with-dashes.txt"; var string = "a-string-with-dashes.txt"; string..

find all elements add class jquery

this will grab all a elements, and dump them to the console. var allLinkElements = $( "a" ); console.log(allLinkElements); then we need to split into a jquery object, this is a jquery version of an..

using getElementById and innerHTML to change the html of content no jquery

this is pretty simple, but i always forget it so ill add it here document.getElementById("theid").innerHTML = "the new content"; heres how it works, add a div with an id of theid Example .. <d..

make clickable element with clickable class

makes an element with a link into a clickable element

copy image to data uri using chrome base64 encode

Update: 26 Aug 2020 - Fixed video and original image link all should be working now in chrome. Found this one useful if you want to convert an image to base64 encode and link it directly in css or ht..

take full page screenshot screencapture using chrome dev tools

This isnt really html, but its handy ;) Here is how to take a full page screen shot using the chrome dev tools. Open dev tools in chrome and the page you want to capture the image from F12 Pr..

del

So i was wondering how to add a line through text like this. <del>text<del/> You can also use <strike> or <s>. But as these are depreciated its better to use the <del..

truncate text long titles with text overflow ellipsis

this one can be useful for fitting text into smaller places without it looking broken. text-overflow: ellipsis; this basically adds the 3 dots where the end of the text used to be... Also if you are ..

css grid for layouts with no rows

I had a look at this recently, but my previous example still used rows for a grid, which apparently is not the correct way of using css grids. I think the issue (I had) with css grid is it seems co..

material design icons google font

you can just link to this like a font in your header how do we use the icons? <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> this one should ..

flex align center vertical horizontal

lets say you have a box within another box, like so: .box { height:500px; width:500px; background:#CCC; } .another-box { height:50px; width:50px; background:#999; } ..

make your images look non squished when not using image backgrounds

Update: Fixed the code, you can see it here.  i deal with a lot of sites where they have a bunch of images listed and sometimes they can end up looking a bit sqashed unless you add a div and set..

stack a table using css responsive

this can be useful for fitting tables into smaller screens, usually add this to a media query. #tableid td { display: table-row; width:100%; display:block; } and with a screen size added @me..