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..

get yesterdays date with javascript

This gets todays date and minuses one day from it to be ... yesterday.  let yesterday = new Date(new Date().setDate(new Date().getDate()-1));console.log(yesterday); This format is the full da..

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 ..

php function to remove the query string from a url

i was reusing this a few times manually and thought i would save my self a bit of time by just using the following function which returns the same full url, but removes the query string from it. ..

load json data url or api with javascript

this loads a target json url or api using raw javascript so no jquery required with this one then logs the data returned to the console. 

add a divider to your dropdown nav toggles

good for seperating menu sections in the same dropdown item add this to your toggle <li><hr class="dropdown-divider"></li>

How to Pass Props to a Stateless Functional Component in React

Props are like properties that you can pass into a component in react. A prop would be something like this in your component.  JSX <div>  <MyProp id="1234" /></div> The..

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..

twitter social sharing meta tags

I had done this one so many times on client sites I actually forgot that i had not applied it to my own site! Doh! Anyway this is the tag setup i use for adding the title, url, author and featured im..

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. 

link to a custom style sheet in your theme directory wordpress

this is how you can include a manual link in your wordpress header file with a link to a stylesheet called theme.css then if you change theme names or something it will still link correctly, rather t..

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..

change selected color on input elements css

this can be useful if you are using darker form elements and they happen to have white on white text, so you can target the :focus on the input. here is the text input before the colour change, the c..

javascript update item in object

find something in a javascript array by its array id and then update the value of that item i changed this from an array to an object as i wanted to use something other than numbers for the index Ob..

check if a file exists with php

checks if a file exists in php returns true of false

mouse enter mouse leave jquery hover hoverout

showing how you can do things on mouse over and then something else when the mouse leaves an element using jquery

button with separated chevron

I have come across this kind of button format a few times now in various designs and the html and css for it is a bit different to normal button formats I have found.  Chevron Detached Button Ex..

still more comment spam

this is getting annoying now. so much spam. i already have the google recapture, but spam is still getting through. who runs this stuff, bots i guess. annoying.  update: 10 August 2021 Still..

add some foundation tabs working example

they show the tabs here on the example page, but there is no full working code... for some reason. So i thought i would add one here. Hmm foundation makes this site look weird, and very bright! :P ..

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 ..

white space break word css

controlling the white space of an element with break word, this can be handy if you need to fit something into a fix but the item has no spaces, otherwise usually by default this will overflow out of ..

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...

right align something in its element

easily align a block or inline block item to the right in its outer element

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..

this is a weird one table underline appearing and dissapearing on mouse over

very strange that also reminds me that i have to get rid of these random searches idea: i was thinking of adding a more detailed hit system where it can record the month and also the year of the..

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..

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..

hero widget header - creates a nice looking hero item from a target uid and class

this creates a "nice" looking hero widget, just wanted to create something that looked decent and had an attached background image, surprizingly annoying to link items together. For some reason i kee..

prevent default click event on link

This will prevent the default event on a link url, so for example if you have a <a href="">link</a> link this code will prevent it from loading the href link when clicked and you can do so..

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..

set active class based on url value

this will check the full url and then loop through all the a elements in #test-div when it finds a matching url it will add the class active to that button this is good for persisting active links o..

css responsive max and min targets @media

showing how you can target elements within a max and min screen width demo:

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-..

zoom background of element when active

I just wanted to see if something like this zoom was possible but just using the background image and leaving the foreground content in the element with no zoom.  https://kruxor.com/view/code/kM..

using moment.js to make your time format nicer

moment.js is a very nice way to handle multiple date strings and output them in a nicer format.  grab the latest copy of momen from cdnjs lets say our date is in this format, i think this is un..

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..

add click event to multiple link items

this allows you to get every a element in a-div class and stop the link from loading, so you can do other things with it like run a function or something else Functions used: Javascript Wait for th..

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..

adding background blur to an image using css fill screen

I had noticed this cool looking effect used on places like google, and other sites that display portrait images, i think i saw it on the google home as well or maybe google photos.  Its basicall..

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..

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..

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..

make an image white with css using filter brightness and invert

If you have an icon or something with transparency this can be useful if you dont want to have to edit the image and create another copy of it you can apply the filter brightness and invert. You can ..

CSS Grid Frame Work

8 Dec 2020 Yes i dont have an cool names for it, I just wanted something fairly light that can replace the bootstrap and foundation grid and basic components that i use so often, some of these framew..

Monitoring Visible Objects on Screen

i found this one when researching how to detect visible objects on screen, and then doing something with them. This one does not use any external scripts to change the box colour as it becomes visible..

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 ..

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..

bootstrap collapse or toggle a div visibility

if you have bootstrap and want to toggle an element or show and hide a div its already built in, just use the following code to toggle something. 

center everything in a div with flex-center (centre)

i usually add this to my base css styles, as a way to easily center something in the middle of an element.  then you just add this flex-center class and everything will be horizontally and verti..

generating all css colours with php?

I was looking at doing this just to generate all css colours, i think the only issue is there is a lot! You can do this with rgb(0,0,0) all the way up to rgb(255,255,255) how many seperate colours is..

fix for Uncaught (in promise) Error: reCAPTCHA placeholder element must be empty

This is usually caused by something being inside the element used to render the reCAPTCHA. In this case tinymce was adding a &nbsp; or a <p> tag to the element Removed the space and this f..

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..

Bootstrap Darkmode Switch

I have tried this before without success but i googled "Bootstrap Darkmode Switch" and found this repo at the top of the list. So i thought i would give it a try on here and see how it looks. Demo pag..

add a tag to wordpress header from a plugin

when i googled this it just showed me plugins to add and remove things from the wordpress header. here is how you actually add your own tags to the wordpress header. This function will add the tag hi..

matches the url and does something if it matches a certain string

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..

Nginx Server Block with Rewrite

Nginx Server Block with Rewrite Here is a basic nginx server block with rewrite to the index.php file. So it takes all the parameters and passes them into the index, into the variable $p or $_GE..

center something with css not using flex

This is how you can center something in another element if you dont want to use the flex method.  You will need the relative position on the outer element, and the absolute on the center one unl..

jquery enable and disable attribute

enable and disable an element

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

check if something is an array

this function will check if something is an array

add something to the start of an array with unshift

unshift is the opposite of push where push adds to the end of an array unshift will add to the start of the array.

using local storage rather than cookies to store data (localStorage)

you can see what is stored in local storage by typing this into your browser console. localStorage Adding something You can add something to local storage by using the setItem function.

remove something from the end of an array with pop

pop is the opposite of push and will remove the last item in an array, it also returns the value so you can assign it to a variable

add something to the end of an array with push

you can easily add to the end of a javascript array with the .push function.

jquery click function

Bind something to a click event on an element using jquery. Needs to be combined with a document ready.

using flexbox to align elements in a row

flexbox is so good at aligning elements, yes i used to use float left and then percentages and overflow auto or hidden the surrounding div, but now with flex you can just do something like this.

Dropdown Box with Searchable Text

Here we have a dropdown select box, that you can type into to search the available options. No Javascript Required for this the browser does all the work. Press into the text box, and you will see a..

function to create a uid from html

this function converts a html string into a uid or unique id type string, its not actually unique, but its a string that can be used to make the title of something that contains html into a usable str..

How Many Days Since a Date and other Calculations

Here i calculate the number of days since a certain date in php and use the values for checking how much something costs per day.  Start Date Lets add the date that the item was purchaced. In d..

Core Class - Basic Core Structure

A Core class that can be used as a base for all content types and uses the extend classes to define the database variables. So basically you can set up core class and then create sub extend classes to..

generate a random color rgb code with php

this code will generate a random color every time its loaded using the rand function in php and generate something like this. .random-color { color:rgb(111,222,111); } PHP Code <?php ..

Get the document root path in php $_SERVER['DOCUMENT_ROOT']

I ususally use this one if i am linking to files in the server document root folder rather than specifying ../directory/include.file.php i will use something like this:  $document_root = $_..

using parse_url to extract parts of a url

Category: PHP the parse_url php function will split a url into an array of url fragments $url = "http://kruxor.com/path/?argument=value#anchor"; var_dump(parse_url($url)); parse_url example ..

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

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..

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..

sqlite delete data older than timestamp days

good if you need to delete data older than a certain date, i tested this and it seems to delete data older than 2 days but might have had the time stamp incorrect or something. DELETE FROM $db_tabl..

google map with overlay data

Ever wanted to add a really slightly complex google map to your site? Working Example /* Always set the map height explicitly to define the size of the div * element that con..

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');..

do something later with settimeout or loop with setinterval

setTimeout This one will run a certain time after the document loads. So if i want to execute something 5 seconds (or so) after the page loads i would do this. You will need to check your console..

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..

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..

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..

load content with jquery

Load data from the server and place the returned HTML into the matched element. this one seems simple but very useful $( "#result" ).load( "ajax/test.html" ); this one will load the content o..

jquery accordion

here is an easy drop in if you need a quick and dirty accordion sometimes you just need something quick, here is mine for the jquery accordion also changed the default selected tab to green rather t..

responsive viewport meta tag (responsive meta tag)

this one meta tag will make the page appear correctly on mobile devices. You may need to do other things to get all the other elements to fit. Here is the one I usually use <meta name="viewport" ..

transitions and the easy way to apply them

Would you like your element to transition nicely? well you can do it in about 1 line of css. .transition { transition: all 2s; } This is the one I usually use, as its not too slow. transitio..

why are people so amazed that a column layout can have a full width element

Is it because its inside a grid still? i must me missing something anyway i have been noticing that there is this post (and this one) going around showing that you can break out of a css grid and go ..

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; } ..