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class ItemViewComponent extends React.Component {
    render() {
        return ( <View> {this.displayJsxMessage()} </View> );
    }
                
    displayJsxMessage() {
      return  {this.props.isGreeting && <Text> Hello, JSX! </Text>}
    }
}

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PARENT
 func = (smh) => { 
    alert(smh)
  }    

 <ChildComponent func={this.func} /> 
 
 
CHILD
 pressHandler(smh) {

ilhantekir

In web design sometimes you need an «empty» pixel to scale it to the desired length. For this matter I have gathered GIF and PNG both 100% transparent and white (it turns out this has some impact on the file size).

The PNGs have been ran through PNGOutWin. JPEGs I could get were above 1 KiB and for this reason are not considered.

Get all images in this archive.

Details
GIF
The winner is 1-color GIF – 35 bytes. Data URI for white 1×1 image:

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$('[id]').each(function(){
  var ids = $('[id="'+this.id+'"]');
  if(ids.length>1 && ids[0]==this)
    console.warn('Multiple IDs #'+this.id);
});

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CSS Layout Debugger

A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.

One-line version to paste in your DevTools

Use $$ if your browser aliases it:

~ 108 byte version

ilhantekir

git rm -r --cached .
git add .
git commit -am 'git cache cleared'
git push

ilhantekir

<?php
	// in the loop
	$category = get_the_category();
	$currentcat = $category[0]->cat_ID;
	$currentcatname = $category[0]->cat_name;
	$currentcatslug = $category[0]->slug;

	// outside the loop
	global $post;
	$categories = get_the_category($post->ID);

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add_filter( 'woocommerce_checkout_fields' , 'custom_remove_woo_checkout_fields' );
 
function custom_remove_woo_checkout_fields( $fields ) {

    // remove billing fields
    unset($fields['billing']['billing_first_name']);
    unset($fields['billing']['billing_last_name']);
    unset($fields['billing']['billing_company']);
    unset($fields['billing']['billing_address_1']);
    unset($fields['billing']['billing_address_2']);

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# remove specific file from git cache
git rm --cached filename

# remove all files from git cache
git rm -r --cached .
git add .
git commit -m ".gitignore is now working"

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curl -H "Accept-Encoding: gzip" -I https://blababalabla.com/js/homePage.js