[c]#include <stdio.h> int main(void) { int i = 0; i = i++ + ++i; printf("%d\n", i); // 3 i = 1; i = (i++); printf("%d\n", i); // 2 Should be 1, no ? volatile int u = 0; u = u++ + ++u; printf("%d\n", u); // 1 u = 1; u = (u++); printf("%d\n", u); … Read more
What is wrong with using feof() to control a read loop? For example: [c]#include <stdio.h> #include <stdlib.h> int main(int argc, char **argv) { char *path = "stdin"; FILE *fp = argc > 1 ? fopen(path=argv[1], "r") : stdin; if( fp == NULL ){ perror(path); return EXIT_FAILURE; } while( !feof(fp) ){ /* THIS IS WRONG */ /* Read … Read more
What is undefined behavior (UB) in C and C++? What about unspecified behavior and implementation-defined behavior? and What is the difference between them? Best Answer Undefined behavior is one of those aspects of the C and C++ language that can be surprising to programmers coming from other languages (other languages try to hide it better). Basically, it is possible to write … Read more
TL;DR int *sieve = (int *) malloc(sizeof(int) * length); Has two problems in result of malloc. The cast and that you’re using the type instead of variable as argument for sizeof. Instead, do like this: int *sieve = malloc(sizeof *sieve * length); Long version No; you don’t cast the result, since: It is unnecessary, as void * is automatically … Read more
I made a separate html file with custom css and js files. I want to integrate it into a wordpress site. I can copy and paste the body part of the html, however I don’t know how to add css and js files properly. If I modify header.php, it will add these files to all … Read more
I am trying to change the WooCommerce loading spinner icon. It’s defined in the woocommerce.css: [php].woocommerce .blockUI.blockOverlay::before { height: 1em; width: 1em; display: block; position: absolute; top: 50%; left: 50%; margin-left: -.5em; margin-top: -.5em; content: ”; -webkit-animation: spin 1s ease-in-out infinite; animation: spin 1s ease-in-out infinite; background: url(../images/icons/loader.svg) center center; background-size: cover; line-height: 1; text-align: … Read more
I’m trying to get my footer to stick to the bottom of my page. I’ve followed loads of different tutorials (most of them very similar) on sticky footers, but none of them have worked for me. For some reason the footer sticks to the bottom of the SCREEN instead of the PAGE… This is the … Read more
Use the list-style-type CSS property on the <ol> tag. [css]ol { list-style-type: lower-alpha; }[/css] See here for the full list of options: http://www.w3schools.com/cssref/pr_list-style-type.asp [custom-related-posts title=”You may Also Like:” none_text=”None found” order_by=”title” order=”ASC”]
In the “woocommerce/templates/checkout” folder there is a file called “form-checkout.php”. Copy the contents of that file to “yourtheme/woocommerce/checkout/form-checkout.php” On line ~54 there is the following code: [php]<?php do_action( ‘woocommerce_checkout_order_review’ ); ?>[/php] Move that to just below: [php]<form name="checkout" method="post" class="checkout" action="<?php echo esc_url( $get_checkout_url ); ?>">[/php] and add: [php]<?php $order_button_text = apply_filters( ‘woocommerce_order_button_text’, __( ‘Place … Read more
PHP code cannot run in .css file, however you can use inline style, such as: [php]<div style="background-image: url("<?php //url ?>");">[/php] OR [css].class-name { background-image: url("<?php //url ?>"); }[/css] The above would be useful when working with custom fields for dynamic image paths. If the image is located in the theme directory, PHP won’t be needed, let’s say … Read more
