I am making an e-commerce with two menus: filter by category and sort by price (high to low and vice versa). I’ve already made a filter menu, but I am not sure how to create a sort by price menu. I successfully achieved it with plain JavaScript, but I’m having some troubles understanding how to… Read More React sort by price menu
While working, I encountered inconsistent behavior of the sprintf function. Let’s take the code: vec = c(0.01, seq(0.1, to = 0.95, by = 0.05), 0.99) RET <- lapply(vec, FUN = function(x){ tryCatch({ test <- sprintf("%02d", 100*x) print(paste0(x, " – correct")) }, error = function(cond) { print(paste0(x, " – error")) }) }) The result of the… Read More inconsistent behavior of the sprintf function in R
I have a __mask64 as a result of a few AVX512 operations: __mmask64 mboth = _kand_mask64(lres, hres); I would like to count the number of nibbles in this that have all bits set (0xF). The simple solution is to do this: uint64 imask = (uint64)mboth; while (imask) { if (imask & 0xf == 0xf) ret++;… Read More Collapse __mask64 aka 64-bit integer value, counting nibbles that have all bits set?
I have a global service that saves a behaviour subject. The Behaviour subject stores an array. I have a filter component which emits a new version of that array, which I can see changes on the global service. However, where the behaviour subject is being used as async pipe, the values in the view do… Read More Async Pipe not updating View when observable changes
I am creating a questionnaire app and I am thinking of using the Realtime Database, and I understand that they use JSON with the following format: 1st format: Questions |-Question 1. How much money did you spend last month?: "$3000" |-Question 2: What type of expenses contributed the most to last month’s expenditure?: "Rent" To… Read More Does the child's name calculated in the Firebase Realtime Database storage?
I need to update the value of pm_virtual.meta_value = ‘no’, only for those products that have pm_downloadable.meta_value = ‘yes’. How do I do this? SELECT p.ID, p.post_title, pm_downloadable.meta_value AS downloadable_trait, pm_virtual.meta_value AS virtual_trait FROM xhdps_posts AS p INNER JOIN xhdps_postmeta AS pm_downloadable ON p.ID = pm_downloadable.post_id LEFT JOIN xhdps_postmeta AS pm_virtual ON p.ID = pm_virtual.post_id… Read More How to update pm_virtual.meta_value = 'no' in Woocommerce
I need to update the value of pm_virtual.meta_value = ‘no’, only for those products that have pm_downloadable.meta_value = ‘yes’. How do I do this? SELECT p.ID, p.post_title, pm_downloadable.meta_value AS downloadable_trait, pm_virtual.meta_value AS virtual_trait FROM xhdps_posts AS p INNER JOIN xhdps_postmeta AS pm_downloadable ON p.ID = pm_downloadable.post_id LEFT JOIN xhdps_postmeta AS pm_virtual ON p.ID = pm_virtual.post_id… Read More How to update pm_virtual.meta_value = 'no' in Woocommerce
instead of putting "border-radius: 10px;" for every single element, is there a way to make all borders rounded? I’m new to programming so I’m not sure what to try. I’m also using this for something kind of stupid so I don’t really wanna put in a ton of effort to learn the language and figure… Read More how to round ALL borders with CSS
On cppreference.com – “Qualified name lookup”, I found this strange code example: struct C { typedef int I; }; typedef int I1, I2; extern int *p, *q; // Slight modification to prevent linker error //struct A { ~A(); }; struct A { ~A() {}; }; typedef A AB; int main() { p->C::I::~I(); // The name… Read More What is the meaning of this combination of the arrow operator -> and scope resolution operator ::?
There a component mapping card elements that look like this: As you can see, the topmost, leftmost card is missing some height compared to others. How can I find the height of the highest components and set other’s height to that? This is what I was able to come up with but it does not… Read More Finding the biggest element of a component to set the height of others