天涯浪人 书童

When I take the square root of -1 it gives me an error: invalid value encountered in sqrt How ...

I\'ve got a Doctrine Entity defined that maps to a View in my database. All works fine, the Entity r...

As far as I understand the new rules correctly https://en.cppreference.com/w/cpp/language/copy_elisi...

I have a site with about 1500 JPEG images, and I want to compress them all. Going through the direct...

I am using Ruby on Rails to generate the email. As mentioned in the Email markup docs, i modified my...

Is it possible to display keyboard consisting of only numbers from 0-9 in iPad?, i don\'t want the k...

This error should be a simple one but I cant seem to make it work. The problem lies in the fact that...

I am new to Azure and Node.js framework, I am trying to store chat history in Blob Storage. I am fol...

I have two Laravel applications. One lives on the main domain and the other is on my subdomain. Let\...

I have a dataframe full of dates and I would like to select all dates where the month==12 and the da...

Let\'s say I have these assignments: points = [] point = (1, 2) How come when I do this: points ...

I have a module I use to create all my aws ec2 instances, which works fine. I now want to, optionall...

I\'m puzzled on this one. I use a program recommended on the forums to convert 32bit PNG to 32bit b...

On my Linux box, sig_atomic_t is a plain old int. Do ints posses a special atomic quality? $ gcc -v...

I have this code: var totalAmt=0; for (i in orders) { order=orders[i]; if (order.status !=\'C...