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You don't need a regex for this. To find first you can simply iterate through the line until you find a digit. To find second you can do the same but in reverse. This is more efficient than running...
I am looking copy files platform-dependently on Linux, Oracle Solaris, MacOS, BSDs, and Windows. I have found some system calls for each platform, namely sendfile(), copy_file_range(), fcopyfile()...
There are many ways to get the previous states of HEAD, and which one to use will depend on each situation. Git keeps reference logs (also called "reflogs"), that "record when the tips of branch...
According to Which functions in the C standard library must always be avoided?, the atoi family of functions is dangerous and should never be used for any purpose. The rationale given in the answer...
This is usually handled by the shell, so it depends on the shell. That said, the relevant command is named the same across many different shells. Namely, the disown command. You can probably enter ...
I want to run a program, e.g. Firefox, from terminal, but whenever I close the terminal, program closes too. How to detach my terminal window from a program ran from it?
Let's say I have this class: class myService { private boolean foo(T arg) { return arg == 42; } public Response bar(U arg) { if(foo(U.field)) { return Response.st...
void (*ptr)() defines a function pointer. It says that ptr is a pointer to a function. But that function must have a void return type, and take an arbitrary number of parameters (that's what the em...
I am developing a web app that is tied to a database. My codebase is stored on a private GitLab instance. I would like to set up a workflow that would look something like this: I have a developm...
I am interested in finding out all the aspects I need to cover in order to correctly assess if a user has stopped interacting with a web page. So far, I found the following: Idle Detection API -...
Many questions and answers on Software might involve a lot of code that typically require more width and/or height to be displayed in a way that is easy to read. Why simply not enforce resize: non...
It's worth noting that logging out a user goes way beyond not fetching a token, because your UI needs to inform the user he is about to be (or has been) logged out. And if your UI closes or locks i...
During a presentation of a pipeline configuration, a colleague showed a SonarQube integration and one of its reports. A warning was caused by overrunning the max value for the code complexity thres...
I would like to ask a question about the pros/cons of using a library or more generally a way of assertion of complex data models. This is more related to testing than it is to actual coding, but ...
See this picture How do you answer in that thread? Hmm, there are two buttons. One says "show more". I click on that and the thread collapse. Is that "more"? Ok, so I click on the thread agai...
I use the devise authentication gem for a Rails application and it's very convenient. Typically I want my users to confirm their registration by email. Therefore the User model looks like class U...
I am attempting to write a program to simulate Hunt The Wumpus in the K programming language. The game requires a grid that is created by the vertices of a Dodecahedron, which is cyclic and triangu...
If you do not mind having so much code on a single line, the builder pattern might be useful here. Something along the lines: Note: the example is adapted based on an implementation I have done in...
I have the following scenario (in MySQL 8): CREATE TABLE `steps` ( `id` int NOT NULL AUTO_INCREMENT, `number` varchar(30) DEFAULT NULL, `parent_number` varchar(30) DEFAULT NULL, `timestamp` ti...
You should be able to pre-set confirmed_at when you create the User instance: user = User.new(confirmed_at: DateTime.now) # plus any other details you want user.save!
Syntax-wise it is a function specifier and may in theory appear everywhere where inline (or rather the syntax item function-specifier:) can appear, since the standard doesn't say otherwise. Though ...
I need to load a site based on a cookie. I wrote code to validate that, like this. if(!isset($_COOKIE['cookie'])){ $domain = $_SERVER['SERVER_NAME']; setcookie('cookie', $cookie, time() ...
As a baseline, here's what we did in my last company: For tests, we used an in-memory database, whose schema was initialized by our object-relational mapper, with initial data loaded either from...
I understand that in object oriented programming, an object is an instance of a class. Not necessarily. JavaScript famously supported object-oriented programming but did not support classes un...
As with anything computer science-related that dates back to the 1960s and 70s, things just happened at a whim. Everything was new and highly experimental back then. Nobody knew how to write or des...
