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I'm working on an integration with a proprietary (black box) system. There is some TCP communication that occurs between two microservices. I've managed to sniff the traffic and it's being sent in...
Let's say I have this class I want to mock class A { public void add(T arg) { B b = A.getB(); U val = somefunc(arg); V ret = b.add(val); } } I have a spy o...
I'm using the os.rename function in a lua script. It works perfectly fine for renaming files on my hard drive, e.g. os.rename("test.txt","/Users/username/Desktop/test2.txt") will rename the fil...
In a dense DOM tree created by a content management system which I didn't create and don't know much about there might be pseudo elements hiding in various places. To ensure that, I want to run so...
I have followed Nick Chapsas' tutorial to avoid throwing a ValidationException to treat validation errors and instead rely on LanguageExt.Common.Result<> from LanguageExt library. I have ma...
Try It Online! is an online interpreter for many supported languages, including PHP. I'm trying to solve coding challenges using the language, specifically "Hello, {name}!". In PHP, you can litera...
I have this bootstrap code (grid) <div class="container p-3 center"> <div class="row"> <div class="bg-light border-bottom border-secondary border-top col-6 te...
As a relative newcomer to Rust, I'm trying to understand the behaviour of lifetimes, but I am confused by the following code: let s: &str = "first"; let mut r: &str = s; println!("First ...
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...
In Git documentation, there are lots of references to the term "HEAD". But what exactly is it? Some places refer to it as "a pointer to the current branch". So it's a branch? What is it used for?
I have a Makefile in my Jenkins job's workspace, that I want to edit out certain parts from and then save it, before running next part of the script that uses this Makefile. The part that I want t...
I am developing an application that targets Linux-based OS, and I need to store the user's configuration, metadata and other things in a persistent way (i.e. on the file system). I know that one c...
I found a form I wanted to duplicate on a roof construction website. All my input boxes are centered except the last one that's a bit off and I cannot figure out why. Here is my code: HTML <...
I was playing around with mapped tuples and came across an interesting case where TypeScript cannot infer the types used: interface Foo<A, B> { (a: A, b: B): any } function test<...
Consider this code: #include <stdio.h> int main(void) { static void *ptr; if(ptr == NULL) puts("It's NULL!"); } I wonder if this is guaranteed to print "It's NULL!" I know ...
I'm using ffmpeg to apply a filter in between two time points. I am using the between() operator to specify the times. For example, to apply the yadif filter between 30 and 90 seconds I run: ffmpe...
What does ptr() mean in this code? #include<stdio.h> #include<stdlib.h> void PrintHello() { printf("Hello\n"); } int Add(int a, int b) { return a+b; } int main...
On branch-x, I do git merge branch-y Now there are some conflicts, and git status shows Changes to be committed: new file: a new file: b Unmerged paths: (use "git a...
Could someone explain this part of the coding for data structures & linked list? I actually got this code from a textbook but no matter how I read the textbook, I still don't get the concept &a...
I misunderstand why the following code outputs -1 in console. x = 42; x = (x == 42) * -1 + (x != 42) * x; -1 Due to Type Coercion, the comparison of x to 42 yields true and is thus transl...
I was trying to show transition on activity changes. I had followed two method from SO. I lost those link so I can't add them here. My first method was I had used overridePendingTransition on onCr...
Are there practical reasons for designing/implementing a method(s)-only class/object? Follow-up background notes: This question is for languages that are not exclusively Object-Oriented, for exam...
I want to remove a deprecated entry from the default build.gradle file as well as change the default layout of an empty activity to use Relative Layout instead of constraint. I'm using Android Stu...
#include<stdio.h> struct Book { char title[20]; char author[20]; int pages; }; void init_Book_types(struct Book* aTitle,struct Book* aAuthor,struct Book* aPages){ aTitle->ti...
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 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() ...
There are a lot of articles and presentations that show little love for ORMs. This is mainly because some queries are so complex and heavy on the database that they lead to significant issues in p...
Unable to boot from manjaro usb key it looks like it is due to secure boot how can I do it without disabling the secure boot
I have a variable that contains a string: $CCSR = "branches/features/arm_and_musl" I want to get only the part after the last /. In this case it's "arm_and_musl" but it can be anything. So som...
Let's consider the following code: const char a[][4] = {"aa", "aaa"}; const char *b[] = {"bb", "bbb"}; const char *const c[] = {"cc", "ccc"}; For shared libraries, both b and c arrays require...
#include <iostream> using namespace std; int linearSearch(int array[], int n, int key){ for(int i=0;i<=n;i++){ if(array[i]==key){ return i; } } } int main() { int ...
In git I branched feature-A from master. To reduce eventual merge conflicts later, I branched feature-B, which heavily overlaps and depends on A, from feature-A. A build of the feature-B branch s...
To get a value from an assoc and provide a default value if the value does not exist, I am using the following definition: :: at-def ( key assoc default -- value ) key assoc ?at [ drop default ] w...
How can we use git-send-email(1) to sign patches (emails) with the gpg(1) keyring? I've heard it can be done, but couldn't find anything in the git-send-email(1) documentation nor in a web search.
I have an ASP.NET Core 5 web application that provides functionality that involves file upload + rather large processing (memory consumption mainly). After each processing (with success or not) the...
Using Angular-IMask, I'm programatically updating the field that has IMask. So I'm getting the error: "Element value was changed outside of mask. Syncronize mask using mask.updateValue() to work p...
Why ContactsContract.CommonDataKinds.Event.START_DATE always returning contact number. The number is available in Google Contacts. Here what I am doing... Cursor c; if (contactID==""...
I handle several projects that use yaml files for configuration, and load them with YamlDotNet. It is sometimes useful to log the effective configuration when the program starts, to aid future debu...
I have just created an ASP.NET Core 6 application and added NLog support for logging: NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger() However, this API is almost deprecated as ...
Despite the fact that I have programmed against SQL Server for quite a while I did not pay much attention to the tempdb database. This is especially true if application logic is mostly written usin...
I wish to view the revision-history-webpage of a webpage in MediaWiki without the conventional button to do so (I've disabled that button for aesthetic reasons). Please disable the MediaWiki View ...
I have created two PHP modules, one is a contact form module and one is a a sticky "call now" module. I can access the contact form by example.com/contact_form.php but in contrast, example.com/cal...
I would like to maintain a log that is available to several modules in my Angular 8 system. So I created the following service: @Injectable({ providedIn: 'root' }) export class LogService { ...
I am trying to listen to the event in which the keyboard key containing the Hebrew final-letter ך is pressed. This key stands for both the English letter L and the Hebrew final letter ך. If my op...
I have a variable defined using const keyword. function Text() { const variable = "Hello!"; } console.log(variable); When I try to access this variable, I get: Uncaught ReferenceError...
I am trying to create an app with two toolbars on top and a specific collapsing/expanding behaviour on scrolling. See the mockup to get a deeper understanding of what I'm trying to achieve: I fo...
I am building an MVC cart system. I have the MERCHANTS table and the PRODUCTS table. A merchant (store) can have one or more products, everything works fine but what I want is to display products b...
I'm starting a small site with some online tools. Tried to include Google Adsense but I initially got rejected because the site was still on construction. Yet I've seen in the forums that they are...
I have two tables: Table1: Name Description Amount 123 Description123 123 456 Description456 456 789 Description789 666 101 Description777 101 133 De...
Context Our product owner has realized that some entities are duplicated from time to time and that a merge is required. This should clean up existing duplicates and also allow special users to me...
