General Q&A about programming, scripting, software design & architecture, process, tools, testing, and more.
This revolves around images. I'm trying to write an HTML page of COVID-19 safety procedures, and here's what I've written so far: <!DOCTYPE html> <html> <head> <title&...
I want to ensure I understand the following code; credit to user:m3g4p0p on Sitepoint, for this code: const walker = document.createTreeWalker( document.body, NodeFilter.SHOW_TEXT ) let...
Based on my last question comes new one. How to loop over 300 000 rows and edit each row string one by one? I have a list of 11-digit numbers stored in one single column in Excel, and I need to s...
The following list comprehension worked when I tried it: [num for num in hand if num != 11] But this doesn't work: [num for num in hand if num != 11 else 22] which led me to believe that you ca...
I have a Looker table look displayed to users using SSO embedding in an iframe. When displayed to users, the users can access the column options menu via a cog-wheel dropdown. In Admin > Platfo...
I have a map and a new item to add to the map and a list of keys I want to attach the new item to: => m1 {:a 1 :b 2} => itm 3 => ks [:c :d :e] => m2 {:a 1 :b 2 :c 3 :d 3 :e 3} ...
I want to dye all label asterisks Red with vanilla JavaScript. CSS isn't good for this because it would dye both asterisks and colons (:) instead just the asterisks: .labelWithColonAndAsterisk:af...
I want to change the font-family of all elements in a document with JavaScript. I have tried this: document.querySelectorAll("body").forEach( (e)=>{ e.style.fontFamily = "arial"; }); ...
Preface: This is a self-answered Q&A meant as a C string handling FAQ. It will ask several question at once which isn't ideal, but they are all closely related and I'd rather not fragment the p...
In PHPMyAdmin 5.1.1 I have created a user account and a database with the same name and granted all privileges to the user on that database. I have exported the database to a backup file, deleted ...
I have a "Our menu" webpage automatically created with Drupal 9 Views module which presents a miniature version of each menu dish webpage in that "Our menu" webpage (illustration image below). My ...
I have a list of 11-digit numbers stored in one single column in Excel, and I need to separate the digits according to this pattern: 2-2-1-3-3. Example: 00002451018 becomes 00 00 2 451 018. How c...
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 have a JavaScript file in GitHub which I typically run by copy-pasting all its data into different user script managers (USMs) on different web browsers. I need to start executing that remote fi...
I spend a lot of time writing CLI tools in Python, and I would like to support tab-completion in a style similar to Git. For example, subcommands should be tab-completable, options should expand ba...
By principle, I normally work with two different companies for establishing websites for myself: One for domain registration and domain-sole email address One for web application hosting My ...
Is there possible way to run XML like as HTML? Suppose, I have following code. <?xml version="1.0" encoding="UTF-8"?> <breakfast_menu> <food> <name>Belgian Waffles&l...
I often see the construct if __name__ == '__main__' in Python code. For example, the queens.py demo in the Python repository ends with these two lines: if __name__ == "__main__": main() Ho...
I manage a wsgi application that accepts JSON data via POST from potentially untrusted sources. Normally it is treated as a text blob and never parsed, but there is a value in the expected input th...
The context A reports related process is directly reading the production operational database once about two hours. This involves reading all the data from some 70 tables which takes a couple minu...
I'm using Java code as an example, but this can be answered if you don't know Java. class Bird{ public void sing(){ System.out.println("Testing"); } } class anClass ex...
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 have recently stumbled across the Maybe (or Optional) modal usage in .NET Code: example code or this one example article Based on everything I read, there are multiple advantages on relyi...
What exactly must a C compiler do when it finds a compile-time error? The most obvious kind of errors are language syntax errors, but the C standard also speaks of constraints, which are rules tha...
There is an external program I'm calling from within my C/C++ program, by using fork() and execl(), and redirecting the stdio with dup2() to be able to read the output from the external program. I...
Angular 12; .NET Core 3.1 Following a code-maze tutorial, I have a working authentication (registration/login) service using .NET Core Identity. After login, I would like to add 'username' data ...
What is pathData? I was thinking to convert SVG to XML. I found it. In the code, I had seen that android:pathData="M 64 2 C 98.2416544895 2 126 29.7583455105 126 64 C 126 98.2416544895 98.2416544...
I was installing Java yesterday. I had faced lot of problem. I had fixed most of them. But I had changed Hash that's what I think. I don't remember which command I had executed since I had executed...
I often work bidirectional text in content management systems and often that text has parenthesis (()) or other textual wrappers flipping after an English text which is preceded in itself by some R...
Now I build a Python script to execute automaticaly a dynamic analysis on apk and I block because I use this library and call objection. When I run my script, the objection command creates an inst...
I understand that innerHTML does all the following actions: It makes the element we work on (or even the entire DOM tree that we work on if that element is <body>) to be copy-pasted into a...
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 had found a better way to plot in Java. int n = Integer.parseInt(args[0]); // the function y = sin(4x) + sin(20x), sampled at n+1 points // between x = 0 and x = pi ...
I was trying to plot using following lines in C++. #include "koolplot.h" int main() { plotdata x(-6.0, 6.0); plotdata y = sin(x) + x/5; plot(x, y); return 0; } When I was...
if (type=="dialer") { String timestamp = list.get(position).get(Constants.DATE); holder.txtTimestamp.setVisibility(View.VISIBLE); holder.imgDelete.s...
I define a software event as any state of a program to which we can probably respond. In JavaScript, how does event delegation differs from more simple and probably more common event handling patt...
<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg version="1.1" id="Capa_1" x="0px...
I was trying to install Netbeans in Xubuntu. I had installed Netbeans using Snapd. sudo snap install netbeans --classic I was trying to start Netbeans then I got an error which was looking like...
MarkFuncs has really gotten huge progress, at least in my eyes, and now, I want to make math possible in the language. Background MarkFuncs is a programming language that I have been working on f...
When reading questions about C programming from beginners, I very often see them describing peculiar run-time errors and crashes, segmentation faults and similar. They have spent a lot of time chas...
If I have a one-dimensional array, I can get the length of it quite easily: var x = moves.Length(). However, if the array is multi-dimensional, .Length() returns the total number of elements. If ...
Could not find com.github.Kunzisoft:Android-SwitchDateTimePicker:1.9. Required by: project :app Search in build.gradle files I was trying to use the library. I had searched for 2.1, 2.0 a...
query = "CREATE TABLE "+TABLE+" ("+COLUMN1+" INTEGER PRIMARY KEY NOT NULL AUTO_INCREMENT, "+COLUMN2+" VARCHAR(255), " + COLUMN3+" VARCHAR(255), "+COLUMN4+" TEXT, "+ COLUMN5+" VARCHAR(255)...
In the code below, the value of order variable should change according to i's value: String order; switch (i){ case 0: order = CallLog.Calls.DATE + " DESC "; contactViewAda...
What's the better way to store base64 in SQLite Database? I was thinking to put base64 as TEXT since base64 has lots of chars. CREATE TABLE name (id INTEGER PRIMARY KEY AUTO_INCREMENT, image TEXT)...
How can I monitor an Angular frontend with Prometheus? I was able to create metrics for my Node.js API using the express-prometheus module. But I can't find any Angular/Prometheus integration. Basi...
I have a .html file containing only the following data, and I keep that file on top of my website's directory. <link rel="stylesheet" href="./css/mobile_general_structure.css"></link> ...
In my browser's JavaScript console I can add to the <body> element one file (index.html) with the following AJAX code: const whereToLoad = document.querySelector("body"); const ajax = new X...
I was using static method few moments ago. But I noticed that I was returning a variable using that static method. According to the article, Static is a keyword that identifies the class-related...
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...
