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I am fairly new to working with @ngrx pattern in Angular which is a state management pattern relying on Reactive Extensions. One of the convenient structures is @ngrx/entity which helps with manag...
I am trying to save my question that was deleted from "Webmasters StackExchange" for not being about "a problem in a website" which I published there anonymously ; below is a shortened, directly-in...
We have a bunch of dead branches in our git repository, and I'd like to clean them up. Ones that were merged (but not deleted at the time) are easy; we can see those in the branch list on Bitbucke...
How can one differentiate what is or is not a *nix operating system even if that operating system (or its core/shell/common-utilities) allegedly behaves like any "other" *nix operating system? Is ...
On a CentOS Apache-MySQL-PHP environment I have a website with a simple HTML-PHP-CSS contact form; the contact form itself is working. This is how I backendly redirect a user from the contact form...
Context Our team has begun migrating a pretty old internal application and one aspect that got my attention is the impersonation. This is implemented as follows: only administrators are allowed...
I have an HTML-PHP-CSS contact form with a date field: <input type="date" name="date" id="cf_input_date"></input> The default value in this field is the W3C built-in default: dd/m...
I have a simple HTML-PHP-CSS contact form (no JavaScript) with an input type="url" field. Currently in 30/03/2021, the default behavior of input type="url" (by W3C design I guess) is to obligate t...
I want to conditionally disabled or not (enabled) a bunch of reactive form controls. However, I have noticed that neither enable or disable function has a boolean parameter to nicely conditionally ...
I have a simple HTML-PHP contact form with some CSS. I desire to prevent the default behavior of the form which leads the user into a blank PHP page after submission, and, to have the form being s...
I transfer emails from my Right To Left (RTL) contact form → to my local email box (powered by Roundcube). Emails reach my email box (inbox) just fine but I have a problem were PHP variables aren'...
Context My ASP.NET Core application got stuck in Production with a 5xx error. By inspecting the logs, I have noticed that a database error occurred during application initialization, namely a SQL ...
I consider to make my website's contact form totally javascriptless (only HTML-PHP-CSS --- no JavaScript at all). No modals or alerts No prevent default No AJAX/AJAX/XHR/JHR No form disappear...
I host my website on a CentOS-Bash, PHP and MySQL environment; my local email client is engined by Roundcube. I don't know almost anything about PHP nuances. While my web domain registration is do...
On 25th October 2020 in Europe/Berlin clocks where set back from 03:00 AM to 02:00 AM to change from summer time (CEDT) to winter time (CET). Which means there is a 1 hour separation between 02:30...
I rent a shared-hosting environment with CentOS-Bash, Apache, PHP, MySQL and a web-based IMAP email client (Roundcube) and some more tools, on which I host my personal website; I don't have Cpanel...
I'm used to working in Python, but my current project is in C#/.NET and uses log4net for logging. Out of the box, log4net uses an XML file for configuration. I dislike XML and want to use something...
On a shared hosting (CentOS-Bash) I have a website with a backend (PHP) - frontend CMS-agnostic contact form. I need to transfer emails sent via this contact form directly to an email address (I d...
Many web login and contact form features could be set as standard HTML builtins without the need to develop and backend and/or (non HTML) frontend for them, for example: Select field Input Date...
I wish to fill an array with strings, using Bash scripting. The strings are in a file, one per line. Here is what I've tried: declare -a my_array=() while read line; do my_array+=( "$line"...
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 am styling a simple HTML-PHP-CSS contact form and I have considered to give some min-height pixel value CSS style to the form's submit button. I ran a Google search with the query: min-height...
I use CentOS with Bash and I would like to download, execute and delete the executed downloaded file (running a remote/cloud script locally). I often prefer to load my own shell scripts from my ow...
I have tried many different ways to do this with apache but the server seems to not be receiving the data. Stacktraces are not being printed so I can only assume I have the request set up wrong for...
I work with CentOS operating system and my only shell is Bash. I want to create a script which prompts a user with a question like "What is your web application root?" The user should answer dire...
I want to match standard email syntax (lowercased English, numbers and perhaps also some hyphens and underscores) with regex for a sed operation that matches and changes a single email address insi...
I host my website on a PaaS-modeled, shared hosting environment by SiteGround which is quite a well known hosting company with (as I believe) well-venerated email servers. I am trying to create ...
The concept of field separator has some private cases in different operating system shells and their utilities (IFS on Bourne shell and derivates, RS on AWK and perhaps more) but I am having troubl...
There is this service for website owners which is a both an email server (Backend as a Service) and a comfortable GUI for creating contact forms (Frontend as a Service). Website owners who don't w...
I find myself often writing code like this. try { // code } catch( FailedReadException const & ex) { file.close(); std::cerr << "Read failure " << ex.readFailure() <&...
I have to add health checks to a rather new application (Web API, not a microservice) and I and a colleague are not agreeing about what other systems I should include in the check. This application...
I added the numbering. It's a virtual machine. Basically, it's one or more computers pretending to be one or more computers. Believe it or not, this is incredibly useful. Say you have som...
My Word document has just 1 column, and I don't want to convert it into 2 columns. When you command Word to print 2 pages per sheet, Word doesn't let you shrink the white margins. How can I improv...
Please compare and contrast – explain like I'm 5, in SIMPLE English – all 9 methods below? English isn't my first language.
Pre-suppose I have pictures numbered 1 to 400. I want to simultaneously combine every 4 pics in 1, so that I end up with 100 collages. Picture 1-4, 5-8, 9-12 ... will be combined. Indubitably it's...
Consider the following code: public class OnlineShoppingService { @Transactional public void cancelOrder(String id) { if (shipmentRepository.findShipmentForOrder(id) != null) { ...
Is uint8_t guaranteed to be a character type if it exists? Will using a uint8_t* to examine bytes of an object cause violation of the strict aliasing rule? Is the following legal code: #include &l...
I'm trying to parse lines like "THIS. THAT..OTHER " so that "THIS. THAT." is found. There can be more than one <word><dot> separated by a space except no space after the last one. ...
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 ...
I'd like some help understanding why the third call to print() raises AttributeError: 'NoneType' object has no attribute 'format' from os import path import inspect def myfunction(): pri...
In C#, I have two lists and need to mark records in the first based on the second. Here's a sample: public class Vehicle { public string Make { get; set; } public string VIN { get; set;...
For my purposes, it is secure enough to use passwords to execute MySQL commands on the command line, what I would like to do is disable the warning that says, mysql: [Warning] Using a password on ...
Based on my understanding HTTP is something client and server speak in, I mean it is like a language for a server and client to communicate(not exactly a programming language). Then how to understa...
I am a noob Java programmer. I want to create a simple login page with just username and password. So I have to combine Java and HTML. While googling I found that Servlets do the job but people are...
Consider an object for which a method is invoked. Beyond certain point the method no longer accesses this at all. No read/writes of non-static members. No invocation of non-static methods. Is it ...
C# language version 8.0 introduces limited support for static methods, operators, etc. in interfaces. However, there are still limitations. I was hoping to use the new language features to try a ge...
I have been using open-source software, and the open-source Community is great at maintaining such projects. But I have observed something in smaller open-source projects. Whenever I demand some f...
Is it correct to destroy a mutex which is referenced but not owned by an unique_lock as in this code? { std::unique_ptr<std::mutex> mutex = std::make_unique<std::mutex>(); std::u...
I'm trying to write an interface to define the set of operations I expect my repositories' Unit of Work implementations to have, and I want this interface to be fulfilled by EF Core's DbContext cla...