The ECMAScript language specification defines the [[writable]] attribute of Object.defineProperty() as following: If false, attempts by ECMAScript code to change the property’s [[Value]] attribute using [[Set]] will not succeed. However, this definition doesn’t make any sense. There it says that i…
Server side injection on ASP.NET backend (IIS) by arbitrary file upload
I’m not an expert in cyber security and exploits. I need help figuring out if my app is vulnerable and in what way. Let’s assume I’m an idiot (and I’m not to this extent), and I leave the possibility for client users to upload (exploiting my front end) any file they want on my server i…
input type number – max value
I have an input However, if the user write manually for example 200, the input accept it. Is it something normal ? I can validate the entry with javascript but if there is a build in in the html input it would be great 🙂 Thanks Answer I don’t think there is a solution directly with HTML; the max and
How to add/update text of elements created with insertAdjacentHTML method?
I am trying to create p tags and inside them span with insertAdjacentHTML method and give each one of them unique id, and after that I want to change or update the textContent, but I don’t know the reason why it is not working?. If you have the solution please help me. Answer Now, I don’t know tha…
Jmeter – Sending forms with file through JavaScript
I have a problem with sending form with file through JavaScript using Jmeter. It simply does not succeeded. Unfortunately I do not have any logs from that situation. But when I am sending form without file parameter through JavaScript using Jmeter it succeeded. Once I add parameter with a file it does not. Tr…
Select an item from dropdown and use that value in another component in React native
I’m just trying to do something like that (when user select an item, then navigate to another component): Typically when we want to pass value between two component we use props : But in this case I have o idea how can I do it without invoked AirScreen Answer Just do something like this: You might want …
Generate a const typed object in TypeScript
I am trying to generate a const typed object by passing in a string I want to use as the type, is this possible, I have tried the below and it’s bringing out the wrong type. I’d like this to be of type But instead it’s of type Answer In order to infer literal type of an argument, usually you
How to sum a array like a Excel Pivot where two keys must match?
I try to sum all “Menge” and “Fehler” values where “Datum” AND “Material” must match. The result should look like an Excel Pivot. This is my code so far, but I don’t know how to add the second key “Material” that also must match . I hope you ca…
Show/hide All nested data in ChartJS Pie chart when outer is shown/hidden
I am attempting to create a nested pie/doughnut chart in ChartJS 3 and am having issues with correctly displaying the data when one of the outer segments are hidden using the legend. The second inner ring of data is just the outer ring split into more specific segments: Outer: [541, 147, 8] Inner: [300, 241, …
React – how to remove scroll listener
In Home Components, if you scroll down, you will see the Console log something. It’s because Which is Scroll Listener. The problem is that when I switch to other pages such as /about or /dashboard, the Console still log when scrolling because of console.log(e.progress);, which I want to get rid of when I swit…