I am little new in JavaScript and Google Map. I am trying to draw lines between my multiple location. I am following this example. My Code is like this Its showing places fine and without issue. Its just not drawing the lines. I am getting error like below I am not getting idea what I should do for fix the
Category: Questions
concatenative inheritance two methods with same signature
The code below prints only the event contents, how do I make that print WheatherData.value number? I am coming from java and I am used to do it this way. Answer The line above causing the problem. When you assign _event object to { getValue, toString } object you are simply overriding toString method of Weath…
In “mongosh”, how do I delete all databases without deleting the typical “admin”, “config”, or “local” databases?
What am I trying to do? I wrote a script called deleteDatabases.js and it’s supposed to delete all databases (besides “admin”, “config”, or “local”) when inside mongosh. I do not have access to mongo, only mongosh. What is the code that currently tries to do that? del…
Vuetify grid system wont justify horizontal position of elements
I am trying to build a scoreboard and right now i got two cards for each team. In each of those cards shall be two rows: One for the teams logo and one for the current score. My problem right now is that the alignment of the logo and score wont work. Both are still on left. Through trial and
In Javascript, why is ‘while(true’ slower than ‘for(…)’ when they are both iterating the same number of times?
Assuming that the while(true) will break at the same time as the for(…) loop, why is the for(…) faster? According to jsbench, it is about 7% slower to use the while(true) Here’s the code I’ve used in the jsbench: Using a while(true) loop using a for(…) loop: Answer The timing has…
Http PUT deletes data that hasn’t been changed
I am trying to edit a JSON data base of shifts. I am writing in Javascript using react. This is my understanding of the PUT syntax: data.json: The result is that the new shift will hold only the fields that have been changed and delete the rest. Any ideas why? Answer I had to send the whole updated shift into
How to filter object array in React
I want to filter movies by genre and country. I can do that in a very weird method. But I wonder what’s the shortcut of filtering. Is there any option that I can filter if the prop or props exist, if not leave the original? Answer Rearrange your data in a way that allows you to enter a single value
Is there a way to perform full text search on multiple columns on Supabase with Javascript?
I’ve tried using many symbols to separate columns; ||, |, &&, & with and without spaces. For instance And nothing has worked 🙁 Answer You could create a SQL function to perform search like this: You can call this function like this: You can read more about textSearch here
How to change AJAX POST URL based on radio button?
Can you help me and give me advice . How exactly can i make the AJAX to change the post url based on radio button. Do i need to use If statement or ? Answer Thank you guys , simple !
socket.io emitting to all clients works, but emitting to room doesn’t work
When I try io.emit(), the message gets emitted to everyone but when I try io.to(room).emit(), the message doesn’t get emitted (In the 3rd last line of the code). I manually checked the sockets in the room, and all are present in the room correctly. But the message never gets transmitted. Answer I was ab…