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Game Creation Mastering Development

How to make collisionshape2D work from other scene in Godot?

I have created a scene which contains Area2D, CollisionShape2D, AnimatedSprite. Then I imported that scene to a level. At this moment the player should collide with the object taking it as a obstacle. But it doesn’t collide with the coin. How can I make collision work from other scene?

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User Help Web Pro

lighttpd is not serving the second request when first request still under process

I am getting response from lighttpd for the first request and when I send second request before first request completes the execution, not getting the response for the second one. i.e at any given moment, only one request is served. first_file.php cat first_file.php.php <?php while(true){ echo "The time is " . date("h:i:sa"); sleep(5); } ?> […]

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Ask Chemistry

Common Ion Effect Equilibrium

Question In which of the aqueous solutions of the following, dissociation of NH4OH will be minimum? A) NaOH B) H2O C) NH4Cl D) NaCl My Thoughts My book says that the answer is option C ‘NH4Cl’ giving the reason as common ion effect. But I think that option A ‘NaOH’ and infact option B ‘H2O’ […]

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Cryptocurrency Ethereum Mastering Development

Truffle – deploy and interact with a contract locally from a script

I have created a contract, wrote a migration and a test. When I run truffle test the contract is deployed locally and then the tests are run against it. All is working fine. I also added a function to the contract that looks like this (which I also call in the test): function entryExists(uint256 id, […]

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Cryptocurrency Ethereum Mastering Development

Geth command line – load JavaScript file on startup with console

MISSION: Start a Geth node with a console while loading JavaScript function libraries at the same time I need to load function libraries at startup, without having to call loadScript() on the Geth console every time the node fires up. I tried the js command, to no avail (loads console, but no script). CONSOLE AND […]

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Linux Mastering Development

Collecting/organising data listed across 5 rows and 180 columns to 2 columns

Beginner over here – trying to organise data currently outputting as: Need this in the simple form: I would be grateful if someone could help me out!

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Linux Mastering Development

Raspberry PI Mounting / and /backupdrive on different drives does not work

I followed this guide to turn my raspberry pi into my backup server. It has a 16 GB SD Card in it and Raspbian (based on Debian buster) installed. When I try to update with sudo apt upgrade, it returns the error: Error writing to output file – write (28: No space left on device) […]

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Linux Mastering Development

Why does Zsh correct ssh User@ip1 to User@ip2, and how to stop it?

On Mac OS X 10.9 and zsh version 5.0.2 (x86_64-apple-darwin13.0) the ssh user@192.168.13.2 command traps a correct to ssh User@192.168.12.2 [nyae]. I don’t want to disable zsh correction on the ssh command completely. How figure out why zsh wants to make this correct, and prevent it from occurring? Regression: ssh User@192.168.13.3 also zsh correct to […]

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Linux Mastering Development

systemd exits create-react-app

I am trying to use a systemd service to run a Node app (specifically, a React app generated with create-react-app. I put a file frontend.service at /etc/systemd/system/ with (minimally) these contents: [Unit] Description=React Web Application [Service] ExecStart=/usr/local/bin/npm start –prefix=<path to app> [Install] WantedBy=multi-user.target After starting the service, my browser shows the nginx bad gateway error, […]

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Mastering Development

How to join two tables queries and select matching the records in Nhibernet linq?

I am trying to develop one single query which gives me records from both the table in one result using linq-Nhibernet query. I have two tables first one :account (accountId , accountDescription) and second one: accountdescriptionhistory (accountId, description). AccountId is foreign-key reference to second table. Now, i am fetching all the records from first table […]