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Apple User Help

clang: error: linker command failed with exit code 1

duplicate symbol ‘_main’ in: /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/AuxiallaruSum-bad5e5.o /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/helloworld-c1807e.o duplicate symbol ‘_main’ in: /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/AuxiallaruSum-bad5e5.o /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/tempCodeRunnerFile-ab022a.o duplicate symbol ‘insertLevelOrder(int*, Node*, int, int)’ in: /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/helloworld-c1807e.o /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/tempCodeRunnerFile-ab022a.o duplicate symbol ‘newNode(int)’ in: /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/helloworld-c1807e.o /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/tempCodeRunnerFile-ab022a.o duplicate symbol ‘inOrder(Node*)’ in: /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/helloworld-c1807e.o /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/tempCodeRunnerFile-ab022a.o duplicate symbol ‘_main’ in: /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/AuxiallaruSum-bad5e5.o /var/folders/60/kn6fgy517w72s7xc5dhpypjc0000gn/T/template-132b16.o ld: 6 duplicate symbols for architecture x86_64 clang: error: linker command failed with exit code 1 […]

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Mastering Development System & Network

SSO as a web frontend rather than as an external linked service

On one of our teams, we’ve been rapidly and individually developing or deploying a large number of dedicated web services. Some we build (using Django, Flask, Node, etc.), others are open source projects we just run (e.g. Wekan, Nifi, etc.). We maintain SSO for centralizing credentials and permissions for users, developers, and admins, and run […]

Categories
Mastering Development System & Network

SSO as a web frontend rather than as an external linked service

On one of our teams, we’ve been rapidly and individually developing or deploying a large number of dedicated web services. Some we build (using Django, Flask, Node, etc.), others are open source projects we just run (e.g. Wekan, Nifi, etc.). We maintain SSO for centralizing credentials and permissions for users, developers, and admins, and run […]

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Linux Mastering Development

Installation of Waveshare WM8960 Soundmodule on openSuse leap 15.2 | No onboard sound

I’ve installed the latest release from opensuse 15.2 on my raspberry pi 4. This the kernel I’m booting: Linux localhost.localdomain 5.3.18-lp152.13-default #1 SMP Wed Apr 29 13:08:30 UTC 2020 (777f721) aarch64 aarch64 aarch64 GNU/Linux in my config.txt I turned on onboard sound. During installation the setup script from waveshares makes some entries in config.txt. that’s […]

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Mastering Development

Erlang records printing

I am writing a program in erlang and I created this record: -record(tree, {node, left, right}). I want to print a list of different trees, and this is how prints it: [{tree,x1,{x3,0,1},{tree,x2,1,{x3,0,1}}}, {tree,x1,{tree,x3,0,1},{tree,x3,{x2,1,0},1}}] Is there an easy to print it without the word “tree”? (the name of the record). Sure I can just define it […]

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Mastering Development

Finding java.lang.ClassCastException on this program, can someone help me?

I’m writing a code for a graph that is able to map down a city based on ids and I’m having this error pop off when I search for the successors of a vertex. Can someone help me pls? The exact problem is occurring in the DataStructure class but I decided I’d post the whole […]

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Mastering Development

Heroku deploy succeeding even when postbuild fails

I have an Angular web application that I’m deploying to Heroku through GitLab. I am using the heroku-postbuild command to run a script which builds our app, however one thing I have noticed is that even if the build fails, the deploy to Heroku succeeds, which causes bad code to go out into production. I […]

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Mastering Development

Why this neo4j cypher query fails to rewrite?

I’m trying to submit this query to my neo4j-community database: MATCH (n1:Hashtag{name:’animal’}) CALL apoc.path.subgraphNodes(n1,{}) YIELD node WHERE node.postsCount > 1000 AND node.postsCount < 200000 RETURN node LIMIT 50 Neo4j Browser returns this error message: ERROR Neo.DatabaseError.General.UnknownError Failed rewriting AndedPropertyInequalities(Variable(node),CachedProperty(node,Variable(node),PropertyKeyName(postsCount),NODE_TYPE),LessThan(CachedProperty(node,Variable(node),PropertyKeyName(postsCount),NODE_TYPE),ParameterFromSlot(0, AUTOINT2,Integer)), GreaterThan(CachedProperty(node,Variable(node),PropertyKeyName(postsCount),NODE_TYPE),ParameterFromSlot(1, AUTOINT1,Integer))) Tried using children: ReferenceFromSlot(0,node),NullCheckReference(0,SlottedCachedPropertyWithPropertyToken(node,PropertyKeyName(postsCount),0,false,1,1,NODE_TYPE,true)),LessThan(NullCheckReference(0,SlottedCachedPropertyWithPropertyToken(node,PropertyKeyName(postsCount),0,false,1,1,NODE_TYPE,true)),ParameterFromSlot(0, AUTOINT2,Integer)), GreaterThan(NullCheckReference(0,SlottedCachedPropertyWithPropertyToken(node,PropertyKeyName(postsCount),0,false,1,1,NODE_TYPE,true)),ParameterFromSlot(1, AUTOINT1,Integer)) I’ve tryied another similar query: MATCH […]

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Mastering Development

How to represent a tree data structure using tkinter? [closed]

Here is a piece of code want to represent tree data structure and save it into json file using tkinter and python dict data structure.Each node has two entries represent the node children number and node name,with one button to generate new nodes in the next depth.For now I can create a new json file […]

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Mastering Development

Can’t authenticate user with Knex.js migrate:latest in Node

The problem: Relevant information: Windows 10, Node, knex, PostgreSQL I’m trying to run the knex CLI command migrate:latest from cmd, knex migrate:latest –env development. I’m getting “error: password authentication failed for user “ My first problem is with the user specified – in my knexfile.js configuration file, I am exporting the development object with a […]