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Ask Chemistry

How to get or understand a complex compound in chemistry without knowing its chemical name or compound or formula

How to get or understand a complex compound in chemistry without knowing its chemical name or compound or formula? I was thinking about whether there is a way to understand what the chemical compound sample that one might have. He/She doesn’t know what its formula or its chemical properties or anything .He/She just got that […]

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Cryptocurrency Ethereum Mastering Development

Who gets the gas for smart contract execution?

When I deploy a contract by sending a new transaction, the miner who adds the transaction to the blockchain gets the gas, right? When I execute I contract by sending a new transaction, the miner who adds the transaction to the blockchain gets the gas. But just for adding the transaction and not for execution? […]

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Linux Mastering Development

Access windows symbolic link from linux cifs

I have created symbolic link of the mapped drive (DOS share) on Windows 7 computer 200.90.12.25. Trying to access this from Linux (Raspberry PI) using CIFS command, I get mount error(5): Input/output error. CIFS command and dmesg attached below. I cannot access the DOS share from Linux because of NETBEUI. Line diagram shown below for […]

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Mastering Development

nav li span margin left

hello I am adding active class to nav menu with the codes given below. and then I add span to the active class and I set the left px but I want to use it effectively. How can I fix? I showed on the image so that we can better understand what I mean. span […]

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Mastering Development

Unmarshalling to ordered maps in Golang YAML v3

I am trying to unmarshal the following YAML with Golang YAML v3. model: name: mymodel default-children: – payment pipeline: accumulator_v1: by-type: type: static value: false result-type: type: static value: 3 item_v1: amount: type: schema-path value: amount start-date: type: schema-path value: start-date Under pipeline is an arbitrary number of ordered items. The struct to which this […]

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Mastering Development

How to fade transition carousel slides?

I’m trying to cycle through three images in a carousel (bootstrap 3.3.4) that have a fade transition instead of the slide transition. The first image shows up properly and I can manually cycle through the images with the click controls, but it will not cycle automatically. Any ideas? HTML <div id="myCarousel" class="carousel slide carousel-fade" data-interval="3000"> […]

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Mastering Development

How can I filter duplicates/repeated fields in bigquery?

I have a table without primaryKey. And I am trying to get the events of the earliest date grouped by id. This is what small piece of mytable looks like: |———-|——————|————-| | id | date | events | |———-|——————|————-| | 1 |2020-04-11 3:44:20| call | |———-|——————|————-| | 3 |2020-04-21 7:59:06| appointment | |———-|——————|————-| | 1 […]

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Mastering Development

Is it possible to push a key-value pair directly to hash in perl?

I know pushing is only passible to array, not hash. But it would be much more convenient to allow pushing key-value pair directly to hash (and I am still surprise it is not possible in perl). I have an example: #!/usr/bin/perl -w #superior words begin first, example of that word follow my @ar = qw[Animals,dog […]

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Artificial Intelligence (AI) Mastering Development

Iv’e been giving a NPL pre-processing question on a practice paper and i don’t really understand it can anyone help?

below is an image of the question relating to NPL, pre-processing I understand I am to pick a technique but I am unsure what one to pick I am not fully getting it, i am also not sure what route to pick or what procedure i would take any help would be greatly appreciated as […]

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Mastering Development

Passing List object and int to web api

I have a web api core project that if I send just the list parameter than the API receives the values, however if I send both parameters that the controller is looking for then both parameters are seen as null My contoller: [HttpPost] [Route("/jobApi/RunBD")] public int RunBDReport([FromBody]int month, [FromBody] IEnumerable<ClientModel> clients) { billingDetailCycle objBillDetail = […]