All Questions

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Problem drag and drop javascript

I have the following error: ordenes:296 Uncaught TypeError: Failed to execute 'appendChild' on 'Node': parameter 1 is not of type 'Node'. at HTMLDivElement.<anonymous> (ordenes:296) I'm bringing information from a server var el...
asked on 27.05.2018 / 23:34
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Make a container with position absolute adapt to its content in Chrome

I want the container to adapt to the content (textarea) in Firefox it looks good. But in chrome the container becomes smaller than the textarea. This is what I have tried: .item{ border: solid 1px; position: absolute; } .mar...
asked on 28.05.2018 / 02:59
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Listen to Restfull API consumer data updates from Angular 5

I am new to Angular, to explain myself properly I will share an example. When we have installed the Firebase library in our project, we can call the information in the Users table as follows: constructor(db:AngularFirestore){ db.collection(...
asked on 11.09.2018 / 03:19
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Problem with the response in an ASP.NET Web API

I have an ASP.NET Web API that is working correctly on other servers, I'm just being presented with a detail on a particular server and the problem has to do with the dates. I have a class to perform the conversion of the dates and it is: p...
asked on 14.06.2018 / 18:32
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Challenge solution of the 8 queens in python

What the challenge is: Hello people, I do not know if you know the challenge of the 8 queens. If you do not know it, I'll explain it to you shortly. We have a chess board like any other and you have to place 8 queens on the board without bein...
asked on 09.06.2018 / 03:13
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RestFul JSON Service

I'm doing a restful service, it returns data like json but but inside an xml and I only want json . Annex image of how the result looks. and my code. I want to remove the highlighted in yellow. namespace WcfServiceWOM { [ServiceContrac...
asked on 17.05.2018 / 20:53
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Spring boot WebService Rest (CUSTOMIZE RESPONSE)

I want to customize the answer when it is a Status 405 Method Not Allowed { "timestamp": 1527270306717, "status": 405, "error": "Method Not Allowed", "exception": "org.springframework.web.HttpRequestMethodNotSupportedException"...
asked on 25.05.2018 / 17:58
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Extract cell data using pandas

I have a table in csv format with more than 30 columns with values of 0 per row, but some columns have values. Then I would like to use Pandas to extract those values and store them by Zone # Area # and Ptc # and store the values according to th...
asked on 23.06.2018 / 15:17
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How can I filter the value of a HTMLCollection

I'm doing a type of shopping cart, creating a list of products, through javascript, up there all right, now when I click on some product I will return an HTMLCollection in the form of an array, since there is 9 products I have HTMLCollection (9)...
asked on 26.06.2018 / 23:10
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pass an array of c # to c ++

I am using native code in c #. I'm trying to pass an array of c # to c ++ using Pinvoke. Once in c ++, I want to fill that array that I passed as a parameter with the values of a cv :: Mat. The problem is that I'm using the copy function and I d...
asked on 29.08.2017 / 08:50