Interesting questions
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0
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answer963
viewsEntering data into the database gives the error "duplicate key value violates uniqueness restriction"
I tried to enter the data, but it gives the error duplicate key value violates uniqueness restriction. I’ve already put all the primary and secondary keys. MSG of error:…
postgresqlasked 8 years, 10 months ago Katielen Castro 11 -
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votes2
answers333
viewsA div superimposed on an image descends according to the scroll bar
I have a div that shows some details about an image when it is displayed, but I’m developing for mobile and when you slide down the Ivs that contain these details also move out of the images. Follow…
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6
votes1
answer407
viewsPhoto taken by my app does not appear in Gallery
When generating the photo through my app it correctly creates the folder and saves the photos taken there, but when I go in the Mobile Gallery is as if the photos did not exist, the default Android…
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answer67
viewsMake mobile like desktop
I own a section on my website that on the desktop presents the expected behavior, a row divided into 3, using col-md-4, on the desktop the behavior is normal, on mobile tried to use col-xs-4 to be…
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6
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answers2944
viewsWhat is the best way to enter a large amount of records into the database?
Hello, I am creating an application where I need to constantly consult a spreadsheet, take the data from it and insert in the database (Mysql). The point is that these spreadsheets will always have…
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17
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answer191
viewsDoubt of competition on inheritance and polymorphism in object orientation
I took the test of the IFNMG competition for the position of computer teacher. The bank that prepared the test was the CEFET Foundation. One of the questions was this:: About the statements below,…
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1
votes1
answer1142
viewsHow to view images in Listview from Firebase?
Well I am receiving numerous information from firebase, and displaying them, however I would like to receive also images, without last storege, I already saved some urls in the database and when I…
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votes3
answers8232
viewsA register of people in python
I was looking to make a record of people with id, nome and idade, created this code. The problem is in option 2, when show. I wanted to show like this:…
pythonasked 8 years, 2 months ago Nathan Silva 87 -
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answers275
viewsImport PHP files through the URL instead of the disk path
When I use an architecture like MVC in a PHP project separating the models, controllers, services, views often using the functions include or require the application gets lost importing the PHP…
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answers42
viewsI’m having trouble accessing the Mysql server
I am using Heidisql to connect to my Mysql servers. On the machines I set up I can connect smoothly to the Mysql server. But in the case that it was not I who set up is giving the problem of: Access…
mysqlasked 7 years, 5 months ago Alberto Vitoriano 23 -
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votes1
answer259
viewsHow to upload an image to Nodejs?
Good afternoon, I want to make a POST Request of the client in JAVASCRIPT with DATA Send (file . jpg) in date URL for the NODEJS server. [Client] - Javascript finalImg.onload = function(event){ var…
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votes4
answers671
viewsCan I use Repository to do the BLL part?
I was reading about Repository vs Dao and I saw the following sentence: [...] The Repository standard aims to support the Domain model providing persistence. Unlike DAO, which is an object of…
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1
votes1
answer103
viewsLayout with 100% width and/or 10% height
How can I apply in my application to leave the width and/or height at 100% for iphone and ipad? have in my navbar application. textview, webview... thank you
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1
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answers287
viewsFragment does not appear in a Toolbar with Tablayout
I am trying to show 2 list layouts in the same Activity using Viewpager, but for some reason the layouts are not being shown on the application screen (they are blank), however, when debugging,…
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0
votes1
answer299
viewsReact asynchronous useState
I’m new to React and I’m having a hard time filtering data that will be displayed in a table. I have the filter inputs (there are 5 in total) and a filter button that calls a function, in this…
reactasked 6 years, 10 months ago Leonardo Azevedo 1 -
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answers230
viewsbecause the Hover does not overlap the div
I have a problem I think very simple. But I’ve done everything and nothing solves, as you can see in the print div who is with the hover she doesn’t stand on top of the div pai…
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answers277
viewsFunction that by clicking open a respective <ul> on another page
when clicking on a category as in the image below, it is redirected to another page, that when you are using your computer it opens that way: Only that you also need to use on mobile phones, but…
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3
votes2
answers1461
viewsAdd data to a txt file
I have the following code: $msg = "teste"; $myfile = fopen("lista.txt", "w"); fwrite($myfile, $msg."\n"); fclose($myfile); If I change the variable value $msg it opens the file deletes the $msg and…
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votes2
answers731
viewsAndroid Studio consuming 100% disk
My Android Studio is consuming 100% of the disk all the time, even when it has no task running on backgroud, this disk usage leaves the whole system very slow. Looking at the Task Manager is not…
android-studioasked 9 years, 6 months ago EdCarlos 51 -
3
votes3
answers85
viewsJquery ischecked does not work
I have the following checkbox: <input type="checkbox" name="responderam" id="responderam" value="1" onchange="Filtra()" /> Mostrar apenas quem respondeu And the function it calls will update…
jqueryasked 9 years, 1 month ago WitnessTruth 1,017