Questions tagged as 'mysql'

Tagged questions
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The bars do not start the requested coordinate point (x)

I am new with chart.js and I have data that should start in month 06 or 03 of the x-axis (it is variable depending on the data in the database) as I do so that the data starts at that point and not in 01 ... step the code is in PHP with queries...
asked by 30.06.2018 / 15:21
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Undefined Index PHP-Mysql

I have the following error, it appears to me that some indexes are not defined income and expiration both are as date type 'date' in in form probe the query in Sqlyog and it does not show any error then I do not know what it could be in the fiel...
asked by 30.06.2018 / 06:40
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Check PHP MYSQL

I have the following code: <?php require("config.inc.php"); $conn = new mysqli($host, $username, $password, $dbname); if(!empty($_POST)) { if(empty($_POST['usuario_rut_administrador'])) { $response["suc...
asked by 30.06.2018 / 06:25
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See images of mysql in jsp

a query when I want to see some images that I upload to mysql on my page does not show me the image, I do not understand the error I hope you can help me. Code to upload: String cadena1,usu,pass; int tamaño; Image i;...
asked by 30.06.2018 / 07:51
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Cross several ID's of a field with a table

Greetings I have the following problem: Name of my tables: Table_1 and Table_2 Name of my fields: In my Table_1 I have a Column_X and in my Table_2 I have Column_1 (ID) and Column_2 (Detail) In Column_X of Table_1 I have stored data of...
asked by 26.06.2018 / 20:16
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jupyter --InternalError: (pymysql.err.InternalError) (1054, "Unknown column 'index' in 'field list'")

I have a code in jupyter that what I want to do is insert the bd, it works well with the example that I have commented, but when doing it with the real csv, I deployed an error. import pandas as pd df = pd.read_csv('4763.csv',header=[2...
asked by 26.06.2018 / 19:07
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Trigger does not run

I am using the express framework to learn how to create a simple resample with node and mysql and I have the following code: router.post('/CrearUsuario',function(req,res,next){ postData = Array() postData.push(req.body.primerNombre);...
asked by 26.07.2018 / 21:36
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Value can not be NULL when you insert an image

When I try to insert an image to the MySQL database everything works normal, but when I run a function that makes the size of my image smaller and try to insert it, it shows me an error that says this is the code to select the image: pri...
asked by 26.07.2018 / 20:04
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How to generate pdf reports from mysql on Android

Good morning to all, I am new to Android programming, I'm making an application that brings data from a database and I want to create a pdf report from an Android application     
asked by 25.06.2018 / 09:52
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How to connect MySQL Workbench with C ++ code in Codeblock?

Install MySQL installer community with all its features, what I need to know is how to connect this database with the code in c ++?. I do not know if I need to download a library or if it already comes with the MySQL Connector C / C ++. Thank yo...
asked by 24.06.2018 / 22:26