Interesting questions
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answer51
viewsSegmetation fault error - Problem in main code for inserting nodes in binary tree
I am making a program that reads records and saves these records in a chained list and in a binary tree. However, I am not able to save the nodes in the binary tree by showing a segment fault error.…
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answers110
viewsPersist child objects with parent id 1:N
Guys I’m having difficulty in relationships with Hibernate, I have a 1:N relationship between Provider and Address (1 provider may have N addresses). My problem is this, when I try to persist a…
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answer40
viewsMultiplication of Values
I have a product sales system In this system the user selects the product in a Combobox, after selecting the product the field Unit Value (Textfield) is filled automatically with the value that was…
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answer23
viewsHow to set Flutter correctly for cloud_firestore
Hello, someone can help me! I’m configuring flutter design with firebase access. I’m using package firebase_core: 1.3.0 and cloud_firestore: 2.2.2 Works for ok android emulator. The firebase…
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answer111
viewsFetch data from one data frame from the data in another
I’m on a quest I can’t solve. The problem is this: I have two tables and I need to research if there are equal people in the two tables, in case I need to see how much it earns in the second table…
rasked 9 years, 6 months ago Flavio Silva 1,108 -
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answer102
viewscreating an HTML and CSS page in Wordpress
I took a Wordpress course last year, but I just started using the platform now. To having the following difficulty: I’m doing maintenance on an informative site, but on this site I created a webpage…
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answer103
viewsExecsql does not allow the field not to be changed
Whoa, whoa, guys, whoa. Newbie here Every time I click on change and then click on save (without making changes of record) returns me error . Any idea how to fix? some kind of check on whether there…
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answer145
viewsInvalid variable
I have a problem because of an invalid variable. It always tells me that the variable AlvaraAnexo is invalid. <?php include("conectar.php"); $id = $_GET['id']; $sql = mysql_query("Select* From…
phpasked 12 years, 5 months ago ChrisAdler 1 -
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answer80
viewsIs it possible to connect PHP to an old version of mysql server (3.23)?
I’m doing this: $conexao = mysql_connect($servidor, $usuario, $senha, $db); if (!$conexao) { die('Não conectou: '.mysql_error()); } echo "Conectou"; And the error message is this: Connecting to…
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answer54
viewsCurrent size Textblock Runtime
Guys, I have a question that is the following. I am creating a Textblock at runtime with the following code: TextBlock txtMensagem = new TextBlock(); txtMensagem.Text = texto.Trim();…
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answer56
viewsHow do you reverse the digits of a vector and print them separately ? And can you differentiate 000 from 0 in C?
I have to do a program to reverse the digits of a number and print it between brackets []; To begin , the reading loop has to stop when the number typed is equal to 0, however if the value is a…
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answer1920
viewsHow to update the page and run a javascript function
I want when the page is updated to perform a function when opening When running this Reload open the page with the next code: ---------------Executou para dar reload------------ window.location.href…
javascriptasked 8 years, 4 months ago João Pedro Morais 127 -
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answer601
viewsHow to save a json object to mongodb, which is the answer to an API post
I need to save a certain field,from a json object,which comes from the response of an API I called. Save some fields of this response json object,in some fields of my colletion/model on Mongodb also…
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answers75
viewsInsert data into a Pivo Laravel table
I have a many to many relationship between items and area, as I do to relate the two within my item_area table in my store method? This is my view <h3>Criar um novo Item</h3> <form…
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answers105
viewsWeb Server TLS/SSL Handshake
I am developing an objetive-c webserver for Iphone and implemented TLS/SSL for encrypted communication with a Certificate self Sign, presented in the attached links below. I’ve been testing the…
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answer48
viewsUnderstanding how it works to convert an Object to Json
I have a PUT route that receives a Json in the variable "edits" and from what I understand, in C# it ends up being an object. I was researching a way to receive the file correctly and through some…
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answer26
viewsLink styles correctly
I am slowly deepening into the web world, and today I noticed something unusual in my code, good, unusual more or less let’s look at the examples. In this code I use the type="text/css" <link…
html5asked 10 years, 6 months ago Guilherme SpinXO 714 -
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answer212
viewsFacebook Messenger API does not respond to new users
I have an APP on Facebook Developers, a BOT for Messenger. It responds to testers and admins. But not for new users. My application is already public, already passed by approval. I saw many with…
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answer67
viewsHow to insert a mysql database image into a datatables
I am starting in PHP programming and downloaded a source code to be learning, and this code presents a datatables, in which I want to insert an image in the grid that is in the mysql database. My…
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answers67
viewsWhat may cause the error in JSON conversion?
I’m making a Crawler, which will take the GIFS from 9gag. The code is this: In [11]: import requests In [12]: t = requests.get('https://9gag.com/v1/group-posts/group/gif/type/hot?') In [13]:…