Interesting questions
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answer165
viewsDoubt about JPQL
I honestly have a certain difficulty with comics, and I need a JPQL that returns only one record. I have a Price entity and a Product entity. I need to bring the last registered price by the user. I…
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answer5990
viewsError updating entries in Entity Framework
I have the following code for mapping my application, but when I will try to make a insert gives the following error. An error occurred while updating the Entries. See the Inner Exception for…
entity-frameworkasked 10 years, 8 months ago Rabelos 161 -
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answer33
viewsWhen loading site jumps to the middle
Well that’s my first question here, I created a stackoverflow account just for that because I can’t find the answer anywhere! I just renewed this page http://www.acm.esy.es/ who is staying at…
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answers183
viewsRemove repeated elements using two lists
How would you remove without using collections and while, only with for. I wanted a search structure element by element, because I already know how to remove this way. So I want to use at least two…
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answer33
viewsNumeric to Numeric Conversion Error
I have a stored file in the database that changes a record of a customer, entering the date on which it will be visited and the interviewer who will make the visit. CREATE PROCEDURE…
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answer596
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answers132
viewsWhat will be the result of $a?
I was studying PHP and seeing questions, to improve my knowledge in the area. Here is an excerpt from a question: Given an excerpt of code written in PHP language, as the below: $a = array("a", "b",…
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answers307
viewsAs only receive gets from a certain IP
I have to receive Gets with important information, and can only be via GET and not via POST. I was wondering if you have any way to receive the Gets from another server, only if that server had a…
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answer35
viewsinventory system - dynamically change input value
People would like the "status" field to change its value, if the value of the "quantity" field was less than 5. I tried the code below but it doesn’t work. I don’t know where I’m going wrong…
javascriptasked 5 years ago Allan Cisneiro 33 -
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answer154
viewsSiri Voice Command Manager
I know my Macbook has tts (text to Speech) when typing command Say. I wonder if there is an API or library that works with this in python. Or you would have to do it manually? Anyone recommend…
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answer110
viewsHow do computers store and interpret floating point numbers in binary?
In my course of systems analysis and development I started the matter of computational mathematics the subject was numerical bases and conversions, something that caught my attention is that they…
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answer158
viewsValidate fields with javascript in Safari browser
I’m having trouble trying to validate form fields, via Javascript, in Safari browser. The HTML code: <div class="modal fade" id="remarcar" tabindex="-1" role="dialog"…
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answers1269
viewsATM simulator
I’m starting to build a program that simulates an ATM with 3 banking options and an option for the user to terminate the process. Only after the operation done by the user, I tried using the…
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votes3
answers872
viewsHow to validate if a value is a tuple having a string and an integer?
I want to write a function that takes an argument (any type) and returns true if the argument is a tuple (double elements, double elements of 2), where the first is a name (str) and the second is an…
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answers50
viewsImpact using INDEXES in Mysql
I have a table that currently has 25 million records, due to this any query I do however simple it is becomes very slow. I was researching about INDICES to improve search performance and found that…
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answers4489
viewsLike "startar" a Node server?
I installed Node, created the environment variable (NODE_ENV) speed value. When I installed and configured, I printed out a arquivo.js with hellow world and it worked. Today, I want to start the…
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answers94
viewsHow to implode to remove characters other than the +(plus) sign with Javascript?
I have this variable: 10 + 20 + 30 + 40 + 50 = 150. I want to know how I can use the implode() Javascript to remove anything that is in front of each number, can be any sign or special characters,…
javascriptasked 8 years, 8 months ago abduzeedo 753 -
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answer637
viewsChanging values in Modal - C# MVC Javascript
I have the following javascript code in my project that picks up attribute values when the user clicks the class button rename and calls a modal: <script type="text/javascript">…
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answers57
viewsHow to use Jprogressbar with audio readings in excel
I have a method that receives an Excel file, and a Jtable. This method reads the file and plays the data contained in it within jTable. import java.io.File; import java.io.FileInputStream; import…
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answers211
viewsAlgorithm in Portugol
I’m doing a college paper and the premise is: Develop an algorithm that: a) read 60 ages; b) group the ages into three vectors according to the age group below. Remembering that there are possible…