Posts by Rodrigo Prado • 192 points
21 posts
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answer451
viewsQ: Poor performance when traversing an array
I’m traversing a matrix but face performance problems The idea would be to go through this matrix twice, in the second set of ties of the matriz_original if the condition is true the new matrix…
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answer1014
viewsQ: Open PDF Base64
I have an application that generates a PDF in bytes and converts it to ToBase64String and sends astravés of a JSON for javascript to open, but on Chrome it cannot read this file and present the PDF…
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answer440
viewsQ: Convert Biometric template
I’ve been trying to generate a biometric template from a nitgen Hamster DX reader. This biometric template should be sent to a Topdata time clock, an Inner rep Plus, but the template it generates…
vb.netasked Rodrigo Prado 192 -
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answer217
viewsA: Load Bitmap into Picturebox
Answer how to mount the image Bitmap flag = new Bitmap(bmp); Graphics flagGraphics = Graphics.FromImage(flag); int red = 0; int white = 11; while(white <=100) {…
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answer217
viewsQ: Load Bitmap into Picturebox
I’m building a code to scan biometrics. How do I put the generated image into the device in pictureBox What I use to mount the image in bitmap public Bitmap ExportarBitMap() // Exporta para o BitMap…
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answer677
viewsA: Biometric Reading
What I was able to verify is that, to use futronic’s fingerprint hardware, you need to acquire a license for sdk from the manufacturer itself, without that license you would not be able to legally…
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answer677
viewsQ: Biometric Reading
I am developing a desktop system, where I wanted to register a biometric. I use the reader Futronic Modelo: FS80H. I’m new to . net The idea is to save biometrics in format String to be later saved…
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answer178
viewsQ: 6 build path Entries are Missing no eclipse
When reinstalling the eclipse and importing my project back which was cloned from github on a newly formatted machine there was an error and my project does not compile, it gives me a meaningless…
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answer98
viewsQ: List change from an Apache poi excel import
The system can generate an excel file where all the products of a serialized stock are found. What I would like is that when this file is imported back that all changes made to it are applied within…
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answer222
viewsA: Jfreechart with Dynamic values
After much research I found the appropriate solution to my problem. I’m still studying the code more, but for now it was what generated me the expected result DefaultCategoryDataset ds = new…
javaanswered Rodrigo Prado 192 -
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answer222
viewsQ: Jfreechart with Dynamic values
I have been facing difficulties in creating an online graphic that is dynamic, I got some "progress" but now he accuses me a mistake: Exception in thread "main" org.jfree.data.UnknownKeyException:…
javaasked Rodrigo Prado 192 -
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answers259
viewsA: Consume web service
Follow code used to consume web service NOTE: I didn’t use the via cep, I found a great example that worked perfectly with little code, but it is necessary to add an external library called…
javaanswered Rodrigo Prado 192 -
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answers259
viewsQ: Consume web service
I come as an idea to deploy in a system that I am setting up a web service, where the user informs the zip code, and address fields if completed. However I find nothing about how to do this in…
javaasked Rodrigo Prado 192 -
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answer85
viewsQ: Jtable search does not return as expected
I have a bug I don’t understand. The idea is simple, I should type a value in a field and it returns me in the table, this happens, but when I click on the value found in the search it selects me…
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answers53
viewsQ: Insert into array
I’m trying to make a system where, the user selects the products and adds in a list, without the page being reloaded again. At first I made sure the page was not reloaded again using ajax, but I…
phpasked Rodrigo Prado 192 -
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answers1203
viewsA: How to update the table (bootstrap-table) via JS after registering?
You can use ajax: $("#adicionar").click(function() { $.ajax({ type: 'POST', url: 'adicionar.php', success: function(data) { $(".table").append(data); } }); }); #add -> The id of a button that…
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answers676
viewsQ: Add elements to a list
Good evening, I have an idea but don’t know how to perform it. I’m doing a order system, where a customer and their respective requests, and the most correct way I thought of doing that was to get…
phpasked Rodrigo Prado 192 -
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answer44
viewsQ: Calculate several fields
good evening, I’ve been trying to calculate several fields in javascript validating if they are with values, I’ve done something similar in javaSE, but I realized that it doesn’t work the way I…
javascriptasked Rodrigo Prado 192 -
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answer188
viewsQ: Complete fields with select
I am with a problem, that I can no longer solve, I am trying to fill the fields from an option that is contained within a select which is filled automatically with the foreach, but it’s not working…
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answer75
viewsQ: Complete other fields
Good night The problem was this, I have a select where it contains all registered products, autocompletei it with a foreach to pull all the products from the bank, what I want is the following, when…
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answers119
viewsQ: Login function
Good afternoon I had a problem with my login script, it informs that the email does not exist in the bank, the problem I have always done this way, and now I have no idea what I did wrong Login…