Interesting questions
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answers1270
viewsPOST method receiving object vázio. C#
I have a controller with a POST method that always receives the null parameter. I’m sending JSON through Portman. I have tried to put the class as parameter, I have tried for string as parameter and…
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answers11
viewsHow can I place an image, like that, in the title bar ? (Using HTML)
How You Place That Logo or Image Next to the Word "Barbershop" ? (Using HTML)…
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answer1013
viewsHow to search for users in the database without select option
Good staff always found bad a method I use to search users in the database in a select option, when I have many records the page takes to load and only tends to get worse, someone has some idea of…
phpasked 11 years, 9 months ago Rafael Assmann 381 -
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answers2014
viewsWeb scraping with R
I am trying to make a Web Scrapping of the following link: http://empresasdobrasil.com/empresas/alta-floresta-mt/ I want to access all categories and extract a data frame with the name of all…
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answer41
viewscreate sequence that increases and decreases monotonically
I have the following vector: > a [1] 64.42 66.99 100.39 97.96 97.96 96.26 94.22 92.35 86.05 84.01 I wish that I could generate another vector that grows and decreases monotonically, whatever the…
rasked 8 years, 11 months ago Artur_Indio 1,093 -
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answers5650
viewsHow to turn on the camera flash?
I am not able to activate the camera flash to use as flashlight. The code I am running took from tutorials on the internet. package com.getten.home; import android.hardware.Camera; import…
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answer99
viewsIs it possible to use imagecopyresampled and imagecopymerge at the same time?
I was able to set the fixed size for the image (500x500) now I wanted to know if you have to take this image already defined and put another one on top with imagecopymerge? <?php $img =…
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answers8942
viewsHow to verify if a variable is float, decimal or integer in Javascript?
I tried with typeof(), but it only returns to me if it is a number, string, etc.. It would be something like that: var x = 1.2; if (x == inteiro){ alert("x é um inteiro"); }…
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answer94
viewsHow to import CSV files from a same level folder (and/or above) in Python?
I have already searched several topics here, unsuccessfully however. So, if there is already an equal question, please forgive me and indicate a solution. My project is articulated as follows:…
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answer121
viewsEncryption on Android
I want to save information inside a database on Android. But for the sake of security, I’d like to encrypt this information. Does anyone have any simple code for this? (and that it is possible to…
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answer170
viewsAdd to a category
I am unable to make the new tasks added belong to the selected category in select. angular.module('TarefApp', []); angular.module('TarefApp') .controller('TarefasController', function($scope) {…
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answer79
viewsDifferent DECIMAL type field between Mysql4 and Mariadb
I have the following problem: I have a decimal field(11,2) When the calculated value gives (example) 60,345 My SQL 4 Insert saves 60.34 But Mariadb Insert 10.4 (and Mysql 8) record 60.35 This is…
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answers82
viewsTransform UTF-8 to Unicode in Echolink
In the Echolink Server configuration file /etc/svxlink/svxlink.d/ModuleEchoLink.conf we can insert the location of the radio station in the LOCATION variable. As the name of my city (Petrópolis) has…
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answer589
viewsWhy is Wordpress Importer so slow to error?
Exactly ... Why the plugin Importer of Wordpress is so slow to import content from xml and because it is not updated to times being a relatively important of the same for content generation? E ...…
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answers5
viewsHow to open a Dialog from a Basedapter on Android?
I have a Button inside a Basedapter where relates the production orders of my APP, the Onclick of that button should open a Dialog with a new basedapter, but is giving the following Exception:…
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answers109
viewsFirebase cloud messages does not send messages to all devices using the app
I implemented the cloud messaging of Firebase using flutter and so far so good, I tested the sending of push notifications to an emulator of an android and it worked fine, the notification arrived…
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answers41
viewsImproving python-generated table visuals with Django and bootstrap
I have a table that I Gero through the python prettytable, it generates a variable that contains a table, I send this variable to the Jango template and it is all disfigured, could I improve her…
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answers462
viewsHow to limit a user to only access their own data?
I am developing a task list application for study, however, all users access all tasks. I wonder if anyone has ever implemented something like this with the Spring Security and how you did.…
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answer4362
viewsFree Mysql remote access 8
I’m testing the new version 8 of Mysql, and encountered some difficulty in releasing remote access (specifically, using the Workbench). What I found was same question on Soen, and only one…
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answers11785
viewsIs there an advantage to using filter_input instead of isset?
I’ve always been used to using the isset to check if an external variable is filled and if you are using it. Example: if(isset($_GET['pag'])) $pag = $_GET['pag']; Now I installed the Netbeans and…