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I am new to Python and i try to pass values from MQTT to Kivy dashboard with a navigation drawler. Can someone give me a hint how I can change the variables? Here is my sample code. MQTT is working.

Hy, i try to make an object that shows a toast in android , the compilation work but when I open the app stops working.What can I do to fix this?(when i delete the object creation the app works).I try

Recently I have been experimenting with WPF. I was building a little program, but then I stumbled across a little problem. I tried to call the Window_Closing method from the code behind, it told me

I'm trying to read a qr code, using an external cam, on android. I've been at it for a few days now, playing with zxing, UVCCamera, and others, and couldn't find a solution. Setup: AdnroidStudio,

I'm having an issue at the moment where I'm trying to make use of a Serverless Aurora database as part of my application. The problem is essentially that when the database is cold, time to establish

I have an query that I am trying to do search with multiple parameters to sort my data response from sql. The query code : $sql = "SELECT * FROM `apartments` WHERE `building_num`='{$i}' ORDER by `

I would like to change the strings that are fetched from sqlite with cursor adapter I'm using this to fetch data: String query = "SELECT _id, month, year, SUM(valor) AS valor, SUM(total_valor)

I am trying to build a to do list app. So far I have an entity for storing categories. Within the category entity, it has 3 relationships. One to a task entity, one to an event entity and one to a

Yesterday I upgraded to the latest VS community 2017 (the previous one was installed last year) and wanted to check the c++ standard, so I run a code that checks it (picture attached) and as it turnes

I am making a hostel finder using bootstrap, and it has to include a page giving details of each hostel. Now, since there more than 1000 hostels in the website, should I make one html each for each

Has anyone using RecyclerView found a way to set an onClickListener to items in the RecyclerView? I thought of setting a listener to each of the layouts for each item but that seems a little too

As part of my language learning process I would like to switch my phone language to Korean. As I am just starting learning this new language, I do not know most of the words used on my Android phone

I have been trying to create a simple loop of SELECT statements in MySQL to reduce code. I have started this using CONCAT() however this causes the procedure to stop/fail. For example (where k is a

Here is my script in which I use local variable inside a remote machine using heredoc. But the loop under the heredoc takes the first variable value only. The loop runs fine inside the heredoc but

I have two spinners which have the adapters of a single List<> types. Now I need to add a new to item to one of the spinners which should not be reflected in the other spinner's items. Here is

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1970年01月01日00分09秒