3,417 Topics
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| | Hi. Please could someone help me understand what's happening here. I have a MySQL database which has a table with some data in the following format: 2022-03-15 06:55:39:<br/>LineOfSight:<br/>java.lang.Exception:<br/> UNAVAILABLE TELEMETRY BR$0 The field collation is utf8 and the data is stored as text. This data is provided via a 3rd …  |
 | ## Introduction ## While creating Selenium tests, you might have found that inspecting elements manually using the web browser’s inspector could be tedious. Even after you have found the element, you still have to go through the pain of looking up the correct **xpath** syntax for this specific element. To … |
| | ## Introduction ## Selenium is one of the most popular web browser automation tools out there. There is no restriction on what you can use Selenium for. You can use it to build a GPU scalping bot (*please don’t*) or build e2e tests for your website. In this tutorial, we … |
| | ## Introduction ## Whenever I want to express method parameters, return type or variables as a *method* in Java, I often find myself having to do a bit of work: 1. If I cannot remember which pre-made **functional interface** to use, then I will have to look up the list … |
| | ## Introduction ## When working on Java applications, it is very likely that you will run into JDBC at some point. While you are unlikely to have to work directly with JDBC when using frameworks, it is still important to know how the connection is established and how queries are … |
| | Can someone enlighten me is there any difference if we use framework or not using framework to build REST API? |
| | Is there a recommended practise for supporting self-hosting and web-hosting simultaneously? I had a lot of issues to work through. Because HttpContext.Current is not set and The GlobalConfiguration is not accessible in self-hosting, autofac does not work properly. Are there any other issues to be aware of?  |
| | Running some v basic scripts with environment variables so I don’t have to hard code things like my api key or id. My code wouldn't run and was failing on authorising so either my id and/or key didn't work. So I just printed out the variables to see where it … |
 | # Introduction # If you're like most data scientist, analysts, or developers, you probably spend a lot of time worrying about your ever-growing store of data. After all, it's the lifeblood of your business. You need to ensure that it's properly stored and accessible when you need it. This article … |
| | ## Introduction ## In this tutorial, we will learn how to load data asynchronously into a **ListAdapter** (*a subclass of **RecyclerView.Adapter***). ## Goals ## At the end of the tutorial, you would have learned: 1. How to serve asynchronous data to a **ListAdapter**. ## Tools Required ## 1. Android Studio. … |
| | ## Introduction ## Starting from Android 10 (*API 29*), Android places many restrictions on how apps can launch activities from the background. There are a couple of exemptions, which can be found on this [list](https://developer.android.com/guide/components/activities/background-starts#exceptions). At the end of the list is the usage of the *dangerous* permission `SYSTEM_ALERT_WINDOW`. I … |
| | ## Introduction ## Among all of the Android libraries, Paging 3 is perhaps one of the hardest to understand. Personally, I think the problem with Paging 3 are: 1. Developers need to learn a lot of custom classes before they can understand how Paging 3 works under the hood and … |
| | ## Introduction ## The Android Paging 3 library can operate in two modes, with an offline Room database as a source of truth or without one. In this tutorial, we will look at how to use Paging 3 with a local Room database. This tutorial expands on the previously published … |
 | Helllo guys am trying to build my first ASP.NET application here and I have a **Models** folder and **Controllers** folder. The models folder contains the class for an entity called customer whose properties are to be read from sqlite database. Thee is also a **Pages** folder that contains a folder …  |
| | I'm building a tool in Python for which I need to read out error codes for specific devices using the Server-Eye API. Server-Eye is our monitoring solution where all of our devices and the devices of our customers are registered. The documentation at https://api.server-eye.de/ wasn't very helpful or I'm just … |
| | The pandemic has presented everyone with unique challenges. For me, it became particularly hard to switch to online grocery shopping. When I do my shopping offline, I usually don’t have to plan much, moving through the isles and picking up stuff as I go. It’s rare that I forget something, …  |
| | ## Introduction ## When working with Services on Android, you might have ran into an issue where you would like to: 1. Use a concrete implementation of a Service (*from a built-in or third party library*). 2. Make the Service lifecycle-aware so that you can use coroutines with it. Many … |
| | ## Introduction ## When working with music files, you might have wondered how to load display art from Audio files. In this tutorial, we will learn how to load thumbnails for audio files. ## Goals ## At the end of the tutorial, you would have learned: 1. How to load … |
| | hi there i have a python http post request with no request but theres the code: requests.post("https://api.i66v1xg2.org/v3/moderate/+" + userid + "/") i dont know how to make it in java and in okhttp3 help pls thanks  |
| | ## Introduction ## MediaPlayer (`android.media.MediaPlayer`) is a popular way to play media files, and combining it with a SeekBar can greatly improve the user experience. In this tutorial, we will learn how to synchronize a MediaPlayer progress to a SeekBar position. ## Goals ## At the end of the tutorial, … |
| | ## Introduction ## When working with a Room database, we are mostly restricted to save data using primitives (*and boxed primitives*). Reference types are not supported right out of the box, but can be enabled by creating additional [TypeConverter](https://developer.android.com/reference/androidx/room/TypeConverter). If you are familiar with ORM-light frameworks such as Spring JDBC, … |
| | Hi I'm using European payment provider which is providing me API to communicate with them. There is a step where I need to ask from a buyer credit card info (number, expiration and CVV) so I can pass that info to that payment gateway via API. Is that even allowed? … |
 | Hello Daniweb, I was wondering how come a cURL API I made to call a function from my other website (but on the same hosting plan) no longer works. I even tried making a test API to call in the same directory, eg... :api.php <?php die(json_encode("something")); ?> :testing.php <?php $url … |
| | Hello All! We are new to Vue3. We are developing a product web catalog application based on vue3. This application has only the frontend, because all the product data is pulled via REST API. This application can be used by multiple customers. The functionality should be the same, but every … |
 | Hello I want to send multiple values from a to an api function. on the db i store the values in text format. The value that is stored is array on the Swal alert, I am getting [object object] but i want to get each value e.g. Painting or Graphic … |
| | ## Introduction ## The **Storage Access Framework** (SAF) provides a great way to access files exposed by other applications via their own DocumentProviders. In this tutorial, we will learn how to use the SAF in our App. ## Goals ## At the end of the tutorial, you would have learned: … |
 | I am trying to use my platform's API by using PHP and cURL, but I have a problem when I try to `PATCH` some custom attributes. As the title says, I am getting an API error with code: 422 and the message: `Validation failed.`, because the `attributes` field has `Invalid … |
| | ## Introduction ## In Android development, the MediaStore API is a great API to use if you are building a music player. In this tutorial, we will learn how to query for audio files in the MediaStore database. ## Goals ## At the end of the tutorial, you would have … |
| | I'm looking to build an ASP.NET WebAPI/REST API (not Core) that should accept client certificates as authentication. I've found several examples, so I hope to be able to succeed. However, I'm looking to find out more on the inner workings so to speak of certificates and such, so I'm hoping … |
 | I'm trying to authenticate to Sharepoint site i've made (it has a list with 2 items in it), i need to print its title to the console - really simple approach. with OfficeDevPnp.Core Nuget installed i tried the AppOnly following code: public static void AppOnlyAuthCall() { using (var clientContext = … |
| | ## Introduction ## WorkManager is the preferred method of managing background tasks on Android. It also includes convenient extensions for RxJava3 and Kotlin Coroutines. In this tutorial, we will learn how to use WorkManager as well as how to observe the background task with the debugging tool Background Task Inspector. … |
| | ## Introduction ## In this tutorial, we will learn how to capture a picture with the new **ActivityResult** APIs(`androidx.activity.result`), which replace the `startActivityForResult()` and `onActivityResult()` APIs(*from Activity class*). Additionally, we will also learn about the ContentProvider **FileProvider**, which we will have to set up to save our images. ## Goal … |
| | I am working on search API. Currently I am havinng 3 filter i.e. author, publish date, topic. Now I have created a Search API along with paginantion. based on request data it provides result (default page size is 10 for pagination). Now I want to acheive following. Whenver I change … |
| | ## Introduction ## Based on the latest report from Appbrain, Samsung has the highest market share(*>35%*) among all of the Android OEMs, therefore it is important that your apps are tested against Samsung phones. In this tutorial, we will learn how to load Samsung Emulator skins onto our emulator devices. … |
| | ## Introduction ## Regardless of whether you like notches on your devices or not, they exist, so as developers, we will have to adapt our Apps to work with them. In this tutorial, we will learn how to adapt our code to work with notches. The device used in this … |
| | My question is simple: I have a text area that is filled with IP/CIDR's and I want to know how I can retrieve an IP from there and then check the IP as used. The text area (which is implemented in plugin's page configuration and I can edit the configuration … |
| | ## Introduction ## UI Automator is a library that allows you to create tests that can interact with other components besides your App, such as Settings or other Android components. In this tutorial, we will learn how to incorporate UI Automator into our tests. ## Goals ## At the end … |
| | Hello, I wrote this code in order to obtain a series of monthly weather observations at Helsinki for a period from 1960 to 2020 and then I saved the data to a local file using package pickle. I used the data available from the API provided by the Finnish Meteorological … |
| | ## Introduction ## Notification is a great way to display information outside of your Android application. Your end users most likely already interact with notifications everyday, so knowing how to create notifications can greatly boost your user experience (*but can also backfire if used incorrectly*). In this tutorial, we will … |
| | ## Introduction ## Starting on API level 25, static Shortcuts can be used to quickly navigate to a specific point in your app. In this tutorial, we will learn how to create static shortcuts for an Android app. ## Goals ## At the end of the tutorial, you would have … |
| | Does anyone now if google requires parameters on .htaccess file for php function calls? I used to have a different .htaccess file and my google sign in used to work. Now i changed it and it doesnt. htaccess RewriteEngine On #RewriteBase /api/ Header add Access-Control-Allow-Headers "origin, x-requested-with, content-type" Header add … |
 | Hi, I'm an jQuery/Angular Developer last 5 years, and now I've planned move to ReactJS. I'm learning ReactJS by my own, as comparing the similar stuff what I did in jQuery (or Angular). My plan is, just to make a Login-Logout App, with ReactJS front-end and CodeIgniter - MySQL are … |
| | ## Introduction ## All TextView objects have a special attribute called `textAppearance`. This attribute can be used to set the style for text content in a TextView without affecting other styling attributes on the same TextView object. In this tutorial, we will learn how to apply `textAppearance` to TextView objects. … |
| | ## Introduction ## Junit is a popular framework to create tests for Java applications. Although individual unit tests are mostly straightforward, integration and functional tests are a little bit more involved because they usually require multiple components working together. For that reason, understanding the life cycle of Junit tests can … |
 | Hi, everybody. I write bots and decided to share my experience of writing bots on the [Chat API] platform, maybe it will be interesting to someone We’ll tell you how to write a simple bot on PHP using API WhatsApp. A demo bot will react on commands of ordinary Whatsapp … |
| | ## Introduction ## In Java 8, `@Repeatable` was introduced and this is the recommended way to create repeating annotations. We still have to create a holder Annotation(*annotation that holds an array of other annotations*), but we no longer have to declare the holder Annotation at the callsite. This tutorial aims … |
| | import requests endPoint = 'https://api.mnotify.com/api/template' apiKey = 'YOUR_API_KEY' url = endPoint + '?key=' + apiKey response = requests.get(url) data = response.json(); |
| | ## Introduction ## Before Java 8, methods had to throw an exception or return `null`, with neither of which approaches were perfect. Optional, OptionalInt, OptionalLong, and OptionalDouble were introduced in Java 8 to represent values that might possibly be `null`. Optionals have two internal states, **empty** or **present**. An Optional … |
| | ## Introduction ## There are many ways to design secure Java objects. In this tutorial, we are going to learn how to create secure Java objects by understanding **Accessibility**, **Extensibility**, and **Immutability**. ## Goals ## At the end of this tutorial, you would have learned: 1. Understand how and why … |
 | I just hired a developer in India to write an API upload script for my cloud server. He just finished it and it works fine for him, but I've tried it in all browsers and it doesn't work at all for me. I'm in the UK. What could cause this? |
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