Issue I’m writing for a university project a software in java – javafx but I have some problems in implementing a vote function graphically speaking. I have a political party icon like this: I want in java put a X
Continue readingTag: java
How to check if contours are the same?
Issue I’ve got two images, the second one is the first one after modification. I find contours of two images and then check if there any same contours. The problem is, that despite contours being the same (drawing contours of
Continue readingConvert WMF to PNG/BMP/JPG
Issue How can I convert one WMF file to PNG/BMP/JPG format with custom output resolution? Example: Take WMF file and outputs PNG file with 2000×2000 px. Thanks in advance. Solution You can use the excelent Batik ( http://xmlgraphics.apache.org/batik/ ) lib
Continue readingHow to straight an image by selecting four points in an Image?
Issue I want to straight an image by selecting four points in the image using getPerspectiveTransform() method of opencv in java. I know it can be done using with opencv in python: getPerspectiveTransform. If anyone used this to achieve image
Continue readingPixelInterleavedSampleModel is confusing with terms like pixel stride, scanline stride and band offsets
Issue While trying to read about pixel data, I came across PixelInterleavedSampleModel and used this link to get more information. However the terms Pixel Stride, Scanline Stride and bandoffsets in the documentation has confused me. Especially the below details are
Continue readingJava / Kotlin – best approach for fast pixel wise image operations
Issue Overall Problem – I want to do fast image modification in Android, and my current naive solution is too slow I’m building an Android app that will involve fast modification of streaming images. I am running it on a
Continue readingHow to exclude date stored in database to a range?
Issue I have a table "Holidays" in my database, that contains a range of days when it’s the holidays, defined with two column: start & end. Holidays (id, name, start, end) Now, if I have in input, two dates (from
Continue readingJava: Generate array from 1 to n with step size
Issue I have trouble with a quite easy task. I want to have an array from 0 to a value n with step size t, always ending with n. Example 1: n=10, t=3, array={0, 3, 6, 9, 10} Example 2:
Continue readingHow to display only years and months without days in a pop-up window in Vaadin datepicker?
Issue How to display only years and months without days in a pop-up window in Vaadin datepicker? Is there such a possibility? See the example in the screenshot Solution DatePicker doesn’t have that kind of functionality, at least at the
Continue readingIs Guava possible to build range with two conditions as "between"?
Issue i’m struggling with making range conditions to evaluate values. For checking values per symbol, I have made switch condition to generate sentence for evaluating values flexibly. Is below code valid for checking values? (e.g. 300 <= value <= 500).
Continue readingCannot read property MyToast.java of undefined
Issue I have been following this Tutorial to achieve Write Java code in nativescript and use directly in typescript But I got an error Cannot read property ‘MyToast’ of undefined app.component.ts: import {Component} from “@angular/core”; let application = require(“application”); declare
Continue readingHow to override an overload Java method in nativescript?
Issue I have an Android-Java class that have two overloaded methods package com.test; public class A{ public void theMethod(Bitmap bitmap){ … } public void theMethod(int resource){ … } } And I am trying to extends the class in a Nativescript-Angular
Continue readinguse Android Native code (JAVA) in NativeScript
Issue i want to use native android code in my NativeScript app to check if there is update available in play store. I am using official android docs. Support in app updates Android The native java code is below //
Continue readingCan't get Boolean as BodyParameter from RouterFunction<ServerResponse> with BodyToMono
Issue I’m trying to get a boolean parameter from an Angular 6 app and Spring can’t handle it. I got the following error : org.springframework.web.server.UnsupportedMediaTypeStatusException: 415 UNSUPPORTED_MEDIA_TYPE "Content type ‘text/plain;charset=UTF-8′ not supported for bodyType=java.lang.Boolean" That’s my front end code :
Continue readingJava Webserver W/ Angular Control Panel Web Interface
Issue I have created an application using spring boot that uses angular for the front end and is a basic login portal with encrypted credentials and click verification, what I want to do is have like when someone visits the
Continue readingTraversing nested HTML lists recursively
Issue I am unable to take the HTML below and put it into a list like: List<String> output = Arrays.asList( new String[] { "First Level-Second Level–Third Level", "a-b–c1", "a-b–c2", "a-b–c3", "a-b2–c1", "a-b2–c2", "a-b2–c3" }); <ul> <li>First Level</li> <ul> <li>Second Level</li>
Continue readingEmpty (null) GET consuming the imDb API
Issue I had the problem that couldn’t GET anything, now I get something but it’s completely empty (null). And one more thing, if this is solved with the GET, how can I manage this page with HTML, so for example
Continue readingHow do I prevent Jsoup from removing 'href' attribute of anchor element?
Issue I want to use Jsoup to cleanse input while still allowing anchor elements with an "href" attribute to remain untouched; however, I’ve found that no matter what I do, Jsoup.clean() removes the "href" attribute. Test code follows: public static
Continue readingIPC Communication between Node.js and Java
Issue I’m looking to communicate between Node.js and a Java sub-process via IPC. I’m looking for recommendations that do not require opening a port. const { spawn } = require(‘child_process’) // Java App is within args const args = []
Continue readingNode.js embed isn't generating invite links
Issue not really sure what’s going on with this code.. At one point, the code was working fine. Woke up the next day and it completely stopped working. Im not sure if something was updated, but its just weird. JavaScript
Continue readingHow do I grab text from Selenium (Java)?
Issue I am trying to grab the text $1.00 from the following HTML code (I have the xpath, so don’t worry about that). For this purpose, we can say the xpath is //*[@id="price-string"] <strong id="price-string">$1.00</strong> I have tried using driver.findElement(By.xpath("//*[@id="price-string"]"))
Continue readingAngular :: ERROR TypeError: Cannot convert undefined or null to object
Issue I am using Spring Boot as backend and Angular as FrontEnd. I am sending a GET request from Angular to fetch Location City from Backend database and save it in variable to populate a drop-down. I have used a
Continue readingJavaFx: CSS element unable to inherit properties of it's ID
Issue I have created an Options menu with JavaFx and styled it with CSS. I have used FXML for designing the options window. In the options window, I have created a label at the top and given it ID "title".
Continue readingget Header in jersey from a GET request
Issue From a js page (in angular) I call a REST request, GET method, were I would to pass an header, this is the function that I call from the REST request: allstaffworking: function(_getstaff){ var currentToken = _GetToken(); var Headers
Continue readingHow to write the equivalent of this Java encryption function in the Node JS
Issue This is the function used to encrypt in java public static String encryptionFunction(String fieldValue, String pemFileLocation) { try { // Read key from file String strKeyPEM = ""; BufferedReader br = new BufferedReader(new FileReader(pemFileLocation)); String line; while ((line =
Continue readingHow to access data of spring model in another html page?
Issue PlaceController.java @GetMapping("/places") public String listPlaces(Model model, HttpSession session) { //keys and values , access this key using thymeleaf syntax ${listPlaces} model.addAttribute("listPlaces", placeService.getAllPlaces()); return "place/places"; } I need to get the listPlaces data from places.html to index.html I tried to
Continue readingJava convert Html to Image
Issue I generated a Html with information of my client, so that he can attach them to your website or email. But some clients asked me to generate an image and not the html. I used the code below to
Continue readingGet n-th child Element with Jsoup
Issue For example a web site has a code like this: <div> <div> first </div> <div> second </div> <div> third </div> </div> and I want to get the “second” div text with “Jsoup” and it has no attribute or class.
Continue readingHow would I go about turning JavaScript into Java?
Issue I would like to use the following code in Android studio, instead of via a web browser. However, I am having trouble converting javascript into java. Particularly the first variable that defines several other variables below. I would appreciate
Continue readingSpringBoot. Thymeleaf. How to make table's column clickable to send request to Controller?
Issue I’ve created table with 8 columns: <table border=”1″ cellspacing=”0″ cellpadding=”0″> <tr height=”30″> <div th:each=”horiz1, state : ${#numbers.sequence(1, 8)}”> <td width=”30″ th:value=${state.count} th:attr=”action=@{/}” > </td> </div> </tr> </table> In fact each column (tag "td") should serve as a button and
Continue readingHow to use Spring Security to custom login page?
Issue I am using Spring Security to my application and here is the security part which authenticates the user but the login page is given by Spring Security: @EnableWebSecurity public class SecurityConfig extends WebSecurityConfigurerAdapter { public void configure(HttpSecurity httpSecurity) throws
Continue readingthymeleaf object binding can ignore case for form fields?
Issue Newly started using thymeleaf for my application. I am building a dynamic form from controller where form fields are created as a list of map. Each key value pair is iterated as below. <form th:action="#" th:object="${foo}" method="post">… <input type="text"
Continue readingJavaFX DatePicker set alignment of date value
Issue When I use the Datepicker of JavaFX and use the full width of the node, the text of the date picker is not centered. I tried with setStyle(“-fx-alignment: center;”) but this does not work. I want something like this
Continue readingHow to remove extra space after separator in toolbar in JavaFX?
Issue This is my code: public class NewMain1 extends Application { public static void main(String[] args) { launch(args); } @Override public void start(Stage primaryStage) { HBox root = new HBox(); ToolBar toolbar = new ToolBar(); toolbar.getItems().addAll(new TextField(), new Separator(), new
Continue readingJavaFX css menu borders wrong color
Issue I have a JavaFX Application, with a MenuBar, with 3 Menus, with a few MenuItems each. After changing the colors of the MenuBar/Menus/MenuItems, I have these brighter bars (below "Unterstützte Melder" and above "Daten laden") I would like them
Continue readingHow to let users upload or change the uploaded images in one page, and display it in another page?
Issue How to let user upload image in one page, and then display it in another page? User can change the image and it’ll be changed also in the other page. Also, I’m talking about using php / js /
Continue readingWhy aren't my CSS borders showing up in JavaFX gui?
Issue I’m trying to show walls on the GUI (fxml) with CSS borders using .getStyleClass().add() but they’re not showing up. I’m using a switch that adds the corresponding style classes to the cells. The Java code: private StackPane createCell(int row,
Continue readingParse String API response containing GeoJson FeatureCollection to Angular and add them as pins with pop-up info on leaflet map
Issue Below is the service method (JsonObjectBuilderService) that converts an object (FeatureCollectionForGeoJson) to a jsonStr. This service method is used in the Get RequestMapping to send a response to the front-end. The FeatureCollectionForGeoJson object is a class mapped for GeoJson
Continue readingSpring and Angular: How to make two http calls one after another with a condition
Issue I have an Angular interface which handles a file upload, after a submit button it persist this file in MySQL database. I want to make another call inside this submit method but the second http call needs the id
Continue readingStyle ChoiceBox list with CSS in JavaFX
Issue How do I access this list in css or in code in order to style it. I couldn’t figure it out from modena.css. By using .choice-box > * { -fx-background-color: black; } the list is unaffected, so it is
Continue readingServlet html generated code is shown as plain text after nosniff added to httpd.conf file
Issue After adding the following line to our Apache httpd.conf configuration file, the html code generated by our servlets is not interpreted correctly by the browser, but its html code is displayed as plain text: Header set X-Content-Type-Options nosniff From
Continue readingCreate Docker container with both Java and Node.js
Issue I am not sure why I expected this to work: # Dockerfile FROM node:6 FROM java:8 but it doesn’t really work – looks like the first command is ignored, and second command works. Is there a straightforward way to
Continue readingHow to create docker image with nodejs 12, java, gcc, g++,python3, monocs
Issue I am trying to dockerize my NodeJs & Express API . In my API iam using https://www.npmjs.com/package/compile-run package to compile and run C, Cpp,Java,JavaScript(Node.js env), Python languages. This package requires all 5 compilers(gcc,g++,nodejs,python3,javac) installed on the server. If any
Continue readingTypeError: expressJwt is not a function
Issue I’m trying to write middleware for user authorization in my app. I use this function to check if a route requires being sign in. The code is as follows: const { expressJwt } = require(‘express-jwt’); exports.requireSignin = expressJwt({ secret:
Continue readingWhy doesn't String.equals() method work inside the JSTL Core tag <c:if>?
Issue Purpose of code: To validate an input string from the user. If the user inputs his name, stored as ‘n’, as “James” then the message “Validated!” is displayed. (A separate HTML form takes care of the input string) Although
Continue readingSelection Border in JavaFX. Wanting to change default behavior with CSS
Issue I am using validation that puts a red border around my TextFields nameTF.setStyle("-fx-text-box-border: red;"); And set it back to default using nameTF.setStyle("-fx-text-box-border: #D3D3D3;"); I am trying to use a CSS: Hoping to increase the width of the border so
Continue readingHow to use selenium methods to choose web elements
Issue I am very new to selenium and I just want to know how I can select a radio button with the following html: HTML Code: <div ng-class={‘selected’:profile.info.carUnder20k==false||profile.info.carUnder20k==’false’}” ng-click=”onChoice($event, ‘carUnder20k’, ‘false’);” data-field=”carUnder20k” class=”choice selected” style=””>N</div> Sorry Multiline doesn’t work… I
Continue readingJWT Signing in NodeJS and but unable to verify in Java
Issue I want to pass a JWT token from a NodeJS service to another service in Java. However, based on the what I’ve tried, the token is always invalid whenever I try to verify it on the Java side. I
Continue readingHow do I style a cell in the date picker that is not in the current month
Issue I’m currently working on a registration form for my JavaFX application. The thing is, I want to make cells in the date picker grey out when that cell isn’t on the page’s month. Let’s look at my current date
Continue readingHow to solve thymeleaf template parsing error
Issue I’m trying to present a html to screen but I’m getting template parser error from thymeleaf. Here is my code and error: index.html: <body> <h2>My ToDo List</h2> <form action="/send-form-data" method="post" th:object="${myForm}"> <table> <tr> <td>Title:</td> <td><input type="text" th:field="*{title}"/></td> </tr> <tr>
Continue readingStruts2: Pass parameter to the action class does not work
Issue I am using struts 2.3.24 I wanted to pass some parameter to the action class. Here is my link. <a id = “errorOid” type = “submit” href = “<s:url action=”SortIssue”><s:param name=”sortField” value=”ISSUE_OID”/></s:url>”> Error Oid </a> When I click on
Continue readingHow to implement token validation linked to a PDF document?
Issue So, I am developing a website for my university that manage courses and online activities (like panels, lectures, etc) and I created a module that sends a PDF document with a participation certificate to the people that attended to
Continue readinghow do I pass all these function using only one context
Issue I have these all context created, but now I want to make it optimized. How do I pass all the created functions using only one context provider. I have three functions to handle the cart options handleAddProduct handleRemoveProduct handleCartClearance
Continue readingHow to connect NodeJS and Java?
Issue I need for my Node application to be able to send and recieve data to/from an already running Java app or to launch Java app from Node. So, is there a way to send data from NodeJS to Java
Continue readingHow to display HTML img tag inside Android TextView
Issue Hi I am new to android development. I have a string which looks like this String source = "Hi <b>Ram</b>. This is the Formula <img src=\"https://i.postimg.cc/wTXjVKDf/ste.png\"/> Check it Out"; I want to display it in TextView. I used textView.setText(Html.fromHtml(source,
Continue readingSelect Element based on HTML Cell Contents with Selenium Java
Issue I have an HTML table with each cell containing a checkbox and a color name. HTML color table I need to tick the checkbox of any given color. The checkbox itself has no good identifiers indicating what color it’s
Continue readingHow to decrypt JSON data in android from node js
Issue I try to decrypt to json response in Android from node js server and it does not decrypt it correctly. But it decrypted correctly a string or JSONArray. When i decrypt json object in node js from android, it
Continue readingSetting font of JLabel or JOptionPane with html
Issue I tried to set/change the font of a JLabel and the message of a JOptionPane with this code: import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SetFontViaHtml extends JFrame { String html= """ <html>Default <b>bold</b> off</font><br> <font face=Arial>Arial <b>bold</b>
Continue readingHow to use selenium methods to choose web elements
Issue I am very new to selenium and I just want to know how I can select a radio button with the following html: HTML Code: <div ng-class={‘selected’:profile.info.carUnder20k==false||profile.info.carUnder20k==’false’}” ng-click=”onChoice($event, ‘carUnder20k’, ‘false’);” data-field=”carUnder20k” class=”choice selected” style=””>N</div> Sorry Multiline doesn’t work… I
Continue readingHow to solve thymeleaf template parsing error
Issue I’m trying to present a html to screen but I’m getting template parser error from thymeleaf. Here is my code and error: index.html: <body> <h2>My ToDo List</h2> <form action="/send-form-data" method="post" th:object="${myForm}"> <table> <tr> <td>Title:</td> <td><input type="text" th:field="*{title}"/></td> </tr> <tr>
Continue readingHow to chain exceptions in javascript (ie add cause like in java)
Issue Is there a standard / best practice way to add a cause of an exception in javascript. In java you might do this: Throwable t = new Exception(“whatever”); t.addCause(previouslyCaughtException); throw t; When the resulting exception is printed, it’ll give
Continue readingTypeError: expressJwt is not a function
Issue I’m trying to write middleware for user authorization in my app. I use this function to check if a route requires being sign in. The code is as follows: const { expressJwt } = require(‘express-jwt’); exports.requireSignin = expressJwt({ secret:
Continue readingJWT Signing in NodeJS and but unable to verify in Java
Issue I want to pass a JWT token from a NodeJS service to another service in Java. However, based on the what I’ve tried, the token is always invalid whenever I try to verify it on the Java side. I
Continue readingHow to implement token validation linked to a PDF document?
Issue So, I am developing a website for my university that manage courses and online activities (like panels, lectures, etc) and I created a module that sends a PDF document with a participation certificate to the people that attended to
Continue readingHow to send post form with java?
Issue I would like to send a post form with java on a website. I came up with this, but I dont what to do next or if this is even the right way. URL url = new URL(“http://127.0.0.1”); URLConnection
Continue readingNested loop in Thymeleaf
Issue I’m a newbie to Thymeleaf. I have two objects- Classroom & Student: each Classroom contains a List<Student> and I can have a list of classrooms: List<Classroom>. What I want to be able to do with Thymeleaf is the equivalent
Continue readingHow to expose Images securely so user can use it directly in <img src="">
Issue We have images in our Database. End user want to access it using <img src="https://mydata.ra.com/Api/image"> We informed end user to call our API and we will return base64 and use that. (Call from Backend code or javascript) We are
Continue readingHow to expose Images securely so user can use it directly in <img src="">
Issue We have images in our Database. End user want to access it using <img src="https://mydata.ra.com/Api/image"> We informed end user to call our API and we will return base64 and use that. (Call from Backend code or javascript) We are
Continue readingNested loop in Thymeleaf
Issue I’m a newbie to Thymeleaf. I have two objects- Classroom & Student: each Classroom contains a List<Student> and I can have a list of classrooms: List<Classroom>. What I want to be able to do with Thymeleaf is the equivalent
Continue readingNested loop in Thymeleaf
Issue I’m a newbie to Thymeleaf. I have two objects- Classroom & Student: each Classroom contains a List<Student> and I can have a list of classrooms: List<Classroom>. What I want to be able to do with Thymeleaf is the equivalent
Continue readingJava add attribute to HTML tags without changing formatting
Issue A have a task to make a maven plugin which takes HTML files in certain location and adds a service attribute to each tag that doesn’t have it. This is done on the source code which means my colleagues
Continue readingHow to send post form with java?
Issue I would like to send a post form with java on a website. I came up with this, but I dont what to do next or if this is even the right way. URL url = new URL(“http://127.0.0.1”); URLConnection
Continue readingHow to send post form with java?
Issue I would like to send a post form with java on a website. I came up with this, but I dont what to do next or if this is even the right way. URL url = new URL(“http://127.0.0.1”); URLConnection
Continue readingSpring Boot: managing APIs over multiple html pages
Issue i am building a web application using Spring Boot and HTML pages. In multiple HTML pages I am using the same navbar: <ul class="navbar-nav mr-auto"> <li class="nav-item active"> <a href="/home" class="nav-link">Home</a> </li> <li class="nav-item"> <a href="/user/showAllProducts" class="nav-link">All Products</a> </li>
Continue readingSpring Boot: managing APIs over multiple html pages
Issue i am building a web application using Spring Boot and HTML pages. In multiple HTML pages I am using the same navbar: <ul class="navbar-nav mr-auto"> <li class="nav-item active"> <a href="/home" class="nav-link">Home</a> </li> <li class="nav-item"> <a href="/user/showAllProducts" class="nav-link">All Products</a> </li>
Continue readingJava add attribute to HTML tags without changing formatting
Issue A have a task to make a maven plugin which takes HTML files in certain location and adds a service attribute to each tag that doesn’t have it. This is done on the source code which means my colleagues
Continue readingAWS Lambda connecting to Internet
Issue TL;TR I am trying to connect to internet from AWS Lambda, I have a private subnet with a NAT Gateway but still the function cannot connect to internet… Full Question So I am trying to access internet with my
Continue readingAWS Lambda connecting to Internet
Issue TL;TR I am trying to connect to internet from AWS Lambda, I have a private subnet with a NAT Gateway but still the function cannot connect to internet… Full Question So I am trying to access internet with my
Continue readingDynamic dropdowns using thymeleaf, spring boot
Issue I have 3 dropdowns(one is populate with cities, one with agencies and one with services). If I select one city, the second dropdown should load the data(agencies), and if i select one agency, the 3 dropdown should load data(services).
Continue readingDynamic dropdowns using thymeleaf, spring boot
Issue I have 3 dropdowns(one is populate with cities, one with agencies and one with services). If I select one city, the second dropdown should load the data(agencies), and if i select one agency, the 3 dropdown should load data(services).
Continue readingHow to send HTTP request in java?
Issue In Java, How to compose a HTTP request message and send it to a HTTP WebServer? Solution You can use java.net.HttpUrlConnection. Example (from here), with improvements. Included in case of link rot: public static String executePost(String targetURL, String urlParameters)
Continue readingHow to send HTTP request in java?
Issue In Java, How to compose a HTTP request message and send it to a HTTP WebServer? Solution You can use java.net.HttpUrlConnection. Example (from here), with improvements. Included in case of link rot: public static String executePost(String targetURL, String urlParameters)
Continue readingHow to convert ArrayList to Pageable object springboot
Issue I was trying to return list as page object to my client side angular Application. But it return all the list not a page. this is my server side controller method which return the list @GetMapping(“/users/departmentAdminPageUsers”) @Timed public ResponseEntity<List<DepartmentAdminPageUserDTO>>
Continue readingHow to convert ArrayList to Pageable object springboot
Issue I was trying to return list as page object to my client side angular Application. But it return all the list not a page. this is my server side controller method which return the list @GetMapping(“/users/departmentAdminPageUsers”) @Timed public ResponseEntity<List<DepartmentAdminPageUserDTO>>
Continue readingHow to add html with thymeleaf and bind object or its fields to that html on button click?
Issue This is simple java class that has a list of strings for example: public class Apple { private List<String> listOfStrings; // getters setters } html with thymeleaf: <form method="post" th:object="${apple}"> // apple is set through Model.addAttribute(.., ..) in Controller
Continue readingHow to CSS visibility works
Issue I put my whole code in https://jsfiddle.net/xmbohx/kuaen74m/5/ Trying to toggle the profile picture to reveal the menu in it but cannot. the html: <div class="wrapper"> <div class="header"> <div class="header-menu"> <div> <div class="title">LOGG <span>Panel</span></div> </div> <div class="sidebar-btn"> <i class="fas fa-bars"></i>
Continue readingAndroid Studio – blank white screen when running Ionic App on an emulator
Issue I’m working on an Ionic App. It’s running fine both in iOS emulator (via Xcode) and via ionic serve, but when trying to run it on an android emulator in Android Studio, the following happens: The Emulator launches successfully
Continue readingAndroid Studio – blank white screen when running Ionic App on an emulator
Issue I’m working on an Ionic App. It’s running fine both in iOS emulator (via Xcode) and via ionic serve, but when trying to run it on an android emulator in Android Studio, the following happens: The Emulator launches successfully
Continue readingHow to CSS visibility works
Issue I put my whole code in https://jsfiddle.net/xmbohx/kuaen74m/5/ Trying to toggle the profile picture to reveal the menu in it but cannot. the html: <div class="wrapper"> <div class="header"> <div class="header-menu"> <div> <div class="title">LOGG <span>Panel</span></div> </div> <div class="sidebar-btn"> <i class="fas fa-bars"></i>
Continue readingGenerate images for html heading with Java servlet
Issue I found Facelift which can basically generate html headings as images (with “nice font”) on the fly. Does something similar exist for Java (couldn’t find one myself)? Cheers, stephanos Solution Have look at http://swit.kornr.net/ Its for Wicket, but perhaps
Continue readingSocket communication between Android app and web browser
Issue My Android device+app is continuously sending data every few ms, and I’d like to receive it on my web browser application that I’m building with JavaScript/HTML. In the Android/Java app I do the following over socket: //Initialize, where PORT
Continue readingSocket communication between Android app and web browser
Issue My Android device+app is continuously sending data every few ms, and I’d like to receive it on my web browser application that I’m building with JavaScript/HTML. In the Android/Java app I do the following over socket: //Initialize, where PORT
Continue readingTruncating big text value in p:dataTable and exporting the table with the full text
Issue I am using Primefaces 3.5 with JSF 2 and have a dataTable: <p:dataTable id="dataTable" var="refType" value="#{rtmUiController.listAllRefTypes()}" paginator="true" rows="10" filteredValue="#{rtmUiController.filteredRefTypes}" paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}" rowsPerPageTemplate="10,25,50,100" resizableColumns="true" emptyMessage="No reference type found."> The table contains the following column with
Continue readingTruncating big text value in p:dataTable and exporting the table with the full text
Issue I am using Primefaces 3.5 with JSF 2 and have a dataTable: <p:dataTable id="dataTable" var="refType" value="#{rtmUiController.listAllRefTypes()}" paginator="true" rows="10" filteredValue="#{rtmUiController.filteredRefTypes}" paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}" rowsPerPageTemplate="10,25,50,100" resizableColumns="true" emptyMessage="No reference type found."> The table contains the following column with
Continue readingHow to get Thymeleaf to parse boolean for SpringBootMVC? [ThymeLeaf-SpringBoot-Java17]
Issue So I have a hardcoded true/false value in HTML so I can use that to fill the E.bool value for one of my entities after the HTML form submits (POST). HTML // I tried <select id="isBool" name="isBool" class="form-select" aria-label="select">
Continue readingHow to get Thymeleaf to parse boolean for SpringBootMVC? [ThymeLeaf-SpringBoot-Java17]
Issue So I have a hardcoded true/false value in HTML so I can use that to fill the E.bool value for one of my entities after the HTML form submits (POST). HTML // I tried <select id="isBool" name="isBool" class="form-select" aria-label="select">
Continue readingHow to add html with thymeleaf and bind object or its fields to that html on button click?
Issue This is simple java class that has a list of strings for example: public class Apple { private List<String> listOfStrings; // getters setters } html with thymeleaf: <form method="post" th:object="${apple}"> // apple is set through Model.addAttribute(.., ..) in Controller
Continue readingGenerate images for html heading with Java servlet
Issue I found Facelift which can basically generate html headings as images (with “nice font”) on the fly. Does something similar exist for Java (couldn’t find one myself)? Cheers, stephanos Solution Have look at http://swit.kornr.net/ Its for Wicket, but perhaps
Continue readingHow can i run a function when multiple buttons are clicked
Issue Im trying to make it when buttons are clicked it causes a function which returns it to true and when it returns to true another button checks that and causes another function to run. WHAT I TRIED: function done1(){
Continue readingERROR: TypeError: Cannot read properties of undefined (reading 'indexOf')
Issue In this code, I have an error that says "Cannot read properties of undefined (reading ‘indexOf’)" lowPassword(control: FormControl): { [lowLevelPassword: string]: boolean; } { if (this.invalidPassword.indexOf(control.value) != -1) { return { lowLevelPassword: true, }; } return null; } Solution
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