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SwiftUI hierarchical Picker with dynamic data crashes [duplicate]

由 别说谁变了你拦得住时间么 提交于 2020-03-10 05:07:43
问题 This question already has an answer here : swiftUi : 2 Pickers on one screen - app crash with “Index out of range” (1 answer) Closed last month . I just started working on SwiftUI and I have some difficulty to manage several Pickers with dynamic data. In that case there's two Pickers, for Country and City . When I try to switch the Picker from a country with more cities than the other, the app would crash : Fatal error: Index out of range Any idea how I could fix that ? App Screenshot import

SwiftUI hierarchical Picker with dynamic data crashes [duplicate]

由 爱⌒轻易说出口 提交于 2020-03-10 05:07:42
问题 This question already has an answer here : swiftUi : 2 Pickers on one screen - app crash with “Index out of range” (1 answer) Closed last month . I just started working on SwiftUI and I have some difficulty to manage several Pickers with dynamic data. In that case there's two Pickers, for Country and City . When I try to switch the Picker from a country with more cities than the other, the app would crash : Fatal error: Index out of range Any idea how I could fix that ? App Screenshot import

Java: Dynamically Fill Array (not vector/ArrayList)

由 落爺英雄遲暮 提交于 2020-03-05 08:18:30
问题 I'm trying to figure out if there's someway for me to dynamically fill an array of objects within a class, without using array initialization. I'd really like to avoid filling the array line by line. Is this possible given the code I have here? final class Attributes { private final int TOTAL_ATTRIBUTES = 7; Attribute agility; Attribute endurance; Attribute intelligence; Attribute intuition; Attribute luck; Attribute speed; Attribute strength; private Attributes[] attributes; //array to hold

jquery dynamic page break not after heading

由 ℡╲_俬逩灬. 提交于 2020-03-05 04:14:07
问题 I'm working on dynamic responsive text columns. Basis is this script here fiddle, modified see here: fiddle Issue, amongst others, is pagebreak not after heading. Can anyone help? I wrapped each h2-tag with its following p-tag into div style='page-break-inside: avoid'-tag, but then a page break will occur after this wrapper! see fiddle - html - commented out $(document).ready(function() { var o = $('#text_all').first(), h = $(window).height() * 0.75, c = $('<div/>').css('width', $(window)

making a variable dynamic in if statement

由 别说谁变了你拦得住时间么 提交于 2020-03-04 15:35:53
问题 I am trying to do the bellow: setlocal enabledelayedexpansion set choice= set /p choice="Select File Number, or no to exit: " if "%choice%"=="no" ( goto cleanup ) else ( set "!choice!=%choice%" start %file!choice!% pause ) what i want is to open a file where the variable is %filex% and be able to choose what file to open 来源： https://stackoverflow.com/questions/60470710/making-a-variable-dynamic-in-if-statement

making a variable dynamic in if statement

由 ≡放荡痞女 提交于 2020-03-04 15:35:30
问题 I am trying to do the bellow: setlocal enabledelayedexpansion set choice= set /p choice="Select File Number, or no to exit: " if "%choice%"=="no" ( goto cleanup ) else ( set "!choice!=%choice%" start %file!choice!% pause ) what i want is to open a file where the variable is %filex% and be able to choose what file to open 来源： https://stackoverflow.com/questions/60470710/making-a-variable-dynamic-in-if-statement

Declaring variable sized array without using dynamic memory allocation

由 牧云@^-^@ 提交于 2020-03-02 02:12:30
问题 I want to allocate variable sized 2D array in a function without using new operator such that this 2D array is available to other functions in the same file. void draw(int i) { size=i; } void assign(char symbol) { char one[size][size]; /// ... Assigning values to one ... } void display() { /// Displaying values of one[size][size] for(int i=0;i<size;i++) { for(int j=0;j<size;j++) cout<<one[i][j]; cout<<endl; } } Execution order of functions is draw -> assign -> display This question may have

Primefaces TabView does not maintain selectOneMenu Values

由 我们两清 提交于 2020-02-28 06:42:27
问题 Hi I have a primefaces tabView looks like this <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui"> <h:head></h:head> <h:body> <p:messages /> <h:form id="form"> <p:tabView dynamic="true"> <p:tab title="Tab"> <p

overloading operators issue with addition

由 邮差的信 提交于 2020-02-26 04:16:27
问题 Having issues with adding objects. It seems to work when adding two, ex: 2.34 + 34.57 = 36.81, but fails when adding 3 or more ex: 6.78 + 9.81 + 4.59 = 79.59 <-- the total seems to increase drastically for some reason. The converter functions can be ignored since they simply translate the numerical total to english format and are working. The median and sorting, and > functions work as well, so the issue might be somewhere in the ostream, istream, or + functions. I used cout a whole bunch of

overloading operators issue with addition

由 耗尽温柔 提交于 2020-02-26 04:16:05
问题 Having issues with adding objects. It seems to work when adding two, ex: 2.34 + 34.57 = 36.81, but fails when adding 3 or more ex: 6.78 + 9.81 + 4.59 = 79.59 <-- the total seems to increase drastically for some reason. The converter functions can be ignored since they simply translate the numerical total to english format and are working. The median and sorting, and > functions work as well, so the issue might be somewhere in the ostream, istream, or + functions. I used cout a whole bunch of
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