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description | title | ms.date | f1_keywords | helpviewer_keywords | ms.assetid |
---|---|---|---|---|---|
Compiler Error CS0723 |
Compiler Error CS0723 |
07/20/2015 |
CS0723 |
CS0723 |
b9f6aebc-e959-407d-8d5c-6a6dcabcfe0f |
Compiler Error CS0723
Cannot declare variable of static type ‘type’
Instances of static types cannot be created.
The following sample generates CS0723:
// CS0723.cs public static class SC { } public class CMain { public static void Main() { SC sc = null; // CS0723 } }
1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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1 |
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Как воспроизводить случайную музыку?11.09.2021, 12:39. Показов 4070. Ответов 33
Добрый день!!! Я хочу сделать кнопку UI, при нажатии которой будет проигроваться рандомная музыка(те музыкальные клипы которые я укажу), помогите пж в написании скрипта.
__________________
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216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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11.09.2021, 13:10 |
2 |
массив аудио клипов и воспроизводишь с помощью AudioSourse клип из массива.рандом между нулевым элементом и массив.length(длина массива)
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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11.09.2021, 13:48 [ТС] |
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можно пожалуйста поточнее, вот скрипт но я думаю что это вообще не правильно
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Gammister 216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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11.09.2021, 15:08 |
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чуть не так , как я объяснял
Добавлено через 34 секунды Добавлено через 17 секунд Добавлено через 9 минут Добавлено через 1 минуту Добавлено через 11 минут
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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11.09.2021, 18:54 [ТС] |
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Сори, чето опять не догоняю. Только начал программировать, Помоги пж.
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Gammister 216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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11.09.2021, 19:30 |
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вешаешь скрипт на пустышку или любой нужный тебе объект и в поле с массивом клипов затаскиваешь нужные аудио файлы. Добавлено через 17 минут
& isGround это нужно убрать из условия. работать не будет. это из другого кода
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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12.09.2021, 09:38 [ТС] |
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Привет!!! Выдает ошибку
Severity Code Description Project File Line Suppression State
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Gammister 216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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12.09.2021, 11:22 |
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первые две строчки верни обратно Добавлено через 4 минуты
и со скобками намутил
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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12.09.2021, 11:49 [ТС] |
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все так и сделал, опять ошибку выдает(, сори что покоя не даю
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Gammister 216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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12.09.2021, 12:01 |
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какую ? переводи ошибки. и номер строки где ошибка тоже дается. Добавлено через 4 минуты
прописать рандом обычным Unity рандомом
Добавлено через 1 минуту Добавлено через 2 минуты
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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12.09.2021, 12:08 [ТС] |
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ошибка
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Gammister 216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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12.09.2021, 12:09 |
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и надеюсь у тебя в самом верху есть библиотеки…
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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12.09.2021, 12:25 [ТС] |
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Естественно есть…
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Gammister 216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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12.09.2021, 12:53 |
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добавь еще эту библу
Добавлено через 1 минуту
должен заработать. забыл ))
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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12.09.2021, 18:54 [ТС] |
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ошибки Severity Code Description
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529 / 341 / 196 Регистрация: 18.10.2019 Сообщений: 1,152 |
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12.09.2021, 19:43 |
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DeadRider, поменяй rnd на Random
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216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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13.09.2021, 00:06 |
17 |
поменяй rnd на Random советовал. у него так не работает.
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DeadRider 1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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13.09.2021, 12:09 [ТС] |
18 |
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И что делать тогда? Добавлено через 34 секунды Добавлено через 1 час 15 минут
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216 / 173 / 56 Регистрация: 07.05.2017 Сообщений: 1,341 |
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13.09.2021, 12:21 |
19 |
покажи скрины проекта. как там у тебя устроено. или создай новый скрипт пустой и скопируй в него всю эту логику.
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1 / 1 / 0 Регистрация: 09.09.2021 Сообщений: 34 |
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13.09.2021, 12:36 [ТС] |
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вот скрины проекта, скрипт создал новый, как ты и сказал, но проблема не устранилась Миниатюры
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Questions : Cannot create an instance of the static class Random
2023-02-06T13:11:58+00:00 2023-02-06T13:11:58+00:00
729
Hi Ive switched from regular coding to using solved uvdos c# Unity and Im getting errors for seemingly solved uvdos c# simple stuff. Here it is and Thanks in solved uvdos c# advance.
Error: Assets/Starting Biome.cs(8,18): error solved uvdos c# CS0712: Cannot create an instance of the solved uvdos c# static class ‘Random’
Error: Assets/Starting Biome.cs(8,7): error solved uvdos c# CS0723: Cannot declare a variable of static solved uvdos c# type ‘Random’
Error: Assets/Starting Biome.cs(9,23): error solved uvdos c# CS1061: ‘Random’ does not contain a solved uvdos c# definition for ‘Next’ and no accessible solved uvdos c# extension method ‘Next’ accepting a first solved uvdos c# argument of type ‘Random’ could be found solved uvdos c# (are you missing a using directive or an solved uvdos c# assembly reference?)
Here’s my Code:
using UnityEngine;
using System.Runtime;
public class StartingBiome : MonoBehaviour{
// Start is called before the first frame update
static void StrBiome(){
var RndB = new Random();
int StrB = RndB.Next();
}
void Start()
{
}
// Update is called once per frame
void Update()
{
}
}
Total Answers 3
29
Answers 1 : of Cannot create an instance of the static class Random
There is the static class quotes uvdos c# UnityEngine.Random and there is quotes uvdos c# System.Random.
Since you have the
using UnityEngine;
in your script but not
using System;
for the compiler it is clear that you quotes uvdos c# are referring to UnityEngine.Random.
Now you can either use explicitly
var RndB = new System.Random();
var StrB = RndB.Next();
Or add a
using Random = System.Random;
at the top of your script and then use quotes uvdos c# what you have.
var RndB = new Random();
var StrB = RndB.Next();
The UnityEngine.Random is specifically quotes uvdos c# made for float (Random.value). For int quotes uvdos c# values you have to go via quotes uvdos c# UnityEngine.Random.Range and to get the quotes uvdos c# same behavior as the System.Random.Next quotes uvdos c# (which only returns positive values) you quotes uvdos c# would have to rather do
using UnityEngine;
...
var StrB = Random.Range(0, int.MaxValue);
Now which of these two you chose is a quotes uvdos c# question of preference.
With the System.Random you create an quotes uvdos c# instance, use it once and throw it away quotes uvdos c# .. but that shouldn’t really matter in quotes uvdos c# your case.
0
2023-02-06T13:11:58+00:00 2023-02-06T13:11:58+00:00Answer Link
mRahman
5
Answers 2 : of Cannot create an instance of the static class Random
When using Unity, you should use Unity’s quotes uvdos c# own random number generator.
You can use quotes uvdos c# it like this:
StartingBiome.cs
using UnityEngine;
public class StartingBiome : MonoBehaviour
{
// Start is called before the first frame update
private static void StrBiome()
{
var strB = Random.Range(0, int.MaxValue);
}
private void Start()
{
}
// Update is called once per frame
private void Update()
{
}
}
This is the equivalent for C#’s quotes uvdos c# «random.Next()».
It returns a random quotes uvdos c# number within the Int32 range that is quotes uvdos c# equal or greater than 0. If you want to quotes uvdos c# use a smaller range, replace «0» with quotes uvdos c# the start of the range and quotes uvdos c# «int.MaxValue» with the end of the range quotes uvdos c# (start is inclusive, end is quotes uvdos c# exclusive).
You can also use floats. In quotes uvdos c# that case, both the start and the end of quotes uvdos c# the range are inclusive.
Happy coding!
0
2023-02-06T13:11:58+00:00 2023-02-06T13:11:58+00:00Answer Link
rohim
1
Answers 3 : of Cannot create an instance of the static class Random
For future readers: Both System.Random quotes uvdos c# and UnityEngine.Random work, but If you quotes uvdos c# are using Unity I would suggest using quotes uvdos c# Unity’s Random as it would be more quotes uvdos c# efficient. Here it is: int StrB = quotes uvdos c# Random.Range(min, max);. Massive thanks quotes uvdos c# to all the commenters
for being so kind quotes uvdos c# and helpful.
0
2023-02-06T13:11:58+00:00 2023-02-06T13:11:58+00:00Answer Link
rohim
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User2142845853 posted
this is similar to a question asked, but is different,
Goal is to upload and save pdf files in sql server, (or save other formats), defined the Model:
[Key] public int ID { get; set; } [Display(Name = "File Name")] public string FileName { get; set; } [Display(Name = "File ")] public Byte[] aFile { get; set; } [Display(Name = "File Date")] public DateTime filedate { get; set; } [Display(Name = "File Info ")] public string fileINFO { get; set; } [Display(Name = "file Owner ")] public string fileOWNER { get; set; }
varbinary(MAX) is the type in the SQL server for the Byte[ ]
It runs, it made its own local db instance, i can create a new record, textbox fields for the items, but for ‘aFile’ the create method generated a textbox instance, although it does not get displayed,
<div class="form-group"> @Html.LabelFor(model => model.aFile, htmlAttributes: new { @class = "control-label col-md-2" }) <div class="col-md-10"> @Html.EditorFor(model => model.aFile, new { htmlAttributes = new { @class = "form-control" } }) @Html.ValidationMessageFor(model => model.aFile, "", new { @class = "text-danger" }) </div> </div>
But then launching the open file dialog and @{ FileStream fs = } part to convert into a byte array, is there a jquery or angular directive that does this from within the html side?