我已经创建了一个简单的应用程序,从中获取图像,然后GridView以无限滚动显示它们.
我的OnScrollListener:
public class BasicOnScrollListener implements AbsListView.OnScrollListener {
private IOnScroll onScroll;
public BasicOnScrollListener(IOnScroll action) {
this.onScroll = action;
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
if (firstVisibleItem + visibleItemCount >= totalItemCount - visibleItemCount)
onScroll.onReachedEnd();
}
}
Run Code Online (Sandbox Code Playgroud)
代码可用于数据处理:
private List<Image> images = new ArrayList<>();
....
private void init() {
this.imageAdapter = new ImageAdapter(this, images);
this.gridView.setAdapter(imageAdapter);
populateGridView();
this.gridView.setOnScrollListener(new BasicOnScrollListener(() -> {
populateGridView();
})); …Run Code Online (Sandbox Code Playgroud) 我正在使用 MySQL db 在 ASP.NET CORE 中制作 rest api。在我的一个存储库中,我正在获取、过滤、分页和排序数据。虽然我收到一条警告消息:__ queryObj__Categorie.. 使用行限制操作(跳过/获取),这可能会导致不可预测的结果。所以我的问题是,使用以下代码可以得到什么样的不可预测的结果???
public async Task<QueryResult<User>> GetAll(UserQuery queryObj)
var query = context.users
.Include(users=> users.Category)
.Include(users=> users.Tags)
.Include(users=> users.Localization)
.AsQueryable();
if (queryObj.Categories.Length > 0)
query = query.Where(v => queryObj.Categories.Contains(v.Category.Name));
if (queryObj.Localizations.Length > 0)
query = query.Where(v => queryObj.Localizations.Contains(v.Localization.Id));
int usersCount = query.Count();
//only orders when there is specific value set in queryObj
query = query.ApplyOrdering(queryObj, COLUMNS_MAP);
query = query.ApplyPaging(queryObj);
var users = await query.ToListAsync();
var queryResult = new QueryResult<Users>();
queryResult.items = users;
queryResult.itemsCount …Run Code Online (Sandbox Code Playgroud) 我试图在汇编程序中创建函数以在 C 中使用它。我的问题是我无法编译我的代码。我正在使用 Visual Studio 2012。我在构建自定义中添加了 masm,所以我不知道出了什么问题。C:
#include <stdio.h>
int szukaj_max (int a, int b, int c);
int main()
{
int x, y, z, wynik;
printf("\nProsz?poda?trzy liczby ca?kowite: ");
scanf_s("%d %d %d", &x, &y, &z, 32);
wynik = szukaj_max(x, y, z);
printf("\nSpo?ród podanych liczb %d, %d, %d, \ liczba %d jest najwi?ksza\n", x,y,z, wynik);
return 0;
Run Code Online (Sandbox Code Playgroud)
集会:
.686
.model flat
public _szukaj_max
.code
_szukaj_max PROC
push ebp ; zapisanie zawarto?ci EBP na stosie
mov ebp, esp ; kopiowanie zawarto?ci ESP …Run Code Online (Sandbox Code Playgroud) 您好,我编写了以下代码来从 Azure Blob 存储中获取 Blob。
import { BlobServiceClient, ContainerClient, ServiceFindBlobsByTagsSegmentResponse } from '@azure/storage-blob';
import { GetBlobPageInput, GetBlobPageOutput, PutBlobItemsInput, GetBlobItem } from './interfaces/blob.service.interface';
export const getBlobsPage = async<T>(input: GetBlobPageInput) => {
const blobServiceClient = BlobServiceClient.fromConnectionString(input.blobConnectionString);
const iterator = blobServiceClient
.findBlobsByTags(input.condition)
.byPage({ maxPageSize: input.pageSize });
return getNextPage<T>({
iterator,
blobServiceClient,
blobContainer: input.blobContainer,
});
};
[...]
Run Code Online (Sandbox Code Playgroud)
我正在尝试为其编写一个单元测试,但是当我尝试从 @azure/storage-blob 模拟 BlobServiceClient 时遇到了麻烦。我编写了示例测试和模拟,如下所示:
import { getBlobsPage } from './../../services/blob.service';
const fromConnectionStringMock = jest.fn();
jest.mock('@azure/storage-blob', () => ({
BlobServiceClient: jest.fn().mockImplementation(() => ({
fromConnectionString: fromConnectionStringMock,
})),
}));
describe('BLOB …Run Code Online (Sandbox Code Playgroud) android ×1
asp.net-core ×1
assembly ×1
c# ×1
c++ ×1
gridview ×1
java ×1
jestjs ×1
mixed ×1
mysql ×1
node.js ×1
optimization ×1
typescript ×1
unit-testing ×1