小编Nes*_*don的帖子

Xamarin表单 - 调整相机图片大小

有人帮助我使用xamarin表格实验室相机获取此代码:

picker = DependencyService.Get<IMediaPicker> ();  
                task = picker.TakePhotoAsync (new CameraMediaStorageOptions {
                    DefaultCamera = CameraDevice.Rear, 
                    MaxPixelDimension = 800,

                });

                img.BackgroundColor = Color.Gray;

                Device.StartTimer (TimeSpan.FromMilliseconds (250), () => {
                    if (task != null) {
                        if (task.Status == TaskStatus.RanToCompletion) {
                            Device.BeginInvokeOnMainThread (async () => {
                                //img.Source = ImageSource.FromStream (() => task.Result.Source);
                                var fileAccess = Resolver.Resolve<IFileAccess> ();
                                string imageName = "img_user_" + User.CurrentUser().id + "_" + DateTime.Now.ToString ("yy_MM_dd_HH_mm_ss") + ".jpg";
                                fileName = imageName;

                                fileAccess.WriteStream (imageName, task.Result.Source);
                                fileLocation = fileAccess.FullPath(imageName);

                                FileStream fileStream = new FileStream(fileAccess.FullPath(imageName), …
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xamarin.forms xamarin.forms.labs

6
推荐指数
2
解决办法
2万
查看次数

OpenCV和OpenCVSharp设置

多次尝试正确编译,但显然我做错了.

我有OpenCV和OpenCVSharp的最新SVN签出.我使用CMake为OpenCV构建我的解决方案(使用x64 Visual Studio 2010配置),然后在Visual C++ Express 2010中编译它.

之后我再次使用Cmake为OpenCVSharp构建一个版本,但是我得到一个错误,说我弄乱了OpenCV dll.

另外,当我第一次在VC++中打开OpenCV时,我收到一条警告,说它不支持解决方案文件夹.不确定这是否有所不同.

编译环境: Windows 7 x64

Cmake(OpenCV构建日志)

Found Windows SDK v7.1: C:\Program Files\Microsoft SDKs\Windows\v7.1\
Could NOT find Qt4 (missing:  QT_QMAKE_EXECUTABLE QT_MOC_EXECUTABLE QT_RCC_EXECUTABLE QT_UIC_EXECUTABLE QT_INCLUDE_DIR QT_LIBRARY_DIR QT_QTCORE_LIBRARY) 
CUDA_TOOLKIT_ROOT_DIR not found or specified
Could NOT find CUDA (missing:  CUDA_TOOLKIT_ROOT_DIR CUDA_NVCC_EXECUTABLE CUDA_INCLUDE_DIRS CUDA_CUDART_LIBRARY) (Required is at least version "4.1")
Could NOT find PythonInterp (missing:  PYTHON_EXECUTABLE) (Required is at least version "2.0")

General configuration for OpenCV 2.4.9 =====================================

  Platform:
    Host:                        Windows 6.1 x86
    CMake:                       2.8.8 …
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opencv

5
推荐指数
1
解决办法
3348
查看次数

消耗 HATEOAS 资源

我有一个用Spring构建的简单HATEOAS提供程序,它为我提供以下资源:

{
  "_links" : {
    "self" : {
      "href" : "http://localhost:8080/employees{?page,size,sort}",
      "templated" : true
    },
    "search" : {
      "href" : "http://localhost:8080/employees/search"
    }
  },
  "_embedded" : {
    "employees" : [ {
      "id" : "5400d5152f5243f1988c649b",
      "name" : "Some Employee",
      "location" : [ 0.0, 0.0 ],
      "_links" : {
        "self" : {
          "href" : "http://localhost:8080/employees/5400d5152f5243f1988c649b"
        }
      }
    }, {
      "id" : "5400d5162f5243f1988c649c",
      "name" : "Some Employee",
      "location" : [ 0.0, 0.0 ],
      "_links" : {
        "self" : {
          "href" …
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spring spring-mvc hateoas jackson spring-hateoas

5
推荐指数
1
解决办法
4710
查看次数

将 JavaScript 中的变量获取到 Dart 中

我的 HTML 文档头中导入了一个 JavaScript 库。如何从该库访问对象?

谢谢。

javascript dart dart2js

4
推荐指数
1
解决办法
2239
查看次数

找不到适用于 GeoJsonPoint 类型的构造函数

很难弄清楚我做错了什么。遗憾的是我曾经让它工作过,但无法确定我改变了什么破坏了它。

据我了解,现在应该完全支持。

有问题的对象:

@Document
public class Place {

    public final static String URI = "/place";

    @Id private String id;

    private String name;

    private String caption;

    private GeoJsonPoint location;

    public Place() {}

    public Place(GeoJsonPoint geoJsonPoint) {
        this.location = geoJsonPoint;
    }

    // Proper getters & setters clipped.
}
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调用(出于某种原因,我的 Spring Boot 版本包含额外的 x/y 坐标。)

{
    "id": null,
    "name": null,
    "caption": null,
    "location": {
        "x": 41.988161,
        "y": -87.6911499,
        "type": "Point",
        "coordinates": [
            41.988161,
            -87.6911499
        ]
    }
}
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Pom(也许我有错误/冲突的依赖关系?)

<?xml version="1.0" encoding="UTF-8"?> …
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geojson spring-data-rest spring-data-mongodb spring-data-commons

4
推荐指数
1
解决办法
2912
查看次数

将Spring HATEOAS链接转换为对象的正确方法

我有一个非常简单的控制器,可以发出HTTP请求并以HATEOAS格式接收一些资源。

package com.provider.spring.controller;

import java.util.List;

import org.springframework.hateoas.Link;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.client.RestTemplate;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.provider.employee.EmployeeDTO;
import com.provider.http.HttpComponentsClientHttpRequestFactoryBasicAuth;
import com.provider.spring.rest.Resource;

@Controller
public class EmployeeController {

    private static final String REL_SELF = "self";
    private static final String REL_SEARCH = "search";
    private static final String REL_EMPLOYEE = "employee";
    private static final String RESOURCE_URI = "http://localhost:8080/employees";

    private RestTemplate restTemplate = new RestTemplate(new HttpComponentsClientHttpRequestFactoryBasicAuth("user", "password"));
    private List<EmployeeDTO> employees;


    @RequestMapping("/employees")
    public String getAllEmployees() {

        String result = null;
        try {
            String resultBody = restTemplate.getForObject(RESOURCE_URI, …
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spring hateoas spring-hateoas

3
推荐指数
1
解决办法
3034
查看次数

找不到HATEOAS方法

我的控制器似乎无法找到像"linkTo"这样的HATEOAS方法.

我错过了什么吗?

的pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.springframework</groupId>
    <artifactId>provider</artifactId>
    <version>0.1.0</version>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.1.5.RELEASE</version>
    </parent>

    <dependencies>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!-- Spring Security -->
        <!-- Auto configured, remove dependencies to disable. -->
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-config</artifactId>
        </dependency>

        <!-- OAuth 2.0 -->
        <dependency>
            <groupId>org.springframework.security.oauth</groupId>
            <artifactId>spring-security-oauth2</artifactId>
            <version>2.0.1.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test-mvc</artifactId>
            <version>1.0.0.M2</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>

        <!-- Spring MongoDB -->
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-mongodb</artifactId>
        </dependency>

        <!-- Spring REST MVC …
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spring-hateoas spring-boot

1
推荐指数
5
解决办法
4223
查看次数