本文将介绍RuntimeError:Compressionrequiresthe(missing)zlibmodule的详细情况,。我们将通过案例分析、数据研究等多种方式,帮助您更全面地了解这个主题,
本文将介绍RuntimeError: Compression requires the (missing) zlib module的详细情况,。我们将通过案例分析、数据研究等多种方式,帮助您更全面地了解这个主题,同时也将涉及一些关于"One or more types required to compile a dynamic expression cannot be found. Are you missing...、Access restriction: The type BASE64Encoder is not accessible due to restrict on required library、Android piles of RuntimePermissions requests, code improving、Apache Shiro 使用 RequiresPermissions with Spring...的知识。
本文目录一览:- RuntimeError: Compression requires the (missing) zlib module
- "One or more types required to compile a dynamic expression cannot be found. Are you missing...
- Access restriction: The type BASE64Encoder is not accessible due to restrict on required library
- Android piles of RuntimePermissions requests, code improving
- Apache Shiro 使用 RequiresPermissions with Spring...
RuntimeError: Compression requires the (missing) zlib module
安装 setuptools 报的错误,安装 zlib 和 zlib_devel 两个包
rpm -ivh zlib-1.2.3-29.el6.x86_64.rpm
rpm -ivh zlib-devel-1.2.3-29.el6.x86_64.rpm
安装成功后重新编译 python2.7.2
"One or more types required to compile a dynamic expression cannot be found. Are you missing...
#事故现场:
在一个.net 4.0 的项目中使用 dynamic,示例代码如下:
1 private static void Main(string[] args)
2 {
3 dynamic obj;
4 obj = new { name = "jack" };
5 Console.WriteLine(obj.name);
6 }
在读取 obj.name 时,报错:
One or more types required to compile a dynamic expression cannot be found. Are you missing references to Microsoft.CSharp.dll and System.Core.dll?
#解决方法:
在项目中,添加 Microsoft.CSharp.dll 的引用;
#参考:
https://stackoverflow.com/questions/11725514/one-or-more-types-required-to-compile-a-dynamic-expression-cannot-be-found-are
——————————————————————————————————————————————————
Access restriction: The type BASE64Encoder is not accessible due to restrict on required library
今天在写一个WebService程序时,用到了sun.misc.BASE64Encoder().encode(baos.toByteArray()); 但遇到了一个错误:
Access restriction: The type BASE64Encoder is not accessible due to restrict on required library java/lib/rt.jar。
导入了这个jar可是还是不行,于是查了一下,解决方法是在project的build path里先删除JRE System Library,然后再添加一遍,就好了。
我也不知道为什么这么做,求大神解释~~
Android piles of RuntimePermissions requests, code improving
Android piles of RuntimePermissions requests, code improving
for example:
AndroidManifest.xml:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.CAMERA" />
java:
import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
public class MainActivity extends AppCompatActivity {
private final String TAG = "权限";
//请求码。
private final int REQUEST_CODE = 0xa01;
//批量权限组。
private String[] permissions = {Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
for (int i = 0; i < permissions.length; i++) {
if (ContextCompat.checkSelfPermission(this, permissions[i]) != PackageManager.PERMISSION_GRANTED) {
Log.d(TAG, permissions[i] + "未获得授权,请求权限...");
ActivityCompat.requestPermissions(this, permissions, REQUEST_CODE);
} else {
Log.d(TAG, permissions[i] + "已获得授权,无需重复请求权限。");
}
}
} else {
Log.d(TAG, "Android版本低于23,无需运行时请求权限。");
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE:
if (grantResults != null && permissions != null) {
for (int i = 0; i < grantResults.length; i++) {
/**
* PackageManager.PERMISSION_GRANTED:该值为常量值0,表示权限已经授予。
*/
if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {
Log.d(TAG, permissions[i] + " 获得授权。");
//在这里开始启动获得授权后的业务逻辑代码。
}
/**
* PackageManager.PERMISSION_DENIED:该值为常量值-1,表示权限未被授予。
*/
if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
Log.d(TAG, permissions[i] + " 未获得授权。");
//在这里开始启动未获得授权后的业务逻辑代码。
}
}
}
break;
}
}
}
Apache Shiro 使用 RequiresPermissions with Spring...
Via:http://zhidao.baidu.com/question/397868108.html
http://yingzhuo.iteye.com/blog/1709002
根据官方文档在启用Shiro 注解(例如,@RequiresRoles,@RequiresPermissions 等等)时,
需要Shiro 的Spring AOP 集成来扫描合适的注解类以及执行必要的安全逻辑。
只需添加这两个bean 定义到applicationContext-shiro.xml 中:
<beandepends-on="lifecycleBeanPostProcessor"/>
<bean>
<property name="securityManager" ref="securityManager"/>
</bean>
但是,在使用Spring MVC 的情况下,会遇到:
Exception: org.hibernate.HibernateException: No Session found for current thread
解决方法:
将以上代码移至Spring MVC 的servlet 配置文件,如:applicationContext-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
<!-- Scans the classpath of this application for @Components to deploy as beans -->
<!-- 只应加装表现层Bean,否则可能引起问题 -->
<!-- 此处只应该加载表现层组件,如果此处还加载dao层或service层的bean会将之前容器加载的替换掉,而且此处不会进行AOP织入,所以会造成AOP失效问题(如事务不起作用) -->
<context:component-scan base-package="com.binaryoptions.controller">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 其他spring-mvc框架配置 -->
<bean id="viewResolver"
p:view p:prefix="/views/"
p:suffix=".jsp" />
<!-- more bean definitions go here -->
<!-- 为安全检查使用Shiro 的注解(例如,@RequiresRoles,@RequiresPermissions 等等)。 -->
<!--
以下两个bean的配置是为了在Controller层使用元注释控制权限
如果使用spring-mvc一定要不要放在webroot的配置文件中
-->
<beandepends-on="lifecycleBeanPostProcessor"/>
<bean>
<property name="securityManager" ref="securityManager"/>
</bean>
<bean>
<property name="exceptionMappings">
<props>
<prop key="org.apache.shiro.authz.UnauthorizedException">/403</prop>
</props>
</property>
</bean>
</beans>
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