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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: On the one hand, I have several factories where each factory controls a websocket. On the other hand, One of those factories should be started when client is logged, so: if(user.isLogged()){ $injector.get('NotificationsWebsocket') } That's the way I initialize my factory dinamically, the problem come up when the user logs out. I don't know how to delete an instance of angular instances factory or how to destroy the NotificationsWebsocket. I tried to close socket, but when I log in again, the socket doesn't connect because factory is not

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am writing a little app where the user creates an event and specifies the date that event will occur. After the event date has past, I want to delete that event instance. My current attempt is throwing a function that checks if the event should expire in the event page view. I am not sure whether the expiration_check function is checking in a correct way, nor am I sure whether just having a function in the view will event work. Here is my view and expire function: def event_page(request, name): event = Event.objects.get(name=name) check

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: so i'm getting this error and I cant find the source of it. I believe it has to do with me importing and creating my 3d objects in my scene but i'm not sure what i'm doing wrong. here is the code: I call this function before I call init function loadObjects() { loader = new THREE.JSONLoader(); var floorDiskmaterial = new THREE.MeshPhongMaterial({ map: THREE.ImageUtils.loadTexture('img/floor_test.jpg'), transparent: true, color: 0xeaeaea, ambient: 0xeaeaea, overdraw: 0.5, //specular: 0x6a3e6d, shading: THREE.FlatShading, fog: false, /

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have my db kept at /mnt, using ephemeral storage that comes with ec2 instance. To take the backup using ec2 api tools we need a volume id, but in the aws console I can find the volume id of only the 8gb root storage. What should I do if want the backup of ephemeral storage? Is there any alternative for backing up instance storage? 回答1: First and foremost, you should never store anything of lasting value on ephemeral storage in Amazon EC2 , except if you know exactly what you are doing and are prepared to always have point in time backups

经常遇到Android Studio在一些真机运行安卓项目时 弹出： Installation failed with message Invalid File: K:\project\app\build\intermediates\split-apk\with_ImageProcessor\debug\slices\slice_0.apk. It is possible that this issue is resolved by uninstalling an existing version of the apk if it is present, and then re-installing. WARNING: Uninstalling will remove the application data! Do you want to uninstall the existing application? 点击OK之后 左下方显示Session 'app': Error Installing APK 运行失败的问题 解决方法: 来自 https://stackoverflow.com/questions/42219784/installation-failed-with-message-invalid-file/43415152 步骤一：Click Build tab ---

　　前两天pg11刚出来，打算测试一下，想将测试库升级到pg11，之前测试库的版本是pg9.6，后面我将它升到了pg10，打算在pg10的版本基础上升级到pg11。 　　但执行时，多次报出： Performing Consistency Checks ----------------------------- Checking cluster versions ok Checking database user is the install user ok Checking database connection settings ok Checking for prepared transactions ok Checking for reg* data types in user tables ok Checking for contrib/isn with bigint- passing mismatch ok Checking for presence of required libraries ok Checking database user is the install user Only the install user can be defined in the new cluster. 所以就搜了一下代码，在src/bin/pg_upgrade/check

转载自：https://blog.csdn.net/tyro_java/article/details/79772442 发现问题 info There appears to be trouble with your network connection . Retrying ... info There appears to be trouble with your network connection . Retrying ... info There appears to be trouble with your network connection . Retrying ... info There appears to be trouble with your network connection . Retrying ... error An unexpected error occurred: "https://registry.npm.taobao.org/autoprefixer: tunneling socket could not be established, cause=connect ETIMEDOUT 10.129.49.21:8080" . 1 2 3 4 5 经过沉着冷静的思考后，分析关键词： tunneling socket could not

1. Ubuntu16.04 Installation 1.1 VMware Workstation Virtual Machine Creation for not easy installation If you are using VMware workstation , by default, system will do easy installation for you, which means all settings will be automatically entered by VMware Workstation. You wont need to provide too much or any information during installation process. We are not going to use this method in this post. We just choose the option “I will install the operating system later” to skip easy installation. YouTube Video: Easy Install vs Non Easy Install 1.2 Ubuntu 16.04.5 LTS Installation Steps Language