当父组件绑定了onTouch,其子组件Button绑定了onClick,如何做到点击Button只响应Button的onClick,而不用响应父组件的onTouch 点击文本输入框,如何屏蔽系统默认键盘弹起行为 如何阻止组件的鼠标事件冒泡到父组件 如何实现上下切换的页面间跳转动画 自定义组件间如何实现从底部滑入滑出的效果 子组件事件能否到传...
今天启动hadoop集群之后,打开hdfs管理界面来查看hdfs上的文件的时候,没有任何东西显示,并且报错:Operation category READ is not supported in state standby。 如下图所示: 通过查看namenode的状态,得知当前node113上的namenode是standby(从namenode)状态, 使用nn1对应的namenode来访问才... ...
Based on the received-based approach (https://spark.apache.org/docs/latest/streaming-kafka-integration.html)", "shortDescription": "Apache Kafka is publish-subscribe messaging rethought as a distributed commit log.", "element": { "name": "in-Kafka", "type": "Kafka", "configuration": { "...
These policies are supported only on Windows Server 2003-based computers and on Windows XP-based computers. To enable these policies, follow these steps on the root domain container: Select Start, select Run, type gpedit.msc, and then select OK. Under Local...
On CAUTION: You are about to enable SNMPv1 and SNMPv2c. But you are advised to use the secure SNMP protocol only. Do you wish to continue?(y/n)y Command successfully. Run the following command to change theread and write communities: change snmp community read_community=?write...
On Sparc ReadyNAS using EXT3 is a good way to go. Enable Fast USB Writes on the NAS and install drivers on the PC to be able to use EXT3.As far as I know there are no EXT3 drivers that are capable of read/write are supported on Windows 7 64-bit. I spent a lot of tim...
FTP server. Perform the following configuration on the FTP server. l Configure an FTP user, whose name is switchand password is hello. Authorize the user with theread-write right on the directory Switch on the PC. l Make configurationso that the IP address of a VLAN interface on ...
My read on this issue is that it mostly only impacts direct users of rules_oci -- image authors, by definition. End-users pulling images from registries will not be affected due to how image manifest lists are returned directly in HTTP responses when pulling images rather than being packed ...
Starting with Windows 8, CompletionContext uses the Flt_CompletionContext_Outptr annotation which defines valid context values based on the operation result. The following is a usage example for the callback with the annotation for CompletionContext. C++ Copy FLT_PREOP_CALLBACK_STATUS SwapPreReadBu...
In the Common Operations area on the Overview tab page, click Hardware Update to update the information of the chassis displayed on eSight after chassis parts are changed. Configuring Switch Connection Parameters This operation is supported only when the chassis management module is MM910. If the ...