mysql怎么设定explicit_defaults_for_timestamp=1
执行一下SQL语句时显示
SET GLOBAL explicit_defaults_for_timestamp = 1;
>> ERROR 1227 (42000): Access denied; you need (at least one of) the SUPER privilege(s) for this operation
我有一个康柏cq5115uk双引导Windows和Ubuntu14.04和惠普激光喷墨1020打印机。在Windows下,只有当我禁用Windows设备管理器中的USB2.0设备时,打印机才能工作,只剩下USB1.1设备。在Ubuntu下,打印机不能工作。我猜问题和Windows是一样的,所以我想知道如何在Ubuntu下禁用USB2.0。谢谢
mike@mike-VC913AA-ABU-CQ5115UK:lsusb
Bus 002 Device 002: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 002 Device 001:
我正试图在(Ubuntu18.04(仿生海狸))上安装dlib,但它正在抛出一个错误。
CMake错误:
The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
CUDA_cublas_LIBRARY (ADVANCED)
linked by target "dlib" in directory /content
在windows10上第一次使用azure CLI时,我在命令行中输入:az login,这将把我带到浏览器来选择用户帐户。选择我的名字会将我带到屏幕上,显示“您已登录到Microsoft Azure!”然而,大约30秒后,我的命令行显示出来:
Please ensure you have network connection. Error detail: HTTPSConnectionPool(host='login.microsoftonline.com', port=443): Max retries exceeded with url: /common/oauth2/t
以下代码将允许特定产品的免费送货:
function wcs_my_free_shipping( $is_available ) {
global $woocommerce;
// set the product ids that are eligible
$eligible = array( '360' );
// get cart contents
$cart_items = $woocommerce->cart->get_cart();
// loop through the items looki
我在cmake中编写了一个实用工具宏,用于设置依赖于平台的变量。理论上应该很简单,但我不知道为什么我的变量没有被设定。以下是宏:
macro(SetCrossPlatform name msvc_val linux_val macos_val)
#macro(SetCrossPlatform VAR name MSVC msvc_val LINUX linux_val MACOS macos_val) # alternative signature that I tried
MESSAGE(STATUS "PLATFORM ${PLATFORM}")
if (