Tag：Monitor
-
Time：2021-4-20
1: Application startup process The icon of the application is clicked – start activitythread – main function of thread entry – create activitythread – bind activitythread thread.attach (false, startseq) – > create the life cycle of the instrument class, the life process of the management program mminstruction = new instrumentation (); – > create the […]
-
Time：2021-4-18
1: Application startup process The icon of the application is clicked – start activitythread – main function of thread entry – create activitythread – bind activitythread thread.attach (false, startseq) – > create the life cycle of the instrument class, the life process of the management program mminstruction = new instrumentation (); – > create the […]
-
Time：2021-4-7
Event and listener concepts Event: perform an action or process something, such as “delivery”. Listener: monitors the occurrence of an event to trigger a series of corresponding actions, such as sending a “delivered” notification message to the user after delivery, increasing the statistical data of delivery quantity, etc. Generally speaking, an event can correspond to […]
-
Time：2021-4-6
Event Subscriber stayLaravel’s event systemAn event can correspond to multiple listeners, but a listener only listens to one event. If you want to subscribe to multiple events in a class, for example, when order delivery, sign in and return events occur, you need to “send SMS”. How to deal with this? You can use event […]
-
Time：2021-4-2
Yesterday, the computer turned on normally. Today, when I turned it on again, I found that the main computer turned on normally, but the display was black and there was no response. The display was normal and the power supply was OK. What’s the problem? Now let’s talk about how to solve this problem? As […]
-
Time：2021-3-31
The following trigger is used to monitor changes to stored procedures. To create a monitoring table: CREATE TABLE AuditStoredProcedures( DatabaseName sysname , ObjectName sysname , LoginName sysname , ChangeDate datetime , EventType sysname , EventDataXml xml ); Create monitoring trigger: CREATE TRIGGER dbtAuditStoredProcedures ON DATABASE FOR CREATE_PROCEDURE, ALTER_PROCEDURE, DROP_PROCEDURE AS DECLARE @eventdata XML; SET […]
-
Time：2021-3-17
Maybe in the implementation principle of synchronized keyword, you already know that its underlying is implemented by using the relevant instructions of monitor, but you still don’t know the specific details of monitor. This article will give you a thorough understanding of the underlying implementation principles of monitor. Guancheng A pipe can be considered as […]
-
Time：2021-3-15
How to do itBuilding physical standby database by RMAN duplicateThis article will demonstrate how to use cloud control to build a physical standby database. 1 software environment Oracle Linux 6.9 Oracle 12.1.0.2 Oracle Enterprise Management Cloud Control 12.1.0.4 Main library: odd.oracle.com ，IP：192.168.1.105 Backup Library: even.oracle.com ，IP：192.168.1.106 2 using cloud control to create standby database 2.1 […]
-
Time：2021-3-8
1. Account preparation First of all, we need to have a iFLYTEK account to prepare for the application for appid, appkey and other things. By the way: iFLYTEK has different authentication types of users The number of times the SDK is used varies, as shown in the figure below. After the account application is […]
-
Time：2021-3-2
Some friends reflect that their win10 system in the actual application of the display can not be full screen display, there are black borders around the problem! Win10 display can not be full screen display, there are black borders around how to solve? Today, Xiaobian brings you the solution that win10 monitor can’t display in […]
-
Time：2021-2-27
Method 1: monitorfromwindow //Get the resolution of the display where the program is currently located, which can dynamically get the resolution of the display where the program is located SIZE GetScreenResolution(HWND hWnd) { SIZE size; if(!hWnd) return size; //MONITOR_ The default one arest return value is the screen handle closest to that point //MONITOR_ The […]
-
Time：2021-2-20
I believe that some new computers bought by partners will appear “desktop computer screen display is set to the darkest, but still very light, how to do?” Or “what if the desktop screen is set to the brightest but still very dark?” In fact, in addition to adjusting the brightness on the display, you can […]
