Last timeArticleWe have discussed how to design an ASP. NET web service to process persistent connection requests. Many people have asked this question. How can I hold the request and keep it open for 30 seconds? This is actually very simple. Just
Wait for the event source to start
The concept of wait events is introduced from ORACLE 7.0.12, with roughly 100 wait events. In ORACLE 8.0, this number has increased to approximately 150, with approximately 220 events in ORACLE 8I and about 400
Oracle's wait events are an important basis for measuring Oracle health and metrics. The concept of wait events was introduced in Oracle7.0.1.2, with roughly 100 waiting events. This number is increased to approximately 150 in Oracle 8.0, with
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Read lock request
Request write lock
Reading and Writing locks Alternate
If the server does not use up memory, CPU, or threads, the request still takes a long time to complete, it may be that the server waits
Strategy in the waste of the way forward
--Talk about Microsoft. NET strategy
Eric Liu (Liu Ruhong) 2004, sixth issue of the programmers magazine
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Four years is a bucket for history, but for a commercial company, it's enough to
Oracle wait events are an important basis and indicator for measuring the operating status of oracle. The concept of wait events is introduced in oracle7.0.1.2, with approximately 100 wait events. In Oracle 8.0, this number was increased to
Generally, when you submit an SQL statement, there will always be one or more waiting events. That is to say, the process has to wait because the required resources are occupied. Oracle provides us with an available view of these wait events. Based
ASP. NET makes a simple wait window, asp.net wait window
When a project was created for a while, it took a long time to process the report. The customer proposed to make a wait window prompting the user to wait (the page was not reflected for too
Original: Announcing. NET Core 2.1We are happy to be able to publish. NET Core 2.1. This update includes improvements to performance, improvements to runtimes and tools. It also includes a new way to deploy tools in the form of NuGet packages. We
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