wait_event_type|wait_event |state |query |datid |datname |pid |leader_pid|usesysid|usename|application_name |client_addr |client_hostname|client_port|backend_start |xact_start |query_start |state_change |wait_event_type|wait_event |state |backend_xid|backend_xmin|query |backend_type | ...
/* Use MAXALIGN size/alignment to guarantee that later uses of memory are aligned correctly. E.g. epoll_event might need 8 byte alignment on some platforms, but earlier allocations like WaitEventSet and WaitEvent might not sized to guarantee that when purely using sizeof(). */ sz+=MAXALIGN...
开发出了适用于关系推理的人工神经网络，从而让机器具备推理、理解不同物体之间错综复杂关系的能力。
问wait_event "MessageQueueSend“上的Postgres查询ENMOP 不用多说，指的就是 MySQL、Oracle、PostgreSQL ...
id1, id2, lmode, request, typeFROMV$LOCKWHERE(id1, id2, type)IN(SELECTid1, id2, typeFROMV$LOCKWHERErequest>0)ORDERBYid1, request ; Systemwide Waits: Thecountandaverage wait timesforthis wait-event can be misleadingas"enqueue" waits re-arm every few seconds (see "Wait Time" above)...
add text to input type = text in ASP.net / C# Add X-Frame-Option to website in IIS and web.config file Adding a picture to a web form Adding a user to aspnet_Users table Adding an event handler when the page completely loads. Adding an image to text on a LinkButton Adding attribu...
Exchanging notes over twitter (140 char at a time) and working from a model of the initial state, it took a little time to get to understand what was (probably) happening and then produce this silly example – but here’s the output from a snapshot ofv$session_eventfor the session acro...
We would need direct access to the socket(s), so that they can be added to the event loop, and we need to read and decode data from the server in a streaming fashion, rather than contiguous. I.e. where you have something like: ...
After digging in a little deeper it turns out the problem is with a callback that libpq (Postgres C client drivers) is registering with openssl. The hints were here (from gdb): (gdb) bt #0 0x00007f11f1d6d89c in __lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0 #1...
add text to input type = text in ASP.net / C# Add X-Frame-Option to website in IIS and web.config file Adding a picture to a web form Adding a user to aspnet_Users table Adding an event handler when the page completely loads. Adding an image to text on a LinkButton Adding attribu...