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How to check Oracle database for long running queries
...ress = s.address (+)
and to_date(c.start_time,'mm/dd/yy hh24:mi:ss') <= sysdate - (15/1440) -- running for 15 minutes
order by c.start_time
/
Step 2: desc v$session
Step 3:select sid, serial#,SQL_ADDRESS, status,PREV_SQL_ADDR from v$session where sid='xxxx' //(enter the sid value)
Step 4: s...
How do I get a Cron like scheduler in Python? [closed]
...ry().day.at("10:30").do(job)
while 1:
schedule.run_pending()
time.sleep(1)
Disclosure: I'm the author of that library.
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How do you calculate program run time in python? [duplicate]
...t, you can run it under time on a unix-like system.
kotai:~ chmullig$ cat sleep.py
import time
print "presleep"
time.sleep(10)
print "post sleep"
kotai:~ chmullig$ python sleep.py
presleep
post sleep
kotai:~ chmullig$ time python sleep.py
presleep
post sleep
real 0m10.035s
user 0m0.017s
...
Inner join vs Where
...o reserve the WHERE clause for limiting the dataset (e.g. WHERE DATE > (SYSDATE - 1)) instead of also defining how the tables relate to each other (e.g. WHERE T1.ID = T2.ID). For a small table like the example in question makes little difference, but for large queries involving several tables and...
Sleeping in a batch file
...'t mind installing it (it has other uses too :), just create the following sleep.py script and add it somewhere in your PATH:
import time, sys
time.sleep(float(sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sl...
What are the uses for Cross Join?
...table, (perhaps he forgot his watch and wanted to read the time via SELECT SYSDATE FROM...) He realized that he still had his DUAL table lying around, and used that. After a while, he tired of seeing the time printed twice, so he eventual deleted one of the rows.
Others at Oracle started using his...
How do I time a method's execution in Java?
...and Duration from Java 8's new API,
Instant start = Instant.now();
Thread.sleep(5000);
Instant end = Instant.now();
System.out.println(Duration.between(start, end));
outputs,
PT5S
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Waiting until two async blocks are executed before starting another block
...E_PRIORITY_HIGH, 0), ^ {
// block1
NSLog(@"Block1");
[NSThread sleepForTimeInterval:5.0];
NSLog(@"Block1 End");
});
dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^ {
// block2
NSLog(@"Block2");
[NSThread sleepForTimeInterval:8.0]...
How to process SIGTERM signal gracefully?
...main__':
killer = GracefulKiller()
while not killer.kill_now:
time.sleep(1)
print("doing something in a loop ...")
print("End of the program. I was killed gracefully :)")
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imp...
How to generate keyboard events in Python?
... Alt
PressKey(VK_TAB) # Tab
ReleaseKey(VK_TAB) # Tab~
time.sleep(2)
ReleaseKey(VK_MENU) # Alt~
if __name__ == "__main__":
AltTab()
hexKeyCode is the virtual keyboard mapping as defined by the Windows API. The list of codes is available on MSDN: Virtual-Key Codes (Windows)
...