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如何查看Oracle用户的SQL执行历史记录？ - 数据库(内核) - 清泛网 - 专注C/...
...p_chenming/...
SQL> select * from test2;
SQL> insert into test2 values(7,77);
SQL> commit;
conn / as sysdba
--切归档
SQL> alter system switch logfile;
SQL> select name,dest_id,thread#,sequence# from v$archived_log; --最后一个即为新的归档
--新建LOG MINER
SQL> execute dbm...
Brew doctor says: “Warning: /usr/local/include isn't writable.”
...
Ana IsabelAna Isabel
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add a comm...
Ternary operator is twice as slow as an if-else block?
... (int i in array)
00000075 33 F6 xor esi,esi
00000077 83 7F 04 00 cmp dword ptr [edi+4],0
0000007b 7E 2D jle 000000AA
0000007d 8B 44 B7 08 mov eax,dword ptr [edi+esi*4+8]
60: {
61: ...
Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
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pepepepe
51533 silver badges77 bronze bad
Delete the first three rows of a dataframe in pandas
....random.random((5,2)))
In [18]: df
Out[18]:
0 1
0 0.294077 0.229471
1 0.949007 0.790340
2 0.039961 0.720277
3 0.401468 0.803777
4 0.539951 0.763267
In [19]: df[3:]
Out[19]:
0 1
3 0.401468 0.803777
4 0.539951 0.763267
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How to set up a cron job to run an executable every hour?
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Marek SkibaMarek Skiba
1,67711 gold badge1919 silver badges2525 bronze badges
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Remove useless zero digits from decimals in PHP
... DiverseAndRemote.comDiverseAndRemote.com
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Set selected option of select box
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Mohd BashirMohd Bashir
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2
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Generate 'n' unique random numbers within a range [duplicate]
...
>>> import random
>>> random.sample(range(1, 100), 3)
[77, 52, 45]
random.sample takes a population and a sample size k and returns k random members of the population.
If you have to control for the case where k is larger than len(population), you need to be prepared to catch ...
Flags to enable thorough and verbose g++ warnings
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HostileFork says dont trust SE
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answered Mar 25 '12 at 18:28
David StoneDavid St...