大约有 42,000 项符合查询结果（耗时：0.0401秒） [XML]
Python set to list
..., 'symmetric_difference_update', 'union', 'update'] (removed __ because of char limit)
– user825286
Jul 26 '11 at 10:48
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Difference between 2 dates in SQLite
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SELECT julianday('now') - julianday(DateCreated) FROM Payment;
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follo...
How to auto-indent code in the Atom editor?
...auto-indent your code in the Atom editor? In other editors you can usually select some code and auto-indent it.
11 Answers...
Checking oracle sid and database name
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I presume SELECT user FROM dual; should give you the current user
and SELECT sys_context('userenv','instance_name') FROM dual; the name of the instance
I believe you can get SID as SELECT sys_context('USERENV', 'SID') FROM DUAL;
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How do you copy a record in a SQL table but swap out the unique id of the new row?
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Try this:
insert into MyTable(field1, field2, id_backup)
select field1, field2, uniqueId from MyTable where uniqueId = @Id;
Any fields not specified should receive their default value (which is usually NULL when not defined).
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Is there a JavaScript function that can pad a string to get to a determined length?
...ution will shorten strings that are longer than the slice argument (i.e. 5 chars here).
– Denis V
Dec 25 '13 at 20:12
1
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Base64 encoding and decoding in client-side Javascript
... base64 with the Date URI scheme. Surprise: this function urlencodes every character, so I get this malformed XML at target: %3C%3Fxml%20version%3D%271.0%27%20%3F%3E%3Csvg%20xmlns%3D%27http%...
– Dereckson
Feb 13 '13 at 19:50
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How do you use variables in a simple PostgreSQL script?
...c/sql-do.html )
DO $$
DECLARE v_List TEXT;
BEGIN
v_List := 'foobar' ;
SELECT *
FROM dbo.PubLists
WHERE Name = v_List;
-- ...
END $$;
Also you can get the last insert id:
DO $$
DECLARE lastid bigint;
BEGIN
INSERT INTO test (name) VALUES ('Test Name')
RETURNING id INTO lastid;
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Android - Set max length of logcat messages
...e { Log.v(TAG, sb); } to also print the log when the message is <= 4000 chars long
– Bojan Radivojevic Bomber
Apr 26 '14 at 21:45
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Multiple queries executed in java in single statement
...s wondering if it is possible to execute something like this using JDBC.
"SELECT FROM * TABLE;INSERT INTO TABLE;"
Yes it is possible. There are two ways, as far as I know. They are
By setting database connection property to allow multiple queries,
separated by a semi-colon by default.
By callin...