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MySQL: Set user variable from result of query
...-+
| 123456 | 5 |
| 111111 | 5 |
+--------+-------+
2 rows in set (0.00 sec)
Note that for SET, either = or := can be used as the assignment operator. However inside other statements, the assignment operator must be := and not = because = is treated as a comparison operator in non-SET stat...
Setting a timeout for socket operations
...et = new Socket();
socket.connect(new InetSocketAddress(ipAddress, port), 1000);
Quoting from the documentation
connect
public void connect(SocketAddress endpoint, int timeout) throws IOException
Connects this socket to the server with a specified timeout value. A timeout of zero is i...
Purging file from Git repo failed, unable to create new backup
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edited Apr 4 '14 at 0:53
user456814
answered Jun 19 '11 at 18:37
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Is there a reason that we cannot iterate on “reverse Range” in ruby?
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100
A range is just that: something defined by its start and end, not by its contents. "Iterating" ...
GROUP_CONCAT ORDER BY
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edited Feb 16 '16 at 9:20
answered Dec 25 '11 at 19:51
al...
How to write multiple line property value using PropertiesConfiguration?
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edited Jan 23 '12 at 21:50
answered Jan 23 '12 at 21:03
Jo...
How to move columns in a MySQL table?
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If empName is a VARCHAR(50) column:
ALTER TABLE Employees MODIFY COLUMN empName VARCHAR(50) AFTER department;
EDIT
Per the comments, you can also do this:
ALTER TABLE Employees CHANGE COLUMN empName empName VARCHAR(50) AFTER department;
Note t...
Correct way to delete cookies server-side
...an expires field as well:
Set-Cookie: token=deleted; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT
Note that you cannot force all browsers to delete a cookie. The client can configure the browser in such a way that the cookie persists, even if it's expired. Setting the value as described above wo...
Show filename and line number in grep output
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edited Dec 17 '15 at 19:06
Drew Gaynor
7,44355 gold badges3636 silver badges4848 bronze badges
answere...
Default value for field in Django model
...e/ref/models/fields/#editable
b = models.CharField(max_length=7, default='0000000', editable=False)
Also, your id field is unnecessary. Django will add it automatically.
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