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Creating functions in a loop
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edited Mar 10 '19 at 19:30
Aran-Fey
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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...
Is XML case-sensitive?
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answered Sep 14 '11 at 10:27
Jon EgertonJon Egerton
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How do I wrap link_to around some html ruby code?
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edited Apr 20 '15 at 9:43
Arslan Ali
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MySQL: Set user variable from result of query
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| 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...
Difference between a Factory, Provider and a Service?
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edited Dec 4 '09 at 21:16
answered Dec 4 '09 at 21:06
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How do I test if a variable is a number in Bash?
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One approach is to use a regular expression, like so:
re='^[0-9]+$'
if ! [[ $yournumber =~ $re ]] ; then
echo "error: Not a number" >&2; exit 1
fi
If the value is not necessarily an integer, consider amending the regex appropriately; for instance:
^[0-9]+([.][0-9]+)?$
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Java 8 stream reverse order
...ect[] temp = input.toArray();
return (Stream<T>) IntStream.range(0, temp.length)
.mapToObj(i -> temp[temp.length - i - 1]);
}
Another technique uses collectors to accumulate the items into a reversed list. This does lots of insertions at the front of Ar...
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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