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Get query from java.sql.PreparedStatement [duplicate]
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This is nowhere definied in the JDBC API contract, but if you're lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
To my ...
Is having an 'OR' in an INNER JOIN condition a bad idea?
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This kind of JOIN is not optimizable to a HASH JOIN or a MERGE JOIN.
It can be expressed as a concatenation of two resultsets:
SELECT *
FROM maintable m
JOIN othertable o
ON o.parentId = m.id
UNION
SELECT *
FROM ...
write a shell script to ssh to a remote machine and execute commands
...t of commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with ssh, for example:
#!/bin/bash
USERNAME=someUser
HOSTS="host1 host2 host3"
SCRIPT="pwd; ls"
for HOSTNAME in ${HOSTS} ; do
ssh -l ${USERNAME} ${HOSTNAME} "${SCRIPT}"...
PHP Sort a multidimensional array by element containing date
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Use usort() and a custom comparison function:
function date_compare($a, $b)
{
$t1 = strtotime($a['datetime']);
$t2 = strtotime($b['datetime']);
return $t1 - $t2;
}
usort($array, 'date_compare');
EDIT: Your data is organized in an array...
Any decent text diff/merge engine for .NET? [closed]
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edited May 23 '17 at 11:47
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111 silver...
How do I catch an Ajax query post error?
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Since jQuery 1.5 you can use the deferred objects mechanism:
$.post('some.php', {name: 'John'})
.done(function(msg){ })
.fail(function(xhr, status, error) {
// error handling
});
Another way is using .ajax:
$.ajax({
type: "POST",
url: "some.php",
dat...
Format a date using the new date time API
I was playing with the new date time API but when running this:
3 Answers
3
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How do I specify the Linq OrderBy argument dynamically?
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edited May 4 '15 at 2:14
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Printing the last column of a line in a file
I have a file that is constantly being written to/updated. I want to find the last line containing a particular word, then print the last column of that line.
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Create and append dynamically
... <div> dynamically, with an appended <div> inside. I have this so far which works:
9 Answers
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