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MySQL: Sort GROUP_CONCAT values
....html#function_group-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
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Can a for loop increment/decrement by more than one?
...
A for loop:
for(INIT; TEST; ADVANCE) {
BODY
}
Means the following:
INIT;
while (true) {
if (!TEST)
break;
BODY;
ADVANCE;
}
You can write almost any expression for INIT, TEST, ADVANCE, and BODY.
Do note that the ++ ope...
Print all but the first three columns
...release, GNU Awk 3.1.5) but found here another way: echo ' This is a test' | awk '{print substr($0, index($0,$3))}'
– elysch
Dec 18 '14 at 18:45
1
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Returning a boolean from a Bash function
...[[ -n $1 ]] ; then
return 0
else
return 1
fi
}
#Test
if is_directory $1 ; then
echo "Directory exist"
else
echo "Directory does not exist!"
fi
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Set angular scope variable in markup
...
+1 for @SeantheBean - I have tested this. There seems to be issues with child controllers and the scope of assigning the variable in the markup. The directive works for my purposes and appears to be a solid solution.
– Paul Carlto...
What is the maximum possible length of a query string?
... after 64k characters, but can serve more than 100k characters. No further testing was done beyond that.
Firefox (Browser)
After 65,536 characters, the location bar no longer displays the URL in Windows Firefox 1.5.x. However, longer URLs will work. No further testing was done after 100,000 charact...
Displaying better error message than “No JSON object could be decoded”
... @jxramos: The OP used Python 2.7, as evident from the traceback. A quick test on ideone.com (Python 3.7.3) shows that the stdlib json library has been updated and gives the new error message format. I don’t have time to track exact releases right now however.
– Martijn Piet...
How can you debug a CORS request with cURL?
...gle API that supports CORS, but you can substitute in whatever url you are testing.
The response should include the Access-Control-Allow-Origin header.
Sending a preflight request using cUrl:
curl -H "Origin: http://example.com" \
-H "Access-Control-Request-Method: POST" \
-H "Access-Control-...
Safari 3rd party cookie iframe trick no longer working?
...ed request feel free to try the following code:
Note: This is still being tested properly and may be less stable than the first version.
Use at your own risk / Feedback is appreciated.
(Thanks to CBroe for pointing me into the right direction here allowing to improve the solution)
// Start Sessio...
How to retrieve form values from HTTPPOST, dictionary or?
...
The answers are very good but there is another way in the latest release of MVC and .NET that I really like to use, instead of the "old school" FormCollection and Request keys.
Consider a HTML snippet contained within a form tag that either does an AJAX or FORM POST.
<input ty...