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Return 0 if field is null in MySQL
In MySQL, is there a way to set the "total" fields to zero if they are NULL?
5 Answers
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SQL query for finding records where count > 1
...want to only include those that have a distinct ZIP you can get a distinct set first and then perform you HAVING/GROUP BY
SELECT
user_id,
account_no ,
date,
COUNT(*)
FROM
(SELECT DISTINCT
user_id,
account_no ,
zip,
date
...
How can I sort generic list DESC and ASC?
...ting. "-" operation wouldn't even compile for many types. And for compiled set of types you can have numeric overflow error as mentioned in comment before
– Vadim Levkovsky
Aug 11 '17 at 9:36
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How can I check if a key is pressed during the click event with jQuery?
...ast in decent browsers) the event object usually has also those properties set.
– kkyy
Mar 15 '10 at 7:43
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The thread has exited with code 0 (0x0) with no unhandled exception
...esactivate it here:
Tools > Options > Debugging > General Output Settings > Thread Exit Messages : Off
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How do you remove the root CA certificate that fiddler installs
...; Fiddler Options -> HTTPS. Then click the "Actions" button and then "Reset All Certificates"
It will popup a message that it could take a while but it's really quick. Approve all popups and there you go.
Pay attention not to re-approve the certificate again (when I did it the message for approvi...
curl -GET and -X GET
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-G converts a POST + body to a GET + query
You can ask curl to convert a set of -d options and instead of sending them in the request body with POST, put them at the end of the URL's query string and issue a GET, with the use of `-G. Like this:
curl -d name=daniel -d grumpy=yes -G https://example...
querySelector, wildcard element match?
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Set the tagName as an explicit attribute:
for(var i=0,els=document.querySelectorAll('*'); i<els.length;
els[i].setAttribute('tagName',els[i++].tagName) );
I needed this myself, for an XML Document, with Nested...
How to fix .pch file missing on build?
... Visual Studio it complains that the xxxxx.pch file is missing. Is there a setting I am missing to get the pre-compiled headers back?
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find -exec cmd {} + vs | xargs
Which one is more efficient over a very large set of files and should be used?
3 Answers
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