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SQL query for finding records where count > 1
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Use the HAVING clause and GROUP By the fields that make the row unique
The below will find
all users that have more than one payment per day with the same account number
SELECT
user_id ,
COUNT(*) count
FROM
PAYMENT
GROUP BY
account,
user_id ,...
How can I select an element by name with jQuery?
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You could get the array of elements by name the old fashioned way and pass that array to jQuery.
function toggleByName() {
var arrChkBox = document.getElementsByName("chName");
$(arrChkBox).toggle();
}
<script src="https://ajax.googleapis.com/aj...
Possible reason for NGINX 499 error codes
...before the server answered the request. In my experience is usually caused by client side timeout. As I know it's an Nginx specific error code.
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How do I compare two files using Eclipse? Is there any option provided by Eclipse?
...omparison increases greatly (in my opinion).
– loved.by.Jesus
Sep 23 at 8:52
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Why is there no Constant feature in Java?
... constants in Java
I have learned that Java allows us to declare constants by using final keyword.
8 Answers
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Setting Vim whitespace preferences by filetype
....vimrc:
autocmd FileType html setlocal ts=2 sts=2 sw=2
autocmd FileType ruby setlocal ts=2 sts=2 sw=2
autocmd FileType javascript setlocal ts=4 sts=4 sw=4
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What is the fastest integer division supporting division by zero no matter what the result is?
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Inspired by some of the comments I got rid of the branch on my Pentium and gcc compiler using
int f (int x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of t...
How to remove CocoaPods from a project?
...ject? I want to remove the whole CocoaPod. Due to some limitations imposed by my client I can't use it. I need to have just one xcodeproj instead of an xcworkspace.
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How to find my Subversion server version number?
...the web and on the bottom of the page it will say something like:
"Powered by Subversion version 1.5.2 (r32768)."
From the command line: <insert curl, grep oneliner here>
If not displayed, view source of the page
<svn version="1.6.13 (r1002816)" href="http://subversion.tigris.org/">
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What is the default access specifier in Java?
...and annotation types not declared inside another type) are package-private by default. (JLS §6.6.1)
In classes, all members (that means fields, methods, and nested type declarations) and constructors are package-private by default. (JLS §6.6.1)
When a class has no explicitly declared constructor...