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How to use count and group by at the same select statement
... by statement.
Is there a way for this directly from sql?
For example, having a table with users I want to select the different towns and the total number of users
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PostgreSQL Connection URL
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If you use Libpq binding for respective language, according to its documentation URI is formed as follows:
postgresql://[user[:password]@][netloc][:port][/dbname][?param1=value1&...]
Here are examples from same document
postgresql://
p...
How do you represent a JSON array of strings?
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I'll elaborate a bit more on ChrisR awesome answer and bring images from his awesome reference.
A valid JSON always starts with either curly braces { or square brackets [, nothing else.
{ will start an object:
{ "key": value, "another key": value }
Hint: although javascript acce...
Callback of .animate() gets called twice jquery
Since I added some scrollTop -animation, some parts of my callback get called twice:
2 Answers
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Use a normal link to submit a form
I want to submit a form. But I am not going the basic way of using a input button with submit type but a a link.
7 Answe...
How to get all groups that a user is a member of?
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Get-ADPrincipalGroupMembership will do this.
Get-ADPrincipalGroupMembership username | select name
name
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Domain Users
Domain Computers
Workstation Admins
Company Users
Company Developers
AutomatedProcessingTeam
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Strip whitespace from jsp output
...s there a switch I can flip on my web.xml? Is there a Tomcat specific setting?
9 Answers
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What is the session's “secret” option?
I don't know anything about cryptography. I'm wondering what the session secret is.
3 Answers
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Is there an “exists” function for jQuery?
How can I check the existence of an element in jQuery?
43 Answers
43
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How to pass event as argument to an inline event handler in JavaScript?
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to pass the event object:
<p id="p" onclick="doSomething(event)">
to get the clicked child element (should be used with event parameter:
function doSomething(e) {
e = e || window.event;
var target = e.target || e.srcElement;
console.log(target);
}
to pass th...
