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Rails 3 migrations: Adding reference column?
...gration AddUserRefToProducts user:references
like you can see on rails guides
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How to replace a hash key with another key
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deep_transform_keys can be used for it :) apidock.com/rails/v4.2.1/Hash/deep_transform_keys
– gayavat
Nov 30 '15 at 6:28
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Can we pass parameters to a view in SQL?
..._emp (@pintEno INT)
RETURNS TABLE
AS
RETURN
SELECT * FROM emp WHERE emp_id=@pintEno;
This allows you to use it as a normal view, with:
SELECT * FROM v_emp(10)
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How do I use su to execute the rest of the bash script as that user?
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I did this - but it still asked me for a password.
– Hippyjim
Oct 19 '13 at 16:30
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Socket.io rooms difference between broadcast.to and sockets.in
.... Also, every socket is automatically connected to their own room with the id socket.id (this is how private chat works in socketio, they use rooms).
Send to the sender and noone else
socket.emit('hello', msg);
Send to everyone including the sender(if the sender is in the room) in the room "my r...
How to access parent Iframe from JavaScript
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Also you can set name and ID to equal values
<iframe id="frame1" name="frame1" src="any.html"></iframe>
so you will be able to use next code inside child page
parent.document.getElementById(window.name);
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How to get all child inputs of a div element (jQuery)
...lt;textarea>, <button> and <select> elements. Thanks Nick, didn't know this myself and corrected my post accordingly. Left both options, because I guess the OP wasn't aware of that either and -technically- asked for inputs... :-)
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Cannot set property 'innerHTML' of null
...ads the entire HTML DOM from top to bottom. Any JavaScript code written inside the script tags (present in head section of your HTML file) gets executed by the browser rendering engine even before your whole DOM (various HTML element tags present within body tag) is loaded. The scripts present in h...
How to set default value to the input[type=“date”] [duplicate]
I have tried ( JSFiddle ):
14 Answers
14
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Constructors in JavaScript objects
...lor;
}
Box.prototype.getColor = function()
{
return this.color;
};
Hiding "color" (somewhat resembles a private member variable):
function Box(col)
{
var color = col;
this.getColor = function()
{
return color;
};
}
Usage:
var blueBox = new Box("blue");
alert(blueBox.ge...