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How to get the original value of an attribute in Rails
...ails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name va...
How to use jQuery in chrome extension?
...
The above comment looks like a mess but while adding comments preview is not shown. Please forgive me for that.
– Ishan
Jan 24 '14 at 6:54
...
Android: textColor of disabled button in selector not showing?
..." encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<!-- disabled state -->
<item android:state_enabled="false" android:color="#9D9FA2" />
<item android:color="#000"/>
</selector>
In your style.xml, put a reference to th...
VIM + JSLint?
... did:
Download http://jslint.webvm.net/mylintrun.js and http://www.jslint.com/fulljslint.js
and put them in a directory of your choice.
Then add the following line to the beginning of mylintrun.js:
var filename= arguments[0];
and change last line of code in mylintrun.js ("print( ...)") to:
p...
Vertical (rotated) label in Android
...eight());
canvas.rotate(-90);
}
canvas.translate(getCompoundPaddingLeft(), getExtendedPaddingTop());
getLayout().draw(canvas);
canvas.restore();
}
}
EDIT
Kotlin version:
import android.content.Context
import android.graphics.Canvas
import android.text.BoringL...
What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
...
As an addition to Davidann's answer and mainly OP's question in the comment:
In the context of the code above, does it actually DO anything except leave a note for other developers? Does it enforce anything? Are there any tools that utilizes this annotation? What's it's purpose in Android...
How do I monitor the computer's CPU, memory, and disk usage in Java?
...
Along the lines of what I mentioned in this post. I recommend you use the SIGAR API. I use the SIGAR API in one of my own applications and it is great. You'll find it is stable, well supported, and full of useful examples. It is open-source with a GPL 2 Apache 2.0 license. C...
How to make an ImageView with rounded corners?
...owing code to manually round the corners of your images.
http://www.ruibm.com/?p=184
This isn't my code, but I've used it and it's works wonderfully. I used it as a helper within an ImageHelper class and extended it just a bit to pass in the amount of feathering I need for a given image.
Final co...
How can I keep Bootstrap popovers alive while being hovered?
...ap-css@*" data-semver="3.2.0" rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" />
<script data-require="jquery@*" data-semver="2.1.1" src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script data-require="bootstr...
Invalid URI: The format of the URI could not be determined
...r Uri.
If you have the server name
string server = "http://www.myserver.com";
and have a relative Uri path to append to it, e.g.
string relativePath = "sites/files/images/picture.png"
When creating a Uri from these two I get the "format could not be determined" exception unless I use the con...