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Check for array not empty: any?
...lues to true or if its empty.
The method empty? comes from the Array class
http://ruby-doc.org/core-2.0.0/Array.html#method-i-empty-3F
It's used to check if the array contains something or not. This includes things that evaluate to false, such as nil and false.
>> a = []
=> []
>> a.em...
Detect if a jQuery UI dialog box is open
...eck if a jQuery dialog is open or not.
You can see example at this link:
http://www.codegateway.com/2012/02/detect-if-jquery-dialog-box-is-open.html
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Ignoring a class property in Entity Framework 4.1 Code First
...t;().Ignore(t => t.LastName);
base.OnModelCreating(modelBuilder);
}
http://msdn.microsoft.com/en-us/library/hh295847(v=vs.103).aspx
The version I checked is EF 4.3, which is the latest stable version available when you use NuGet.
Edit : SEP 2017
Asp.NET Core(2.0)
Data annotation
If you are ...
What are Flask Blueprints, exactly?
...inted out in a comment by @Devasish, this article provides a good answer:
http://exploreflask.com/en/latest/blueprints.html
Quoting from the article:
An example of this would be Facebook. If Facebook used Flask, it might
have blueprints for the static pages (i.e. signed-out home, register,
...
Hidden features of Android development?
...e's no documentation for them. This is the best information I could find:
http://escomic.net/217
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answered Mar 24 '10 at 17:12
...
Nested rows with bootstrap grid system?
...p Version 3.x
As always, read Bootstrap's great documentation:
3.x Docs: https://getbootstrap.com/docs/3.3/css/#grid-nesting
Make sure the parent level row is inside of a .container element. Whenever you'd like to nest rows, just open up a new .row inside of your column.
Here's a simple layout ...
How to detect UI thread on Android?
...
Couldn't you use the runOnUiThread method in the Activity class?See..
http://developer.android.com/reference/android/app/Activity.html#runOnUiThread%28java.lang.Runnable%29
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Make Div overlay ENTIRE page (not just viewport)?
... scroll, giving the impression that the entire body is darkened.
Example: http://jsbin.com/okabo3/edit
div.fadeMe {
opacity: 0.5;
background: #000;
width: 100%;
height: 100%;
z-index: 10;
top: 0;
left: 0;
position: fixed;
}
<body>
<...
Why can't the tag contain a tag inside it?
...look for allowed containment relations is the HTML spec. See, for example, http://www.w3.org/TR/html4/sgml/dtd.html. It specifies which elements are block elements and which are inline. For those lists, search for the section marked "HTML content models".
For the P element, it specifies the followi...
Reconnection of Client when server reboots in WebSocket
...HP5 and the Chrome browser as client.
I have taken the code from the site http://code.google.com/p/phpwebsocket/ .
9 Answe...