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SQL DROP TABLE foreign key constraint
...o delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first?
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Rails 3: Get Random Record
So, I've found several examples for finding a random record in Rails 2 -- the preferred method seems to be:
14 Answers
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How do I add a Fragment to an Activity with a programmatically created content view
... fragment into the Activity as an inner class, or creating a new java file for the fragment fixes that.
The second issue is that when you're adding a fragment this way, you must pass a reference to the fragment's containing view, and that view must have a custom id. Using the default id will crash ...
How do I change an HTML selected option using JavaScript?
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how does this work with multiple values? For example: document.getElementById('personlist').value=id1,id2 will not work, how to manage that?
– utdev
Mar 17 '17 at 11:30
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Beautiful Soup and extracting a div and its contents by ID
..... </div> tags and stuff in between? It returns nothing. And I know for a fact it exists because I'm staring right at it from
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How to get the device's IMEI/ESN programmatically in android?
...identify each devices uniquely I would like to use the IMEI (or ESN number for CDMA devices). How to access this programmatically?
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Converting JSON data to Java object
... looked at Google's Gson as a potential JSON plugin. Can anyone offer some form of guidance as to how I can generate Java from this JSON string?
Google Gson supports generics and nested beans. The [] in JSON represents an array and should map to a Java collection such as List or just a plain Java a...
What is “callback hell” and how and why does RX solve it?
...ion together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
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Right Align button in horizontal LinearLayout
...f you look at the attached image. I need my button to be right aligned but for some reason it's not working with 'gravity:right'...
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Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
...Script.
Why? see below.
Hyphens are valid to use in CSS and HTML but not for JavaScript Objects.
A lot of browsers register HTML Ids as global objects on the window/document object, in big projects, this can become a real pain.
For this reason, I use names with Hyphens this way the HTML ids will...