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When to add what indexes in a table in Rails
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Should I add "index" to all the foreign keys like "xxx_id"?
It would be better, because it accelerates the search in sorting in this column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created automatically, for more information see h...
Django vs. Model View Controller [closed]
... to as an MTV framework because the controller is handled by the framework itself and most of the excitement happens in models, templates and views.
You can read more about MTV / MVC here:
The MTV (or MVC) Development Pattern
If you’re familiar with other MVC
Web-development frameworks, such as
R...
How can I scale an entire web page with CSS?
...om
Firefox is the only major browser that does not support Zoom (bugzilla item here) but you could use the "proprietary" -moz-transform property in Firefox 3.5.
So you could use:
div.zoomed {
zoom: 3;
-moz-transform: scale(3);
-moz-transform-origin: 0 0;
}
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How do I add a Fragment to an Activity with a programmatically created content view
I want to add a Fragment to an Activity that implements its layout programmatically. I looked over the Fragment documentation but there aren't many examples describing what I need. Here is the type of code I tried to write:
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ViewPager PagerAdapter not updating the View
I'm using the ViewPager from the compatibility library. I have succussfully got it displaying several views which I can page through.
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What is the difference between const and readonly in C#?
...pparent difference of
having to declare the value at the time of a definition for a const VS readonly values can be computed dynamically but need to be assigned before the constructor exits.. after that it is frozen.
'const's are implicitly static. You use a ClassName.ConstantName notation to acc...
Find out a Git branch creator
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A branch is nothing but a commit pointer. As such, it doesn't track metadata like "who created me." See for yourself. Try cat .git/refs/heads/<branch> in your repository.
That written, if you're really into tracking this information in your reposit...
Best way to disable button in Twitter's Bootstrap [duplicate]
I am confused when it comes to disabling a <button> , <input> or an <a> element with classes: .btn or .btn-primary , with JavaScript/jQuery.
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How can I replace text with CSS?
How can I replace text with CSS using a method like this:
21 Answers
21
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How to write to a file, using the logging Python module?
How can I use the logging module in Python to write to a file? Every time I try to use it, it just prints out the message.
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