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How to override to_json in Rails?
... rendering:
In ActiveSupport 2.3.3, as_json was added to address issues like the one you have encountered. The creation of the json should be separate from the rendering of the json.
Now, anytime to_json is called on an object, as_json is invoked to create the data structure, and then that hash is...
Difference between attr_accessor and attr_accessible
...and setter methods for that variable, so that we can access the variable like Object.variable or Object.variable = some_value .
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append new row to old csv file python
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davidism
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answered Mar 2 '10 at 14:25
brettkellybrett...
Python: split a list based on a condition?
... this?
That code is perfectly readable, and extremely clear!
# files looks like: [ ('file1.jpg', 33L, '.jpg'), ('file2.avi', 999L, '.avi'), ... ]
IMAGE_TYPES = ('.jpg','.jpeg','.gif','.bmp','.png')
images = [f for f in files if f[2].lower() in IMAGE_TYPES]
anims = [f for f in files if f[2].lower...
How do I create a Linked List Data Structure in Java? [closed]
What's the best way to make a linked list in Java?
6 Answers
6
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PHP: If internet explorer 6, 7, 8 , or 9
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This is what I ended up using a variation of, which checks for IE8 and below:
if (preg_match('/MSIE\s(?P<v>\d+)/i', @$_SERVER['HTTP_USER_AGENT'], $B) && $B['v'] <= 8) {
// Browsers IE 8 and below
} else {
// All other browsers
}
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java.net.UnknownHostException: Invalid hostname for server: local
What are the steps I should take to solve the error:
13 Answers
13
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Enums and Constants. Which to use when?
...ng on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums?
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How to get the nvidia driver version from the command line?
For debugging CUDA code and checking compatibilities I need to find out what nvidia driver version for the GPU I have installed. I found How to get the cuda version? but that does not help me here.
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What are the benefits of dependency injection containers?
I understand benefits of dependency injection itself. Let's take Spring for instance. I also understand benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as:
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