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looping through an NSMutableDictionary
How do I loop through all objects in a NSMutableDictionary regardless of the keys?
6 Answers
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How do you clone a BufferedImage
...which has many bufferedimages in it, I want to create a new object copying all the bufferedimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images.
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'str' object does not support item assignment in Python
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@aix: That was literally within a few seconds of each other. :D
– Joel Cornett
May 17 '12 at 7:31
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How to dynamically build a JSON object with Python?
I am new to Python and I am playing with JSON data. I would like to dynamically build a JSON object by adding some key-value to an existing JSON object.
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Python using enumerate inside list comprehension
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Just to be really clear, this has nothing to do with enumerate and everything to do with list comprehension syntax.
This list comprehension returns a list of tuples:
[(i,j) for i in range(3) for j in 'abc']
this a list of dicts:
[{i:...
For each row in an R dataframe
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How do you actually implement (row)? Is it dataframe$column? dataframe[somevariableNamehere]? How do you actually say its a row. The pseudocode "function(row) dostuff" how would that actually look?
– uh_big_mike_boi...
Replace a value if null or undefined in JavaScript
... boolean value but the first value that can be converted to true.
Additionally use an array of objects instead of one single object:
var options = {
filters: [
{
name: 'firstName',
value: 'abc'
}
]
};
var filter = options.filters[0] || ''; // is {n...
Disabled UIButton not faded or grey
...or it. There are two options for you:
First way: If you want to apply for all your buttons in your app, so you can write extension for UIButton like this:
extension UIButton {
open override var isEnabled: Bool{
didSet {
alpha = isEnabled ? 1.0 : 0.5
}
}
}
Se...
How to add a second css class with a conditional value in razor MVC 4
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Personally I prefer the trivial logic, having a getDetailCssClass method means that your Model is aware of your View, breaking down that abstraction. I would add an HasDetails method to the Model to reduce the logic required in the...
how to view the contents of a .pem certificate
...xt
This should work for any x509 .pem file provided you have openssl installed.
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