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Default function arguments in Rust
Is it possible in Rust to create a function with a default argument?
6 Answers
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Android: TextView automatically truncate and replace last 3 char of String
If a String is longer than the TextView 's width it automatically wraps onto the next line. I can avoid this by using android:singleLine (deprecated) or by setting android:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm...
Ruby on Rails form_for select field with class
...g my head against the wall on this one. I want to make a simple select tag using the f.select tag but nothing I do works. I put an example below:
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How to make a class conform to a protocol in Swift?
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Type 'CellDatasDataSource' does not conform to protocol 'NSObjectProtocol'
You have to make your class inherit from NSObject to conform to the NSObjectProtocol. Vanilla Swift classes do not. But many parts of UIKit expect NSObjects.
class Cust...
How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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Create module variables in Ruby
Is there any way to create a variable in a module in Ruby that would behave similar to a class variable? What I mean by this is that it would be able to be accessed without initializing an instance of the module, but it can be changed (unlike constants in modules).
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Set custom attribute using JavaScript
I am using The DynaTree (https://code.google.com/p/dynatree) but I am having some problems and hoping someone can help..
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Permanently adding a file path to sys.path in Python
I had a file called example_file.py , which I wanted to use from various other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
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Java: int array initializes with nonzero elements
According to the JLS, an int array should be filled by zeros just after initialization. However, I am faced with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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Specify width in *characters*
When using a fixed width font , I'd like to specify the width of an HTML element in characters .
2 Answers
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