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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
...
You can also add prompt option like this.
<%= f.select(:object_field, ['Item 1', 'Item 2'], {include_blank: "Select something"}, { :class => 'my_style_class' }) %>
...
How to make a class conform to a protocol in Swift?
...ver an error... You might not need to implement the entire protocol in all cases and might want to build prior to doing so... it's not a big deal, but feels a bit unnecessary.
– Magoo
Mar 31 '16 at 11:52
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How to create directories recursively in ruby?
...se directories exist and need to recursively create them if necessary.
How can one do this in ruby?
6 Answers
...
Create module variables in Ruby
...able to be accessed without initializing an instance of the module, but it can be changed (unlike constants in modules).
4 ...
Set custom attribute using JavaScript
...de.google.com/p/dynatree) but I am having some problems and hoping someone can help..
3 Answers
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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.
...
Java: int array initializes with nonzero elements
...are faced with a bug in the JIT-compiler. Compiler determines that the allocated array is filled after allocation in Arrays.fill(...), but the check for uses between the allocation and the fill is faulty. So, compiler performs an illegal optimization - it skips zeroing of allocated array.
This bug ...
How do I sort an array of hashes by a value in the hash?
... but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .sort_by! is available for in-place sorting:
sort_me.sort_by! { |k| k["value"]}
...
Line continuation for list comprehensions or generator expressions in python
...
[x
for
x
in
(1,2,3)
]
works fine, so you can pretty much do as you please. I'd personally prefer
[something_that_is_pretty_long
for something_that_is_pretty_long
in somethings_that_are_pretty_long]
The reason why \ isn't appreciated very much is that it appe...