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EditText maxLines not working - user can still input more lines than set
...eyEvent.ACTION_UP) {
// get EditText text
String text = ((EditText) v).getText().toString();
// find how many rows it cointains
int editTextRowCount = text.split("\\n").length;
// user has input more than limited - le...
How to use concerns in Rails 4
...tags, through: :taggings
class_attribute :tag_limit
end
def tags_string
tags.map(&:name).join(', ')
end
def tags_string=(tag_string)
tag_names = tag_string.to_s.split(', ')
tag_names.each do |tag_name|
tags.build(name: tag_name)
end
end
# methods define...
Set focus on TextBox in WPF from view model
...odel(exampleViewModel.cs):write the following
Messenger.Default.Send<string>("focus", "DoFocus");
now in your View.cs(not the XAML the view.xaml.cs) write the following in the constructor
public MyView()
{
InitializeComponent();
Messenger.Default.Registe...
What is the correct way of using C++11's range-based for?
....
This is inefficient code, e.g., if these elements are instances of std::string,
heap memory allocations can be done, with expensive trips to the memory manager, etc.
This is useless if we just want to observe the elements in a container.
So, a better syntax is available: capture by const referen...
What is 'YTowOnt9'?
...k sometimes renders hidden inputs with value YTowOnt9 . I can't find that string anywhere in the (huge) codebase, and can't figure out where it came from. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I haven't found any ...
Should URL be case sensitive?
...sitive or not.
Take this page for example, stackoverflow.com receives GET string /questions/7996919/should-url-be-case-sensitive, sending a HTML document to your browser. Stackoverflow.com is case insensitive because it produces the same result for /QUEStions/7996919/Should-url-be-case-sensitive.
...
Is the LIKE operator case-sensitive with MSSQL Server?
...objects.
It is also possible to change a column collation on the fly for string comparison, but this is highly unrecommended in a production environment because it is extremely costly.
select
column1 collate sql_latin1_general_cp1_ci_as as column1
from table1
...
When NOT to call super() method when overriding?
...vadoc for this method this is also pointed out.
public void startElement (String uri, String localName,
String qName, Attributes attributes) throws SAXException {
// no op
}
About the super() default call in code generated by IDEs, as @barsju pointed out in his comment, in each constructo...
JUnit test for System.out.println()
... writing a lot of error messages to standard output. When the getResponse(String request) method behaves correctly it returns a XML response:
...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...
In Python 3, you can only print as:
print("STRING")
But in Python 2, the parentheses are not necessary.
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