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Set style for TextView programmatically
...xml file? if not programmatically. There are reasons not to use xml files, one of them is I am used to write code to build the UI so I don't want to learn a new way of doing it since my memory is limited and I want to keeps some room for other things.
– Iharob Al Asimi
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ASP.NET MVC: Custom Validation by DataAnnotation
... return null;
}
}
and then you might have a view model and decorate one of its properties with it:
public class MyViewModel
{
[CombinedMinLength(20, "Bar", "Baz", ErrorMessage = "The combined minimum length of the Foo, Bar and Baz properties should be longer than 20")]
public string ...
Use different Python version with virtualenv
...f virtualenv was that I could have a version of python other than the main one (in my case, 2.4 on CentOS). I was assuming I could install virtualenv, then install Python 2.6 under it for packages in the env to make use of?
– John C
May 24 '11 at 14:31
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Why I can't change directories using “cd”?
...its, you're back in the interactive shell and nothing ever changed there.
One way to get around this is to use an alias instead:
alias proj="cd /home/tree/projects/java"
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dispatch_after - GCD in Swift?
I've gone through the iBook from Apple, and couldn't find any definition of it:
24 Answers
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How do you declare an interface in C++?
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To expand on the answer by bradtgmurray, you may want to make one exception to the pure virtual method list of your interface by adding a virtual destructor. This allows you to pass pointer ownership to another party without exposing the concrete derived class. The destructor doesn't ha...
Output to the same line overwriting previous output?
... current line. It does not erase anything. Similarly, \b can be used to go one character backward. (some terminals may not support all those features)
import sys
def process(data):
size_str = os.path.getsize(file_name)/1024, 'KB / ', size, 'KB downloaded!'
sys.stdout.write('%s\r' % size_st...
How do I unload (reload) a Python module?
... edited Feb 13 '14 at 22:41
Honest Abe
6,84444 gold badges3939 silver badges5656 bronze badges
answered Jan 28 '09 at 14:03
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Why no generics in Go?
Disclaimer: I've only played with Go for one day now, so there's a good chance I've missed a lot.
6 Answers
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Using a dispatch_once singleton model in Swift
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Should init be also be declared private to guarantee one and only one instance of the object will ever exist throughout the app's lifetime?
– Andrew
May 26 '15 at 21:53
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