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How to wait for a number of threads to complete?
What is a way to simply wait for all threaded process to finish? For example, let's say I have:
13 Answers
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...eate an abstract model representing a "Place", eg. AbstractPlace, and inherit from it:
class AbstractPlace(models.Model):
name = models.CharField(max_length=20)
rating = models.DecimalField()
class Meta:
abstract = True
class Place(AbstractPlace):
pass
class LongNamedRest...
Is there a way to escape a CDATA end token in xml?
... was wondering if there is any way to escape a CDATA end token ( ]]> ) within a CDATA section in an xml document. Or, more generally, if there is some escape sequence for using within a CDATA (but if it exists, I guess it'd probably only make sense to escape begin or end tokens, anyway).
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How can I create a link to a local file on a locally-run web page?
...er open the file in your local applications automatically. That's for security reasons which I'll cover in the last section. If it opens, it will only ever open in the browser. If your browser can display the file, it will, otherwise it will probably ask you if you want to download the file.
Modern...
Understanding the Gemfile.lock file
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You can find more about it in the bundler website (emphasis added below for your convenience):
After developing your application for a while, check in the application together with the Gemfile and Gemfile.lock snapshot. Now, your repository has a r...
Why am I getting a NoClassDefFoundError in Java?
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This is caused when there is a class file that your code depends on and it is present at compile time but not found at runtime. Look for differences in your build time and runtime classpaths.
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String vs. StringBuilder
...catenation performance in Visual C#".
I have always tried to code for clarity first, and then optimize for performance later. That's much easier than doing it the other way around! However, having seen the enormous performance difference in my applications between the two, I now think about it a l...
When NOT to call super() method when overriding?
When I make my own Android custom class, I extend its native class. Then when I want to override the base method, I always call super() method, just like I always do in onCreate , onStop , etc.
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What are the best practices for SQLite on Android?
...hat would be considered the best practices when executing queries on an SQLite database within an Android app?
10 Answers
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How can I tell when HttpClient has timed out?
As far as I can tell, there's no way to know that it's specifically a timeout that has occurred. Am I not looking in the right place, or am I missing something bigger?
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