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What are the best practices for SQLite on Android?
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Concurrent Database Access
Same article on my blog(I like formatting more)
I wrote small article which describe how to make access to your android database thread safe.
Assuming you have your own SQLiteOpenHelper.
public class DatabaseHelper extends SQLiteOpenHel...
List of installed gems?
... sorted by the version number.
That makes it possible to do things like:
my_local_gems = local_gems()
my_local_gems['actionmailer']
# => [Gem::Specification.new do |s|
# s.authors = ["David Heinemeier Hansson"]
# s.date = Time.utc(2013, 12, 3)
# s.dependencies = [Gem::Depende...
Multiple Updates in MySQL
...e, is there a way to update multiple rows at once (as in, in one query) in MySQL?
17 Answers
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why windows 7 task scheduler task fails with error 2147942667
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For what it's worth I'm getting this error but my Start in folder setting has no quotes, rather the path that was referenced didn't exist.
– shufler
Aug 14 '13 at 21:47
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Disable migrations when running unit tests in Django 1.7
... the main
settings module and adds this line:
MIGRATION_MODULES = {"myapp": "myapp.migrations_not_used_in_tests"}
Then I run tests like this:
DJANGO_SETTINGS_MODULE="myapp.settings_test" python manage.py test
This fools migrate into thinking that the app is unmigrated, and so
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Changing names of parameterized tests
Is there a way to set my own custom test case names when using parameterized tests in JUnit4?
12 Answers
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Best way to add page specific JavaScript in a Rails 3 app?
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<script type="text/javascript">
<%= render :partial => "my_view_javascript"
</script>
<% end %>
Then, in your layout file
<head>
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<%= yield :head %>
</head>
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JavaFX and OpenJDK
...rying to decide whether I could switch to JavaFX for the user interface of my Java application. Most of my users would be using the Oracle JRE, which has JavaFX integrated these days. However, some are using OpenJDK (on linux). This (old) question suggests that OpenJDK deals very badly with JavaFX...
How to append a char to a std::string?
...urn that question around: Why do you consider push_back better than +=? In my opinion, += is clear and concise.
– Jesper
Sep 24 '09 at 15:09
35
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Double exclamation points? [duplicate]
...es to NaN values. And this is the only case I can think of off the top of my head where !! would behave differently to ===.
NaN === NaN //false
!!NaN === !!NaN //true
// !!NaN is false
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