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What is __init__.py for?
...)
Session = sessionmaker(bind=engine)
Since I define Session here, I can start a new session using the syntax below. This code would be the same executed from inside or outside of the "database" package directory.
from database import Session
session = Session()
Of course, this is a small conve...
How to put a unicode character in XAML?
...I did it like this:
<Button Grid.Column="1" Grid.RowSpan="2" Name="start" Margin="5" Click="start_Click">
<TextBlock Name="test" FontFamily="pack://application:,,,/Y_Yoga;Component/Resources/#FontAwesome">&#xF04B;</TextBlock>
</Button>
Hope to be helpfu...
What is the convention for word separator in Java package names?
...pend underscore to them.
If any of the resulting package name components start with a digit, or any other character that is not allowed as an initial character of an identifier, have an underscore prefixed to the component.
References
JLS 6.1 Package Names
...
Difference Between Invoke and DynamicInvoke
...ice = x => x * 2;
const int LOOP = 5000000; // 5M
var watch = Stopwatch.StartNew();
for (int i = 0; i < LOOP; i++)
{
twice.Invoke(3);
}
watch.Stop();
Console.WriteLine("Invoke: {0}ms", watch.ElapsedMilliseconds);
watch = Stopwatch.StartNew();
for (int i = 0; i < LOOP; i++)
{
twice.D...
Embedding ads on Android app?
...app I have, but would like to embed ad on it. I am not sure where I should start? Is there a well known mobile ad company out there that is specialized in mobile advertising?
...
“Keep Me Logged In” - the best approach
...e hash and current session_ID because the session_ID changes every session_start(); just thought i'd point this out.
– Partack
Aug 3 '11 at 2:01
3
...
How to lazy load images in ListView in Android
... handler.sendMessage(message);
}
};
thread.start();
}
private InputStream fetch(String urlString) throws MalformedURLException, IOException {
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpGet request = new HttpGet(urlString);
...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...
Magnus meant that you use a query like this: "start transaction; create temporary table temporary_table as select * from test where false; copy temporary_table from 'data_file.csv'; lock table test; update test set data=temporary_table.data from temporary_table where tes...
How to check for an active Internet connection on iOS or macOS?
...reachable = { _ in
print("Not reachable")
}
do {
try reachability.startNotifier()
} catch {
print("Unable to start notifier")
}
Objective-C
1) Add SystemConfiguration framework to the project but don't worry about including it anywhere
2) Add Tony Million's version of Reachability...
Java: Calling a super method which calls an overridden method
...uper. Every time it calls a method, it will look at the instance type, and start searching for the method with this type, no matter how often you called super. So when you call method2 on an instance of SubClass, it will always see the one from SubClass first.
– Aaron Digulla
...