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Most concise way to convert a Set to a List
...ne of the elements are null, and the only weird I notice is that the index starts at 1. However, if I just create a normal list the index starts at 0. Weird?
– Jack
Feb 19 '16 at 15:04
...
How to make a SIMPLE C++ Makefile
...ace sensitive. In particular, the action lines following dependencies must start with a tab. But a series of spaces can look the same (and indeed there are editors that will silently convert tabs to spaces or vice versa), which results in a Make file that looks right and still doesn't work. This was...
How to copy commits from one branch to another?
...an still use rebase to effectively do several cherry-picks at once:
# wss-starting-point is the SHA1/branch immediately before the first commit to rebase
git branch wss-to-rebase wss
git rebase --onto v2.1 wss-starting-point wss-to-rebase
git checkout v2.1
git merge wss-to-rebase
Note: the reason...
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
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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...
What is the difference between a 'closure' and a 'lambda'?
...da that need to be saved somewhere.
It didn't took too long for people to start calling the actual data structure they use in their language's implementations to implement closure as the "closure" itself. The structure usually looks something like this:
Closure {
[pointer to the lambda function...
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?
...
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);
...