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Static member functions error; How to properly write the signature?
...n in the function definition. And a function (definition) cannot be static if it is a class' method (declaration). Hence, you can declare it static, but not define it static. In the function definition 'static' has the same meaning as in C, which is incompatible with a class method.
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Convert a List into an ObservableCollection
... Observable Collection constructor will take an IList or an IEnumerable.
If you find that you are going to do this a lot you can make a simple extension method:
public static ObservableCollection<T> ToObservableCollection<T>(this IEnumerable<T> enumerable)
{
retu...
Why doesn't the JVM cache JIT compiled code?
...It's likely that these data patterns will change during the application's lifetime, rendering the cached optimisations less than optimal.
So you'd need a mechanism to establish whether than saved optimisations were still optimal, at which point you might as well just re-optimise on the fly.
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Converting RGB to grayscale/intensity
When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140.
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Truncating all tables in a Postgres database
...ote: Since table names are not unique per database, you have to schema-qualify table names to be sure. Also, I limit the function to the default schema 'public'. Adapt to your needs, but be sure to exclude the system schemas pg_* and information_schema.
Be very careful with these functions. They nu...
How to enable assembly bind failure logging (Fusion) in .NET
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If you have the Windows SDK installed on your machine, you'll find the "Fusion Log Viewer" under Microsoft SDK\Tools (just type "Fusion" in the start menu on Vista or Windows 7/8). Launch it, click the Settings button, and se...
Is there a ceiling equivalent of // operator in Python?
...ore performant and less of a headache.
– Samy Bencherif
Dec 10 '18 at 10:44
1
Note that math.ceil...
How to store CGRect values in NSMutableArray?
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great answer! would be even more useful if you demonstrated "unboxing" of the stored NSValue back to CGRect.
– Motti Shneor
Jul 24 '19 at 12:24
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Can you have additional .gitignore per directory within a single repo?
...imilar question was: Are multiple `.gitignore`s frowned on? (Jul 2010)
Or if you can have different version of a .gitignore file per branch: Using github to host public git repositories whilst ensuring that sensitive data files remain untracked (Feb 2010)
Further perhaps related: How do I tell gi...
What's the “Content-Length” field in HTTP header?
...was 7 bit indeed so you're right again. But today 8 bits are used in most (if not all) cases because of the way computer memory is organized. edit: Rereading my answer I see where you're going. I should rephrase my original comment.
– hcpl
Mar 10 '13 at 19:28
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