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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
... Java, did not get generics. This means that, at run time, only the class exists, not its type parameters. In the example, JVM knows it is handling a scala.collection.immutable.List, but not that this list is parameterized with Int.
Fortunately, there's a feature in Scala that lets you get around th...
Entity Framework DateTime and UTC
... var properties = entity.GetType().GetProperties()
.Where(x => x.PropertyType == typeof(DateTime) || x.PropertyType == typeof(DateTime?));
foreach (var property in properties)
{
var attr = property.GetCustomAttribute<DateTimeKindAttribute>();
...
pinterest api documentation [closed]
...y to guess). All of the above endpoints require an access_token parameter except for the login endpoint.
To generate a valid access_token, the developer will need to be granted access to the API by Pinterest which we all know is currently almost impossible.
Another option is to write a script to s...
How to use glob() to find files recursively?
... with a dot (.); like files in the current directory or hidden files on Unix based system, use the os.walk solution below.
os.walk
For older Python versions, use os.walk to recursively walk a directory and fnmatch.filter to match against a simple expression:
import fnmatch
import os
matches = []
fo...
How to convert IEnumerable to ObservableCollection?
...insert the items one by one into the collection?
– Rexxo
Aug 31 '16 at 12:49
4
@Rexxo it will be ...
How to globally replace a forward slash in a JavaScript string?
.../', 'ForwardSlash');
For a global replacement, or if you prefer regular expressions, you just have to escape the slash:
"string".replace(/\//g, 'ForwardSlash');
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Make xargs handle filenames that contain spaces
My command fails because the file "Lemon Tree.mp3" contains spaces and so xargs thinks it's two files. Can I make find + xargs work with filenames like this?
...
Map and Reduce in .NET
...it under different names.
Map is Select:
Enumerable.Range(1, 10).Select(x => x + 2);
Reduce is Aggregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www.justinshield.com/2011/06/mapreduce-in-c...
Clear terminal in Python [duplicate]
Does any standard "comes with batteries" method exist to clear the terminal screen from a Python script, or do I have to go curses (the libraries, not the words)?
...
OS X Bash, 'watch' command
I'm looking for the best way to duplicate the Linux 'watch' command on Mac OS X. I'd like to run a command every few seconds to pattern match on the contents of an output file using 'tail' and 'sed'.
...