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combinations between two lists?
...aving trouble wrapping my head around a algorithm I’m try to make. Basically, I have two lists and want to get all the combinations of the two lists.
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How to determine if a type implements a specific generic interface type
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You have to go up through the inheritance tree and find all the interfaces for each class in the tree, and compare typeof(IBar<>) with the result of calling Type.GetGenericTypeDefinition if the interface is generic. It's all a bit painful, certainly.
See this answer and the...
List comprehension vs map
...ing map() over list comprehension or vice versa? Is either of them generally more efficient or considered generally more pythonic than the other?
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Why does a RegExp with global flag give wrong results?
...stIndex);
result.push(re.test('Foo Bar'));
If you don't want to manually reset lastIndex to 0 after every test, just remove the g flag.
Here's the algorithm that the specs dictate (section 15.10.6.2):
RegExp.prototype.exec(string)
Performs
a regular expression match of string
against the reg...
Difference between git pull and git pull --rebase
...t saying git pull --rebase is the same as git fetch and git rebase is basically how it is, but it's not exactly semantically equivalent. There are some differences, some of which are explained here. gitolite.com/git-pull--rebase
– w0rp
Aug 20 '15 at 9:47
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Turn a string into a valid filename?
I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python.
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Create singleton using GCD's dispatch_once in Objective-C
...ere can only ever be 1 of these objects), but as long as you only use the [Foo sharedFoo] method to access the object, this is good enough.
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Java: Multiple class declarations in one file
...here's an official term for this approach though.
As for whether this actually changes between implementations - I highly doubt it, but if you avoid doing it in the first place, you'll never need to care :)
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How can I build XML in C#?
...riter.WriteElementString("Nested", "data");
writer.WriteEndElement();
Finally, via XmlSerializer:
[Serializable]
public class Foo
{
[XmlAttribute]
public string Bar { get; set; }
public string Nested { get; set; }
}
...
Foo foo = new Foo
{
Bar = "some & value",
Nested = "d...
python's re: return True if string contains regex pattern
...p.search(word) <_sre.SRE_Match object at 0x101030b28> . You can drop all the pipe symbols.
– radtek
Jan 27 '17 at 14:51
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