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Each for object? [duplicate]
...s always a bad thing :) as that will affect all child object's like array, string etc
– Saket Patel
Oct 3 '13 at 13:23
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How do I create a class instance from a string name in ruby?
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Very simple in Rails: use String#constantize
class_name = "MyClass"
instance = class_name.constantize.new
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When to use LinkedList over ArrayList in Java?
...wo additional pointers and each node is a separate wrapper object with the extra overhead bytes that go with them).
– Kevin Brock
Mar 23 '10 at 0:46
43
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Sorting Python list based on the length of the string
I want to sort a list of strings based on the string length. I tried to use sort as follows, but it doesn't seem to give me correct result.
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json.net has key method?
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JObject implements IDictionary<string, JToken>, so you can use:
IDictionary<string, JToken> dictionary = x;
if (dictionary.ContainsKey("error_msg"))
... or you could use TryGetValue. It implements both methods using explicit interface implement...
How do I deep copy a DateTime object?
...now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this:
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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
What is the regex to make sure that a given string contains at least one character from each of the following categories.
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Big-O for Eight Year Olds? [duplicate]
...int (it's where the n^2.8... came from.) I still assert it isn't worth the extra overhead in most practical cases.
– sfink
Jun 9 '09 at 19:26
5
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initializing a Guava ImmutableMap
...an be different types.
You want an ImmutableMap.Builder:
ImmutableMap<String,String> myMap = ImmutableMap.<String, String>builder()
.put("key1", "value1")
.put("key2", "value2")
.put("key3", "value3")
.put("key4", "value4")
.put("key5", "value5")
.put("key6...
Testing if object is of generic type in C#
...type.BaseType;
}
return false;
}
static void Main(string[] args)
{
// True
Console.WriteLine(IsInstanceOfGenericType(typeof(List<>),
new List<string>()));
// False
Console.Write...