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How to implement an ordered, default dict? [duplicate]
...', None)])
And if your keys are single characters, you can just pass one string:
OrderedDict.fromkeys('abc')
This has the same output as the two examples above.
You can also pass a default value as the second arg to OrderedDict.fromkeys(...).
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Parse DateTime string in JavaScript
Does anyone know how to parse date string in required format dd.mm.yyyy ?
9 Answers
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Difference between Property and Field in C# 3.0+
...uick, obvious differences
A property can have accessor keywords.
public string MyString { get; private set; }
A property can be overridden in descendents.
public virtual string MyString { get; protected set; }
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Like Operator in Entity Framework?
...to implement the "LIKE" operator in Entity Framework for our entities with string fields, but it doesn't appear to be supported. Has anyone else tried to do something like this?
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In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...nt anchor. This will help to keep your HTML clean, as there's no need for extra markup.
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Replace only some groups with Regex
...eed to identify them or not. That way you can use them in your replacement string. For example:
var pattern = @"(-)(\d+)(-)";
var replaced = Regex.Replace(text, pattern, "$1AA$3");
or using a MatchEvaluator:
var replaced = Regex.Replace(text, pattern, m => m.Groups[1].Value + "AA" + m.Groups...
How do I implement a callback in PHP?
... "callable" interchangeably, however, "callback" traditionally refers to a string or array value that acts like a function pointer, referencing a function or class method for future invocation. This has allowed some elements of functional programming since PHP 4. The flavors are:
$cb1 = 'someGlobal...
What's the best way to trim std::string?
I'm currently using the following code to right-trim all the std::strings in my programs:
46 Answers
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How do I get the number of elements in a list?
...e number of items) of an object. The argument may be a sequence (such as a string, bytes, tuple, list, or range) or
a collection (such as a dictionary, set, or frozen set).
len is implemented with __len__, from the data model docs:
object.__len__(self)
Called to implement the built-in funct...
How can I remove non-ASCII characters but leave periods and spaces using Python?
I'm working with a .txt file. I want a string of the text from the file with no non-ASCII characters. However, I want to leave spaces and periods. At present, I'm stripping those too. Here's the code:
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