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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
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Ricardo NoldeRicardo Nolde
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How to implement the --verbose or -v option into a script?
... it'll only get defined if the condition is true!)
If you're using Python 3, where print is already a function (or if you're willing to use print as a function in 2.x using from __future__ import print_function) it's even simpler:
verboseprint = print if verbose else lambda *a, **k: None
This wa...
What's the absurd function in Data.Void useful for?
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answered Jan 3 '13 at 3:20
Philip JFPhilip JF
26.3k55 gold badges6767 silver badges7676 bronze badges
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JSON formatter in C#?
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This worked for me using System.Text.Json in .Net Core 3.1
public string PrettyJson(string unPrettyJson)
{
var options = new JsonSerializerOptions(){
WriteIndented = true
};
var jsonElement = JsonSerializer.Deserialize<JsonElement>(unPrettyJson);
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MongoDB/Mongoose querying at a specific date?
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rdreyrdrey
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Why is there “data” and “newtype” in Haskell? [duplicate]
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answered Apr 16 '10 at 1:35
Norman RamseyNorman Ramsey
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Can you nest html forms?
...age but they should not be nested.
From the html5 working draft:
4.10.3 The form element
Content model:
Flow content, but with no form element descendants.
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Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
...an 2015: I’ve just noticed a recent commit to Clang that suggests option 3 above (using objc_method_family(none)), including a fix-it, for the general case where a property name matches one of the special method family prefixes. Xcode will likely incorporate this change eventually.
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Substitute multiple whitespace with single whitespace in Python [duplicate]
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