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How to detect if a property exists on an ExpandoObject?
In javascript you can detect if a property is defined by using the undefined keyword:
11 Answers
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How does an underscore in front of a variable in a cocoa objective-c class work?
...ave used an underscore _ in front of the variable. Does anyone know what this means? Or how it works?
9 Answers
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What is a clean, pythonic way to have multiple constructors in Python?
I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in a Python class. So how do I solve this problem?
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Question mark and colon in JavaScript
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It is called the Conditional Operator (which is a ternary operator).
It has the form of: condition ? value-if-true : value-if-false
Think of the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = ...
What is the correct way to make a custom .NET Exception serializable?
...sing System.Runtime.Serialization;
[Serializable]
// Important: This attribute is NOT inherited from Exception, and MUST be specified
// otherwise serialization will fail with a SerializationException stating that
// "Type X in Assembly Y is not marked as serializable."
public ...
Managing CSS Explosion
...orking on. Right now, all the CSS styles are being applied on a per tag basis, and so now I am trying to move it to more of an external styling to help with any future changes.
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Node.js check if path is file or directory
I can't seem to get any search results that explain how to do this.
6 Answers
6
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How does the Meteor JavaScript framework work? [closed]
...ant to know how it works. I mean conventional web applications work like this:
You have scripts on server which take data from database and add that dynamically to web-pages and the user-submitted data gets added to databases through some other scrips.
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Are soft deletes a good idea? [duplicate]
...s a deletion of just-added data, of course).
Second, a soft delete like this means you now have to include a WHERE IsDeleted = false clause in every query on this table (and so much worse if you're JOINing these tables). A mistake here would be caught as soon as a user or tester noticed a deleted ...
How can I pipe stderr, and not stdout?
...d stderr , and I need to grep through what's coming to stderr , while disregarding stdout .
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