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What is duck typing?
...that do not have strong typing.
The idea is that you don't need a type in order to invoke an existing method on an object - if a method is defined on it, you can invoke it.
The name comes from the phrase "If it looks like a duck and quacks like a duck, it's a duck".
Wikipedia has much more inform...
Sending websocket ping/pong frame from browser
...quite essential for the client application to regularly ping the server in order to ensure the connection has not been lost.
– Noel Abrahams
May 19 '16 at 10:08
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NULL values inside NOT IN clause
...Logic can be a bit confusing at first but it is essential to understand in order to write correct queries in TSQL
Another article I would recommend is SQL Aggregate Functions and NULL.
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git: switch branch without detaching head
...emote another.
You have to first make a remote branch tracked locally in order to be able to switch-to and work on it.
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Recommendations of Python REST (web services) framework? [closed]
...e paginate(request, Post.objects.filter(deleted=False, owner=request.user).order_by('comment_count')) and look at the code. I hope it will illustrate my point.
– temoto
Jul 13 '10 at 18:32
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What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?
...e the entire line, but can also be used to move entire methods, change the order of parameters, etc.
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Returning IEnumerable vs. IQueryable
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This is very useful information in order to understand the difference, but the top answer is more accurate as the question was "when should one be preferred over the other?", and not "what is the difference?".
– Scopperloit
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Simulate airplane mode in iPhone Simulator
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so it means you can edit hosts files in order to achieve the same, thanks for the idea buddy.
– panchicore
Feb 12 '19 at 13:59
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“Undefined reference to” template class constructor [duplicate]
...ations will be needed; and we can't expect it to compile for every type in order to ensure this problem never happens! (cola<int>, cola<char>, cola<ostream>, cola< cola<int> > ... and so on ...)
The two answers are:
Tell the compiler, at the end of cola.cpp, which pa...
Does Spring @Transactional attribute work on a private method?
...the target class will be 'weaved' (i.e. its byte code will be modified) in order to turn @Transactional into runtime behavior on any kind of method.
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