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Why is it necessary to set the prototype constructor?
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Require returns an empty object
...js got from require('./book') will be the full book.js module object
For more info, here's the docs: http://nodejs.org/api/modules.html
If its possible to dynamically add that schema to one of those ActiveRecord objects, that's one way to solve this. This is actually kind of a tricky situation. I...
What are paramorphisms?
...ficient, but if you're interested in sheer expressivity, para gives you no more than foldr. If you use this foldr-encoded version of para, then safeTail will take linear time after all, copying the tail element by element.
So, that's it: para is a more convenient version of foldr which gives you im...
Why shouldn't I use mysql_* functions in PHP?
...ql_* functions used to be very popular, but their use is not encouraged anymore. The documentation team is discussing the database security situation, and educating users to move away from the commonly used ext/mysql extension is part of this (check php.internals: deprecating ext/mysql).
And the la...
How to get the error message from the error code returned by GetLastError()?
... Thank you very much, your example is much clearer than the one from MSDN. More over, the one from MSDN even couldn't compile. It includes some strsafe.h header, that isn't safe at all, it causing a bunch of a compiler errors in winuser.h and winbase.h.
– Hi-Angel
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How to shuffle a std::vector?
...std::shuffle if you intend to generate different permutations every time!
Moreover, if you want your program to create different sequences of shuffles each time it is run, you can seed the constructor of the random engine with the output of std::random_device:
auto rd = std::random_device {};
aut...
What is the recommended way to delete a large number of items from DynamoDB?
...her facilitate DeleteItem as usual
Update: Most likely BatchWriteItem is more appropriate for a use case like this (see below for details).
Update
As highlighted by ivant, the BatchWriteItem operation enables you to put or delete several items across multiple tables in a single API call [emp...
Zoom in on a point (using scale and translate)
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More valuable than cut and paste code is the explanation of what the best solution is and why it works without the baggage especially if it is three lines long.
– Tatarize
Jul 31 '15 at ...
Run a task every x-minutes with Windows Task Scheduler [closed]
...nly offer you to launch the advanced dialog once you created the task.
On more recent versions of Windows (7+ I think?):
Double click the task and a property window will show up.
Click the Triggers tab.
Double click the trigger details and the Edit Trigger window will show up.
Under Advanced sett...
How do I seed a random class to avoid getting duplicate random values [duplicate]
...mly, and ensure no two generators are seeded with the same value, and much more)
– PPC
Apr 30 '19 at 14:35
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