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How do SQL EXISTS statements work?
...way:
For 'each' row from Suppliers, check if there 'exists' a row in the Order table that meets the condition Suppliers.supplier_id (this comes from Outer query current 'row') = Orders.supplier_id. When you find the first matching row, stop right there - the WHERE EXISTS has been satisfied.
The ...
How to return smart pointers (shared_ptr), by reference or by value?
...e to one, and I would be very hesitant to pass them around by reference or raw pointer. Why? Because you cannot be certain that it will not be shallow-copied via a reference later. Your first point defines the reason why this should be a concern. This can happen even in a single-threaded environment...
Get lengths of a list in a jinja2 template
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Converting JSON String to Dictionary Not List
...imilar projects.
I extract data from an URL using a POST request and the raw output is JSON. For some reason the output is already a dictionary, not a list, and I'm able to refer to the nested dictionary keys right away, like this:
datapoint_1 = json1_data['datapoints']['datapoint_1']
where dat...
C dynamically growing array
...e that the answer is storing the return value into a different variable in order to perform error checking.
Every time you call a function, and every time you use an array, you are using a pointer. The conversions are occurring implicitly, which if anything should be even scarier, as it's the thing...
django order_by query set, ascending and descending
How can I order by descending my query set in django by date?
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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...nt characters in e.g. Arabic. For such scripts, they need to be present in order to ensure proper display of the intended text.
– Michael Madsen
Sep 18 '11 at 13:34
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Using Java with Nvidia GPUs (CUDA)
... on the GPU" in general. I'll summarize these again here, in no particular order.
(Disclaimer: I'm the author of http://jcuda.org/ and http://jocl.org/ )
(Byte)code translation and OpenCL code generation:
https://github.com/aparapi/aparapi : An open-source library that is created and actively mai...
How can I get my webapp's base URL in ASP.NET MVC?
...e controller and action I want to call: $('#myplaceholder').load('@(Html.Raw(HttpRuntime.AppDomainAppVirtualPath))/MyController/MyAction', ...);
– Kjell Rilbe
Oct 19 '12 at 9:17
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