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Generate GUID in MySQL for existing Data?
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@SamBarnum because UUID is generated based on the machine and timestamp. As a query that takes milliseconds to run, they have to be very very close indeed... but never the same... a good thing to assure you, is to add an UNIQUE index to that column.
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Overriding fields or properties in subclasses
I have an abstract base class and I want to declare a field or a property that will have a different value in each class that inherits from this parent class.
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Checking if an instance's class implements an interface?
...t; 'that'
);
$in = in_array('those', $tmp);
}
These tests are based on this simple code.
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Javascript calculate the day of the year (1 - 366)
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The day component is base-1. i.e. to represent January 1st of this year, you'd use new Date(2014, 0, 1), and not new Date(2014, 0, 0) as you have here. Is that intentional? Perhaps that's what accounts for being off by one day as new Date(2014...
How do I access the request object or any other variable in a form's clean() method?
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For what it's worth, if you're using Class Based Views, instead of function based views, override get_form_kwargs in your editing view. Example code for a custom CreateView:
from braces.views import LoginRequiredMixin
class MyModelCreateView(LoginRequiredMixin, Crea...
Reading large text files with streams in C#
...ically maintain the buffer.
December 2014 UPDATE: Your Mileage May Vary
Based on the comments, FileStream should be using a BufferedStream internally. At the time this answer was first provided, I measured a significant performance boost by adding a BufferedStream. At the time I was targeting .NE...
Attach a file from MemoryStream to a MailMessage in C#
...et.Mime.MimeTypeNames like System.Net.Mime.MediaTypeNames.Application.Pdf
Based on Mime Type you need to specify correct extension in FileName for instance "myFile.pdf"
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
...y be more cache efficient than the large one. On my Core2 a cache line is 64 bytes wide, the full table would span multiple lines, whereas the smaller table easily fits one a single line.
– deft_code
Oct 1 '11 at 14:20
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Using “super” in C++
...time C++ was standardized.
Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged ambiguous uses. Even Stroustrup was convinced.
After discussion, Dag Bruck (yes, the same person making the proposal) wr...
Should I add the Visual Studio .suo and .user files to source control?
... when you view status, or commit
files, those files won't clutter the code base and obscure new files you need to add.
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