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SQlite Getting nearest locations (with latitude and longitude)
... is anywhere, but a degree of longitude may only be a few feet. This will mean that the sort order is incorrect).
If you are not at the equator, pre-calculate the fudge-factor, based on your current latitude:
<fudge> = Math.pow(Math.cos(Math.toRadians(<lat>)),2);
Then order by:
((&...
Escape quote in web.config connection string
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I think you mean password=''''; is valid. But your suggestion is the only thing that worked for me. This is actually used in other escape schemes, too.
– Bluebaron
Sep 4 '19 at 19:27
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What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
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@NickN. you mean .parent > *?
– Salman A
Mar 14 '17 at 10:40
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Export database schema into SQL file
...erate scripts) option in SQL Management Studio? Does that produce what you mean by a "SQL File"?
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Show an image preview before upload
...to create applications that let the user interact with files locally; That means you can load files and render them in the browser without actually having to upload the files. Part of the File API is the FileReader interface which lets web applications asynchronously read the contents of files .
He...
Is there a way to iterate over a dictionary?
...alue);
}];
Even though NSDictionary is implemented as a hashtable (which means that the cost of looking up an element is O(1)), lookups still slow down your iteration by a constant factor.
My measurements show that for a dictionary d of numbers ...
NSMutableDictionary* dict = [NSMutableDictionar...
Daylight saving time and time zone best practices [closed]
... in 2007 the US changed the dates that the clocks get changed on. This now means that for 48 weeks of the year the difference between London time and New York time is 5 hours and for 4 weeks (3 in the spring, 1 in the autumn) it is 4 hours. Be aware of items like this in any calculations that involv...
What do pty and tty mean?
... tty in some opensource projects, could someone can tell me what do they mean and what is the difference between them? Thanks!
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PHP Redirect with POST data
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no, i mean not compared to javascript. Just in general $_SESSION alone can be a little less secure than say $_SESSION + cookie, although $_SESSION is pretty secure by itself. More info here: stackoverflow.com/questions/17413480/ses...
Can an ASP.NET MVC controller return an Image?
...h.Combine(dir, id + ".jpg"); //validate the path for security or use other means to generate the path.
return base.File(path, "image/jpeg");
}
As a note, this seems to be fairly efficient. I did a test where I requested the image through the controller (http://localhost/MyController/Image/MyIm...