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SQlite Getting nearest locations (with latitude and longitude)
I have data with latitude and longitude stored in my SQLite database, and I want to get the nearest locations to the parameters I put in (ex. My current location - lat/lng, etc.).
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What is the best way to iterate over a dictionary?
...ociative array in another language:
foreach(var item in myDictionary)
{
foo(item.Key);
bar(item.Value);
}
Or, if you only need to iterate over the collection of keys, use
foreach(var item in myDictionary.Keys)
{
foo(item);
}
And lastly, if you're only interested in the values:
foreach(v...
How to make inline functions in C#
I'm using Linq To XML
6 Answers
6
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How to use double or single brackets, parentheses, curly braces
I am confused by the usage of brackets, parentheses, curly braces in Bash, as well as the difference between their double or single forms. Is there a clear explanation?
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The function to show current file's full path in mini buffer
...es of funcall to call a function that is stored as the value of a variable foo, because if you used (foo) you would be using the function slot of foo rather than the value slot.
– phils
Feb 13 '18 at 6:52
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Fast check for NaN in NumPy
...y, because it catches inf and neginf as well.
– Fred Foo
Jul 18 '11 at 20:27
2
This only catches ...
techniques for obscuring sensitive strings in C++
...tion (a symmetric encryption key that I want to keep private) in my C++ application. The simple approach is to do this:
14 ...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
It seems to me like the files run the same without that line.
21 Answers
21
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Can I escape a double quote in a verbatim string literal?
In a verbatim string literal (@"foo") in C#, backslashes aren't treated as escapes, so doing \" to get a double quote doesn't work. Is there any way to get a double quote in a verbatim string literal?
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Coroutine vs Continuation vs Generator
...it takes will be a function (which will be our current continuation).
def foo(x, y, cc):
cc(max(x, y))
biggest = callcc(foo, [23, 42])
print biggest
What would happen is that callcc() would in turn call foo() with the current continuation (cc), that is, a reference to the point in the program...