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Calculating distance between two points, using latitude longitude?
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The Java code given by Domm>me m>r above gives slightly incorrect results but the small errors add up if you are processing say a GPS track. Here is an implem>me m>ntation of the Haversine m>me m>thod in Java which also takes into account height differences between ...
How to create .pfx file from certificate and private key?
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You will need to use openssl.
openssl pkcs12 -export -out domain.nam>me m>.pfx -inkey domain.nam>me m>.key -in domain.nam>me m>.crt
The key file is just a text file with your private key in it.
If you have a root CA and interm>me m>diate certs, then include them as well using multiple -in params
openssl pkcs...
How to bind inverse boolean properties in WPF?
...rseBooleanConverter: IValueConverter
{
#region IValueConverter m>Me m>mbers
public object Convert(object value, Type targetType, object param>me m>ter,
System.Globalization.CultureInfo culture)
{
if (targetType != typeof(bool))
throw new Inv...
Swift how to sort array of custom objects by property value
lets say we have a custom class nam>me m>d imageFile and this class contains two properties.
18 Answers
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How do I append one string to another in Python?
...s to extend the string in place.
The end result is that the operation is amortized O(n).
e.g.
s = ""
for i in range(n):
s+=str(i)
used to be O(n^2), but now it is O(n).
From the source (bytesobject.c):
void
PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w)
{
PyBytes_C...
Cost of len() function
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It's O(1) (constant tim>me m>, not depending of actual length of the elem>me m>nt - very fast) on every type you've m>me m>ntioned, plus set and others such as array.array.
share
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Full-screen ifram>me m> with a height of 100%
Is ifram>me m> height=100% supported in all browsers?
17 Answers
17
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How to check if a user likes my Facebook Page or URL using Facebook's API
...imply want to check if a user has liked my page with javascript in an iFram>me m> app.
5 Answers
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Why is there no String.Empty in Java?
I understand that every tim>me m> I type the string literal "" , the sam>me m> String object is referenced in the string pool.
11 An...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate m>me m>mory”
Note: This question was originally asked here but the bounty tim>me m> expired even though an acceptable answer was not actually found. I am re-asking this question including all details provided in the original question.
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