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Duplicate keys in .NET dictionaries?
...for you, I don't think there's anything in the framework which will help - and using the dictionary is as good as it gets :(
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Comment shortcut Android Studio
I'm searching for useful Android Studio keyboard shortcut for commenting code, as in Sublime Text or Eclipse.
24 Answers
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Generics in C#, using type of a variable as parameter [duplicate]
... transaction });
Ick.
Can you make your calling method generic instead, and pass in your type parameter as the type argument, pushing the decision one level higher up the stack?
If you could give us more information about what you're doing, that would help. Sometimes you may need to use reflecti...
Android - How to get application name? (Not package name)
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This works fine, as long as you really use a label in android:name. If you hardcoded a string, then it fails.
– Snicolas
Aug 29 '13 at 15:20
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What is “entropy and information gain”?
...-1)/2) = prob_array(diff+(array_size-1)/2) + 1
endif
endfor
//Convert values in prob_array to probabilities and compute entropy
n = total(prob_array)
entrop = 0
for i = 0, array_size-1 do begin
prob_array(i) = prob_array(i)/n
//Base 2 log of x is Ln(x)/Ln(2). Take Ln of array ...
Default constructor with empty brackets
...lt;T>(ifs)), std::istream_iterator<T>());
Or, if you have C++11 and list-initialization (also known as uniform initialization) available:
std::vector<T> v{std::istream_iterator<T>{ifs}, std::istream_iterator<T>{}};
With this, there is no way it could be interpreted as...
Determine the number of NA values in a column
...r of NA values in a data frame column. Say my data frame is called df , and the name of the column I am considering is col . The way I have come up with is following:
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How do I get a platform-dependent new line character?
...ddition to the line.separator property, if you are using java 1.5 or later and the String.format (or other formatting methods) you can use %n as in
Calendar c = ...;
String s = String.format("Duke's Birthday: %1$tm %1$te,%1$tY%n", c);
//Note `%n` at end of line ^^
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How do you change the datatype of a column in SQL Server?
...ge a column from a varchar(50) to a nvarchar(200) . What is the SQL command to alter this table?
8 Answers
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Get a substring of a char* [duplicate]
...is will waste memory. You have been warned! :P
– alexandernst
Nov 11 '13 at 19:00
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@alexanderns...