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How can I get dictionary key as variable directly in Python (not by searching from value)?
Sorry for this basic question but my searches on this are not turning up anything other than how to get a dictionary's key based on its value which I would prefer not to use as I simply want the text/name of the key and am worried that searching by value may end up returning 2 or more keys if the di...
Replace part of a string with another string
Is it possible in C++ to replace part of a string with another string?
15 Answers
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Why is the .bss segment required?
What I know is that global and static variables are stored in the .data segment, and uninitialized data are in the .bss segment. What I don't understand is why do we have dedicated segment for uninitialized variables? If an uninitialised variable has a value assigned at run time, does the varia...
What is the purpose of willSet and didSet in Swift?
Swift has a property declaration syntax very similar to C#'s:
11 Answers
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Measuring execution time of a function in C++
I want to find out how much time a certain function takes in my C++ program to execute on Linux . Afterwards, I want to make a speed comparison . I saw several time function but ended up with this from boost. Chrono:
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How to convert a String to CharSequence?
How to convert String to CharSequence in Java?
5 Answers
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Correct idiom for managing multiple chained resources in try-with-resources block?
The Java 7 try-with-resources syntax (also known as ARM block ( Automatic Resource Management )) is nice, short and straightforward when using only one AutoCloseable resource. However, I am not sure what is the correct idiom when I need to declare multiple resources that are dependent on each ot...
Disable JavaScript error in WebBrowser control
I am developing a windows application with a WebBrowser control that navigates to a sharepoint site.
My problem is that i am getting JavaScript error.
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iOS start Background Thread
I have a small sqlitedb in my iOS device. When a user presses a button, I fetch the data from sqlite & show it to user.
5 A...
Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
I have an R data frame containing a factor that I want to "expand" so that for each factor level, there is an associated column in a new data frame, which contains a 1/0 indicator. E.g., suppose I have:
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