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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
Every time I mention slow performance of C++ standard library iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer...
Intersection and union of ArrayLists in Java
Are there any methods to do so? I was looking but couldn't find any.
23 Answers
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Drop all tables whose names begin with a certain string
How can I drop all tables whose names begin with a given string?
14 Answers
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How to append rows to an R data frame
I have looked around StackOverflow, but I cannot find a solution specific to my problem, which involves appending rows to an R data frame.
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Printing without newline (print 'a',) prints a space, how to remove?
I have this code:
12 Answers
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How do I run a simple bit of code in a new thread?
I have a bit of code that I need to run in a different thread than the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
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Make Font Awesome icons in a circle?
I am using font awesome on some project but I have some things that I want to do with font awesome icons, I can easily call an icon like this:
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How do I sort an observable collection?
I have a following class :
23 Answers
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Android: Storing username and password?
If I want to store the username and password to be used inside an Android application, what is the best way to do it? Is it through the preferences screen (but what if the user misses this?), or pop up a dialog box and ask the user for the credentials? If so, I do have to maintain state for the appl...