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What makes a keychain item unique (in iOS)?
My question concerns keychains in iOS (iPhone, iPad, ...). I think (but am not sure) that the implementation of keychains under Mac OS X raises the same question with the same answer.
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How to convert a Collection to List?
I am using TreeBidiMap from the Apache Collections library. I want to sort this on the values which are doubles .
10 A...
Linux command (like cat) to read a specified quantity of characters
Is there a command like cat in linux which can return a specified quantity of characters from a file?
9 Answers
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How to create a zip file in Java
I have a dynamic text file that picks content from a database according to the user's query. I have to write this content into a text file and zip it in a folder in a servlet. How should I do this?
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How can I unstage my files again after making a local commit?
I have executed the following command
7 Answers
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Maximum call stack size exceeded error
I am using a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad)
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In CSS what is the difference between “.” and “#” when declaring a set of styles?
What is the difference between # and . when declaring a set of styles for an element and what are the semantics that come into play when deciding which one to use?
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How to append a char to a std::string?
The following fails with the error prog.cpp:5:13: error: invalid conversion from ‘char’ to ‘const char*’
13 Answer...
What's so great about Lisp? [closed]
I don't know enough Lisp to say whether it's good or bad. It seems like everyone who has used Lisp loves it, yet the most popular languages these days are descended from C.
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
Why in this millennium should Python PEP-8 specify a maximum line length of 79 characters?
9 Answers
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