... share | improve this answer | follow | edited Sep 20 '18 at 18:08 Mimouni 3,40933 gold ba...

Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]]. ...

... edit please see the answer further down, which is about 18 months newer, and actually solves the problem. This historically once-accurate answer is no longer as accurate. Leaving intact after the break for this reason. - thanks - jcolebrand What edition of VS do you u...

... share | improve this answer | follow | answered Sep 2 '08 at 19:53 ilaila ...

... success or failure. commit() returns true if the save works, false otherwise. apply() was added as the Android dev team noticed that almost no one took notice of the return value, so apply is faster as it is asynchronous. http://developer.android.com/reference/android/content/SharedPreferences....

... share | improve this answer | follow | edited Apr 29 '16 at 3:42 sam 32.3k22 gold badges3...

...x load-file, then press return twice to accept the default filename, which is the current file being edited). You can also just move the point to the end of any sexp and press C-xC-e to execute just that sexp. Usually it's not necessary to reload the whole file if you're just changing a line or two...

... share | improve this answer | follow | edited May 28 '15 at 13:50 A H K 1,6631616 silver ...

How do I delete a certain file in linux if its size is 0. I want to execute this in an crontab without any extra script. 8 ...

The await keyword in C# (.NET Async CTP) is not allowed from within a lock statement. 8 Answers ...