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Algorithm to generate all possible permutations of a list?
... at which point there is only one possible order.
So with the list [1,2,3,4] all the permutations that start with 1 are generated, then all the permutations that start with 2, then 3 then 4.
This effectively reduces the problem from one of finding permutations of a list of four items to a list of ...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... Display display = PlatformUI.createDisplay();
3 try {
4 int returnCode = PlatformUI.createAndRunWorkbench(display, new ApplicationWorkbenchAdvisor());
5 if (returnCode == PlatformUI.RETURN_RESTART) {
6 return IPlatformRun...
add created_at and updated_at fields to mongoose schemas
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As of Mongoose 4.0 you can now set a timestamps option on the Schema to have Mongoose handle this for you:
var thingSchema = new Schema({..}, { timestamps: true });
You can change the name of the fields used like so:
var thingSchema = n...
How can I set the WiX installer version to the current build version?
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Jamie Kitson
3,60144 gold badges2727 silver badges4343 bronze badges
answered Mar 13 '09 at 0:52
Rob MenschingRob Mensc...
String literals: Where do they go?
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edited Apr 7 '10 at 4:34
answered Apr 7 '10 at 4:16
R...
Easy way to see saved NSUserDefaults?
...of them. So you need to find your app binary:
find . -name foo.app
./1BAB4C83-8E7E-4671-AC36-6043F8A9BFA7/foo.app
Then go to the Library/Preferences directory in the GUID directory. So:
cd 1BAB4C83-8E7E-4671-AC35-6043F8A9BFA7/Library/Preferences
You should find a file that looks like:
<B...
Javascript roundoff number to nearest 0.5
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edited Jun 25 '15 at 15:45
saeraphin
38511 silver badge99 bronze badges
answered May 26 '11 at 11:56
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Python time measure function
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242
First and foremost, I highly suggest using a profiler or atleast use timeit.
However if you wan...