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Singleton with Arguments in Java

...ine arguments?", and the answer is that it makes a lot of sense. One could now say that this is fairly different from a singleton class, except if the class is actually the Main class that does receive the args[] from the main method - then it's even the same thing. The final argument, which might j...
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When to use window.opener / window.parent / window.top

...I've a main page which opens a child using window.open() upon page submit. Now this child window open another child window with the same window.open() closing self. Now when I submit my second child (first child is no more exists), I would like to access the page elements of my main page. Is this po...
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Remove insignificant trailing zeros from a number?

... @w00t Oh, sorry, I understand now. I was the way I tested when I made mine (see link above). Yours doesn't fail when you use toFixed, because the number is guaranteed to have a dot, but it was failing in my tests because I wanted the regex to work for any...
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How can I undo git reset --hard HEAD~1?

...0 deletions(-) create mode 100644 file2 $ git reset --hard HEAD^ HEAD is now at 1a75c1d... added file1 $ cat file2 cat: file2: No such file or directory $ git reflog 1a75c1d... HEAD@{0}: reset --hard HEAD^: updating HEAD f6e5064... HEAD@{1}: commit: added file2 $ git reset --hard f6e5064 HEAD i...
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What are the new documentation commands available in Xcode 5? [closed]

...are. - returns: The number squared. */ Notice how @param is now - parameter. You can also now include bullets in your documentation: /** - square(5) = 25 - square(10) = 100 */ share ...
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C# 'is' operator performance

... I'm with Ian, you probably don't want to do this. However, just so you know, there is very little difference between the two, over 10,000,000 iterations The enum check comes in at 700 milliseconds (approx) The IS check comes in at 1000 milliseconds (approx) I personally wouldn't fix this pro...
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Calculating moving average

... Some years later but dplyr now has a filter function, if you have this package loaded use stats::filter – blmoore Apr 8 '15 at 14:00 ...
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Autowiring two beans implementing same interface - how to set default bean to autowire?

... I forgot to mention in the question that I'm using Spring 2.5 (I have now edited the question) so @Primary is not an option. – simon May 10 '12 at 12:39 1 ...
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In Bash, how can I check if a string begins with some value?

...d also have suggested the Bash-Hackers' wiki, but it's been down for a bit now). – Charles Duffy Oct 21 '17 at 23:19 ...
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how can I add the aidl file to Android studio (from the in-app billing example)

...ng to the directory App_name/app/src/main/aidl/com/android/vending/billing Now go ahead with InApp billing coding and while defining InApp related services you will get an error can not resolve symbol IInAppBillingXXXXXX Now goto to Build from android studio menu , click on Rebuild Project. This wil...