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Java equivalent of unsigned long long?

... @PP.: I don't think it's possible to define sensible rules which allow free interaction between signed and unsigned types when at least one of them has defined wrapping behavior. That having been said, unsigned byte or unsigned short would have caused zero trouble since bytes don't intera...
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How to round up a number to nearest 10?

...$input / 10) * 10; Edit: I've been doing it this way for so long.. but TallGreenTree's answer is cleaner. share | improve this answer | follow | ...
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?

... two beautiful aspects: Divide and conquer: break the problem into two smaller problems. Partition the elements in-place. The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique! ...
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What is a pre-revprop-change hook in SVN, and how do I create it?

... Basically it's a script that is launched before unversioned property is modified on the repository, so that you can manage more precisely what's happening on your repository. There are templates in the SVN distrib for different h...
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How to best display in Terminal a MySQL SELECT returning too many fields?

... Db: mydatabase1 User: myuser1 Select_priv: Y Insert_priv: Y Update_priv: Y ... *************************** 2. row *************************** Host: localhost Db: mydatabase2 User...
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Android emulator shows nothing except black screen and adb devices shows “device offline”

...tor comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while initially "adb devices" shows the emulator as offline.after 2-3 minutes the list of attached devices becomes...
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change text of button and disable button in iOS

...antage of the fact that they are passed in as an argument to the IBAction calls: - (IBAction) triggerActionWithSender: (id) sender; This can be bound to the button and you’ll get the button in the sender argument when the action is triggered. If that’s not enough (because you need to access t...
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How to solve javax.net.ssl.SSLHandshakeException Error?

...grated PayPal with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-end process. Can any one say how to fix this issue? ...
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How to implement the Android ActionBar back button?

... In my situation I was looking for a way to not call onCreate of the parent when returning to it. To do this, I used your implementation, but called finish() instead of NavUtils.navigateUpFromSameTask(this). finish() calls my onStart instead of onCreate which was more ideal...
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Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?

...nsity); } The xml code for the ImageView: <ImageView a:id="@+id/image_box" a:background="#ff0000" a:src="@drawable/star" a:layout_width="wrap_content" a:layout_height="wrap_content" a:layout_marginTop="20dp" a:layout_gravity="center_horizontal"/> Thanks to this di...