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How to print binary tree diagram?
How can I print a binary tree in Java so that the output is like:
28 Answers
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input type=file show only button
Is there a way to style (or script) <input type=file /> element to have visible only "Browse" button without text field?
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How to extract numbers from a string in Python?
I would extract all the numbers contained in a string. Which is the better suited for the purpose, regular expressions or the isdigit() method?
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Which letter of the English alphabet takes up most pixels?
I am trying to do some dynamic programming based on the number of characters in a sentence. Which letter of the English alphabet takes up the most pixels on the screen?
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Installing PG gem on OS X - failure to build native extension
It seems many others have had problems installing the pg gem. None of the solutions posed for others have worked for me.
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“405 method not allowed” in IIS7.5 for “PUT” method
I use WebClient type to upload *.cab files to my server. On the server side, I registered a HTTP handler for *.cab file with the PUT method as below:
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Do you use NULL or 0 (zero) for pointers in C++?
In the early days of C++ when it was bolted on top of C, you could not use NULL as it was defined as (void*)0 . You could not assign NULL to any pointer other than void* , which made it kind of useless. Back in those days, it was accepted that you used 0 (zero) for null pointers.
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How do I get a plist as a Dictionary in Swift?
I am playing around with Apple's new Swift programming language and have some problems...
26 Answers
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Calculating sum of repeated elements in AngularJS ng-repeat
The script below displays a shop cart using ng-repeat . For each element in the array, it shows the item name, its amount and the subtotal ( product.price * product.quantity ).
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Why is creating a Thread said to be expensive?
The Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the statement as true, but I'm just interested in mechanics of Thread creation in JVM.
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