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Can every recursion be converted into iteration?
...-first traversal can be done using a queue.
So, the answer is: yes. Why: https://stackoverflow.com/a/531721/2128327.
Can any recursion be done in a single loop? Yes, because
a Turing machine does everything it does by executing a single loop:
fetch an instruction,
evaluate it,
goto 1.
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How can you undo the last git add?
Is it possible to unstage the last staged (not committed) change in git ? Suppose there were a lot of files in the current branch, some staged, some not. At some point, some foolish programmer accidentally executed:
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Font size in CSS - % or em?
When setting the size of fonts in CSS, should I be using a percent value ( % ) or em ? Can you explain the advantage?
8 An...
How do I view the type of a scala expression in IntelliJ
The Eclipse scala plugin has a nice feature which shows you the type of a variable when you hover the mouse over it. How do I see the same information with the IntelliJ plugin?
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Patterns for handling batch operations in REST web services?
...he individual request.
Example: (taken from their docs)
Request:
POST https://www.googleapis.com/batch
Accept-Encoding: gzip
User-Agent: Google-HTTP-Java-Client/1.20.0 (gzip)
Content-Type: multipart/mixed; boundary=END_OF_PART
Content-Length: 963
--END_OF_PART
Content-Length: 337
Content-Type...
Can you find all classes in a package using reflection?
...y the Internet Archive, as linked to now. The snippet is also available at https://dzone.com/articles/get-all-classes-within-package.
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How to convert timestamps to dates in Bash?
I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns:
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Detach many subdirectories into a new, separate Git repository
This question is based on Detach subdirectory into separate Git repository
10 Answers
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How to parse float with two decimal places in javascript?
I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00.
Or if it equals 10.6 would be 10.60. Not sure how to do this.
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Remove tracking branches no longer on remote
Is there a simple way to delete all tracking branches whose remote equivalent no longer exists?
34 Answers
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