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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 An...
What are the new documentation commands available in Xcode 5? [closed]
... found as of Xcode 5.0.2
That was generated with this code:
/** First line text.
Putting \\n doesn't create a new line.\n One way to create a newline is by making sure nothing is on that line. Not even a single space character!
@a Italic text @em with @@a or @@em.
@b Bold text with @@b.
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get client time zone from browser [duplicate]
...here a reliable way to get a timezone from client browser? I saw the following links but I want a more robust solution.
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Implementing two interfaces in a class with same method. Which interface method is overridden?
Two interfaces with same method names and signatures. But implemented by a single class then how the compiler will identify the which method is for which interface?
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get just the integer from wc in bash
Is there a way to get the integer that wc returns in bash?
14 Answers
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Python, compute list difference
In Python, what is the best way to compute the difference between two lists?
14 Answers
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Error in plot.new() : figure margins too large, Scatter plot
I've looked in different questions for a solution and I've tried what was suggested but I have not found a solution to make it work.
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How good is Java's UUID.randomUUID?
...t randomized UUIDs have a very, very, very low probability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share?
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SparseArray vs HashMap
I can think of several reasons why HashMap s with integer keys are much better than SparseArray s:
7 Answers
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Why is the Java main method static?
The method signature of a Java main() method is:
37 Answers
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