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Java: how to convert HashMap to array
I need to convert a HashMap<String, Object> to an array; could anyone show me how it's done?
12 Answers
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How to read lines of a file in Ruby
I was trying to use the following code to read lines from a file. But when reading a file , the contents are all in one line:
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Difference in months between two dates
How to calculate the difference in months between two dates in C#?
40 Answers
40
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What is fastest children() or find() in jQuery?
To select a child node in jQuery one can use children() but also find().
6 Answers
6
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Maximum execution time in phpMyadmin
When I try to execute (some) queries in phpMyadmin I get this error
12 Answers
12
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How do I rename the android package name? [duplicate]
Pressing Shift+F6 seems only to rename the last directory.
For example , in the project com.example.test it will offer to rename test only. The same applies if I navigate to package name in .java or Manifest file and press Shift+F6.
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Git push failed, “Non-fast forward updates were rejected”
I've edited my GIT repositories via Git Online. After I tried to push my local code changes, I got an error:
12 Answers
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How to change indentation mode in Atom?
I haven't been able to figure this out yet. Atom seems to use spaces as the default indentation mode. I prefer to have tabs instead though. Sublime Text has built in functionality for switching and converting indentation.
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Why must jUnit's fixtureSetup be static?
I marked a method with jUnit's @BeforeClass annotation, and got this exception saying it must be static. What's the rationale? This forces all my init to be on static fields, for no good reason as far as I see.
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What does “O(1) access time” mean?
I have seen this term "O(1) access time" used to mean "quickly" but I don't understand what it means. The other term that I see with it in the same context is "O(n) access time". Could someone please explain in a simple way what these terms mean?
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