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Eclipse - no Java (JRE) / (JDK) … no virtual machine
I am trying to get Eclipse v3.5 (Galileo) to re-run on my computer - I have run it before with no problems, but now I keep getting this error:
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Setting an environment variable before a command in Bash is not working for the second command in a
In a given shell, normally I'd set a variable or variables and then run a command. Recently I learned about the concept of prepending a variable definition to a command:
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How do I remove a submodule?
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Since git1.8.3 (April 22d, 2013):
There was no Porcelain way to say "I no longer am interested in this submodule", once you express your interest in a submodule with "submodule init".
"submodule deinit" is the way to do ...
How to Get True Size of MySQL Database?
I would like to know how much space does my MySQL database use, in order to select a web host.
I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this:
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How to use @Nullable and @Nonnull annotations more effectively?
I can see that @Nullable and @Nonnull annotations could be helpful in preventing NullPointerException s but they do not propagate very far.
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Split string in Lua?
I need to do a simple split of a string, but there doesn't seem to be a function for this, and the manual way I tested didn't seem to work. How would I do it?
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Why (0-6) is -6 = False? [duplicate]
Today I tried to debug my project and after a few hours of analysing I'd got this:
4 Answers
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Why in Java 8 split sometimes removes empty strings at start of result array?
Before Java 8 when we split on empty string like
3 Answers
3
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What is the “right” way to iterate through an array in Ruby?
...ll the elements:
array = [1, 2, 3, 4, 5, 6]
array.each { |x| puts x }
Prints:
1
2
3
4
5
6
This will iterate through all the elements giving you the value and the index:
array = ["A", "B", "C"]
array.each_with_index {|val, index| puts "#{val} => #{index}" }
Prints:
A => 0
B => 1
C ...
Java Delegates?
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Not really, no.
You may be able to achieve the same effect by using reflection to get Method objects you can then invoke, and the other way is to create an interface with a single 'invoke' or 'execute' method, and then instantiate them to call the method your interested in (i.e. using an ...