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creating a random number using MYSQL
I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
6 A...
How to create a library project in Android Studio and an application project that uses the library p
... (android library) as a module dependency.
Run your project. It will work.
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When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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Count number of objects in list [closed]
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zx8754
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answered Nov 16 '09 at 7:08
JoeyJoey
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Core dump file analysis [duplicate]
What are all the things I will need to check while analyzing a core dump file?
2 Answers
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...w, you can't add a Cat to a List<? extends Animal> because you don't know it's a List<Cat>. You can retrieve a value and know that it will be an Animal, but you can't add arbitrary animals. The reverse is true for List<? super Animal> - in that case you can add an Animal to it safe...
How to set enum to null
...tice for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
public Color myColor = Color.None;
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Alternate FizzBuzz Questions [closed]
...relatively simple programming problems used to weed out candidates, just like FizzBuzz. Here are some of the problems I've seen, in order of increasing difficulty:
Reverse a string
Reverse a sentence ("bob likes dogs" -> "dogs likes bob")
Find the minimum value in a list
Find the maximum value ...
How can you profile a Python script?
...rticular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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How to empty/destroy a session in rails?
...e objects stored within and
initializing a new session object.
Good luck!
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