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Why doesn't Java allow overriding of static methods?
Why is it not possible to override static methods?
22 Answers
22
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What is the point of interfaces in PHP?
Interfaces allow you to create code which defines the methods of classes that implement it. You cannot however add any code to those methods.
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List comprehension vs. lambda + filter
I happened to find myself having a basic filtering need: I have a list and I have to filter it by an attribute of the items.
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How do you get git to always pull from a specific branch?
...h several different projects. In each project, I always git clone [repository] and from that point, can always git pull , so long as I don't have outstanding changes, of course.
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What is the difference between sigaction and signal?
I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
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How do I manage conflicts with git submodules?
...have a git superproject that references several submodules and I am trying to lock down a workflow for the rest of the my project members to work within.
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Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail
What would be a good way to attempt to load the hosted jQuery at Google (or other Google hosted libs), but load my copy of jQuery if the Google attempt fails?
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PHP and MySQL - how to avoid password in source code? [duplicate]
I have a small PHP application storing data in a MySQL database. Currently username / password are hard-coded in the PHP code. A situation I do not really like, for example, since the code is also available in a repository.
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Java Programming - Where should SQL statements be stored? [closed]
Where should an JDBC-compliant application store its SQL statements and why?
15 Answers
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Test if string is a number in Ruby on Rails
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is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, then you need to define is_number? as an extension of the String class, like so:
class String
def is_number?
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