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Interfaces vs. abstract classes [duplicate]
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The advantages of an abstract class are:
Ability to specify default implementations of methods
Added invariant checking to functions
Have slightly more control in how the "interface" methods are called
Ability to provide behavi...
Break a previous commit into multiple commits
... directory: git status should show no pending modifications, deletions, or additions.
Now, you have to decide which commit(s) you want to split.
A) Splitting the most recent commit
To split apart your most recent commit, first:
$ git reset HEAD~
Now commit the pieces individually in the usual ...
Difference between window.location.href, window.location.replace and window.location.assign
...new URL. The replace method on the other hand navigates to the URL without adding a new record to the history.
So, what you have read in those many forums is not correct. The assign method does add a new record to the history.
Reference: http://developer.mozilla.org/en/window.location
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
...h, and fall into the trap of first building some vector classes and slowly adding in functionality until they get caught building a half-assed custom linear algebra library, and depending on it.
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Ruby : How to write a gem? [closed]
...Gemcutter and Jeweler Railscast.
Hoe - From the guys at seattlrb.
gem-this adds a bunch of helpful rake tasks.
Some tutorials/guides:
Creating Your First Gem
Using bundler and rvm to build a rubygem - Using bundler and rvm to create a gem
Gem Packaging: Best Practices
Ruby Gem Recipe - Intro gui...
php implode (101) with quotes
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Rafe KettlerRafe Kettler
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is it possible to `git status` only modified files?
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Lily BallardLily Ballard
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Git command to display HEAD commit id?
What command can I use to print out the commit id of HEAD?
9 Answers
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Update relationships when saving changes of EF4 POCO objects
...ion on single entity is easy task. You just need to attach entity and call AddObject for inserting, DeleteObject for deleting or set state in ObjectStateManager to Modified for updating. The real pain comes when you have to deal with object graph instead of single entity. This pain is even worse whe...
Addition for BigDecimal
... BigDecimal is immutable so you need to do this:
BigDecimal result = test.add(new BigDecimal(30));
System.out.println(result);
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