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Better way to revert to a previous SVN revision of a file?
I accidentally committed too many files to an SVN repository and changed some things I didn't mean to. (Sigh.) In order to revert them to their prior state, the best I could come up with was
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java.lang.RuntimeException: Unable to instantiate activity ComponentInfo
I was trying to run a sample code
While launching the application in the android 1.5 emulator , I got these errors....
Any one have some hint..?
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How do I set up IntelliJ IDEA for Android applications?
How do I set up IntelliJ IDEA for Android applications?
7 Answers
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Big-oh vs big-theta [duplicate]
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Big-O is an upper bound.
Big-Theta is a tight bound, i.e. upper and lower bound.
When people only worry about what's the worst that can happen, big-O is sufficient; i.e. it says that "it can't get much worse than this". The tighter the bound the better, of course, but a tight bound isn't...
How do I use cascade delete with SQL Server?
I have 2 tables: T1 and T2, they are existing tables with data. We have a one to many relationship between T1 and T2. How do I alter the table definitions to perform cascading delete in SQL Server when a record from T1 is deleted, all associated records in T2 also deleted.
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Rolling back local and remote git repository by 1 commit
I've read the similar posts on this topic, and can't for the life of me figure out how to do this properly.
14 Answers
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Generate sql insert script from excel worksheet
...e:
SET NOCOUNT ON
To forego showing all the '1 row affected' comments. And if you are doing a lot of rows and it errors out, put a GO between statements every once in a while
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Avoid synchronized(this) in Java?
...unts to is that this use of this is part of your class' exposed interface, and should be documented. Sometimes the ability of other code to use your lock is desired. This is true of things like Collections.synchronizedMap (see the javadoc).
All synchronized methods within the same class use the...
Difference between the Facade, Proxy, Adapter and Decorator design patterns? [closed]
What is the difference between the Facade, Proxy, Adapter, and Decorator design patterns?
2 Answers
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What is the meaning of the term “thread-safe”?
...must satisfy the need for multiple threads to access the same shared data, and the need for a shared piece of data to be accessed by only one thread at any given time.
There are a few ways to achieve thread safety:
Re-entrancy:
Writing code in such a way that it can be partially exec...