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UnboundLocalError on local variable when reassigned after first use
... The variable scope decision is made by the compiler, which normally runs once when you first start the program. However it is worth keeping in mind that the compiler might also run later if you have "eval" or "exec" statements in your program.
– Greg Hewgill
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What does PermGen actually stand for?
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"In JDK 7, interned strings are no longer allocated in the permanent generation of the Java heap": oracle.com/technetwork/java/javase/jdk7-relnotes-418459.html
– almalkawi
Dec 20 '13 at 18:41
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Is there a way to @Autowire a bean that requires constructor arguments?
...he case; I don't necessarily have the ability to modify the code. Additionally, in my example, I'm using a String as the argument, but there are cases where the contructor requires other beans as arguments.
– Eric B.
Jul 19 '11 at 14:59
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Change Activity's theme programmatically
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As docs say you have to call setTheme before any view output. It seems that super.onCreate() takes part in view processing.
So, to switch between themes dynamically you simply need to call setTheme before super.onCreate like this:
public void onCre...
Can you turn off Peek Definition in Visual Studio 2013 and up?
...efinition, I can't find any details on if this is possible. What I would really like is for the Ctrl + Click functionality to go back to opening the definition in its own tab, like in previous versions of VS. Is this possible?
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How can I pull from remote Git repository and override the changes in my local repository? [duplicat
I need to throw away all the changes in my local repository and pull all the code from the remote repository. What is the Git command to do this?
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How to increase scrollback buffer size in tmux?
...t (at least temporarily) changing history-limit (though show-option (especially in 1.7 and later) can help with retrieving the current value so that you restore it later).
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Why can't I call read() twice on an open file?
...ntents of a given file twice using the read() method. Strangely, when I call it the second time, it doesn't seem to return the file content as a string?
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How can I git stash a specific file?
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Not the most user-friendly approach, but it gets the work done if you really need it.
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Cast List to List
...List<Apple>();
List<IFruit> fruit = apples; // Fortunately not allowed
fruit.Add(new Banana());
// Eek - it's a banana!
Apple apple = apples[0];
Now you can convert a List<Apple> to an IEnumerable<IFruit> in .NET 4 / C# 4 due to covariance, but if you want a List<IFruit...