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When should you use 'friend' in C++?
I have been reading through the C++ FAQ and was curious about the friend declaration. I personally have never used it, however I am interested in exploring the language.
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Failed binder transaction when putting an bitmap dynamically in a widget
...sed because all the changes to the RemoteViews are serialised (e.g. setInt and setImageViewBitmap ). The bitmaps are also serialised into an internal bundle. Unfortunately this bundle has a very small size limit.
You can solve it by scaling down the image size this way:
public static Bitmap scale...
Lambda Expression and generic method
...ible [..] with a target type T if T is a functional interface type (§9.8) and the expression is congruent with the function type of [..] T. [..] A lambda expression is congruent with a function type if all of the following are
true:
The function type has no type parameters.
[..]
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Using global variables in a function
...erous." Globals are perfectly fine in every language that has ever existed and ever will exist. They have their place. What you should have said is they can cause issues if you have no clue how to program.
– Anthony
Dec 22 '12 at 23:22
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What does Serializable mean?
...that if implemented in a class, this class can automatically be serialized and deserialized by different serializers.
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Python's “in” set operator
... Ok so "is there an element x in s such that hash(b) == hash(x) and x == b"?
– Dejas
Jan 2 '12 at 21:25
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Retrieve the commit log for a specific line in a file?
...v 2008-02-09 23:22:22 -0800 160) "$browser_path" $NEWTAB "$@" &
And you want to know the history of what is now line 155.
Then, use git log. Here, -L 155,155:git-web--browse.sh means "trace the evolution of lines 155 to 155 in the file named git-web--browse.sh".
$ git log --pretty=short...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ime finding a comparison of the different ways to query for a single item, and when to use each.
6 Answers
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What does cmd /C mean? [closed]
I can understand cmd but not cmd /c . I was trying to invoke a java program from the current for which I use Runtime.getRuntime().exec("cmd /C java helloworld"); There arises my doubt.
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C# '@' before a String [duplicate]
... @Mark So any escape sequence in the string would be ignored and treated at literal text?
– Daniel
Feb 2 '11 at 20:07
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