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Can an int be null in Java?
Can an int be null in Java?
15 Answers
15
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Git push won't do anything (everything up-to-date)
I'm trying to update a Git repository on GitHub. I made a bunch of changes, added them, committed then attempted to do a git push . The response tells me that everything is up to date, but clearly it's not.
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Why is a 3-way merge advantageous over a 2-way merge?
... is less error-prone than a 2-way merge, and often times doesn't need user intervention. Why is this the case?
4 Answers
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How to get diff working like git-diff?
I like the output formatting of git diff . The color and the + / - representation of changes between lines is easier to read than GNU diff.
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Difference: std::runtime_error vs std::exception()
...::exception ? What is the appropriate use for each? Why are they different in the first place?
2 Answers
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How do I implement an Objective-C singleton that is compatible with ARC?
How do I convert (or create) a singleton class that compiles and behaves correctly when using automatic reference counting (ARC) in Xcode 4.2?
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How can I make a multipart/form-data POST request using Java?
In the days of version 3.x of Apache Commons HttpClient, making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
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std::string length() and size() member functions
I was reading the answers for this question and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is ...
How can I increment a char?
I'm new to Python, coming from Java and C. How can I increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars.
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Android: How to change CheckBox size?
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You just need to set the related drawables and set them in the checkbox:
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="new checkbox"
android:background="@drawable/my_checkbox_background"
android:button="...
