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Get battery level and state in Android

How can I get battery level and state (plugged in, discharging, charging, etc)? I researched the developer docs and I found a BatteryManager class. But it doesn't contain any methods, just constants. How do I even use it? ...
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Macro vs Function in C

I always saw examples and cases where using a macro is better than using function. 11 Answers ...
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Is it possible for git-merge to ignore line-ending differences?

...r merge respecting eol, KDiff3 is better than DiffMerge (which will always convert LF into CRLF) # KDiff3 will display eol choices (if Windows: CRLF, if Unix LF) "C:/Program Files/KDiff3/kdiff3.exe" -m "$base" "$alocal" "$remote" -o "$result" else #there is not always a common ancestor: ...
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Jelly Bean DatePickerDialog — is there a way to cancel?

...explanation of the issue. I'm not sure if I should edit the other question and paste this content there, but I'm not comfortable changing someone else's question too much. --- ...
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How to initialise memory with new operator in C++?

I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it? ...
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Why do people still use primitive types in Java?

...ing of primitive types so that int is wrapped to be java.lang.Integer , and so and and so forth. 21 Answers ...
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How to inherit constructors?

Imagine a base class with many constructors and a virtual method 14 Answers 14 ...
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Why is an array not assignable to Iterable?

... Arrays can implement interfaces (Cloneable and java.io.Serializable). So why not Iterable? I guess Iterable forces adding an iterator method, and arrays don't implement methods. char[] doesn't even override toString. Anyway, arrays of references should be considered l...
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What is the purpose of std::make_pair vs the constructor of std::pair?

...hink you can do one = {10, 20} nowadays but I don't have a C++11 compiler handy to check it. – MSalters Feb 14 '12 at 8:11 6 ...
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Android Center text on canvas

... And probably best casting _text.Length to a float as it obviously won't work for odd text lengths. – paj7777 Apr 8 '13 at 9:44 ...