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How do I enable/disable log levels in Android?

... A common way is to make an int named loglevel, and define its debug level based on loglevel. public static int LOGLEVEL = 2; public static boolean ERROR = LOGLEVEL > 0; public static boolean WARN = LOGLEVEL > 1; ... public static boolean VERBOSE = LOGLEVEL > 4; ...
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How to nicely format floating numbers to String without unnecessary decimal 0?

...f the idea is to print integers stored as doubles as if they are integers, and otherwise print the doubles with the minimum necessary precision: public static String fmt(double d) { if(d == (long) d) return String.format("%d",(long)d); else return String.format("%s",d); } ...
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What's the difference between “mod” and “remainder”?

My friend said that there are differences between "mod" and "remainder". 5 Answers 5 ...
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Is it worth using Python's re.compile?

...ience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible. EDIT: After a quick glance at the actual P...
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Check if a Class Object is subclass of another Class Object in Java

I'm playing around with Java's reflection API and trying to handle some fields. Now I'm stuck with identifying the type of my fields. Strings are easy, just do myField.getType().equals(String.class) . The same applies for other non-derived classes. But how do I check derived classes? E.g. LinkedLi...
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Difference between EXISTS and IN in SQL?

What is the difference between the EXISTS and IN clause in SQL? 21 Answers 21 ...
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How to compare type of an object in Python?

...ty of details of why checking the type of an object is usually a bad idea, and what you probably should be doing instead. – Jeff Shannon Apr 2 '09 at 9:28 2 ...
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How to write a scalable Tcp/Ip based server

... HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks). ...
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Why is f(i = -1, i = -1) undefined behavior?

I was reading about order of evaluation violations , and they give an example that puzzles me. 11 Answers ...
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IOException: read failed, socket might closed - Bluetooth on Android 4.3

...trange Exception when opening a BluetoothSocket on my Nexus 7 (2012), with Android 4.3 (Build JWR66Y, I guess the second 4.3 update). I have seen some related postings (e.g. https://stackoverflow.com/questions/13648373/bluetoothsocket-connect-throwing-exception-read-failed ), but none seems to prov...