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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?

... places like inside a catch statement. You know that an error has occurred and therefore you're logging an error. Log.w: Use this when you suspect something shady is going on. You may not be completely in full on error mode, but maybe you recovered from some unexpected behavior. Basically, use this ...
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What is __future__ in Python used for and how/when to use it, and how it works

__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc . ...
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Adding HTML entities using CSS content

...haracters being interpreted as part of the escape sequence reliably, add standard white-space: '>\a0 bc' is displayed > bc. – PointedEars Dec 21 '11 at 19:41 ...
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Why is volatile not considered useful in multithreaded C or C++ programming?

...appens (that the compiler won't just store the value in a register instead and defer updating main memory until much later) that no reordering takes place. Assume that we use a volatile variable as a flag to indicate whether or not some data is ready to be read. In our code, we simply set the flag a...
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How come a non-const reference cannot bind to a temporary object?

...ct, which function getx() returns? Clearly, this is prohibited by C++ Standard but I am interested in the purpose of such restriction, not a reference to the standard. ...
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This version of the application is not configured for billing through Google Play

... is the list of requirements for the Google IAB testing. Prerequisites: AndroidManifest must include "com.android.vending.BILLING" permission. APK is built in release mode. APK is signed with the release certificate(s). (Important: with "App Signing by Google Play" it only works if you download d...
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How can I output a UTF-8 CSV in PHP that Excel will read properly?

...s got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at the head of my document: ...
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Using Django time/date widgets in custom form

How can I use the nifty JavaScript date and time widgets that the default admin uses with my custom view? 16 Answers ...
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Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?

I have a method that accepts a block and a completion block. The first block should run in the background, while the completion block should run in whatever queue the method was called. ...
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SSH library for Java [closed]

...e Java Secure Channel (JSCH) is a very popular library, used by maven, ant and eclipse. It is open source with a BSD style license. share | improve this answer | follow ...