Tutorial by Topics

Bluetooth Classic is available from Android 2.0 (API level 5) and above. Bluetooth LE is available from Android 4.3 (API level 18) and above.

Note that using recursion can have a severe impact on your code, as each recursive function call will be appended to the stack. If there are too many calls this could lead to a StackOverflowException. Most "natural recursive functions" can be written as a for, while or foreach loop cons...

Apache Log4j is a Java-based logging utility, it is one of several Java logging frameworks. This topic is to show how to setup and configure Log4j in Java with detailed examples on all of its possible aspects of usage. Logger.debug("text to log"); // Logging debugging info Logger.in...

This section provides an overview of what parse.com is, and why a developer might want to use it. It should also mention any large subjects within parse.com, and link out to the related topics. Since the Documentation for parse.com is new, you may need to create initial versions of those related...

There a few things to note: The names args and kwargs are used by convention, they are not a part of the language specification. Thus, these are equivalent: def func(*args, **kwargs): print(args) print(kwargs) def func(*a, **b): print(a) print(b) You may...

This section provides an overview of what facebook is, and why a developer might want to use it. It should also mention any large subjects within facebook, and link out to the related topics. Since the Documentation for facebook is new, you may need to create initial versions of those related to...

digitalWrite(pin, value)

Action Mailer allows you to send emails from your application using mailer classes and views. Mailers work very similarly to controllers. They inherit from ActionMailer::Base and live in app/mailers, and they have associated views that appear in app/views. It is advisable to process the sendin...

NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:PATTERN options:OPTIONS error:ERROR]; NSArray<NSTextCheckingResult *> *results = [regex matchesInString:STRING options:OPTIONS range:RANGE_IN_STRING]; NSInteger numberOfMatches = [regex numberOfMatchesInString:S...

#include <errno.h> int errno; /* implementation defined */ #include <string.h> char *strerror(int errnum); #include <stdio.h> void perror(const char *s); Have in mind that errno is not necessarily a variable but that the syntax is only an indication how it might been ...

string serialize ( mixed $value ) ParameterDetailsvalueThe value to be serialized. serialize() handles all types, except the resource-type. You can even serialize() arrays that contain references to itself. Circular references inside the array/object you are serializing will also be stored. ...