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Android: Remove all the previous activities from the back stack

...or Intent.FLAG_ACTIVITY_CLEAR_TASK startActivity(i) However, it requires API level >= 11. share | improve this answer | follow | ...
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Animate change of view background color on Android

...; See Roman's answer for another solution using the Property Animation API, which wasn't available at the time this answer was originally posted. share | improve this answer | ...
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What is JNDI? What is its basic use? When is it used?

... and Directory InterfaceTM (JNDI) is an application programming interface (API) that provides naming and directory functionality to applications written using the JavaTM programming language. It is defined to be independent of any specific directory service implementation. Thus a variety of director...
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Take a char input from the Scanner

... There is no API method to get a character from the Scanner. You should get the String using scanner.next() and invoke String.charAt(0) method on the returned String. Scanner reader = new Scanner(System.in); char c = reader.next().charAt...
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Is it valid to define functions in JSON results?

... real, or floating point) String (double-quoted Unicode with backslash escaping) Boolean (true and false) Array (an ordered sequence of values, comma-separated and enclosed in square brackets) Object (collection of key:value pairs, comma-separated and enclosed in curly braces) null ...
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Posting a File and Associated Data to a RESTful WebService preferably as JSON

... I'm having one of those nights. In an application I am developing RESTful API and we want the client to send data as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image. ...
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Convert seconds value to hours minutes seconds?

...th with time and date values, you need to stop yourself and find the right API in the language at hand. If you just need a HH:MM:SS-type response, you'll be better off with DateUtils.formatElapsedTime... – dovetalk Mar 12 at 21:37 ...
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How to implement the Android ActionBar back button?

... sure your the ActionBar Home Button is enabled in the Activity: Android, API 5+: @Override public void onBackPressed() { ... super.onBackPressed(); } ActionBarSherlock and App-Compat, API 7+: @Override public void onCreate(@Nullable Bundle savedInstanceState) { ... getSupport...
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Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...),仅仅在自己写一些框架和注解框架时会用到,所以对api总是不熟悉。每次用到api都要去网上查,查了后又得自己实验下,很不爽。更差劲的是这样写法可读性十分低下。我不希望这样写反射,我希望反射能像: String str = n...
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Count elements with jQuery

... var count_elements = $('.class').length; From: http://api.jquery.com/size/ The .size() method is functionally equivalent to the .length property; however, the .length property is preferred because it does not have the overhead of a function call. Please see: http...