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Checking if a string is empty or null in Java [duplicate]
... special characters eg " " empty too. See java.lang.Character.isWhitespace API
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Using @property versus getters and setters
...l about hiding slow methods behind a @property decorator. The user of your API expects that property access performs like variable access, and straying too far away from that expectation can make your API unpleasant to use.
– defrex
Feb 25 '14 at 17:21
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How to change theme for AlertDialog
... Don't use @android:style/AlertDialog. It is not in the public API. As a consequence, in Android 2.3.3, it crashes when creating the builder.
– Catalin Morosan
Mar 14 '11 at 12:56
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Cleaning up sinon stubs easily
...(dated May 2010) by the author of the sinon library.
The sinon.collection api has changed and a way to use it is the following:
beforeEach(function () {
fakes = sinon.collection;
});
afterEach(function () {
fakes.restore();
});
it('should restore all mocks stubs and spies between tests', fun...
How to tell a Mockito mock object to return something different the next time it is called?
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You could also Stub Consecutive Calls (#10 in 2.8.9 api). In this case, you would use multiple thenReturn calls or one thenReturn call with multiple parameters (varargs).
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mo...
How do I check if the mouse is over an element in jQuery?
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Warning: :hover is not a valid jQuery selector: api.jquery.com/category/selectors (source: bugs.jquery.com/ticket/11574)
– Pang
Sep 24 '15 at 10:49
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Fastest way to convert JavaScript NodeList to Array?
... because NodeLists are not part of the language, they are part of the DOM API, which is known to be buggy/unpredictable especially in IE
– gblazex
Jul 7 '10 at 23:36
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What is the size of ActionBar in pixels?
...attr/actionBarSize (note the lack of android namespace) which works on all API levels.
– Jake Wharton
Jul 4 '13 at 3:27
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Hidden Features of MySQL
...you 10-20M
More here
http://dev.mysql.com/tech-resources/articles/mysql-c-api.html
Download Chapter 7 - Free
InnoDB is transactional but there is a performance overhead that comes with it. I have found MyISAM tables to be sufficient for 90% of my projects.
Non-transaction-safe tables (MyISAM) hav...
How to get just the parent directory name of a specific file
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In Java 7 you have the new Paths api. The modern and cleanest solution is:
Paths.get("C:/aaa/bbb/ccc/ddd/test.java").getParent().getFileName();
Result would be:
C:/aaa/bbb/ccc/ddd
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