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Best implementation for hashCode method for a collection
...velopers looking at the java.util.Objects class, it was only introduced in API 19, so make sure you're running on KitKat or above otherwise you'll get NoClassDefFoundError.
– Andrew Kelly
Feb 5 '15 at 5:30
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How does a PreparedStatement avoid or prevent SQL injection?
... is returned to user as ResultSet object.
Behaviour of PreparedStatement API on above steps
PreparedStatements are not complete SQL queries and contain placeholder(s),
which at run time are replaced by actual user-provided data.
Whenever any PreparedStatment containing placeholders is passed in...
How do I convert a hexadecimal color to rgba with the Less compiler?
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For the record this is a flaw in the API. I have to look it up every time I want to use it. It would be wise of them to sugar up the existing RGBA into a LESS call like SASS does -- rgba(@colorValue, .5) such that it would output the same exact hing as an actual...
How can I style an Android Switch?
The switch widget introduced in API 14 is styled by default with holo theme.
I want to style it slightly different, changing its colors and shape a bit for branding reasons. How does one go about this? I know it must be possible, as ive seen the difference between default ICS and Samsung's touchwiz ...
what is difference between success and .done() method of $.ajax
... changes; done/fail/always are based on jQuery Deferred state changes. See api.jquery.com/category/deferred-object.
– mickeyreiss
Dec 29 '12 at 2:22
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What is an EJB, and what does it do?
...inciples are the same. Spring took ideas from EJBs and vice-versa. But the API, implementation, way to deploy, and some features are different.
– JB Nizet
Feb 22 '15 at 11:32
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What Makes a Good Unit Test? [closed]
...e classes from a third-party vendor, especially the one supplying the core APIs of the framework you code in. E.g., don't test adding an item to the vendor's Hashtable class.
Consider using a code coverage tool such as NCover to help discover edge cases you have yet to test.
Try writing the test bef...
What's the Best Way to Shuffle an NSMutableArray?
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If you import GameplayKit, there is a shuffled API:
https://developer.apple.com/reference/foundation/nsarray/1640855-shuffled
let shuffledArray = array.shuffled()
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
... lat/lng values as "Float" with a length of "10,6"
http://code.google.com/apis/maps/articles/phpsqlsearch.html
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Practical use of `stackalloc` keyword
...I just want to point out that
Stackalloc can also be used to call native APIs
Many native functions requires the caller to allocate a buffer to get the return result. For example, the CfGetPlaceholderInfo function in cfapi.h has the following signature.
HRESULT CfGetPlaceholderInfo(
HANDLE ...