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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...
Custom checkbox image android
... android x after that I could not customize my checkbox as you said before api level 21 and android:button not works.
– Misagh Aghakhani
Apr 29 '19 at 20:56
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How to use QueryPerformanceCounter?
... safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not really sure how to implement it.
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How to verify that a specific method was not called using Mockito?
...ember how to use. So really mockito shouldn't have included never in their API, its not worth the mental cost.
– B T
Jan 14 '19 at 21:56
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innerText vs innerHTML vs label vs text vs textContent vs outerText
...y of doing things. That is why is is better to use JQuery .text() (http://api.jquery.com/text/) if you do not want to fiddle around.
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Which characters make a URL invalid?
...ISyntaxException in the Java java.net.URI constructor so a URL like http://api.google.com/q?exp=a|b is not allowed and must be encoded instead as http://api.google.com/q?exp=a%7Cb if using Java with a URI object instance.
sh...
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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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
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According to Java 7 API docs cited in this answer, Arrays#Sort() for object arrays now uses TimSort, which is a hybrid of MergeSort and InsertionSort. On the other hand, Arrays#sort() for primitive arrays now uses Dual-Pivot QuickSort. These cha...
Regular expression for floating point numbers
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TL;DR
Use [.] instead of \. and [0-9] instead of \d to avoid escaping issues in some languages (like Java).
Thanks to the nameless one for originally recognizing this.
One relatively simple pattern for matching a floating point number is
[+-]?([0-9]*[.])?[0-9]+
This will match:
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