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Java HashMap performance optimization / alternative
...around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object:
public int hashCode() {
// assume that both a an...
Map function in MATLAB?
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The short answer: the built-in function arrayfun does exactly what your map function does for ...
How to center the content inside a linear layout?
... android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center" >
<ImageView
android:id="@+id/imageButton_speak"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
andr...
Eclipse: Referencing log4j.dtd in log4j.xml
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I know this question has been answered, but I'd like to provide my slightly different alternat...
how to log in to mysql and query the database from linux terminal
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Getting the class name from a static method in Java
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Hash collision in git
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Picking atoms on 10 Moons
An SHA-1 hash is a 40 hex character string... that's 4 bits per char...
Bogus foreign key constraint fail
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Two possibilities:
There is a table within another schema ("database" in mysql terminology) ...
Branch from a previous commit using Git
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