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java Programming Glossary: powerThe most efficient way to implement an integer based power function pow(int, int) http://stackoverflow.com/questions/101439/the-most-efficient-way-to-implement-an-integer-based-power-function-powint-int most efficient way to implement an integer based power function pow int int What is the most efficient way given to.. is the most efficient way given to raise an integer to the power of another integer in C 2^3 pow 2 3 8 5^5 pow 5 5 3125 java..
What does the ^ operator do in Java? http://stackoverflow.com/questions/1991380/what-does-the-operator-do-in-java use the traditional bit shifting trick to compute some powers of two. That is 1L k is two to the k th power for k 0..63 ... some powers of two. That is 1L k is two to the k th power for k 0..63 . See also Wikipedia Arithmetic shift Merge note.. specific need you actually don't need to compute various powers of 10. You can use what is called the Horner's scheme which..
How do you determine the ideal buffer size when using FileInputStream? http://stackoverflow.com/questions/236861/how-do-you-determine-the-ideal-buffer-size-when-using-fileinputstream as well. This is why you see most buffers sized as a power of 2 and generally larger than or equal to the disk block size...
How to limit setAccessible to only “legitimate” uses? http://stackoverflow.com/questions/2481862/how-to-limit-setaccessible-to-only-legitimate-uses &ldquo legitimate&rdquo uses The more I learned about the power of java.lang.reflect.AccessibleObject.setAccessible the more..
When to choose checked and unchecked exceptions http://stackoverflow.com/questions/27578/when-to-choose-checked-and-unchecked-exceptions but unpreventable The caller did everything within their power to validate the input parameters but some condition outside..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it let the compiler does all the work for you harnessing the power of Java generics. List String names new ArrayList String names.add..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer y 8 0xffL y 16 if bad255 int y return false Divide out powers of 4 using binary search if n 0xffffffffL 0 n 32 if n 0xffffL.. some modifications. Before doing that I divide out all powers of 2 with a binary search if x & 4294967295LL 0 x 32 if x &.. x each square root is accurate modulo a larger and larger power of 2 namely t 2. At the end r and t 2 r will be square roots..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog lock to prevent CPU from going off if the user presses the power button during download PowerManager pm PowerManager context.getSystemService..
Why use a prime number in hashCode? http://stackoverflow.com/questions/3613102/why-use-a-prime-number-in-hashcode
Why not use Double or Float to represent currency? http://stackoverflow.com/questions/3730019/why-not-use-double-or-float-to-represent-currency numbers can be seen in fact as exact fractions of a power of ten. For instance 10.45 really is 1045 10^2 . And just as.. fractions can't be represented exactly as a fraction of a power of ten 1 3 comes to mind some of them can't be represented exactly.. of them can't be represented exactly as a fraction of a power of two either. As a simple example you simply cannot store 0.1..
Java EE 6: How to implement “Stay Logged In” when user login in to the web application http://stackoverflow.com/questions/5082846/java-ee-6-how-to-implement-stay-logged-in-when-user-login-in-to-the-web-appli config security role description Admin who has ultimate power over everything description role name ADMINISTRATOR role name..
Is System.nanoTime() completely useless? http://stackoverflow.com/questions/510462/is-system-nanotime-completely-useless Windows XP Service Pack 2 changed things to use the power management timer PMTimer rather than the processor timestamp.. vary and hence its relationship to elapsed time based on power management settings. So on Windows this was a problem up until..
How to add hyperlink in JLabel http://stackoverflow.com/questions/527719/how-to-add-hyperlink-in-jlabel
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing? http://stackoverflow.com/questions/7229226/should-i-avoid-the-use-of-setpreferredmaximumminimumsize-methods-in-java-swi on my layout yes there are LayoutManager with are powerful enough to satisfy a very good approximation to all layout..
Why does the JTable header not appear in the image? http://stackoverflow.com/questions/7369814/why-does-the-jtable-header-not-appear-in-the-image the goal. Using camickr's method you leverage the further power of the ScreenImage API. Using kleopatra's method about a dozen..
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