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java Programming Glossary: hashesHow to speed up Java VM (JVM) startup time? http://stackoverflow.com/questions/1491325/how-to-speed-up-java-vm-jvm-startup-time connect and use it when needed then throw it away. Drip hashes the JVM options and stores information about how to connect..
What is a good 64bit hash function in Java for textual strings? http://stackoverflow.com/questions/1660501/what-is-a-good-64bit-hash-function-in-java-for-textual-strings the answer of @brianegge there are not much usecases for hashes with more than 32 bits and most likely not a single one for.. more than 32 bits and most likely not a single one for hashes with more than 64 bits I could imagine a huge hashtable distributed..
Fast algorithm for searching for substrings in a string http://stackoverflow.com/questions/1765579/fast-algorithm-for-searching-for-substrings-in-a-string variable length patterns I used a modified Rabin Karp that hashes the first n characters of each pattern where n is the length..
Why do I need to override the equals and hashCode methods in Java? http://stackoverflow.com/questions/2265503/why-do-i-need-to-override-the-equals-and-hashcode-methods-in-java problem is that equals was not redefined so when the map hashes second and iterates through the bucket looking if there is an..
Why doesn't String's hashCode() cache 0? http://stackoverflow.com/questions/2310498/why-doesnt-strings-hashcode-cache-0 cache 0 What is the probability that a Java string hashes to 0 What's the best way to avoid the performance penalty of..
Explanation of HashMap#hash(int) method http://stackoverflow.com/questions/2414117/explanation-of-hashmaphashint-method justification behind it to generate uniformly distributed hashes Applies a supplemental hash function to a given hashCode which.. offers a hint HashMap uses power of two length tables and hashes keys by masking away the higher bits and taking only the lower..
How can I avoid garbage collection delays in Java games? (Best Practices) [closed] http://stackoverflow.com/questions/2484079/how-can-i-avoid-garbage-collection-delays-in-java-games-best-practices ArrayList for my objects now. If I ever want trees or hashes in an inner loop I know that I need to be careful or even reimplement..
Good Hash Function for Strings http://stackoverflow.com/questions/2624192/good-hash-function-for-strings hashtable hashcode share improve this question Usually hashes wouldn't do sums otherwise stop and pots will have the same.. by a prime number makes it more likely to generate unique hashes So you could do something like int hash 7 for int i 0 i strlen..
How do I calculate a good hash code for a list of strings? http://stackoverflow.com/questions/2730865/how-do-i-calculate-a-good-hash-code-for-a-list-of-strings of the CLR and in fact they do. Don't store string hashes in databases and expect them to be the same forever because..
question on GWT, Cookies and webpage directing http://stackoverflow.com/questions/2974100/question-on-gwt-cookies-and-webpage-directing store the passwords in your database as plain text store hashes of the passwords. Use BCrypt for maximum security. That's why.. That's why I wrote that you should compare password hashes not the actual passwords. When the server encounters an invalid..
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? http://stackoverflow.com/questions/332079/in-java-how-do-i-convert-a-byte-array-to-a-string-of-hex-digits-while-keeping-l I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex..
Upload file or InputStream to S3 with a progress callback http://stackoverflow.com/questions/3739626/upload-file-or-inputstream-to-s3-with-a-progress-callback if progress lastUpdate 1024 10 lastUpdate progress int hashes int double progress double size 40 if hashes 40 hashes 40 String.. progress int hashes int double progress double size 40 if hashes 40 hashes 40 String bar StringUtils.repeat # hashes bar StringUtils.rightPad.. int hashes int double progress double size 40 if hashes 40 hashes 40 String bar StringUtils.repeat # hashes bar StringUtils.rightPad..
Java Class that implements Map and keeps insertion order? http://stackoverflow.com/questions/683518/java-class-that-implements-map-and-keeps-insertion-order in java that has key value association but without using hashes. Here is what I'm currently doing Add values to a Hashtable..
Application vulnerability due to Non Random Hash Functions http://stackoverflow.com/questions/8669946/application-vulnerability-due-to-non-random-hash-functions becomes 0 Sripathi Krishnan 1 Empty 2 DoS using poor hashes Hash Collisions and impact on performance When you have hash..
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