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java Programming Glossary: cheapWhat are the cases in which it is better to use unconditional AND (& instead of &&) http://stackoverflow.com/questions/11411907/what-are-the-cases-in-which-it-is-better-to-use-unconditional-and-instead-of real life where both sides of the expression were really cheap so it shaved off a nanosecond or two to avoid the branch and.. better. To give specific examples x 0 is going to be super cheap and side effect free. Why bother risking a branch misprediction.. branch misprediction to avoid a test that's going to be so cheap anyway Sure since it's a boolean the end result is going to..
How to check if internet connection is present in java? http://stackoverflow.com/questions/1402005/how-to-check-if-internet-connection-is-present-in-java web service it would be a good idea to have some sort of cheap get the status web method. That way you have a much better idea..
Class with single method — best approach? http://stackoverflow.com/questions/205689/class-with-single-method-best-approach afterwards Creating an instance of a class is a very very cheap operation in most languages so speed is not an issue. Adding..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times an EL expression and invoking a getter method is a very cheap operation so you should generally not worry about this at all...
Why did java have the reputation of being slow? [closed] http://stackoverflow.com/questions/2163411/why-did-java-have-the-reputation-of-being-slow languages Memory allocation and de allocation are fast and cheap. I've seen cases where it is 20 FASTER or more to allocate a..
Ways to save enums in database http://stackoverflow.com/questions/229856/ways-to-save-enums-in-database the enumeration member names are short and hard drives are cheap and it is much more worth it to help when you're having a problem...
What Java FTP client library should I use? [closed] http://stackoverflow.com/questions/295178/what-java-ftp-client-library-should-i-use went wrong especially when an upload does not succeed cheap free to use preferably open source I found this overview of..
When to use LinkedList<> over ArrayList<>? http://stackoverflow.com/questions/322715/when-to-use-linkedlist-over-arraylist Iterating over either kind of List is practically equally cheap. Iterating over an ArrayList is technically faster but unless..
http://stackoverflow.com/questions/3728616/boolean-vs-boolean-in-java will get more methods which will be useful Second one is cheap considering memory expense. Now choose your way share improve..
What is the best library for Java to grid/cluster-enable your application? [closed] http://stackoverflow.com/questions/383920/what-is-the-best-library-for-java-to-grid-cluster-enable-your-application lot and it's an excellent high performance product but not cheap. Terracotta I'm less familiar with. The documentation for Coherence..
How to find a Java Memory Leak http://stackoverflow.com/questions/40119/how-to-find-a-java-memory-leak Ok I've read the answers so far but lets just say I am a cheap bastard meaning I am more interested in learning how to use..
How to generate a random alpha-numeric string http://stackoverflow.com/questions/41107/how-to-generate-a-random-alpha-numeric-string keep one around and reuse it. Here is alternative code for cheap insecure random alpha numeric strings. You can tweak the symbols..
http://stackoverflow.com/questions/453479/how-good-is-java-util-random x ^ x 21 x ^ x 35 x ^ x 4 return x For some very cheap operations this has a period of 2^64 1 zero is not permitted..
what does it mean when they say http is stateless http://stackoverflow.com/questions/4913763/what-does-it-mean-when-they-say-http-is-stateless be very slow opening and closing TCP connections is NOT cheap an overall system can be very very efficient and can scale to..
How to clear/empty Java Stringbuilder http://stackoverflow.com/questions/5192512/how-to-clear-empty-java-stringbuilder
Why does JSF need to save the state of UI components on the server side? http://stackoverflow.com/questions/5474316/why-does-jsf-need-to-save-the-state-of-ui-components-on-the-server-side much memory. Isn't this a concern Memory is particularly cheap. Just give the appserver enough memory. Or if network bandwidth.. the appserver enough memory. Or if network bandwidth is cheaper to you just switch state saving to client side. To find the..
Virtual Memory Usage from Java under Linux, too much memory used http://stackoverflow.com/questions/561245/virtual-memory-usage-from-java-under-linux-too-much-memory-used the disk ie a database is expensive and memory is cheap. If you can trade one for the other do so. share improve this..
How to execute system commands (linux/bsd) using Java http://stackoverflow.com/questions/792024/how-to-execute-system-commands-linux-bsd-using-java commands linux bsd using Java I am attempting to be cheap and execute a local system command uname a in Java. I am looking..
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