¡@
java Programming Glossary: reduceHow does the String class override the + operator? http://stackoverflow.com/questions/11408427/how-does-the-string-class-override-the-operator may use the StringBuffer class or a similar technique to reduce the number of intermediate String objects that are created by..
How do I increase the number of displayed lines of a Java stack trace dump? http://stackoverflow.com/questions/1167888/how-do-i-increase-the-number-of-displayed-lines-of-a-java-stack-trace-dump the enclosing exception . This shorthand can greatly reduce the length of the output in the common case where a wrapped..
Is shifting bits faster than multiplying and dividing in Java? .NET? http://stackoverflow.com/questions/1168451/is-shifting-bits-faster-than-multiplying-and-dividing-in-java-net if you happen to be using a power of 2. However it can reduce the clarity of code for some readers and some algorithms. Is..
Real differences between “java -server” and “java -client”? http://stackoverflow.com/questions/198577/real-differences-between-java-server-and-java-client The Java HotSpot Client VM has been specially tuned to reduce application start up time and memory footprint making it particularly..
Java/Swing: low-profile button height? http://stackoverflow.com/questions/2899935/java-swing-low-profile-button-height Swing low profile button height I would like to reduce the vertical size of a JButton. The following code works fine.. The following code works fine for K 1 but I can't seem to reduce the size. Any suggestions JButton button ... get button here..
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 16 At this point y is between 0 and 511. More code can reduce it farther. To actually check if the residue is a square I look..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files Tag Library JSTL be used in your web application to help reduce the need for JSP scriptlets in your pages. Pages that use JSTL.. adopting the model view controller MVC design pattern to reduce coupling between the presentation tier from the business logic..
How to deal with “java.lang.OutOfMemoryError: Java heap space” error (64MB heap size) http://stackoverflow.com/questions/37335/how-to-deal-with-java-lang-outofmemoryerror-java-heap-space-error-64mb-heap to either determine what amount of memory you need or to reduce the amount of memory you are using. One common mistake with..
Concatenating null strings in Java http://stackoverflow.com/questions/4260723/concatenating-null-strings-in-java may use the StringBuffer class or a similar technique to reduce the number of intermediate String objects that are created by..
problem using ImageIO.write jpg file http://stackoverflow.com/questions/4386446/problem-using-imageio-write-jpg-file ignores all color profiles. If so then this will reduce the quality of JPEGs that have a correct color profile. share..
Best way to represent a fraction in Java? http://stackoverflow.com/questions/474535/best-way-to-represent-a-fraction-in-java A naive approach would have me add 2 12 and 6 12 and then reduce. How can I achieve a common denominator with the least performance.. with given numerator and denominator. Fraction will be reduced to lowest terms. If fraction is negative negative sign will.. numerator.negate denominator denominator.negate create a reduced fraction BigInteger gcd numerator.gcd denominator this.numerator..
Fast transcendent / trigonometric functions for Java http://stackoverflow.com/questions/523531/fast-transcendent-trigonometric-functions-for-java to be less accurate at least. You may need to range reduce the argument first see John Cook's suggestions . The book also..
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 and the only cures for swapping are 1 buy more memory or 2 reduce the number of processes so it's best to ignore this number... is important and there are some steps that you can take to reduce that. More important is the amount of time that you spend in..
Java - get pixel array from image http://stackoverflow.com/questions/6524196/java-get-pixel-array-from-image than the first approach. In my application I was able to reduce the time of processing the pixels by more than 90 by just switching..
Solving a “communications link failure” with jdbc and mysql http://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql
Why are static variables considered evil? http://stackoverflow.com/questions/7026507/why-are-static-variables-considered-evil with 10 000 instances of the class right Moreover statics reduce the inter dependencies on the other parts of the code. They..
Java outofmemoryerror when creating <100 threads http://stackoverflow.com/questions/10742634/java-outofmemoryerror-when-creating-100-threads mode the process size limit was hit # Possible solutions # Reduce memory load on the system # Increase physical memory or swap..
How can I make a cell in a ListView in Android expand and contract vertically when it's touched? http://stackoverflow.com/questions/12522348/how-can-i-make-a-cell-in-a-listview-in-android-expand-and-contract-vertically-wh of a view. The animation toggles between the Expand and Reduce depending on the current state of the view @author Udinic public..
Compiler optimization: Java bytecode http://stackoverflow.com/questions/1680024/compiler-optimization-java-bytecode Remove unused code blocks. Merge identical code blocks. Reduce variable allocation. Remove write only fields and unused method..
MultipleOutputFormat in hadoop http://stackoverflow.com/questions/3491105/multipleoutputformat-in-hadoop ` and my reduce class became this public static class Reduce extends MapReduceBase implements Reducer Text IntWritable Text.. class became this public static class Reduce extends MapReduceBase implements Reducer Text IntWritable Text IntWritable MultipleOutputs.. static class Reduce extends MapReduceBase implements Reducer Text IntWritable Text IntWritable MultipleOutputs mos null..
Static factory method for constructors http://stackoverflow.com/questions/4029622/static-factory-method-for-constructors Can return an instance of a derived class if appropriate. Reduce verbosity when instantiating variables of generic types. Another..
How do I write a correct micro-benchmark in Java? http://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java about what makes something faster or slower. Rule 7 Reduce noise in your measurements. Run your benchmark on a quiet machine..
Simple Java Map/Reduce framework http://stackoverflow.com/questions/5260212/simple-java-map-reduce-framework Java Map Reduce framework Can anyone point me at a simple open source Map Reduce.. framework Can anyone point me at a simple open source Map Reduce framework API for Java There doesn't seem to much evidence of.. know different. The best I can find is of course Hadoop MapReduce but that fails the simple criteria. I don't need the ability..
How to stop a music Clip in Java? http://stackoverflow.com/questions/5833553/how-to-stop-a-music-clip-in-java FloatControl.Type.MASTER_GAIN gainControl.setValue 50.0f Reduce volume IN DECIBELS clip.start Stuff you might need to know..
What is the fastest way to bulk load data into HBase programmatically? http://stackoverflow.com/questions/8750764/what-is-the-fastest-way-to-bulk-load-data-into-hbase-programmatically HBase Java client . My current solution is based on a MapReduce job without the Reduce part. I use FileInputFormat to read the.. current solution is based on a MapReduce job without the Reduce part. I use FileInputFormat to read the text file so that each.. 0.15 Job job new Job conf job.setJarByClass BulkLoadMapReduce.class job.setJobName NAME TextInputFormat.setInputPaths job..
Audio volume control (increase or decrease) in Java http://stackoverflow.com/questions/953598/audio-volume-control-increase-or-decrease-in-java FloatControl.Type.MASTER_GAIN gainControl.setValue 10.0f Reduce volume by 10 decibels. clip.start share improve this answer..
|