I need to perform numerical analysis like that supported by MatLab or NumPy. Is there a good library that is supported by Scheme/Lisp/Clojure(Java)? I don't want to leave my round braces. Thanks a lot. ...
I am using tomcat 5.5 and configured keystore and added this connector inside server.xml file <Connector port="443" minProcessors="5" maxProcessors="75" enableLookups="true" disableUploadTimeout="true" acceptCount="100" debug="0" scheme="https" secure="true"; clientAuth="false" sslProtocol="TLS"/> But I am not sur...
Is it worth to use Google Web Toolkit for heavy traffic website (something like Youtube, Hulu). If not then what Java framework should be used? ...
hi... i have made an application using java....when i am installing it on my computer ...i want it to run as background process instead of application...if any user try Task manager...then he can not found it in application....it should no listed in application list...it is there in process list.... so please tell me how can i do this .....
Currently I'm building my Java Web Application on Google AppEngine (GAE), but due to a lot of limitations they have I'm afraid that I'm going to have to switch from GAE to my own server which is running Glassfish (or I can setup any other server if needed). Also I'm planning to run Oracle or MySql databases. What do I need to do in order...
I have a project in which my client is asking me to use portlets 1.0 spec and Websphere Portal Server 6.0. I haven't worked with portlets before but what I've heard of them always have been bad critiques. What are the reasons besides the obvious of using them? If not reasons, what arguments could I use to avoid them? ...
I am using Flying Saucer (xhtmlrenderer) to create a PDF that contains a hyperlink. When the PDF is viewed in Adobe Reader it looks as expected, but when viewed in Preview.app on the mac it displays a thin black border around the hyperlink. How do I get Flying Saucer to render the PDF such that this border is not displayed? From some f...
Do check this code: int result = 0; result = result++; System.out.println("Result 1 = " + result); result++; System.out.println("Result 2 = " + result); The output i was expecting was : Result 1 = 1 Result 2 = 2 But i got the output: Result 1 = 0 Result 2 = 1 The problem lies at Line2. Can some one explain on Unary operator.?? ...
Hi everybody. I'm extremely new to java. I'm currently learning by book and have stumbled across the following problem. I noticed that for example when learning about arrays they mention that you can call "arrayname.length" to get the length of that array. I'm trying to look in the online API documentation to see what public variables/m...
Hi, What's the meaning of library dependencies in MANIFEST.MF file stores in Tomcat. I don't understand it, while reading this in book. I need some clarification on it. Why do we ever need to create MANIFEST.MF file in Tomcat, if the jar file in Tomcat is enough to handle all the requirements. Thanks in advance for any valuable sugge...
I remember reading a book named: Java Puzzlers Traps, Pitfalls, and Corner Cases that described odd behavior in Java code. Stuff that look completely innocent but in actuality perform something completely different than the obvious. One example was: (EDIT: This post is NOT a discussion on this particular example. This was the firs...
I have a piece of code that load a very big image in memory. So it seemed like a reasonable thing to call System.gc(); before loading the image. From what I can tell it works with no issues. Yesterday i decided to use a pretty useful piece of software called FindBugs that scans your code and reports back issues that might cause bugs...
I have a certain object type that is stored in a database. This type now gets additional information associated with it which will differ in structure among instances. Although for groups of instances the information will be identically structured, the structure will only be known at runtime and will change over time. I decided to just ...
As I asked I am problem with using DTO,I want to extract data from FormBean and put it into DTO and vice versa,but I don't know the correct way to do it. please help me related to this issue. ...
I have some data processing code which uses the following recipe: Read in as much data as will fit in memory (call this a 'chunk') Perform processing on the chunk Write out processed chunk to disk Repeat ... Merge all the processed chunks to get the final answer. This last stage is most efficient when there are as few chunks as possi...
Hi, I'm searching a nice way to send a java object to my rest web service. It's possible or not ? For sample I wan't to send an "User" Object to my rest : public Class User{ private String name; private String surname; public getName(){ return name; } public setName(String name){ [...] } It's possi...
I'm trying to do some business before a user is magically redirected to download java, in the case where java can't do an inline install (and upgrade java WITH java). Is there any way to tell what deployJava.js will end up doing? I need to handle significant business logic before the user is redirected, and the documentation is scarce as...
Sometimes, while sending a large amount of data via SocketChannel.write(), the underlying TCP buffer gets filled up, and I have to continually re-try the write() until the data is all sent. So, I might have something like this: public void send(ByteBuffer bb, SocketChannel sc){ sc.write(bb); while (bb.remaining()>0){ Thread...
I'm looking for well organized information sources about how the upcoming jsr166y (fork-join, fences) and extras166y (ParallelArray, etc.) can be used - something from tutorial to expert level. ...
I have a dilemma where I want to create an application that manipulates google contacts information. The problem comes down to the fact that Python only supports version 1.0 of the api whilst Java supports 3.0. I also want it to be web-based so I'm having a look at google app engine, but it seems that only the python version of app engi...