I have two Java instances of java.util.Date and I have to find out if they refer to the same day. I can do this the hard way, taking the dates apart and compare the days, making sure the years match too. Since this is such a common problem, I expect there to be an easier solution to this problem. Thanks! ...
I want to change modification timestamp of a binary file. What is the best way for doing this? Would opening and closing the file be a good option? (I require a solution where the modification of the timestamp will be changed on every platform and JVM). ...
public class Ex7 { private int fld; private void meth(int val) { fld = val; System.out.println(" meth() -> fld = " + fld); } public class Ex7Inner1 { void operateOnFld() { fld = 12; } void operateOnMeth() { meth(10); } public void bar() { ...
Is message passing taking place when calling a function with no input? i.e. with: object.toString(); Am I passing a message to 'object'? This might vary between languages, but I'm specifically referring to Java. ...
I have the following snippet of code: String path = servletContext.getRealPath("/"); Now I got a bugreport from a user saying that the returned path is not an absolute path. The returned path is 'usr/local/...' instead of '/usr/local/...' , so getRealPath seems to be returning a relative path. I can see this, because the returned pat...
Consider this case: public Class1 { public static final String ONE = "ABC"; public static final String TWO = "DEF"; } public Class2 { public void someMethod() { System.out.println(Class1.ONE + Class1.TWO); } } Typically you would expect the compiler to inline the ONE and TWO constants. However, is this behavior guarant...
I am having an issue with this error: **Server returned HTTP response code: 501 for URL: http://dev1:8080/data/xml/01423_01.xml** See this code: private static Map sendRequest(String hostName, String serviceName) throws Exception { Map assets = null; HttpURLConnection connection = null; Authenticator.se...
I have logged in to a website by using WATIJ jar file in java. Now I want to get the page source (HTML code) of the webpage that appeared after login. I have IE instance already. ...
I was trying to create a mouse clicked event of a JmenuItem but it did not work but mouse pressed event works. what is the difference between clicked and pressed and why only pressed works here? ...
I have a situation where a servlet is providing compressed data to a PHP script. I compress the data on the Java side no problem, but PHP seems unable to decompress. Here is the relevent code snippets Java Side: OutputStream o=response.getOutputStream(); GZIPOutputStream gz=new GZIPOutputStream(o); gz.write(GridCoder.encode(rs,id...
I am instantiating a log4j object inside of a class which inherits most of the methods and attributes from a parent class. Right now I'm getting logging messages from the subclass only. How can I get logging messages to output in both the super class and subclass? EDIT: The way I am do the logging is that I have an instance variable i...
Where is the source code for /jre/lib/deploy.jar? I have the source code for other jars like rt.jar (in /src.zip) but not deploy.jar. I need it to debug webstart. I'm using 1.6 on Windows if that makes a difference. ...
I came across a comment in some java code that states that getTime() needs to be called to update the Calendar object. Is this true? I cannot find anything that says that this is necessary. Here's the code: Calendar cal = new GregorianCalendar(); cal.setFirstDayOfWeek(Calendar.SUNDAY); cal.set(2009, 9 - 1, 10, 2, 30); // Get Time needs...
Hi everyone!! My new project is to build an application to use the cell phone camera as the main camera from my PC. How can I do this kind of stuff? I thought of using bluetooth, but how my PC define the cell phone as the main camera? Best reguards. ...
Using Dozer to map two objects, I have: /** /* This first class uses the GXT (ExtJS) framework **/ Class1 extends BaseModelData { public int getId() { return (Integer)get("id"); } public void setId(int id) { set("id", id); } // more properties } Class2 { public int getId() { return i...
Hello, I am trying to use a RequestDispatcher to send parameters from a servlet. Here is my servlet code: protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String station = request.getParameter("station"); String insDate = request.getParameter("insDate"); ...
I'm trying to parse and load an XML document, however I'm getting this exception when I call the parse method on the class that extends XmlObject. Unfortunately, it gives me no ideas of what element is unexpected, which is my problem. I am not able to share the code for this, but I can try to provide more information if necessary. ...
Say i have a java project setup in eclipse. i have all the thirdparty jar's and reading the resources etc set in the eclipse IDE. ie all the classpath etc are set through the IDE Now if i want to launch my app from commandline. Can i get some hints/ links where i can undersand the configuration settings that can be done in Unix / windo...
I need a component/class that throttles execution of some method to maximum M calls in N seconds (or ms or nanos, does not matter). In other words I need to make sure that my method is executed no more than M times in a sliding window of N seconds. If you don't know existing class feel free to post your solutions/ideas how you would im...
How to suspend current thread for 20 seconds in java? ...