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  • Video conversion in java

    - by Maksim
    Is there any framework or open source project for Java that does video conversion from any video format to any video format. Something similar to Panda Video Conversion framework.

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  • Great non-obvious java tricks

    - by folone
    Consider having a class: public class Test { public static void main(String [] args) { for (int i = 0; i < args.length; i++) { System.out.println(args[i]); } } } What happens if you run it: java Test *? Answer: it prints out all the filenames in current directory. Got more such tricks?

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  • how to redirect stdin to java Runtime.exec ?

    - by jprogram2010
    I want to execute some sql scripts using Java's Runtime.exec method. I intend to invoke mysql.exe / mysql.sh and redirect the script file to this process. From the command prompt I can run the command <mysqInstallDir\/bin\mysql.exe -u <userName> -p <password> < scripts\create_tables.sql I can invoke mysql.exe using Runtime.exec but how do I redirect data from sql file to mysql.exe ?

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  • STUN, TURN, ICE library for Java.

    - by Hemeroc
    I need to establish a P2P UDP and TCP Connection between two Users. Both of them are behind a NAT. A little research leads me to STUN, TURN and ICE. Is there any Java solution (library) except jSTUN which seems to work only on UDP. And TURN, ICE is much better for the symmetric NAT Problem.

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  • Classpath issue with java -jar

    - by portoalet
    Hi, I have an executable jar Client.jar that requires jndi.properties file. Since the jndi properties is not part of the Client.jar, and java -jar ignores the -classpath argument, How can I execute the jar and let it know where the jndi.properties is? Thanks

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  • Compare dates in java

    - by c0mrade
    How to compare dates in between in java? Example: date1 is 22-02-2010 date2 is 07-04-2010 today date3 is 25-12-2010 date3 is always greater than date1 and date2 is always today. I forgot the main point, how to verify if today's date is in between date1 and date 3?

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  • Java Inner Classes

    - by ikurtz
    im new to Java and have the following question regarding inner classes: when implementing a inner class do i need to declare its attributes and methods scope i.e. public, private, protected?

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  • HttpOnly cookies on google app engine java

    - by Spines
    Anyone know how I can use httponly cookies for sessions and cookies on the app engine? In the javadoc for the Cookie class, http://java.sun.com/javaee/6/docs/api/javax/servlet/http/Cookie.html#setHttpOnly(boolean) , there is a setHttpOnly method. I get a compiler error when trying to use it when developing for app engine though. The method was introduced in the Servlet 3.0 spec, so its pretty new.

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  • Java Integer: what is faster comparison or subtraction?

    - by Vladimir
    I've found that java.lang.Integer implementation of compareTo method looks as follows: public int compareTo(Integer anotherInteger) { int thisVal = this.value; int anotherVal = anotherInteger.value; return (thisVal<anotherVal ? -1 : (thisVal==anotherVal ? 0 : 1)); } The question is why use comparison instead of subtraction: return thisVal - anotherVal;

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  • JAVA Excel POI API: Problem

    - by Bilal
    Hi All, I am using the Java POI package to access the excel files. I have an excel file for which i am updating the cell values. those values are being used in some other sheets (within the same excel file) however, when i open the file, those values don't updated. when i select the cell text and hit enter then all the remaining sheets get the value. please suggest if I am missing something... Thanks ABH

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  • Java keyboard hook

    - by Jason S
    I would like to write a Java app that counts how long I have been using the keyboard or mouse w/o a break. Are there any built-in classes or 3rd party libraries that can detect global keyboard/mouse use?

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  • What's PHP Equivalent of Java Servlet Filter?

    - by ZZ Coder
    On Java side, we have a servlet filter that handles authentication. We don't have to change all other servlet or JSPs to add authentication to the page, unless the page needs customized content. How can we achieve the same on PHP? We don't use any frameworks on PHP.

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  • Accessing nested HashMaps in Java

    - by mridang
    Hi, I have a HashMap in Java, the contents of which (as you all probably know) can be accessed by HashMap.get("keyname"); If a have a HashMap inside another HashMap i.e. a nested HashMap, how would i access the contents? Can i do this like this, inline: HashMap.get("keyname").get("nestedkeyname"); Thank you.

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  • bit manipulation in java

    - by sarav
    I have a fragment of bytes in a byte[]. The total size of the array is 4 and I want to convert this into a positive long number. For example if the byte array is having four bytes 101, 110, 10, 1 then i want to get the long number represented by binary sequence 00000000 00000000 00000000 00000000 00000101 00000110 00000010 00000001 which equals 84279809 What is the efficient way to do that in Java?

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  • How to accss memory location in Java?

    - by Abhishek Jain
    Is it possible that we can access memory location in Java directly or indirectly? If we tries to print a object, it will print hashcode. Does hashcode signify indirectly to memory location? For two object at different memory location but still their hashcode can varies. -Abhishek

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  • JAXB generate java class from xsd

    - by dell
    JAXB 1.5 installed under C:\Sun\jwsdp-1.5 J2SE 1.4.2 installed under C:\j2sdk1.4.2_08 copied sample.xsd file to C:\Sun\jwsdp-1.5\jaxb\bin went to C:\Sun\jwsdp-1.5\jaxb\bin and ran xjc.bat -p com.package sample.xsd got error message: Unrecognized option: -p Could not create the Java virtual machine. Please help me out, thanks a lot

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  • How are integers casted to bytes in Java?

    - by helixed
    I know Java doesn't allow unsigned types, so I was wondering how it casts an integer to a byte. Say I have an integer a with a value of 255 and I cast the integer to a byte. Is the value represented in the byte 11111111? In other words, is the value treated more as a signed 8 bit integer, or does it just directly copy the last 8 bits of the integer? Thanks, helixed

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  • java and rtf editing

    - by Dainius
    Hi, I have rtf file in with I need replace some field values (with word I can do it with mail merge, but I need do this with java). I found iText (2.1.7) source code with can parse rtf files, but I can find hove to manipulate the content of file. Or maybe there is some better solution for editing rtf?

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  • Java Swt Text (SWT.MULTI) append text without scroll

    - by mchr
    I have a Java SWT GUI with a multiline Text control. I want to append lines of text to the Text control without affecting the position of the cursor within the text box. In particular, the user should be able to scroll and select text at the top of the Text control while new text lines are appended to the bottom. Is this possible?

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  • Matching sentences with regex in Java

    - by Gary
    Hi, I'm using the Scanner class in java to go through a a text file and extract each sentence. I'm using the setDelimiter method on my Scanner to the regex: Pattern.compile("[\\w]*[\\.|?|!][\\s]") This currently seems to work, but it leaves the whitespace at the end of the sentence. Is there an easy way to match the whitespace at the end but not include it in the result? I realize this is probably an easy question but I've never used regex before so go easy :)

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  • get particular string using regex in java

    - by hussain
    i want how to code for get only link from string using regex or anyothers. here the following is java code: String aas = "window.open("+"\""+"http://www.pageresource.com/jscript/jex5.htm"+"\""+")"+"\n"+"window.open("+"\""+"http://www.pageresource.com/jscript/jex5.htm"+"\""+")"; how to get the link http://www.example.com/jscript/jex5.htm thanks and advance

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