How can I display a PPT file in a Java Applet?
- by Sanjeev
I want to open and display an existing Microsoft PowerPoint presentation in a Java Applet. How can I do that?
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Search found 76226 results on 3050 pages for 'google api java client'.
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Can we run an Java app in a system without JRE?
- by Praveen Chandrasekaran
Hi Folks, I created an java apllication. i created the Excecutable jar and Exe files for my application. But it cant be run at a system which not installed computer. How to do it? Is there any possible to configure the JRE in the EXEcutable jar or Exe file itself? Any Idea?Read the article
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What's a good free tool for investigating unintentional object retention in Java?
- by Steve Emmerson
My multithreaded Java program crashes because it runs out of heap space and I don't think it should. Assuming the culprit is unintentional object retention, what's a good free tool to investigate what objects are being unintentionally retained? My IDE is Eclipse.Read the article
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How can I retrieve the amount of free RAM from a Java program?
- by swati
Free RAM: my target metric. Java: my tool of choice. ???: a good way to get the former using the latter.Read the article
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What is the best way to send data from Java to PHP?
- by Daeyun
I want to access a MySQL database from Java, but remote connection is disabled by the host. So I will send the data to PHP and then PHP will locally access the database. The data is pretty big (about 2~4kb) I've never done this before. What should I do?Read the article
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How does Java order items in a HashMap or a HashTable?
- by ComputerJy
I was wondering how Java sorts items in the Map (HashMap or Hashtable) when they are added. Are the keys sorted by the hashcode, memory reference or by allocation precedence...? It's because I've noticed same pairs in the Map are not always sorted in the same orderRead the article
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Simple way to play a single frequency in java?
- by alleywayjack
I just want to play a very simple, straight forward note by giving my computer a certain frequency as an integer, and from there I can figure out how to make it play the note longer or shorter. It does not necessarily have to come out of the actual sound card - if it's generated and output by the internal speaker that's okay. I looked at the midi libraries that java has included, and they are way more than what I want to do. This just needs to be very basic.Read the article
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How can two instances of an application communicate in Java?
- by shubhkarman
Hello, I am developing a new Java Desktop app. Something like a media player. I want to load most of the resources in the background when the computer starts up. But the users can turn this option off form within the app or using some other utility. So, what I want to do is if a ban instance of the app is already running and the user starts the app again then I can communicate with the already running instance so that it can launch a new window?Read the article
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How do I keep a datastructure in sync across several servers in Java?
- by sanity
Have a Map which contains objects that I want to keep in sync across multiple servers, such that if objects in the map are created, deleted, or modified - this is reflected immediately (ie. within a second or two) across all servers, in a way that can potentially scale up to tens of servers. Is there a lightweight open source Java tool that can do something like this? I'm aware of Terracotta but it is rather heavy weight for what I need.Read the article
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what java method takes an int and returns +1 or -1?
- by David
what java method takes an int and returns +1 or -1? the criteria for this is weather or not the int is positive or negative. I looked through the documentation but i'm bad at reading it and i can't find it. I know i've seen it somewhere though.Read the article
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PHP front-end and Java back-end for a web app?
- by Raydon
I'm designing a web application. I was wondering if it was feasible to design a php front end (using some php framework e.g. CakePHP), which stores and retrieves data to display to the user. Then develop a java backend which listens to the database for changes, and depending on what was changed, performs some actions and updates the database. Any thoughts on this type of implementation would be appreciated.Read the article
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Are there java libraries to do a word-based diff?
- by Mycol
I have two pieces of text. I would like to make a word-based diff between them (like whe unix utility wdiff does) but with more information in the output (I mean, the character's posizion where the added/delited word starts). I need to do this in Java, so a simple output of the differences (like wdiff) doesn't suite for me: I would like to manipulate objects representing differences.Read the article
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how to get svn/cvs log record by java?
- by Eric
I want to cut the svn/cvs recods in pieces and then put in to database. After that i can make use of those data easily. Any java function can get out the record? and How? If possible, please provide a example. Thank you.Read the article
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When and how are classes garbage collected in Java?
- by Bright010957
I asked a question about Garbage Collection in Java in this topic. But the answer I got, gave me another question. Someone mentioned that classes can be collected by the garbage collector too. Is this true? And if it is true, how does this work?Read the article
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How to draw interactive frame over user's desktop using java applet?
- by Extax2
I need to capture portion of user screen usign java applet. It is easy to do using Robot class but I'd like user to select which portion of screen to capture in draggy-droppy way. So I need to draw rectangular frame over users desktop and response when user resizes it. How could I do it? Thnx.Read the article
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How to add a spring application context to the java runtime to be used for integration tests within
- by user258030
I am trying to add a test spring application context to the java runtime, so that my beans can be wired properly for my integration tests.Read the article
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What is the best open-source java charting library? (other than jfreechart)
- by pyinsci
Why are there not more opensource easy to use charting libraries for Java?. The only successful opensource project in this area seems to be jfreechart, and it doesn't even have any documentation or examples available.Read the article
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Why Java does not allow overriding equals(Object) in an Enum?
- by Ashwin Prabhu
@Override public boolean equals( Object otherObject ) is not allowed in Java for an Enum, since the method equals(Object x) is defined as final in Enum. Why is this so? I cannot thing of any use case which would require overriding equals(Object) for Enum. I'm just curious to know the reasoning behind this behavior.Read the article
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How to send mail from any mail id through java?
- by abc
How to send mail from any mail id through java? i meant how can we set from : address in mail any that we want.Read the article
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in java can one have an array of variables?
- by David
in java can you have an array of variables? if so what is the syntax? here's an example if your confused: varint[] ArrayOfVariablesThatAreInts = new varint[#] or var[] ArrayofVariables = new var[#] is something like this legal?Read the article
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What is the equivalent of Java's final in C#?
- by Nosrama
What is the equivalent of Java's final in C#? EDIT: Sorry, I should have been clearer. I meant what is the equivalent when applied to a member variable - so it must be assigned once and only once.Read the article
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Why do we make a copy of final instance variable in a method in Java?
- by PRK
For instance: private final Object o; public void doSomething(){ final Object local = this.o; //access methods of local; } This practice is followed in lots of java classes (such as ArrayBlockingQueue). What's the benefit of this?Read the article
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How to check if internet connection is present in java?
- by Chris
How do you check if you can connect to the internet via java? One way would be: final URL url = new URL("http://www.google.com"); final URLConnection conn = url.openConnection(); ... if we got here, we should have net ... But is there something more appropriate to perform that task, especially if you need to do consecutive checks very often and a loss of internet connection is highly probable?Read the article
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What's the best building tool for java besides ant?
- by user198729
Somehow I don't like IDE very much, but I don't find a particular good tool to build java applications from source yet. I welcome all kinds of feedbacks!Read the article
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Reading from a very large table using multiple threads (Java ) and writing them to a single file
- by user2534926
I am currently facing a situation where i have a table with almost 80 millions data and i have to take a dump of that table and store it into a csv file. Currently i am using a not so professional approach( with a perl script+DBI interface , printing the values to stdout and redirecting to a csv file). Now i am planning to use java threading approach. Can you suggest a way forward. Thanks in advanceRead the article
