How do I find out what Package a class is in

I am trying to find out what Package the classes XMLNode and XMLInterface are located in. Is there a way to search for a class to find out what package it is held in ?
Quite often I see example code but spend wore time working out what package the class is in than actually writing code. Am I being really stupid ? (Don't answer that !!)
Many thanks for any tips
Dan

you can find the class path by searching the $JAVA_TOP directory.
Login to apps server.
cd $JAVA_TOP
find . -name "Classname.class"
--Prasanna

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[SOLVED] How do I find out what packages are installed in a distro?

Okay. I was running Arch before, but GNOME had a bunch of problems that I couldn't fix myself, so I reformatted and went to Peppermint OS (it's a cloud-based system), and I absolutely love it. Now, the thing is, it's even slower than my Arch system was running GNOME, and it's supposed to be super-lightweight and speedy; but aside from that, I found it's a great distro (I think most of the slowdown is because it's based on Ubuntu and Mint). So, my question: how do I find out which packages are in Peppermint OS so I can emulate the basic environment, except with Arch underneath? Thanks, guys!
Last edited by InfernalDante (2011-07-13 02:39:05)

Okay, I guess an hour of Googling wasn't enough, but I just found a site that tells me how to do it! I'll mark this solved, but for anyone else who wants to know, the info is right here: http://www.cyberciti.biz/faq/find-out-i … -in-linux/ It uses dpkg, which I think is only used on Debian-based systems (correct me if I'm wrong) so it may not work for all distros, but it's a start.

Can you find out what packages a class has imported?

Hi all, I start my final year at uni in september and at the moment i'm just experimenting with stuff while i try and decide what to do for my final year project.
Without going into too much detail what i want to be able to do is for the client to "submit" a class file that is then dynamically loaded and run on the server. Obviously this has security implications so what i was wondering was if it is possible to determine what packages a class has imported from the actual classfile.
I've looked through the vm spec but haven't been able to find anything theyre that looks like it'll help. Any suggestions or ideas (or solutions!) would be much appreciated.
Thanks. Matt.

You could use the Class.getDeclaredClasses() to see the class types that exist as members, but that won't do you any good since the class will have already undergone static initialization within your VM, and the security breach would have already been made. You could inspect the constant pool in the class data to check what other classes are referenced but then that brings up several questions:
1 - How do you know which classes are bad? Even if you define a set, copies can be created in new packages (or simply aliased) so that the list is invalid.
2 - How do you know the class you are loading is not malicious? A client class may not reference any external class but may be malicious itself.
3 - The offending class might use reflection exclusively to reference classes without leaving a trace in the class file. This would be absolutely impossible to detect.
Your only choices are (a) to use signed classes, and make it the responsibility of someone to review the classes and sign them, or (b) install your own Security Manager to catch all prohibited activity, or (c) check as classes are referenced in the classloader. Option (a) is the best method, but (b) or (c) might work in a very restricted environment.

How do i find out what the IEMI number is without having the phone or package?

how do i find out what the IEMI number is without having the phone or package?

If you ever backed your iPhone up to your computer, launch iTunes, go to the Preferences, select Devices, and hover your cursor over the backup file for the iPhone. That should show you the IMEI number.
If not, and you don't have the phone nor the packaging, you'll need to call your cell carrier and see if perhaps they can tell you.
Regards.

How do I find out what features are not useful in my Classifier?

How do I find out what features are not useful in my Classifier? I am trying to trim down the number of features to speed up the training of my data, I have about 3700 features. I have found the Filter Based Feature Selection Module and have not been successful
in using it. I have looked through all the examples and have not been able to find any examples using the module. Will the Filter Based Feature Selection Module help me to trim features. If so how do I use it?

One way to do this would be is to use a random forest classifier. Feature/variable importance can be obtained relatively easily with random forests.
Here is how you may do it in R.
> install.packages('randomForest') #install randomForest package in R if it is not already there
> library(randomForest) # reference the library
> data(mtcars) # load motor cars data that ships with
#train a random forest
> mtcars.rf <- randomForest(mpg ~ ., data=mtcars, ntree=1000,keep.forest=FALSE, importance=TRUE)
> importance(mtcars.rf)
> importance(mtcars.rf)
#You will see an output like below
%IncMSE IncNodePurity
cyl 16.168645 169.96741
disp 18.672188 260.08722
hp 17.584375 184.95007
drat 6.948743 63.54528
wt 17.818509 254.30347
qsec 4.772889 33.25546
vs 5.303058 24.39064
am 5.210181 17.36626
gear 4.619161 21.55450
carb 8.577037 28.46715
# or plot the importance as follows
> varImpPlot(mtcars.rf)
What this tells you is how important predictors/features/variables like horsepower(hp), weight(wt), no. of cylinders (cyl) is in predicting miles per gallon (mpg).
If you are wondering how the data looks like. Try this
head(mtcars) # gives first few lines of the data set.
mpg cyl disp  hp drat   wt ...
Mazda RX4     21.0   6  160 110 3.90 2.62 ...
Mazda RX4 Wag 21.0   6  160 110 3.90 2.88 ...
Datsun 710    22.8   4  108  93 3.85 2.32 ...
. Try this
Here is a few useful resources:
Random Forest documentation (Check out the pages on variable importance and variable importance plot)
http://cran.r-project.org/web/packages/randomForest/randomForest.pdf
Motor cars data: http://stat.ethz.ch/R-manual/R-devel/library/datasets/html/mtcars.html

I recently bought a macbook pro retina and while I'm using it a yellow triangle pops up then disappears. I don't know what it says. How do I find out whats wrong?

I recently bought a macbook pro retina and while I'm using it a yellow triangle pops up then disappears. I don't know what it says. How do I find out whats wrong?

Oh, by all means. Uninstall it using its uninstaller if you have one. Do not install any anti-malware software as it's unneeded with OS X Lion or Mountain Lion.
Uninstalling Software: The Basics
Most OS X applications are completely self-contained "packages" that can be uninstalled by simply dragging the application to the Trash. Applications may create preference files that are stored in the /Home/Library/Preferences/ folder. Although they do nothing once you delete the associated application, they do take up some disk space. If you want you can look for them in the above location and delete them, too.
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Some applications may install components in the /Home/Library/Applications Support/ folder. You can also check there to see if the application has created a folder. You can also delete the folder that's in the Applications Support folder. Again, they don't do anything but take up disk space once the application is trashed.
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Some software use startup daemons or agents that are a new feature of the OS. Look for them in /Library/LaunchAgents/ and /Library/LaunchDaemons/ or in /Home/Library/LaunchAgents/.
If an application installs any other files the best way to track them down is to do a Finder search using the application name or the developer name as the search term. Unfortunately Spotlight will not look in certain folders by default. You can modify Spotlight's behavior or use a third-party search utility, EasyFind, instead.
Some applications install a receipt in the /Library/Receipts/ folder. Usually with the same name as the program or the developer. The item generally has a ".pkg" extension. Be sure you also delete this item as some programs use it to determine if it's already installed.
There are many utilities that can uninstall applications. Here is a selection:
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    2. AppDelete 3.2.6
    3. Automaton 1.50
    4. Hazel
    5. AppCleaner 2.1.0
    6. CleanApp
    7. iTrash 1.8.2
    8. Amnesia
    9. Uninstaller 1.15.1
10. Spring Cleaning 11.0.1
For more information visit The XLab FAQs and read the FAQ on removing software.

How do I find out what applications are running in the background

I have a 2008 iMac with 2GB memory. How do I find out what programs are running in the background? I am going to buy a new iMac before the end of the year to replace this one. When I looked at Activity Monitor it shows 1.8Gb used but doesn't tell all the programs running.

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I do not know my apple administrator username and password? How do I find out what it is? I am trying to download IBM Notes and Domino onto my MacBook Pro and I cannot download the software without verifying my apple administrator username/password

I do not know my apple administrator username and password. How do I find out what it is? I am trying to download IBM Notes and Domino onto my MacBook Pro and I cannot download the software without verifying my apple administrator username and password.

iOS is only for mobile devices, so:
Resetting or changing a password:
For Snow Leopard or earlier: http://support.apple.com/kb/HT1274
For Lion or later: http://support.apple.com/kb/HT6022
For Mavericks users:
http://www.macworld.co.uk/how-to/mac-software/how-change-admin-password-mac-3535 328/
This is also useful:
http://www.macworld.co.uk/ipad-iphone/news/?newsid=3463233&olo=email
If it's running Mac OS X 10.6.8 or earlier, insert a Mac OS X install DVD, restart with the Option key held down, click on it, and use the Reset Password utility.
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https://discussions.apple.com/docs/DOC-4101

How do I find out what my PW is on my Mac or at least how to reset it?

I reset my password for internet site but i must have a different pw on my Mac, it will not let me do updates without it* The PW hint in the sign in screen is not working. How do I find out what my PW is on my Mac or at least how to reset it?
thanks,
sticksrrll.

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I seem to not enter the correct answers to my security questions for itunes to buy an in-app purchase and also cannot answer the questions exactly like i answered them when creating the account for my ipod, how do i find out what answers i put

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Try these previous discusssions:
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how do i change apple ID security...: Apple Support Communities

How do i find out what devices are authorised on my apple ID?

I have just bought a new iMac and want to get all my itunes library etc on it. However, apparently i have reached my limit of 5 authorisations, which is entirely possible as I have had a number of iphones, Macair and ipads, some of which I either no longer own or are no longer functioning. How do I find out what devices are authorised and then deauthorise any that I don't use any more - given that they may not even work!

Welcome to the Apple Community.
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I have two iPhones on my iTunes account. How can I find out what apps go to which phone?

I have two iPhones on my iTunes account. How can I find out what apps go to which phone?

I don't believe that there is a way to do that. I would sugest using automatic downloads to keep your apps synced across both phones. You might also want to note that just about any app you have ever download will be available for free download via icloud.
Wish I could be more help.

How can I find out what apple IDs are tied to an email address

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We have used the "Forgot my Apple ID" function and used all 3 of the different email addresses she's used on the accounts and when we access the one that says there's a duplicate, it takes us to the account and it's the one with the email address that I noted above.
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Thanks!

Itunes limit includes computers.
http://www.ilounge.com/index.php/articles/comments/managing-devices-in-your-itun es-store-account/

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You may be able to find your Apple ID at Look up your old and forgotten Apple ID

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Go to your "Purchased" list. See:
Downloading past purchases from the App Store, iBookstore, and iTunes Store
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How do I find out what Package a class is in

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