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OSCON: Java and a Nice Discount

- by Tori Wieldt

Now in its 14th year, OSCON, O'Reilly's annual open source conference, will once again be in Portland, OR on July 16-20, 2012. Join the world’s open source pioneers, builders, and innovators at the Oregon Convention Center for five intense days to learn about open development, challenge your assumptions, and fire up your brain.With 200+ speakers, 18 tracks, hundreds of technologies, and over 3,000 hackers in attendance, it's a place to learn and network. You’ll find practical tutorials, inspirational keynotes, and a wealth of information on open source languages, platforms, and development. OSCON includes whole track devoted to Java & the JVM, and the list of speakers is impressive. OSCON is where the serious thinkers and doers—and their favorite technologies—converge. And when the day’s sessions are over, join people just like you for some serious fun. Thanks to Java Magazine (you have subscribed to Java Magazine, right? If not, get your free digital subscription now!), you can register for OSCON and save 20% with code JAVAMAG.

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Unity: Nautilus folder opens in background

- by JJD

I am used to open a folder from the keyboard with a shortcut. The alternatives are: Use Unity Dash with the shortcut SUPER + F to open the Dash File Lens Open Kupfer with the configured shortcut (CTRL + ALT + SPACE, in my case) Then I type the name of the folder and press ENTER if it is selected. However, the window that opens up is not active but in the background. I have to press ALT + TAB to bring it into foreground. I use Ubuntu Precise (12.04.). Question: How can I configure Ubuntu, Unity, Nautilus so newly opened windows become foreground immediately? Edit: This behavior only happens when another application is already open such as GEdit. It does not happen when the only other selectable entity is the Desktop.

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What's the behaviour when opening a group of files at once?

- by Leo King

I selected a group of .odt files, right-clicked the first one and selected open. I would have thought they would open in alphabetical order, but as the second screenshot shows, they're not - the one with "2014-11-13" opens before "2013-10-23". And then when I select the whole group and press Enter, they open in order - and sometimes they don't. What's the behaviour when you right-click and open for a batch of files? Does it start with the one you selected and pick random files in the list to open next?

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Dash search does not show applications

- by To Do

Since the upgrade (actually a fresh install) to 13.10, many times, when I open Dash and search for an application I only get results for files and folders. Sometimes I get some applications but not others. I haven't found a pattern to replicate the issue 100%. If I open the application lens and search again, it works as it should. So many times, to launch an application, I have to use the super + a key combination to open the application scope instead of the simply the super key. It is annoying. Did anyone have the same issue? I searched for bugs on launchpad but didn't find any. I didn't open a bug report yet because it is not clear how to reproduce the problem faithfully. Even more importantly, does anyone have a solution to this issue?

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Starting application in same window with XFCE4 Terminal and i3

- by Luke

Since recently I'm enjoying the i3 tiled window manager. I did install the XFCE4 Terminal since it gives greater control over my terminal look and feel however but I have noticed an issue with starting GUI based applications. When I execute a GUI based application I want it take over the current terminal window. To do this I use exec, as in: exec eclipse This will open a new window and leave the terminal I started the application in open as well. In normal circumstances this is not much of a problem since I can easily do an Alt-W on the GUI app's window. However, for some applications, like a file manager, it is necessary to open in the same window. How can I make GUI application open in the same window rather than opening a new one?

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Mouse not clicking properly

- by RamoneDexter

Okay guys, here's a tricky one. I'm running 10.10 on my pc but i've had this issue for some time now.I'm having strange issues with the mouse. What happens is when I get into Ubuntu, I can click anything, but as soon as I click something to open a window, run a program, I can no longer click anything EXCEPT the last thing I clicked. When I right click the last thing I clicked, it allows me to click everything normally, but only until I open something new. So for example I'll click the email icon on docky to open up my email client, which opens but is unresponsive until I right click docky. Then if I open an attatchment, I must also right click the MENU bar on my email client. Sometimes it also works if I simply right click on the newly opened window. I have tried this mith mutiple mice and still the same issue.

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New Edition of Metasploit Goes Commercial

The latest version of the popular open source security penetration testing tool adds some proprietary bits to the open core.

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How to close buffer without closing the window?

- by progo

I usually open a few windows and keep some buffers open. Since my MO in buffer exploring is to use quick shortcuts to :bn and :bp, I want to close unneeded buffers from distracting my buffer surfing. But the pain is, issuing :bd and :bw results in closing the window as well, in case I have multiple ones open. How do I close (delete) a buffer and leave the windows intact? Solution inspired by @peth's answer :command! BW :bn|:bd# It is simple. Doesn't work well with only one buffer open (I get different behaviour depending on the way I open the files) but it isn't a big issue. :)

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problem with grafics on ubuntu 12.10

- by kargeo

please help I just install 12.10 x86_64 to my new computer amd fx8120 cpu ati hd 7770 msi 990 fxa and I'm facing the following error: 2012-11-17 18:19:04,393 WARNING: /sys/module/fglrx/drivers does not exist, cannot rebind fglrx driver From :additional drivers" can not install the ati drivers From "system settings" "software sources" only the x.org server is working but with problems Compiz works continuously and if I open for example a video the fun is running like crazy The mouse pointer goes slow The windows act strange (flashing, don't open, open slowly etc) What should I do? Thanks

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Reason why Windows can't be installed on Ubuntu , Any Help though?

- by Terzuz

Well I got my Windows Vista .iso file , I put it on my USB Drive , Extracted , Then I restarted and went to "Boot Device Options" Clicked "Generic USB" (What I labeled when I formatted) Then it stood on a black screen for 15 minutes , Then just went to Ubuntu , Now I found out exactly what happened Why Windows WONT work on Ubuntu is a simple reason Not if you save it in NFTS Format or MSDOS (Both Windows Formats) , Not if you use anything special , This even applies to the Ubuntu downloader , One specific reason that I just noticed , Since WINE (Windows Application Loader) can't run while you click the USB , You can't open the Setup.exe file needed to install the Operating System , That means you can not install it at all if it is a .exe installer file , Then what can we do? Only other way is to make a partition with GParted , Put a partition , then install WINE , Then run your Windows Setup.exe file , Then Wine will load it up! Why not to open Setup.exe before you make a partition - Simple , It WONT WORK! I have tried , It says you need __ Amount of space and can be put on any partition , Yeah , Any partition NOT BEING USED Here is where I need your help! - I want to make a partition but they all show as locked when I open GParted , So How am I supposed to open them up? Get a hammer and tell HP my laptop didn't want to open its partitions? Nope , I need some help on how to unlock the partitions or what to do , Thank you in advance PS- If I could , I would put a bounty to this but I do not have enough reputation!

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Songbird

Songbird is an open source media player powered by Mozilla

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24 More of the Best Commercial Linux Games (Part 2 of 3)

<b>LinuxLinks:</b> "However, whilst the quality of these open source games is generally high and they are great fun to play, there is a lack of truly world-class innovative open source games. In many respects, the open source development model is not really applicable for game development."

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New Window Via JavaScript Clears Parent

- by Bunch

This is not a new item at all but I came across it recently. For an app I had been using some JavaScript like: javascript:window.open(someurl.aspx here) to open a new window via a button. That bit of code had been working great in several other apps. Then in one app that same code decided to open the new window correctly while clearing the parent of everything but [object]. The fix ended up being simple, change the javascript to: javascript:void(window.open(someurl.aspx here); Then it worked like I thought it should. Tags: ASP.Net, JavaScript

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Checking a record is due based on the 'occuring' field

- by andy

I have records that have dates against them and an occurring field that contains none,yearly and monthly id status note date last_updated occurring 1 open --- 01/01/2011 01/02/2010 yearly 2 open --- 05/05/2011 03/05/2011 monthly 3 open --- 06/06/2011 05/06/2011 none Now I need to be able to check if a record is due (the date set has passed) which works perfect if occurring is set to none but I'm unsure of how to approach it when it's set to yearly or monthly (IE: This day in the year/month has passed) So with the above records, if I had a method on the record called due? providing the status is 'open' it needs to return true every year when it's passed that date if it's not been updated within the year yet. I apologise if this is confusing but it's melting my brain just trying to think of it, let alone put it into words.

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dell E6500 laptop will not hibernate/standby

- by Mark Schultheiss

I am using a Dell E6500 laptop with windows XP on it, it was originally tagged/installed with Windows Vista. My issue is, when I close the lid, it will not either Hibernate or Standby. If I close the lid with either of these options, I then have to startup from scratch, and anything I had open is not open. I just want to close the lid, have it keep what I have running, not use power util I open the lid again and start it up (with the stuff still open I had open of course). Suggestions?

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Metasploit Goes Commercial in New Express Edition

New version of the popular open source penetration testing tool adds proprietary bits on top of an open core.

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Tripous introduction

An open source desktop database (data entry) application framework

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Javascript parent and child window functions

- by Mike Thornley

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>Lab 9-3</TITLE> <SCRIPT LANGUAGE="JavaScript">  </SCRIPT> </HEAD> <BODY> <H3>CIW Web Languages</H3> <HR> <FORM NAME="myForm"> <INPUT TYPE="button" VALUE="open new window" onClick="myFunction();">  <input type="button" value="Click to open child window" onclick="javascript:void(myWin.myTest());"/> </FORM> <P> </BODY> </HTML> To explain further what my initial query was, the code above, should open the child window (myWin) with the second button, the 'Open child window' button without the need to open the window with the first button or do anything else. It should simply call the myWin.myTest()function The child window will open when the second button is pressed but needs to have the child window open first (first button push) before it'll work. This is not the intended purpose, the 'Open child window' button should work without anything else needing to be done. For some reason the parent window isn't communicating with the myWin window and myTest fucntion. It's not homework, it's part of a certification course lab and is coded in the manner I have been shown to understand as correct. DTD isn't included as the focus is the JavaScript. I code correctly with regards to that and other W3C requirements.

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Adding Login does not work. Error: "Cannot open database \ requested by the login. The login failed.\r\nLogin failed for user"

- by Jacob Pressures

I'm receiving this error message: Cannot open database \"Northwind\" requested by the login. The login failed.\r\nLogin failed for user 'Mike\Mike Simpson' When i try to add the user, which is me. Then sql server says Msg 15063, Level 16, State 1, Line 1 The login already has an account under a different user name. HEre is my connection string: "Data Source=Localhost;Initial Catalog=Northwind;Integrated Security=True" I'm using SSMS not SQL Server express I don't know what else I should do. This application used to work before i zipped it up. Thanks!

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Releasing Excel after using Interop

- by figus

Hi everyone I've read many post looking for my answer, but all are similar to this: http://stackoverflow.com/questions/1610743/reading-excel-files-in-vb-net-leaves-excel-process-hanging My problem is that I don't quit the app... The idea is this: If a User has Excel Open, if he has the file I'm interested in open... get that Excel instance and do whatever I want to do... But I don't to close his File after I'm done... I want him to keep working on it, the problem is that when he closes Excel... The process keeps running... and running... and running after the user closes Excel with the X button... this is how I try to do it This piece is used to know if he has Excel open, and in the For I check for the file name I'm interested in. Try oApp = GetObject(, "Excel.Application") libroAbierto = True For Each libro As Microsoft.Office.Interop.Excel.Workbook In oApp.Workbooks If libro.Name = EquipoASeccionIdSeccion.Text & ".xlsm" Then Exit Try End If Next libroAbierto = False Catch ex As Exception oApp = New Microsoft.Office.Interop.Excel.Application End Try here would be my code... if he hasn't Excel open, I create a new instance, open the file and everything else. My code ends with this: If Not libroAbierto Then libroSeccion.Close(SaveChanges:=True) oApp.Quit() Else oApp.UserControl = True libroSeccion.Save() End If System.Runtime.InteropServices.Marshal.FinalReleaseComObject(libroOriginal) System.Runtime.InteropServices.Marshal.FinalReleaseComObject(libroSeccion) System.Runtime.InteropServices.Marshal.FinalReleaseComObject(origen) System.Runtime.InteropServices.Marshal.FinalReleaseComObject(copiada) System.Runtime.InteropServices.Marshal.FinalReleaseComObject(oApp) libroOriginal = Nothing libroSeccion = Nothing oApp = Nothing origen = Nothing copiada = Nothing nuevosGuardados = True So you can see that, if I opened the file, I call oApp.Quit() and everything else and the Excel Process ends after a few seconds (maybe 5 aprox.) BUT if I mean the user to keep the file open (not calling Quit()), Excel process keeps running after the user closes Excel with the X button. Is there any way to do what I try to do?? Control a open instance of excel and releasing everything so when the user closes it with the X button, the Excel Process dies normally??? Thanks!!!

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Can someone tell me what this Java class does? I/O related

- by anon

I am relatively new to Java and trying to learn the I/O syntax. Could someone give me a general overview of what this code does? Thanks!! import java.io.*; public class FileReader { private String openFile=""; private String saveFile=""; FileReader(openFile, saveFile) { this.openFile=openFile; this.saveFile=saveFile; } public String process(){ System.out.println(this.openFile); System.out.println(this.saveFile); BufferedReader open=null; FileReader openFR=null; FileWriter save=null; int counter=0; String output=""; if(openFile.equals("")){ return "No open file specifified\n"; } if(this.saveFile.equals("")){ return "No save file specified\n"; } try { openFR = new FileReader(this.openFile); open = new BufferedReader(openFR); } catch (FileNotFoundException e) { return ("Open file no longer exists\n"); } try { save = new FileWriter(saveFile); } catch (IOException e){ return ("Error saving the file\n"); } try{ String temp = open.readLine(); while(temp != null){ temp = open.readLine(); counter++; save.write(output + "\n"); } } catch (IOException e){ e.getStackTrace(); return ("Error reading open file"); } try { save.flush(); } catch (IOException e) { e.printStackTrace(); return ("Error writing save file"); } return "Operation completed successfully"; } }

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Most efficient way to write over file after reading

- by Ryan McClure

I'm reading in some data from a file, manipulating it, and then overwriting it to the same file. Until now, I've been doing it like so: open (my $inFile, $file) or die "Could not open $file: $!"; $retString .= join ('', <$inFile>); ... close ($inFile); open (my $outFile, $file) or die "Could not open $file: $!"; print $outFile, $retString; close ($inFile); However I realized I can just use the truncate function and open the file for read/write: open (my $inFile, '+<', $file) or die "Could not open $file: $!"; $retString .= join ('', <$inFile>); ... truncate $inFile, 0; print $inFile $retString; close ($inFile); I don't see any examples of this anywhere. It seems to work well, but am I doing it correctly? Is there a better way to do this?

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Reload images in a UIWebView after they have been downloaded by a background thread

- by dantastic

I have an application that frequently checks in with a server and downloads a batch of articles to the iphone. The articles are in html and just stored using core data. An article has 0-n images on the page. Downloading all associated images at the same time as the text will be too slow and take too much bandwidth. Users are not likely to open every article. If they open an article once it is likely they will open it several times. So I want to download and store the images locally when they are needed. These articles are listed in a UITableView. When you tap an article you pop open a UIWebView that displays the article. I have a function that checks if I have downloaded the images associated with the article already. If I have I just pop open the the UIWebView - everything works fine. If I don't have the images downloaded I go off and download them and store them to my Documents directory. Although this i working, the app is hanging while the images are downloading. Not very tidy. I want the article to open in a snap and download the images with the article open. So what I've done is I check if the images are downloaded, if they aren't I go ahead and just "touch" the files I need and load the webview. The UIWebView opens up but the images referenced contain no data. Then in a background thread I download the images and overwrite the "dummy" ones. This will save the images and everything but it won't reload the images in my current UIWebView. I have to go back out of the article back back in again to see the images. Are there any ways around this? reloading just an image in a UIWebView?

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Perl Capture and Modify STDERR before it prints to a file

- by MicrobicTiger

I have a perl script which performs multiple external commands and prints the outputs from STDERR and STDOUT to a logfile along with a series of my own print statements to act as documentation on the process. My problem is that the STDERR repeats ~identical prints as example below. I'd like to capture this before it prints and replace with the final result for each of the commands i run. blocks evaluated : 0 blocks evaluated : 10000 blocks evaluated : 20000 blocks evaluated : 30000 ... blocks evaluated : 3420000 blocks evaluated : 3428776 Here's how I'm getting STDOUT and STDERR my $logfile = "Logfile.log"; #log file name #--- Open log file for append if specified --- if ( $logfile ) { open ( OLDOUT, ">&", STDOUT ) or die "ERROR: Can't backup STDOUT location.\n"; close STDOUT; open ( STDOUT, ">", $logfile ) or die "ERROR: Logfile [$logfile] cannot be opened.\n"; } if ( $logfile ) { open ( OLDERR, ">&", STDERR ) or die "ERROR: Can't backup STDERR location.\n"; close STDERR; open ( STDERR, '>&STDOUT' ) or die "ERROR: failed to pass STDERR to STDOUT.\n"; } and closing them close STDERR; open ( STDERR, ">&", OLDERR ) or die "ERROR: Can't fix that first thing you broke!\n"; close STDOUT; open ( STDOUT, ">&", OLDOUT ) or die "ERROR: Can't fix that other thing you broke!\n"; How do I access the STDERR when each print is occurring to do the replace? Or prevent it from printing if it isn't the last of the batch. Many Thanks in advance.

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jquery to create array from form data

- by AndrewStevens

I've been wrestling with this problem for a couple hours now. Essentially, what I need to do is take the following or similar HTML: <div id="excpdivs"> <div class="excpdiv" id="excpdiv0"> Date: <input name="excp[0][date]"> Open: <input name="excp[0][open]"> Close: <input name="excp[0][close]"> </div> <div class="excpdiv" id="expdiv1"> Date: <input name="excp[1][date]"> Open: <input name="excp[1][open]"> Close: <input name="excp[1][close]"> </div> and get an array similar to the following to a php script: Array ( [0] => Array ( [date] => 2012-09-15 [open] => 3:00 [close] => 5:00 ) [1] => Array ( [date] => 2012-09-16 [open] => 2:00 [close] => 5:00 ) ) My main problem is getting the values from the input elements. My latest attempt is the following: var results = []; $(".excpdiv").each(function(){ var item = {}; var inpts = $(this).find("input"); item.date = $(inpts.get(0)).val(); item.open = $(inpts.get(1)).val(); item.close = $(inpts.get(2)).val(); results.push(item); }); Am I on the right track or am I hopelessly lost?

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