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• Excel File opened under Ubuntu, read by R, OpenOffice

  - by Vishal Belsare

  I have a bunch of Excel files which are updated on a daily basis on a Windows machine. I transfer them to a Ubuntu machine and want to open them there. Specifically, I want to read the files as a database under R. A couple years ago, I used ODBC under a Windows machine to open Excel files through R. Is there any way, I can do this with R under Ubuntu? I could make a database .ODB file for the corresponding XLS files using OpenOffice, but I don't know of a way to connect to a .ODB database. OpenOffice seems to have ways to connect TO databases, but no way to connect to ODB. Thanks for any potential solutions.

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• Count the number of rows of a CSV file, with d3.js

  - by user2934073

  Suppose I have this CSV file Day,What 2013-10-27,Apple 2013-10-27,Cake 2013-10-27,Apple 2013-10-28,Apple 2013-10-28,Apple 2013-10-28,Blueberry 2013-10-28,Orange I would like to drawn with D3.js a time-series graph. All I need to do is to display the sum of the number of rows for each day. As an example, the 27 of November should have 3 as value, the 28th should have 4. Is there a way I can archive it? I've been trying to create a new dataset out of the CSV one with no positive results. var dataset; d3.csv("data.csv", function(d) { return { Day: new Date(d.Day), What: d.What }; }, function(error, rows) { dataset = rows; // I SUPPOSE THE FUNCTION THAT GENERATE THE NEW DATASET SHOULD GO THERE });

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• Save UIView's representation to file.

  - by fish potato

  What is the easiest way to save UIView's representation to file? My solution is, UIGraphicsBeginImageContext(someView.frame.size); [someView drawRect:someView.frame]; UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); NSString* pathToCreate = @"sample.png"; NSData *imageData = [NSData dataWithData:UIImagePNGRepresentation(image)]; [imageData writeToFile:pathToCreate atomically:YES]; but it seems tricky, and I think there must be more efficient way to do this.

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• Is File good for Interprocess communication

  - by Karthik

  Hi, I have an EXE and DLL running in different process. From DLL I have to send large of amount of data to EXE, which would vary from 50 chars to 2000 chars and more(The data is recordid of records saved in DB). I thought about two options to do that: 1. Using SendMessage- In which data's will be sent in batch. 2. Use an Intermediate file to transfer data. Can anyone list out the pros and cons of methods. I have developed my components using C#.NET Thanks you folks.

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• Shipping jar with default .properties file configurations

  - by Maxim Veksler

  Hello, I would like to include a default default.properties file in my .jar library. The idea is to allow the user to override my default is he so desires. I'm having trouble getting the classloader to play nicely with this setup, I've tried to look a at popular jars such as log4j, common-* and others and it seems that no one is implementing this idea. Am I going the wrong way? The second best thing is hard coding the values, and using the default if no .properties key has been found, but this sound oh so wrong. Suggestions?

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• INI file reverse engineering

  - by Akshar Prabhu Desai

  I am maintaining a legacy application which prints product labels on packaging. The format of the label is stored in a INI file. I wanted to know if anyone has any hints about the meaning of this format. I have pasted a snippet here. {D1531,1000,1501|} {C|} {U2;0130|} {D1531,1000,1501|} {AX;+000,+000,+00|} {AY;+05,0|} {PC000;0922,0555,15,15,H,11,B|} {RC00;<FE/>LABELTITLE</FE>|} {PC001;0865,0555,15,15,H,11,B|} {RC01;<FE/>CURRENT</FE>|} {PC002;0796,0040,10,10,H,11,B|}

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• move data that retrieved from XML file to iPhone DataBase

  - by totato

  The idea for my project is : retrieve announcements from my website to my iPhone app (using XML file),then I want to make the users of my app can select any announcement he want and click button in ActionSheet which moves the selected announcement to "favorite announcements tableview" (have Database for favorite announcements) "as apple done in favorite contacts in phone app for iPhone ". So, I want to copy some of this data to specific database in my app (and display in tableview) , can I do this? how? any hints? thanks..

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• Cannot access implict object from within method in custom JSP tag file

  - by David Hamilton

  I'm attempting to create a custom jsp tag. Everything is working fine, except for the fact that I the request seems to be out-of-scope for my custom function. Here is the relevant bit from the .tag file: <%! private String process(String age, BigDecimal amount) { //Attempting to access request here results in an compile time error trying to: String url=request.getURL; } %> I'm very new to JSP so I'm sure I'm missing something obvious..but I can't seem to figure out what. Any help is appreciated.

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• Writing to an already existing file using FileWriter Java

  - by delo

  Is there anyway I can write to an already existing file using Filewriter For example when the user clicks a submit button: FileWriter writer = new FileWriter("myfile.csv"); writer.append("LastName"); writer.append(','); writer.append("FirstName"); writer.append('/n'); writer.append(LastNameTextField.getText()); writer.append(','); writer.append(FirstNameTextField.getText()); I want to be able to write new data into the already existing myfile.csv without having to recreate a brand new one every time

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• Receiving a File via RFCOMM on Android

  - by poeschlorn

  Hey guys, does someone know how to receive a file on android via RFCOMM? I'm a newby to bluetooth issues, so please have patience with me. I'm looking for an approach to receive data via RFCOMM as a stream and store it somewhere on my phone. Saving data is not the problem, it works quite fine. The main issue is the implementation of the connection and the reliable retrieval of the data... This whole procedure should be implemented as an android service (so that no activity has to be launched while receiving data). What would you suggest: Local or remote service? greetz, poeschlorn

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• Create pdf file dynamically in vb.net for .net 1.1 framework

  - by Urbycoz

  I need to create a pdf file dynamically in vb.net. It needs to contain several images and lines of text. I am using VS 2003, so whatever solution I use will need to be compatible with the .net 1.1 framework. The current method I am using is wpcubed, but this requires that all images be converted to bmp format before adding them to the pdf, which can be extremely slow when dealing with a large number of images. I am aware that there are an awful lot of other 3rd party products that claim to do this, and I have had a search through them. But without registering, downloading, installing and writing code to use each of them in turn, it is very difficult to differentiate between them. So far I have looked into evo pdf and pdfsharp but neither seem to work with .net 1.1. (Although they don't make this abundantly clear.) Has anyone else found a method that works and they would recommend (a free one-if possible)?

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• irritating TortoiseSVN error - file or directory is corrupted and chkdsk at boot

  - by WalterJ89

  Can't move 'D:\Documents\Websites\blah.svn\tmp\entries' to 'D:\ ... .svn\entries': The file or directory is corrupted and unreadable. Any thoughts on what would cause this? This usually happens when trying to commit a large number of new files. Sometimes an update fixes it but most of the time I have to delete the offending directory, re-download it, and attempt to add or update it again. EDIT: it seems my pc always wanting to chkdsk as boot is related.

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• Alternative to Apache’s .htaccess file for IIS?

  - by user80151

  I'm moving a WordPress blog from Apache to IIS. It's just for a couple weeks until I get it changed out. But all I can get to is the homepage. Everything else throws errors. I think my problem is in the .htaccess file: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> #END WordPress Is there something equivalent to this for IIS? Thanks.

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• File paths with XSLT includes

  - by Andrew Parisi

  Hi again everyone. I'm working on a website with a large number of pages, and each one has this in it: <xsl:include href="team-menu.xsl" /> This xsl file is stored in the root directory. Essentially including my "team menu" on each page. My problem is when I include this on nested pages, e.g. "/teammembers/smith.xsl", the links in the menu are broken because they refer to pages that aren't in the same directory as the page i'm viewing. This is probably really easy, but I just don't know how to fix it. Is there a way to tell the XSL the root directory and/or set some sort of global directory? Thanks for your help!

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• How to Deserialize this Xml file?

  - by Robin-Hood

  Hello experts, I have this Xml file, and I need to Deserialize it back to a class. The problem is: what is the right structure/design of this class considering that the count of the Xml element (RowInfo) is not constant? The Xml File: <?xml version="1.0"?> <SomeObject xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" > <Layers> <Layer Id="0"> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,0,0,1,1,1,1,1,1,1,1,1,1,0,0,1,1,1</RowInfo> <RowInfo>1,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1</RowInfo> <RowInfo>1,1,1,0,0,1,1,1,1,1,1,1,1,1,0,0,1,0,0,1</RowInfo> <RowInfo>1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1</RowInfo> </Layer> </Layers> </SomeObject> Appreciate your help. Thanks. Edit1:also considering that (Layers) may contains more than one layer.

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• jquery to construct a string and pass it as a post argument for file

  - by user253530

  I have this js code: $("#startSearch").live("click", function(event){ $("input:checkbox[name='searchId']:checked").each(function(){ var searchId = $(this).val(); var host = ''; $.post("php/autosearch-get-host.php",{sId: searchId},function(data){ host = 'http://' + data + '/index.php'; }); //alert(host); $.getJSON(host,{searchId: $(this).val()},function(){ pagination("php/pagination.php", $('#currentPage').val(), $('#sortBy').val(), $("#sortMode").val(), "autosearch"); }); }); }); The php file php/autosearch-get-host.php returns a string with the host name. What i want is to get the host from the database, create the URL using string concatenation and pass it as an argument to another $.post. $.post should use that URL like this: $.getJSON(host,{searchId: $(this).val()},function() { pagination("php/pagination.php", $('#currentPage').val(), $('#sortBy').val(), $("#sortMode").val(), "autosearch"); });

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• Obtain Latitude and Longitude from a GeoTIFF File

  - by Mikee

  Using GDAL in Python, how do you get the latitude and longitude of a GeoTIFF file? GeoTIFF's do not appear to store any coordinate information. Instead, they store the XY Origin coordinates. However, the XY coordinates do not provide the latitude and longitude of the top left corner and bottom left corner. It appears I will need to do some math to solve this problem, but I don't have a clue on where to start. What procedure is required to have this performed? I know that the GetGeoTransform() method is important for this, however, I don't know what to do with it from there.

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• .htaccess file, IE not working Firefox, Safari & Chrome working

  - by user361284

  Hi, I've built a site in Interspire Web Publisher and it was working fine, seems to work in Firefox, Safari and Chrome but when I fired up Internet Explorer 7 & 8 only the home page works, all links to other pages show up nothing. Do you think it could have something to do with the .htaccess file? But why would it work at one point then not another? I did a test new site (its database driven) with 3 small pages and it worked fine on Internet Explorer....very weird! my website: http://www.artandepilepsy.com

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• Load a bitmap from file in RGB format (without alpha)

  - by Robert

  Hi, i simply want to load a .BMP file and get the Bitmap object in 24bit RGB format (or 32bit in RGB format). All methods I tried return a Bitmap/Image object with PixelFormat = Format32bppArgb. Even if of course BMPs don't have alpha. new Bitmap(System.Drawing.Image.FromFile(fileName, true)); new Bitmap(fileName); I currently solve the problem by copying the first object to another in memory bitmap at 24bit RBG. Is there a single method to do it? Thanks

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• C# database file directory

  - by Simon

  I'm using the windows forms aplication with an ms access database. And i would like to know if there is a way to show the directory of the database file (to save data in it)excpet like this: string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=save.mdb"; or this: "Data Source=D:\Simonova aktovka na namizju\matura\test5\save.mdb"; couse if i use the first one the aplication undos the changes i've made when i close it(the aplication) the second one makes me have to change the path everytime i bring the aplication to another computer(cous the direktory is different of coars) So... is there another way?

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• Xap file contents changes if built in Visual Studio or build server

  - by arch

  I'm using MEF with my Silverlight 4 app to dynamically load xap files. To optimize this process, I've removed various assemblies from my xaps since I know they've already been loaded by the base xap. This reduces the size of my dynamically loaded xaps. I accomplished this by setting the "Copy Local" flag for each assembly reference to "false". This all seems to work fine when I build in Visual Studio 2010 - my xaps are much smaller. However, when the same projects are built by the build server, all the excluded references are once again in the xap file hence tripling the size of the xap. I've read several blogs/articles regarding similar experiences but no resolution. Very frustrating - any help is appreciated.

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• .config file not loaded from working directory

  - by Phil Coveney

  I am new to using .config files, having worked on apps that use .INI files and the registry until very recently. I am seeing a behavior in VS2008 that I would not anticipate, and wonder if it is the expected one. When I configure the Working Directory setting in the VS2008 IDE for my Foo.exe application, I would have guessed that Foo.exe.config would get loaded from that Working Directory. It does not; it gets loaded from the ..\bin\Debug directory, even if I have a Foo.exe.config file in that Working Directory. If I examine the Environment.CurrentDirectory while the configuration is being applied by setting a breakpoint, I see that it is ..\bin\Debug. When I examine the Environment.CurrentDirectory after my main UI's Loaded event, it is set to the Working Directory I applied in the IDE. Is this correct? (Why?)

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• Reversing the effects of mkimage to get an original gzipped file back

  - by Alex Marshall

  Hello, We develop for a specific embedded device at our company, and part of that is making initial root disks that get loaded onto the devices over ethernet via netboot. We've experienced some problems, and as a result, the original folder with the contents of the initial root disks was lost along with its backups, but we do still have the initrd images, that have been created by gzipping the contents of a ramdisk that's been mounted as a local loop device, and then running mkimage on the gzipped file. Is there any way to undo the effects of mkimage and obtain the original gzipped content so that we can recover the original images ?

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• htaccess Redirect - First Segment to PHP File, Second Segment as Parameter

  - by Steve

  My htaccess redirect knowledge is somewhat weak, so I was hoping to get some help here. I currently have the following redirect, which works well: # remove trailing slash RewriteRule ^(.*)/$ /$1 [L,R=301] # redirect to clean URL RewriteCond /%{REQUEST_FILENAME}.php -f RewriteRule ^([a-zA-Z0-9_-\s]+)$ /$1.php This takes a URL like www.mysite.com/about to www.mysite.com/about.php Now I would like to keep this behavior, but add parameters (if applicable), as such: www.mysite.com/about = www.mysite.com/about.php www.mysite.com/gallery/1 = www.mysite.com/gallery.php?id=1 If possible, I might like to expand this system to 2 or more parameters, as such: www.mysite.com/gallery/1/2 = www.mysite.com/gallery.php?id=1&section=2 So the pattern would be: First URL segment redirects to a PHP file (Optionally) the second segment gets added as the id parameter (Optionally) the third segment gets added as the section parameter

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• Regex to match CSV file nested quotes

  - by user361970

  Hi, I know this has been discussed a million times. I tried searching through the forums and have seen some close regex expressions and tried to modify them but to no avail. Say there is a line in a csv file like this: "123", 456, "701 "B" Street", 910 Is there an easy regex to detect "B" (since its a non-escaped set of quotes within the normal CSV quotes) and replace it with something like \"B\" ? The final string would end up looking like this: "123", 456, "701 \"B\" Street", 910 Help would be greatly appreciated!

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