file transfer - Page 90

Anyone know a good web-based file upload package?

- by Ted Wexler

Basically, what I'm looking for is a place for either one of our end users to be able to upload a file to this package, after either receiving a code from one of our support engineers or vice-versa(our engineers upload a file and send a code/link/something to end user) I've spent a bunch of time googling this, I found this: http://turin.nss.udel.edu/programming/dropbox2/, but the code there scares me, and it also doesn't render properly using PHP 5.3(uses short tags, who knows what else.) Does anyone have any recommendations?

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Blocking of certain file downloads

- by Philip Fourie

I have a problem where I cannot completely download a certain file from a server. The file is 1.9MB in size but only 68% is downloaded and then it hangs. I tried and these cases, which failed: Downloaded the file with HTTP Downloaded the file with FTP Moved the file to different FTP and web servers behind the ISA firewall Tried with IIS 6.0 & IIS 7.0 Multiple download clients. Which included FireFox, FileZilla (on Windows) and wget (on Linux) This worked: Downloading other files from the same location on the server. Both bigger and smaller and in size than the original. FTP and HTTP worked. Earlier version of this file (.DLL) works. It is as if the content of this file has an influence on this file being served. Network architecture: Client Machine - Internet (ISP) - ISA Server - IIS 7.0 The only constants are the ISP, Cisco router and the ISA server. Is it possible that something is rejecting the download because of the contents of the file? I am hoping ISA is the culprit... I am not a ISA expert is there somewhere I can look to establish if it is indeed ISA causing this? Update: Splitting the file into two parts with a hex editor results in one half of the file being served correctly and the other part not. Zipping the file results in the file being downloaded successfully. However this is not an option for this particular scenario. Renaming the file and its extension also doesn't work. Update 2009/10/22: It does NOT seems to be ISA that is causing this problem. We connected a laptop (running IIS) on an available public IP and still the file download to 68% before it hanged. The two remaining components are the ISP and the Cisco 800 series router. Anyone knows about an issue on the router perhaps?

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how to copy a disc with audio_ts and video_ts

- by user23950

How do I copy it? I can only see those two folders when I try to see the contents of the dvd. And inside those folders I see a .vob file. Do I need to have a dvd ripping software to do the job for me?

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How do you remove a default program association for file types in Windows?

- by Christothes

I somehow have set the default filetype association for a filetype in windows 7. It doesn't appear to be possible to delete it from the "change the file type associated with a file extention" options screen.

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Windows 7 batch files: How to write string to text file without carriage return AND trailing space?

- by oscilatingcretin

I am trying to have my batch file write a string of text to a text file. At first, the command I was using was writing an extra carriage return to the end of the string, but I found this command that prevented that: echo|set /p=hello>hello.txt However, now it's putting a trailing space at the end. I need only the string I specify to be written without any extra characters. Is this possible?

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delete multiple files on linux with spaces in file names

- by raido

I have a directory on my Linux box with over 10000 files that I have to delete. Running... sudo rm -rf /var/tmp/* Gives the error message... sudo: unable to execute /bin/rm: Argument list too long The solution to this is to run sudo find /var/tmp | xargs sudo rm This only works for files with no spaces in the file name. However, some of the files have names with spaces in them and they are not deleted. For example, if a file is named 'A File With Spaces in the Name.dat', Running the command gives me errors like this.... rm: cannot remove `/var/tmp/A': No such file or directory rm: cannot remove `File': No such file or directory rm: cannot remove `With': No such file or directory rm: cannot remove `Spaces': No such file or directory rm: cannot remove `in': No such file or directory rm: cannot remove `the': No such file or directory rm: cannot remove `Name.dat': No such file or directory How do I pass the complete file path to xargs sudo rm without breaking up the file name.

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how do i remove file properties like 'user' and 'computer'?

- by mataal

How can I remove file properties like 'user' and 'computer' in Windows 7? I think this is 'personal information' and don't want the file to have this information when I share it.

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Settings permissions on /var/www

- by ed1t

I'm running ubuntu server and have apache installed as a web server. I'm letting my web developers upload files through sftp (ssh) to /var/www. I'm using www-data group to control access to /var/www folder. They are able to upload the files successfully but when they try to access that file in a browser, they get a 403 forbidden error. How do I make sure that when the files are uploaded, the permissions are set right?

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How do I change the application associated with a file type but keep its icon.

- by yngvedh

Hi I want to change the default application for some file extensions but doing so also changes the icons (and file type information). Is there any way to do this without also changing its icon? Alternatively, I can change the application and then change only the icon back afterwards. How would I go about doing this?

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How to append to a file as sudo? [closed]

- by obvio171

Possible Duplicate: sudo unable to write to /etc/profile I want to do: echo "something" >> /etc/config_file But, since only the root user has write permission to this file, I can't do that. But this: sudo echo "something" >> /etc/config_file also doesn't work. Is there any way to append to a file in that situation without having to first open it with a sudo'd editor and then appending the new content by hand?

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What are my options for a secure External File Share in Server 2008 R2?

- by Nitax

Hi, I have a Windows Server 2008 R2 machine installed on a home network with a number of files that need to be shared in a few different scenarios. I would like for all three scenarios to have a solution with some sort of encyption to protect the data during transfer. Scenario 1: I need to access files from my laptop (Mac OSX) or another computer outside of the network. This option seems like the easy one to answer in that I could use LogMeIn, the windows VPN, etc. to create such a connection. Scenario 2: I need to provide access to another user with minimal installation / configuration on his or her end. This makes me think of the new FTP 7.5 provided with Server 2008 R2 but i'm not sure of the details: Does it support SSH or some other form of encryption?, can an OSX user connect?, etc. My question here is what are my options? I really just don't know where to get started...

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Creating a file upload template in Doctrine ORM

- by balupton

Hey all. I'm using Doctrine 1.2 as my ORM for a Zend Framework Project. I have defined the following Model for a File. File: columns: id: primary: true type: integer(4) unsigned: true code: type: string(255) unique: true notblank: true path: type: string(255) notblank: true size: type: integer(4) type: type: enum values: [file,document,image,video,audio,web,application,archive] default: unknown notnull: true mimetype: type: string(20) notnull: true width: type: integer(2) unsigned: true height: type: integer(2) unsigned: true Now here is the File Model php class (just skim through for now): <?php /** * File * * This class has been auto-generated by the Doctrine ORM Framework * * @package ##PACKAGE## * @subpackage ##SUBPACKAGE## * @author ##NAME## <##EMAIL##> * @version SVN: $Id: Builder.php 6365 2009-09-15 18:22:38Z jwage $ */ class File extends BaseFile { public function setUp ( ) { $this->hasMutator('file', 'setFile'); parent::setUp(); } public function setFile ( $file ) { global $Application; // Configuration $config = array(); $config['bal'] = $Application->getOption('bal'); // Check the file if ( !empty($file['error']) ) { $error = $file['error']; switch ( $file['error'] ) { case UPLOAD_ERR_INI_SIZE : $error = 'ini_size'; break; case UPLOAD_ERR_FORM_SIZE : $error = 'form_size'; break; case UPLOAD_ERR_PARTIAL : $error = 'partial'; break; case UPLOAD_ERR_NO_FILE : $error = 'no_file'; break; case UPLOAD_ERR_NO_TMP_DIR : $error = 'no_tmp_dir'; break; case UPLOAD_ERR_CANT_WRITE : $error = 'cant_write'; break; default : $error = 'unknown'; break; } throw new Doctrine_Exception('error-application-file-' . $error); return false; } if ( empty($file['tmp_name']) || !is_uploaded_file($file['tmp_name']) ) { throw new Doctrine_Exception('error-application-file-invalid'); return false; } // Prepare config $file_upload_path = realpath($config['bal']['files']['upload_path']) . DIRECTORY_SEPARATOR; // Prepare file $filename = $file['name']; $file_old_path = $file['tmp_name']; $file_new_path = $file_upload_path . $filename; $exist_attempt = 0; while ( file_exists($file_new_path) ) { // File already exists // Pump exist attempts ++$exist_attempt; // Add the attempt to the end of the file $file_new_path = $file_upload_path . get_filename($filename,false) . $exist_attempt . get_extension($filename); } // Move file $success = move_uploaded_file($file_old_path, $file_new_path); if ( !$success ) { throw new Doctrine_Exception('Unable to upload the file.'); return false; } // Secure $file_path = realpath($file_new_path); $file_size = filesize($file_path); $file_mimetype = get_mime_type($file_path); $file_type = get_filetype($file_path); // Apply $this->path = $file_path; $this->size = $file_size; $this->mimetype = $file_mimetype; $this->type = $file_type; // Apply: Image if ( $file_type === 'image' ) { $image_dimensions = image_dimensions($file_path); if ( !empty($image_dimensions) ) { // It is not a image we can modify $this->width = 0; $this->height = 0; } else { $this->width = $image_dimensions['width']; $this->height = $image_dimensions['height']; } } // Done return true; } /** * Download the File * @return */ public function download ( ) { global $Application; // File path $file_upload_path = realpath($config['bal']['files']['upload_path']) . DIRECTORY_SEPARATOR; $file_path = $file_upload_path . $this->file_path; // Output result and download become_file_download($file_path, null, null); die(); } public function postDelete ( $Event ) { global $Application; // Prepare $Invoker = $Event->getInvoker(); // Configuration $config = array(); $config['bal'] = $Application->getOption('bal'); // File path $file_upload_path = realpath($config['bal']['files']['upload_path']) . DIRECTORY_SEPARATOR; $file_path = $file_upload_path . $this->file_path; // Delete the file unlink($file_path); // Done return true; } } What I am hoping to accomplish is so that the above custom functionality within my model file can be turned into a validator, template, or something along the lines. So hopefully I can do something like: File: actAs: BalFile: columns: id: primary: true type: integer(4) unsigned: true code: type: string(255) unique: true notblank: true path: type: string(255) notblank: true size: type: integer(4) type: type: enum values: [file,document,image,video,audio,web,application,archive] default: unknown notnull: true mimetype: type: string(20) notnull: true width: type: integer(2) unsigned: true height: type: integer(2) unsigned: true I'm hoping for a validator so that say if I do $File->setFile($_FILE['uploaded_file']); It will provide a validation error, except in all the doctrine documentation it has little on custom validators, especially in the contect of "virtual" fields. So in summary, my question is: How earth can I go about making a template/extension to porting this functionality? I have tried before with templates but always gave up after a day :/ If you could take the time to port the above I would greatly appreciate it.

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How to transfer objects through the header in WCF

- by Michael

I'm trying to transfer some user information in the header of the message through message inspectors. I have created a behavior which adds the inspector to the service (both client and server). But when I try to communicate with the service I get the following error: XmlException: Name cannot begin with the '<' character, hexadecimal value 0x3C. I have also get exception telling me that DataContracts where unexpected. Type 'System.DelegateSerializationHolder+DelegateEntry' with data contract name 'DelegateSerializationHolder.DelegateEntry:http://schemas.datacontract.org/2004/07/System' is not expected. Consider using a DataContractResolver or add any types not known statically to the list of known types - for example, by using the KnownTypeAttribute attribute or by adding them to the list of known types passed to DataContractSerializer. The thing is that my object contains other objects which are marked as DataContract and I'm not interested adding the KnownType attribute for those types. Another problem might be that my object to serialize is very restricted in form of internal class and internal properties etc. Can anyone guide me in the right direction. What I'm I doing wrong? Some code: public virtual object BeforeSendRequest(ref Message request, IClientChannel channel) { var header = MessageHeader.CreateHeader("<name>", "<namespace>", object); request.Headers.Add(header); return Guid.NewGuid(); }

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Using both chunked transfer encoding and gzip

- by RadiantHeart

I recently started using gzip on my site and it worked like charm on all browsers except Opera which gives an error saying it could not decompress the content due to damaged data. From what I can gather from testing and googling it might be a problem with using both gzip and chunked transfer encoding. The fact that there is no error when requesting small files like css-files also points in that direction. Is this a known issue or is there something else that I havent thought about? Someone also mentioned that it could have something to do with sending a Content-Length header. Here is a simplified version of the most relevant part of my code: $contents = ob_get_contents(); ob_end_clean(); header('Content-Encoding: '.$encoding); print("\x1f\x8b\x08\x00\x00\x00\x00\x00"); $size = strlen($contents); $contents = gzcompress($contents, 9); $contents = substr($contents, 0, $size); print($contents); exit();

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Secure Password Storage and Transfer

- by Andras Zoltan

I'm developing a new user store for my organisation and am now tackling password storage. The concepts of salting, HMAC etc are all fine with me - and want to store the users' passwords either salted and hashed, HMAC hashed, or HMAC salted and hashed - not sure what the best way will be - but in theory it won't matter as it will be able to change over time if required. I want to have an XML & JSON service that can act as a Security Token Service for client-side apps. I've already developed one for another system, which requires that the client double-encrypts a clear-text password using SHA1 first and then HMACSHA1 using a 128 unique key (or nonce) supplied by the server for that session only. I'd like to repeat this technique for the new system - upgrading the algo to SHA256 (chosen since implementations are readily available for all aforementioned platforms - and it's much stronger than SHA1) - but there is a problem. If I'm storing the password as a salted hash in the user-store, the client will need to be sent that salt in order to construct the correct hash before being HMACd with the unique session key. This would completely go against the point of using a salt in the first place. Equally, if I don't use salt for password storage, but instead use HMAC, it's still the same problem. At the moment, the only solution I can see is to use naked SHA256 hashing for the password in the user store, so that I can then use this as a starting point on both the server and the client for a more secure salted/hmacd password transfer for the web service. This still leaves the user store vulnerable to a dictionary attack were it ever to be accessed; and however unlikely that might be - assuming it will never happen simply doesn't sit well with me. Greatly appreciate any input.

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transfer database from local machine to hosting server

- by c11ada

hey all, im trying to transfer my database from local machine to server, im using the publish to provider wizard in visual web developer to generate a scrip, im then using the generated script on the serever database. i keep getting the following error can some one please tell where im going wrong Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_RemoveUsersFromRoles, Line 53 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_RemoveUsersFromRoles, Line 58 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_RemoveUsersFromRoles, Line 87 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_RemoveUsersFromRoles, Line 92 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_AddUsersToRoles, Line 48 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_AddUsersToRoles, Line 52 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_AddUsersToRoles, Line 79 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_AddUsersToRoles, Line 83 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 468, Level 16, State 9, Procedure aspnet_UsersInRoles_AddUsersToRoles, Line 93 Cannot resolve the collation conflict between "Latin1_General_CI_AS" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation. Msg 15151, Level 16, State 1, Line 1 Cannot find the object 'aspnet_UsersInRoles_AddUsersToRoles', because it does not exist or you do not have permission. Msg 15151, Level 16, State 1, Line 1 Cannot find the object 'aspnet_UsersInRoles_RemoveUsersFromRoles', because it does not exist or you do not have permission. thanks

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How do I create a dynamic data transfer object dynamically from ADO.net model

- by Richard

I have a pretty simple database with 5 tables, PK's and relationships setup, etc. I also have an ASP.net MVC3 project I'm using to create simple web services to feed JSON/XML to a mobile app using post/get. To access my data I'm using an ADO.net entity model class to handle generation of the entities, etc. Due to issues with serialization/circular references created by the auto-generated relations from ADO.net entity model, I've been forced to create "Data transfer objects" to strip out the relations and data that doesn't need to be transferred. Question 1: is there an easier way to create DTOs using the entity framework itself? IE, specify only the entity properties I want to convert to Jsonresults? I don't wish to use any 3rd party frameworks if I can help it. Question 2: A side question for Entity Framework, say I create an ADO.net entity model in one project within a solution. Because that model relies on the connection to the database specified in project A, can project B somehow use that model with a similar connection? Both projects are in the same solution. Thanks!

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Python: How to transfer varrying length arrays over a network connection

- by Devin

Hi, I need to transfer an array of varying length in which each element is a tuple of two integers. As an example: path = [(1,1),(1,2)] path = [(1,1),(1,2),(2,2)] I am trying to use pack and unpack, however, since the array is of varying length I don't know how to create a format such that both know the format. I was trying to turn it into a single string with delimiters, such as: msg = 1&1~1&2~ sendMsg = pack("s",msg) or sendMsg = pack("s",str(msg)) on the receiving side: path = unpack("s",msg) but that just prints 1 in this case. I was also trying to send 4 integers as well, which send and receive fine, so long as I don't include the extra string representing the path. sendMsg = pack("hhhh",p.direction[0],p.direction[1],p.id,p.health) on the receive side: x,y,id,health = unpack("hhhh",msg) The first was for illustration as I was trying to send the format "hhhhs", but either way the path doesn't come through properly. Thank-you for your help. I will also be looking at sending a 2D array of ints, but I can't seem to figure out how to send these more 'complex' structures across the network. Thank-you for your help.

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file transfer through bluetooth

- by venkat

is it possible to transfer files from one android phone to any other device through bluetooth? if possible the send give me a link the sample code... switch (msg.what) { case MESSAGE_STATE_CHANGE: if(D) Log.i(TAG, "MESSAGE_STATE_CHANGE: " + msg.arg1); switch (msg.arg1) { case BluetoothChatService.STATE_CONNECTED: mTitle.setText(R.string.title_connected_to); mTitle.append(mConnectedDeviceName); mConversationArrayAdapter.clear(); break; case BluetoothChatService.STATE_CONNECTING: mTitle.setText(R.string.title_connecting); break; case BluetoothChatService.STATE_LISTEN: case BluetoothChatService.STATE_NONE: mTitle.setText(R.string.title_not_connected); break; } break; case MESSAGE_WRITE: byte[] writeBuf = (byte[]) msg.obj; // construct a string from the buffer String writeMessage = new String(writeBuf); mConversationArrayAdapter.add("Me: " + writeMessage); break; case MESSAGE_READ: byte[] readBuf = (byte[]) msg.obj; // construct a string from the valid bytes in the buffer String readMessage = new String(readBuf, 0, msg.arg1); mConversationArrayAdapter.add(mConnectedDeviceName+": " + readMessage); break; case MESSAGE_DEVICE_NAME: // save the connected device's name mConnectedDeviceName = msg.getData().getString(DEVICE_NAME); Toast.makeText(getApplicationContext(), "Connected to " + mConnectedDeviceName, Toast.LENGTH_SHORT).show(); break; case MESSAGE_TOAST: Toast.makeText(getApplicationContext(), msg.getData().getString(TOAST), Toast.LENGTH_SHORT).show(); break;

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WiX 3 Tutorial: Understanding main WXS and WXI file

- by Mladen Prajdic

In the previous post we’ve taken a look at the WiX solution/project structure and project properties. We’re still playing with our super SuperForm application and today we’ll take a look at the general parts of the main wxs file, SuperForm.wxs, and the wxi include file. For wxs file we’ll just go over the general description of what each part does in the code comments. The more detailed descriptions will be in future posts about features themselves. WXI include file Include files are exactly what their name implies. To include a wxi file into the wxs file you have to put the wxi at the beginning of each .wxs file you wish to include it in. If you’ve ever worked with C++ you can think of the include files as .h files. For example if you include SuperFormVariables.wxi into the SuperForm.wxs, the variables in the wxi won’t be seen in FilesFragment.wxs or RegistryFragment.wxs. You’d have to include it manually into those two wxs files too. For preprocessor variable $(var.VariableName) to be seen by every file in the project you have to include them in the WiX project properties->Build->“Define preprocessor variables” textbox. This is why I’ve chosen not to go this route because in multi developer teams not everyone has the same directory structure and having a single variable would mean each developer would have to checkout the wixproj file to edit the variable. This is pretty much unacceptable by my standards. This is why we’ve added a System Environment variable named SuperFormFilesDir as is shown in the previous Wix Tutorial post. Because the FilesFragment.wxs is autogenerated on every project build we don’t want to change it manually each time by adding the include wxi at the beginning of the file. This way we couldn’t recreate it in each pre-build event. <?xml version="1.0" encoding="utf-8"?><Include>  <?define MajorVersion="1" ?> <?define MinorVersion="0" ?> <?define BuildVersion="0" ?>  <?define Revision="0" ?>  <?define VersionNumber="$(var.MajorVersion).$(var.MinorVersion).$(var.BuildVersion).$(var.Revision)" ?>  <?define UpgradeCode="YOUR-GUID-HERE" ?>  <?define ResourcesDir="$(var.ProjectDir)\Resources" ?>  <?define ExeProcessName="SuperForm.MainApp.exe" ?></Include> For now there’s no way to tell WiX in Visual Studio to have a wxi include file available to the whole project, so you have to include it in each file separately. Only variables set in “Define preprocessor variables” or System Environment variables are accessible to the whole project for now. The main WXS file: SuperForm.wxs We’ll only take a look at the general structure of the main SuperForm.wxs and not its the details. We’ll cover the details in future posts. The code comments should provide plenty info about what each part does in general. Basically there are 5 major parts. The update part, the conditions and actions part, the UI install sequence, the directory structure and the features we want to include. <?xml version="1.0" encoding="UTF-8"?><Wix xmlns="http://schemas.microsoft.com/wix/2006/wi" xmlns:util="http://schemas.microsoft.com/wix/UtilExtension">  <?include $(sys.CURRENTDIR)Includes\SuperFormVariables.wxi ?>  <Product Id="*" Name="!(loc.ProductName) $(var.VersionNumber)" Language="!(loc.LANG)" Version="$(var.VersionNumber)" Manufacturer="!(loc.ManufacturerName)" UpgradeCode="$(var.UpgradeCode)">  <Package InstallerVersion="300" Compressed="yes" InstallScope="perMachine"/> <Media Id="1" Cabinet="media1.cab" EmbedCab="yes" />  <Upgrade Id="$(var.UpgradeCode)"> <UpgradeVersion OnlyDetect="yes" Minimum="$(var.VersionNumber)" IncludeMinimum="no" Property="NEWER_VERSION_FOUND" /> <UpgradeVersion Minimum="0.0.0.0" IncludeMinimum="yes" Maximum="$(var.VersionNumber)" IncludeMaximum="no" Property="OLDER_VERSION_FOUND" /> </Upgrade>  <PropertyRef Id="NETFRAMEWORK35"/>  <Condition Message="!(loc.DotNetFrameworkNeeded)"> <![CDATA[Installed OR NETFRAMEWORK35]]> </Condition> <Condition Message="!(loc.AppNotSupported)"> <![CDATA[Installed OR ((VersionNT >= 501 AND ServicePackLevel >= 2) OR (VersionNT >= 502))]]> </Condition>  <CustomAction Id="NewerVersionFound" Error="!(loc.SuperFormNewerVersionInstalled)" /> <InstallExecuteSequence>  <Custom Action="NewerVersionFound" After="FindRelatedProducts"> <![CDATA[NEWER_VERSION_FOUND]]> </Custom>  <RemoveExistingProducts After="InstallInitialize"/>  <Custom Action="WixCloseApplications" Before="InstallInitialize" /> </InstallExecuteSequence>  <util:CloseApplication Id="CloseSuperForm" CloseMessage="no" Description="!(loc.MustCloseSuperForm)" ElevatedCloseMessage="no" RebootPrompt="no" Target="$(var.ExeProcessName)" />  <UIRef Id="WixUI_InstallDir" /> <UI>  <DialogRef Id="FilesInUse" /> <DialogRef Id="MsiRMFilesInUse" />  </UI>  <Icon Id="SuperFormIcon.ico" SourceFile="$(var.ResourcesDir)\Exclam.ico" /> <Property Id="ARPPRODUCTICON" Value="SuperFormIcon.ico" />   <Directory Id="TARGETDIR" Name="SourceDir"> <Directory Id="ProgramFilesFolder"> <Directory Id="INSTALLLOCATION" Name="!(loc.ProductName)" /> </Directory> </Directory>  <Property Id="WIXUI_INSTALLDIR" Value="INSTALLLOCATION" />  <Feature Id="SuperFormFeature" Title="!(loc.ProductName)" Level="1"> <ComponentGroupRef Id="SuperFormFiles" /> <ComponentRef Id="cmpVersionInRegistry" /> <ComponentRef Id="cmpIsThisUpdateInRegistry" /> </Feature> </Product></Wix> For more info on what certain attributes mean you should look into the WiX Documentation. WiX 3 tutorial by Mladen Prajdic navigation WiX 3 Tutorial: Solution/Project structure and Dev resources WiX 3 Tutorial: Understanding main wxs and wxi file WiX 3 Tutorial: Generating file/directory fragments with Heat.exe

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Metro: Understanding the default.js File

- by Stephen.Walther

The goal of this blog entry is to describe — in painful detail — the contents of the default.js file in a Metro style application written with JavaScript. When you use Visual Studio to create a new Metro application then you get a default.js file automatically. The file is located in a folder named \js\default.js. The default.js file kicks off all of your custom JavaScript code. It is the main entry point to a Metro application. The default contents of the default.js file are included below: // For an introduction to the Blank template, see the following documentation: // http://go.microsoft.com/fwlink/?LinkId=232509 (function () { "use strict"; var app = WinJS.Application; app.onactivated = function (eventObject) { if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) { if (eventObject.detail.previousExecutionState !== Windows.ApplicationModel.Activation.ApplicationExecutionState.terminated) { // TODO: This application has been newly launched. Initialize // your application here. } else { // TODO: This application has been reactivated from suspension. // Restore application state here. } WinJS.UI.processAll(); } }; app.oncheckpoint = function (eventObject) { // TODO: This application is about to be suspended. Save any state // that needs to persist across suspensions here. You might use the // WinJS.Application.sessionState object, which is automatically // saved and restored across suspension. If you need to complete an // asynchronous operation before your application is suspended, call // eventObject.setPromise(). }; app.start(); })(); There are several mysterious things happening in this file. The purpose of this blog entry is to dispel this mystery. Understanding the Module Pattern The first thing that you should notice about the default.js file is that the entire contents of this file are enclosed within a self-executing JavaScript function: (function () { ... })(); Metro applications written with JavaScript use something called the module pattern. The module pattern is a common pattern used in JavaScript applications to create private variables, objects, and methods. Anything that you create within the module is encapsulated within the module. Enclosing all of your custom code within a module prevents you from stomping on code from other libraries accidently. Your application might reference several JavaScript libraries and the JavaScript libraries might have variables, objects, or methods with the same names. By encapsulating your code in a module, you avoid overwriting variables, objects, or methods in the other libraries accidently. Enabling Strict Mode with “use strict” The first statement within the default.js module enables JavaScript strict mode: 'use strict'; Strict mode is a new feature of ECMAScript 5 (the latest standard for JavaScript) which enables you to make JavaScript more strict. For example, when strict mode is enabled, you cannot declare variables without using the var keyword. The following statement would result in an exception: hello = "world!"; When strict mode is enabled, this statement throws a ReferenceError. When strict mode is not enabled, a global variable is created which, most likely, is not what you want to happen. I’d rather get the exception instead of the unwanted global variable. The full specification for strict mode is contained in the ECMAScript 5 specification (look at Annex C): http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf Aliasing the WinJS.Application Object The next line of code in the default.js file is used to alias the WinJS.Application object: var app = WinJS.Application; This line of code enables you to use a short-hand syntax when referring to the WinJS.Application object: for example, app.onactivated instead of WinJS.Application.onactivated. The WinJS.Application object represents your running Metro application. Handling Application Events The default.js file contains an event handler for the WinJS.Application activated event: app.onactivated = function (eventObject) { if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) { if (eventObject.detail.previousExecutionState !== Windows.ApplicationModel.Activation.ApplicationExecutionState.terminated) { // TODO: This application has been newly launched. Initialize // your application here. } else { // TODO: This application has been reactivated from suspension. // Restore application state here. } WinJS.UI.processAll(); } }; This WinJS.Application class supports the following events: · loaded – Happens after browser DOMContentLoaded event. After this event, the DOM is ready and you can access elements in a page. This event is raised before external images have been loaded. · activated – Triggered by the Windows.UI.WebUI.WebUIApplication activated event. After this event, the WinRT is ready. · ready – Happens after both loaded and activated events. · unloaded – Happens before application is unloaded. The following default.js file has been modified to capture each of these events and write a message to the Visual Studio JavaScript Console window: (function () { "use strict"; var app = WinJS.Application; WinJS.Application.onloaded = function (e) { console.log("Loaded"); }; WinJS.Application.onactivated = function (e) { console.log("Activated"); }; WinJS.Application.onready = function (e) { console.log("Ready"); } WinJS.Application.onunload = function (e) { console.log("Unload"); } app.start(); })(); When you execute the code above, a message is written to the Visual Studio JavaScript Console window when each event occurs with the exception of the Unload event (presumably because the console is not attached when that event is raised). Handling Different Activation Contexts The code for the activated handler in the default.js file looks like this: app.onactivated = function (eventObject) { if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) { if (eventObject.detail.previousExecutionState !== Windows.ApplicationModel.Activation.ApplicationExecutionState.terminated) { // TODO: This application has been newly launched. Initialize // your application here. } else { // TODO: This application has been reactivated from suspension. // Restore application state here. } WinJS.UI.processAll(); } }; Notice that the code contains a conditional which checks the Kind of the event (the value of e.detail.kind). The startup code is executed only when the activated event is triggered by a Launch event, The ActivationKind enumeration has the following values: · launch · search · shareTarget · file · protocol · fileOpenPicker · fileSavePicker · cacheFileUpdater · contactPicker · device · printTaskSettings · cameraSettings Metro style applications can be activated in different contexts. For example, a camera application can be activated when modifying camera settings. In that case, the ActivationKind would be CameraSettings. Because we want to execute our JavaScript code when our application first launches, we verify that the kind of the activation event is an ActivationKind.Launch event. There is a second conditional within the activated event handler which checks whether an application is being newly launched or whether the application is being resumed from a suspended state. When running a Metro application with Visual Studio, you can use Visual Studio to simulate different application execution states by taking advantage of the Debug toolbar and the new Debug Location toolbar. Handling the checkpoint Event The default.js file also includes an event handler for the WinJS.Application checkpoint event: app.oncheckpoint = function (eventObject) { // TODO: This application is about to be suspended. Save any state // that needs to persist across suspensions here. You might use the // WinJS.Application.sessionState object, which is automatically // saved and restored across suspension. If you need to complete an // asynchronous operation before your application is suspended, call // eventObject.setPromise(). }; The checkpoint event is raised when your Metro application goes into a suspended state. The idea is that you can save your application data when your application is suspended and reload your application data when your application resumes. Starting the Application The final statement in the default.js file is the statement that gets everything going: app.start(); Events are queued up in a JavaScript array named eventQueue . Until you call the start() method, the events in the queue are not processed. If you don’t call the start() method then the Loaded, Activated, Ready, and Unloaded events are never raised. Summary The goal of this blog entry was to describe the contents of the default.js file which is the JavaScript file which you use to kick off your custom code in a Windows Metro style application written with JavaScript. In this blog entry, I discussed the module pattern, JavaScript strict mode, handling first chance exceptions, WinJS Application events, and activation contexts.

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Definition could not be found error compiling ClassReference in CSS file to Swf file

- by Roaders

Hi All I am compiling my css files to swf files and loading them at run time. I have no problem compiling these and using ClassReference statements most of the time: .miniCashLadderGridStyle { color : #2a2a2a; backgroundAlpha : 0; borderSkin : ClassReference("mx.skins.ProgrammaticSkin"); headerSortSeparatorSkin : ClassReference("mx.skins.ProgrammaticSkin"); horizontalSeparatorSkin : ClassReference("company.assets.GridHorzDivLine"); verticalSeparatorSkin : ClassReference("company.assets.GridVertDivLine"); } That works fine. The assets come from a seperate swc, However this: header-background-skin : ClassReference("company.view.grid.skin.HeaderBackground"); Does not work. The difference is that the HeaderBackground is a class in the same project as the css file. That does compiel fine if I move the style into my mxml file though. I wonder if the compiler uses different source paths when compiling the css fiels or something. This is in FlashBuilder 4 build 269271 SDK 13963

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django return file over HttpResonse - file is not served correctly

- by Tom Tom

I want to return some files in a HttpResponse and I'm using the following function. The file that is returned always has a filesize of 1kb and I do not know why. I can open the file, but it seems that it is not served correctly. Thus I wanted to know how one can return files with django/python over a HttpResponse. @login_required def serve_upload_files(request, file_url): import os.path import mimetypes mimetypes.init() try: file_path = settings.UPLOAD_LOCATION + '/' + file_url fsock = open(file_path,"r") #fsock = open(file_path,"r").read() file_name = os.path.basename(file_path) mime_type_guess = mimetypes.guess_type(file_name) try: if mime_type_guess is not None: response = HttpResponse(mimetype=mime_type_guess[0]) response['Content-Disposition'] = 'attachment; filename=' + file_name response.write(fsock) finally: fsock.close() except IOError: response = HttpResponseNotFound() return response

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How do I get a mp3 file's total time in Java?

- by Tom Brito

The answers provided in How do I get a sound file’s total time in Java? work well for wav files, but not for mp3 files. They are (given a file): AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(file); AudioFormat format = audioInputStream.getFormat(); long frames = audioInputStream.getFrameLength(); double durationInSeconds = (frames+0.0) / format.getFrameRate(); and: AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(file); AudioFormat format = audioInputStream.getFormat(); long audioFileLength = file.length(); int frameSize = format.getFrameSize(); float frameRate = format.getFrameRate(); float durationInSeconds = (audioFileLength / (frameSize * frameRate)); They give the same correct result for wav files, but wrong and different results for mp3 files. Any idea what do I have to do to get the mp3 file's duration?

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VB.Net: How to fill in a form in a website, then click at a button and download the file using webbr

- by BasisBit

I am using a WebBrowser-Control to fill in a webform and then click at a button, this currently results in a standard Download File Dialog (you get these if you download a file using internet explorer), but instead, I have to catch this file and save it automatically with a by me defined name to a specific folder. I am trying to code a little application in vb.net which download the Export-file from my wordpress-blog, and I want to do this completely without user-interaction. Currently everything works, except the downloading of the file. I tried to catch it with the event System.Windows.Controls.WebBrowser.Navigating(ByVal Object, ByVal System.Windows.Navigation.NavigatingCancelEventArgs) but I don't see where to download the file from :( I hope you guys can help me.

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