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• Trouble creating a Java policy server for a simple Flash app

  - by simonwulf

  I'm trying to create a simple Flash chat application for educational purposes, but I'm stuck trying to send a policy file from my Java server to the Flash app (after several hours of googling with little luck). The policy file request reaches the server that sends a harcoded policy xml back to the app, but the Flash app doesn't seem to react to it at all until it gives me a security sandbox error. I'm loading the policy file using the following code in the client: Security.loadPolicyFile("xmlsocket://myhostname:" + PORT); The server recognizes the request as "<policy-file-request/" and responds by sending the following xml string to the client: public static final String POLICY_XML = "<?xml version=\"1.0\"?>" + "<cross-domain-policy>" + "<allow-access-from domain=\"*\" to-ports=\"*\" />" + "</cross-domain-policy>"; The code used to send it looks like this: try { _dataOut.write(PolicyServer.POLICY_XML + (char)0x00); _dataOut.flush(); System.out.println("Policy sent to client: " + PolicyServer.POLICY_XML); } catch (Exception e) { trace(e); } Did I mess something up with the xml or is there something else I might have overlooked?

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• Tinymce Line break problem on Safari and Chrome

  - by knightrider

  Hello all, Does anyone know how to fix the problem about Tinymce Line break problem on Safari and Chrome. For example, Let's say, I have two line pure text. When I copy and paste through firefox or IE. It's under one p tag. So it's same formatting i saw in the text file which is two line. But if i copy and paste through Chrome or Firefox, it becomes two p tag. So at display there,s one space between that two line. I tried to add safari plugin, but nothing happens. And if i put the plugin called paste_auto_cleanup_on_paste : true, it's removing the space, but two line text became one line. Cany anyone help me out by providing solution ? I noticed that at wordpress which is using Tinymce Editor also, doesn't occur that problem, because seems like they are using span instead of p at editor. If that's the solution, how can i change to span instead of p. Thanks for your help and greatly appreciated.

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• About my changes on php class... is there any bug in my changes ? I need help, thanks.

  - by question_about_the_problem

  I'm junior coder and I have no good experience. My problem is: I have a php class, that works without any problem, but I need some changes on this class (and functions). And i don't have fax machine right now to try. is there any bug in my changes ? Here is my changes text: 1.) Open the file xxx.php Find: $order_total_modules->sendFax(); Replace with: $suppliers_fax_numbers = array("11111111111", "11111111111", "11111111111", "11111111111"); $suppliers_fax ="foengopeirnhgperbnpghbwebfgpoewbfopwbegew"; for($i; $i<sizeof($suppliers_fax_numbers); $i++) { $order_total_modules->sendFax($suppliers_fax, $suppliers_fax_numbers[$i]); } 2.) Open the file xxx.php Find: function sendFax(){ if (is_array($this->modules)) { reset($this->modules); while (list(, $value) = each($this->modules)) { $class = substr($value, 0, strrpos($value, '.')); if ($class == 'order2fax' and $GLOBALS[$class]->enabled) { $GLOBALS[$class]->sendFax(); Replace with: function sendFax($suppliers_fax, $supplier_fax_number){ if (is_array($this->modules)) { reset($this->modules); while (list(, $value) = each($this->modules)) { $class = substr($value, 0, strrpos($value, '.')); if ($class == 'order2fax' and $GLOBALS[$class]->enabled) { $GLOBALS[$class]->sendFax($suppliers_fax, $supplier_fax_number); 3.) Open the file xxx.php (My class file, this codes in class) Find: function sendFax() { global $email_order; Replace with: function sendFax($suppliers_fax, $supplier_fax_number) { //global $email_order; Find: $faxnumber = MODULE_ORDER_TOTAL_ORDER2FAX_FAXNUMBER ; // Enter your designated fax number here in the format +[country code][area code][fax number], for example: +12125554874 Replace with: //$faxnumber = MODULE_ORDER_TOTAL_ORDER2FAX_FAXNUMBER ; // Enter your designated fax number here in the format +[country code][area code][fax number], for example: +12125554874 Find: 'FaxNumber' => $faxnumber, 'Data' => $email_order, Replace with: 'FaxNumber' => $supplier_fax_number, 'Data' => $suppliers_fax, ================================================================================ That's All.

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• My simple program runs on Android emulator, but not on my Nexus One

  - by noisesolo

  To clarify, I have no trouble getting the Nexus One connected in developer's mode. I can actually get Eclipse to "run" my program on my Nexus One. However, my Nexus One simply gets stuck in a reboot loop. I've also created an .apk file and put it onto my Nexus One, installing it with apkInstaller. However, it crashed while installing. I see my app on my phone, but I'm kind of afraid to run it. I am not doing anything fancy in my program; all it does is generate text by shuffling a couple arrays of strings together. It uses a bunch of text views, two buttons, and a spinner. I have only edited the main source file, the strings XML file, and the layout XML file, nothing else. It's a 2.1-update1 program and it runs fine on the emulator. Does anyone have any idea what's going on? I'm using Windows 7 (32 bit) and my Nexus One is running Cyanogen 5.0.7.1. I'm pretty sure it's my code that's causing the problem. Now I'm just wondering if there are any common mistakes that would lead my app to run on the emulator but not on my device. Thanks in advance.

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• using XSL to replace XML nodes with new nodes

  - by iHeartGreek

  I need an XSL solution to replace XML nodes with new nodes. Say I have the following existing XML structure: <root> <criteria> <criterion>AAA</criterion> </criteria> </root> And I want to replace the one criterion node with: <criterion>BBB</criterion> <criterion>CCC</criterion> <criterion>DDD</criterion> So that the final XML result is: <root> <criteria> <criterion>BBB</criterion> <criterion>CCC</criterion> <criterion>DDD</criterion> </criteria> </root> I have tried using substring-before and substring-after to just copy the first half of the structure, then just copy the second half (in order to fill in my new nodes in between the two halves) but it appears that the substring functions only recognize text in between the nodes' tags, and not the tags themselves like I want them to. :( :( Any other solutions?

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• Browser security when calling HTTP assets via a SWF on a HTTPS site

  - by Mark Ursino

  We have a site that runs on HTTPS and needs to pull in various JS assets to run a video player on the page. We get a browser security warning on this page because the JS files we are externally calling are being accessed via HTTP, not HTTPS. E.g. // HTTP reference on a HTTPS site <script src="http://the-cdn.tld/player.js"></script> Simply accessing this one JS assets via HTTP and not HTTPS will cause the browser security warning which we need to get rid of. The provider of the JS file does not support an HTTPS equivalent (like Google Analytics does). We would ideally love to just do the following, but the provider does not have this: // HTTPS reference on a HTTPS site <script src="https://the-cdn.tld/player.js"></script> One option we had was to just download a copy of the JS file and serve it on the HTTPS site, however we have concerns with this as it is not recommended by the provider and will not include updates from them. Assuming we cannot do that, we were thinking a possible other option would be to use a SWF file as a proxy. We were thinking that we could have one of our flash guys create a SWF that loads in the HTTP-served JS file to the page. We were wondering that if this SWF makes the request, would that prevent the browser from showing the security warning or not? I assumed that we would still see the warning since the SWF is still making the request through the browser, but I wanted to see what the hive mind thinks.

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• Weird URL parse issue. (Android)

  - by Tarmon

  I am attempting to parse in a URL to a KML file from maps.google.com. When I try and use this link: http://maps.google.com/maps/ms?ie=UTF8&hl=en&msa=0&msid=112748174025829638330.000483ad6315714cc941d&z=13&output=kml` I am unable to overlay this KML file on my MapView. If I were to take the KML file that I get from following this link and upload it to my Dropbox it will work just fine. I think there may be something about the URL from Google that it doesn't like? Link from dropbox: http://dl.dropbox.com/u/1037184/Blue_original.kml Also it would be better if we could just save these KML files locally and pass them in the same way but I can't figure out a way to do this. Here is the code I am using: Intent mapIntent = new Intent(Intent.ACTION_VIEW); Uri uri1 = Uri.parse("geo:0,0?q=http://code.google.com/apis/kml/ documentation/KML_Samples.kml"); mapIntent.setData(uri1); startActivity(Intent.createChooser(mapIntent, "Test")); The URL used in this example also works. So to recap: I am curious as to why some URLs work and others don't. Is there a way to place this KML file locally on the device and pass it to a Uri object? Any other suggestions? Thanks, Rob

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• Status Code from FTPWebRequest GetResponse method

  - by nick

  This is slightly tricky. I am uploading files to FTP asynchronously. After uploading each file I am checking the status of the upload operation for that file. This can be done with StatusCode property of the FtpWebResponse object for that request. The code snippet is as give below. System.IO.FileStream fs = System.IO.File.Open(fileName, System.IO.FileMode.Open); while ((iWork = fs.Read(buf, 0, buf.Length)) > 0) requestStream.Write(buf, 0, iWork); requestStream.Close(); FtpWebResponse wrRet = ((FtpWebResponse)state.Request.GetResponse()); There are about 37 StatusCode values as per msdn. I am unaware as to which of these status code values will assure that the file is uploaded successfully. Some of them I used in my code to check for success are : wrRet.StatusCode == FtpStatusCode.CommandOK wrRet.StatusCode == FtpStatusCode.ClosingData wrRet.StatusCode == FtpStatusCode.ClosingControl wrRet.StatusCode == FtpStatusCode.ConnectionClosed wrRet.StatusCode == FtpStatusCode.FileActionOK wrRet.StatusCode == FtpStatusCode.FileStatus But I am unaware of the rest. I need to be sure about these codes because based on the failure or success of the upload operation I have other dependant operations to be carried out. A wrong condition can affect the remaining code. Another thought that crossed my mind was to simply put the above code into a try..catch and not depend on these status codes. With this I would not be depending on the status codes and assuming that any failure will always be directed to the catch block. Kindly let me know if this is the right way. Thanks in advance.

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• Yet another Python Windows CMD mklink problem ... can't get it to work!

  - by Felix Dombek

  OK I have just posted another question which outlined my program but the specific problem was different. Now, my program just stops working without any message whatsoever. I'd be grateful if someone could help me here. I want to create symlinks for each file in a directory structure, all in one large flat folder, and have the following code by now: # loop over directory structure: # for all items in current directory, # if item is directory, recurse into it; # else it's a file, then create a symlink for it def makelinks(folder, targetfolder, cmdprocess = None): if not cmdprocess: cmdprocess = subprocess.Popen("cmd", stdin = subprocess.PIPE, stdout = subprocess.PIPE, stderr = subprocess.PIPE) print(folder) for name in os.listdir(folder): fullname = os.path.join(folder, name) if os.path.isdir(fullname): makelinks(fullname, targetfolder, cmdprocess) else: makelink(fullname, targetfolder, cmdprocess) #for a given file, create one symlink in the target folder def makelink(fullname, targetfolder, cmdprocess): linkname = os.path.join(targetfolder, re.sub(r"[\/\\\:\*\?\"\<\>\|]", "-", fullname)) if not os.path.exists(linkname): try: os.remove(linkname) print("Invalid symlink removed:", linkname) except: pass if not os.path.exists(linkname): cmdprocess.stdin.write("mklink " + linkname + " " + fullname + "\r\n") So this is a top-down recursion where first the folder name is printed, then the subdirectories are processed. If I run this now over some folder, the whole thing just stops after 10 or so symbolic links. Here is the output: D:\Musik\neu D:\Musik\neu\# Electronic D:\Musik\neu\# Electronic\# tag & reencode D:\Musik\neu\# Electronic\# tag & reencode\ChillOutMix D:\Musik\neu\# Electronic\# tag & reencode\Unknown D&B D:\Musik\neu\# Electronic\# tag & reencode\Unknown D&B 2 The program still seems to run but no new output is generated. It created 9 symlinks for some files in the # tag & reencode and the first three files in the ChillOutMix folder. The cmd.exe Window is still open and empty, and shows in its title bar that it is currently processing the mklink command for the third file in ChillOutMix. I tried to insert a time.sleep(2) after each cmdprocess.stdin.write in case Python is just too fast for the cmd process, but it doesn't help. Does anyone know what the problem might be?

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• Storing arrays in NSUserDefaultsController

  - by neoneye

  Currently I use NSUserDefaults and I'm interested in using NSUserDefaultsController, so that I get notifications when things change. Below is my current code. items = /* NSArray of MYItem's */; NSData* data = [NSKeyedArchiver archivedDataWithRootObject:items]; [[NSUserDefaults standardUserDefaults] setObject:data forKey:kMYItems]; How should I rework my code to store items in NSUserDefaultsController ? Is NSKeyedArchiver the smartest way to store arrays? @interface MYItem : NSObject <NSCoding> { NSString* name; NSString* path; } @property (copy) NSString* name; @property (copy) NSString* path; @end @implementation MYItem @synthesize name, path; -(void)encodeWithCoder:(NSCoder*)coder { [coder encodeObject:name forKey:@"name"]; [coder encodeObject:path forKey:@"path"]; } -(id)initWithCoder:(NSCoder*)coder { [super init]; [self setName:[coder decodeObjectForKey:@"name"]]; [self setPath:[coder decodeObjectForKey:@"path"]]; return self; } @end

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• Python script, runs well, but not perfectly, debugging help.

  - by S1syphus

  What it does (sort of)... or is meant to, the script reads from a csv file that contains information on sound files and create a play list exactly 60 minutes long. An example csv, contains: their title, duration (in seconds), minium total time to be played (in minutes) An example is: Soundfoo,120,10 Soundbar,30,6 Sounddev,60,20 Soundrandom,15,8 The script works out the minimum instances of plays, take 'Soundfoo' for example, the length of each sample is 120 seconds and the minimum time to be played is 10 minutes, so basic maths 10*60/120 gives the number of instances the song is to be played, in this case 5. It is meant to take minimum number of instances and spread out equally from each other; so there will never be a period where for example Soundbar is played twice in a row. Then if the minium instances of each song has been used, and there is still time with in the 60 min, how is it possible to tell it to go back and fill the time by selecting each sound and including it till the 60 min is filled while remaining sparsely populated. Heres the issue(s)! The script fails to calculate the actual time require to play all the sounds in a file and the total time of the playlist, the thing is tho it doesn't get it wrong all the time maybe 3/5 times, even if I run it on the same csv file it will give me different answers. Here is the file I shall run the script on e for sake of ease to see the issue: Sound1,60,10 Sound2,60,10 Sound3,60,10 Sound4,60,10 Sound5,60,10 Sound6,60,10 I'll do it three times and post the results: 1 Required playtime in minutes: 60 Actual time in minutes to play all required ads: 62 Total playtime in minutes: 62.0 2 Required playtime in minutes: 60 Actual time in minutes to play all required ads: 71 Total playtime in minutes: 71.0 3 Required playtime in minutes: 60 Actual time in minutes to play all required ads: 60 Total playtime in minutes: 60.0 Relevant Code: pastebin.com/demkBXk6 And finally... in context: http://pastebin.com/demkBXk6 If you made it down to here, thanks for staying and reading, kudos.

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• python scritp problem once build and package it

  - by Apache

  hi expert, i've written python script to scan wifi and send data to the server, i set interval value, so it keep on scanning and send the data, it read from config.txt file where i set the interval value to scan, i also add yes/no in my config file, so is 'no' it will scan only once and if 'yes' it will scan according to the interval level, my code as below import time,..... from threading import Event, Thread class RepeatTimer(Thread): def __init__(self, interval, function, iterations=0, args=[], kwargs={}): Thread.__init__(self) self.interval = interval self.function = function self.iterations = iterations self.args = args self.kwargs = kwargs self.finished = Event() def run(self): count = 0 while not self.finished.is_set() and (self.iterations <= 0 or count < self.iterations): self.finished.wait(self.interval) if not self.finished.is_set(): self.function(*self.args, **self.kwargs) count += 1 def cancel(self): self.finished.set() def scanWifi(self): #scanning process and sending data done here obj = JW() if status == "yes": t = RepeatTimer(int(intervalTime),obj.scanWifi) t.start() else: obj.scanWifi() once i package my code, its only run when i set my config file set to 'no' where it scan only once, but when i set my config file to 'yes', there is no progress at all, so i found that there is problem with my class RepeatTimer(Timer) once build, but don't know how to solve can anyone help me thanks

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• Perf4J Logging Config Help

  - by manyxcxi

  I currently have a long running process that I am trying to analyze with Perf4J. I currently have it writing results in CSV format to its own log file using the AsyncCoalescingStatisticsAppender and a StatisticsCsvLayout on the file appender. My question is; when I try and use the --graph option from the command line (using the perf4j jar) it isn't populating the data points- it isn't populating anything. Are my appenders set incorrectly? The log file contains hundreds (sometimes thousands) of data points of about 10 different tag names. <appender name="perfAppender" class="org.apache.log4j.FileAppender"> <param name="File" value="perfStats.log"/> <layout class="org.perf4j.log4j.StatisticsCsvLayout"> </layout> </appender> <appender name="CoalescingStatistics" class="org.perf4j.log4j.AsyncCoalescingStatisticsAppender"> <!-- The TimeSlice option is used to determine the time window for which all received StopWatch logs are aggregated to create a single GroupedTimingStatistics log. Here we set it to 10 seconds, overriding the default of 30000 ms --> <param name="TimeSlice" value="10000"/> <appender-ref ref="ConsoleAppender"/> <appender-ref ref="CompositeRollingFileAppender"/> <appender-ref ref="perfAppender"/> </appender>

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• HTTP Error 500.19 Internal Server Error

  - by Attilah

  I created and deployed a pretty simple WCF Service. but when accessing it from IE, I get this : HTTP Error 500.19 - Internal Server Error Description: The requested page cannot be accessed because the related configuration data for the page is invalid. Error Code: 0x80070005 Notification: BeginRequest Module: IIS Web Core Requested URL: http://localhost:80/ProductsService/ProductsService.svc Physical Path: C:\Users\Administrator\Documents\Visual Studio 2008\Projects\ProductsService\ProductsService\ProductsService.svc Logon User: Not yet determined Logon Method: Not yet determined Handler: Not yet determined Config Error: Cannot read configuration file Config File: \\?\C:\Users\Administrator\Documents\Visual Studio 2008\Projects \ProductsService\ProductsService\web.config Config Source: -1: 0: More Information... This error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error. here is the content of my web.config file : <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" /> </configSections> <dataConfiguration defaultDatabase="AdventureWorksConnection" /> <connectionStrings> <add name="AdventureWorksConnection" connectionString="Database=AdventureWorks; Server=(localhost)\SQLEXPRESS;Integrated Security=SSPI" providerName="System.Data.SqlClient" /> </connectionStrings> <system.serviceModel> <services> <service name="Products.ProductsService"> <endpoint address="" binding="basicHttpBinding" contract="Products.IProductsService" /> </service> </services> </system.serviceModel> </configuration>

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• git stash blunder:

  - by Chirag Patel

  I did a git stash pop and ended up with merge conflicts. I removed the files from the file system and did a git checkout as shown below, but it thinks the files are still unmerged. I then tried replacing the files and doing a git checkout again and same result. I event tried forcing it with -f flag. Any help would be appreciated! chirag-patels-macbook-pro:haloror patelc75$ git status app/views/layouts/_choose_patient.html.erb: needs merge app/views/layouts/_links.html.erb: needs merge # On branch prod-temp # Changes to be committed: # (use "git reset HEAD <file>..." to unstage) # # modified: db/schema.rb # # Changed but not updated: # (use "git add <file>..." to update what will be committed) # (use "git checkout -- <file>..." to discard changes in working directory) # # unmerged: app/views/layouts/_choose_patient.html.erb # unmerged: app/views/layouts/_links.html.erb chirag-patels-macbook-pro:haloror patelc75$ git checkout app/views/layouts/_choose_patient.html.erb error: path 'app/views/layouts/_choose_patient.html.erb' is unmerged chirag-patels-macbook-pro:haloror patelc75$ git checkout -f app/views/layouts/_choose_patient.html.erb warning: path 'app/views/layouts/_choose_patient.html.erb' is unmerged

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• Debugging mono assembly load error

  - by Will I Am

  I am running asp.net/mono on Ubuntu with lighthttpd/fastcgi. Somehow I suspect an assembly reference sneaked in that I cannot track down, and it's causing my application to fail (it works fine on windows under MS.NET). When I try it under mono, I get: Failed to create shadow copy (CopyFile). Description: HTTP 500. Error processing request. Stack Trace: System.ExecutionEngineException: Failed to create shadow copy (CopyFile). at (wrapper managed-to-native) System.Reflection.Assembly:LoadFrom (string,bool) at System.Reflection.Assembly.LoadFrom (System.String assemblyFile) [0x00000] at System.Web.Compilation.BuildManager.LoadAssembly (System.String path, System.Collections.Generic.List`1 al) [0x00000] at System.Web.Compilation.BuildManager.GetReferencedAssemblies () [0x00000] at System.Web.Compilation.BuildManager.GenerateAssembly (System.Web.Compilation.AssemblyBuilder abuilder, System.Collections.Generic.List`1 buildItems, System.Web.VirtualPath virtualPath, BuildKind buildKind) [0x00000] at System.Web.Compilation.BuildManager.BuildAssembly (System.Web.VirtualPath virtualPath) [0x00000] at System.Web.Compilation.BuildManager.GetCompiledType (System.String virtualPath) [0x00000] at System.Web.HttpApplicationFactory.InitType (System.Web.HttpContext context) [0x00000] Version information: Mono Version: 2.0.50727.1433; ASP.NET Version: 2.0.50727.1433 I am at a loss to how to debug this, as it's not giving me a hint of what assembly it's having problem with. Any ideas?

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• What version control system is best designed to *prevent* concurrent editing?

  - by Fred Hamilton

  We've been using CVS (with TortoiseCVS interface) for years for both source control and wide-ranging document control (including binaries such as Word, Excel, Framemaker, test data, simulation results, etc.). Unlike typical version control systems, 99% of the time we want to prevent concurrent editing - when a user starts editing a file, the pre-edit version of the file becomes read only to everyone else. Many of the people who will be using this are not programmers or even that computer savvy, so we're also looking for a system that let's people simply add documents to the repository, check out and edit a document (unless someone else is currently editing it), and check it back in with a minimum of fuss. We've gotten this to work reasonably well with CVS + TortoiseCVS, but we're now considering Subversion and Mercurial (and open to others if they're a better fit) for their better version tracking, so I was wondering which one supported locking files most transparently. For example, we'd like exclusive locking enabled as the default, and we want to make it as difficult as possible for someone to accidentally start editing a file that someone else has checked out. For example when someone checks out a file for editing, it checks with the master database first even if they have not recently updated their sandbox. Maybe it even won't let a user check out a document if it's off the network and can't check in with the mothership.

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• Sending mail with a Php with a pdf attachment

  - by Jake

  Hi, I'm trying to send an email from the php mail command. I've been able to what I've tried so far, but can't seem to get it to work with an attachment. I've looked around the web and the best code I've found led me to this: $fileatt_name = 'JuneFlyer.pdf'; $fileatt_type = 'application/pdf'; $fileatt = 'JuneFlyer.pdf'; $file = fopen($fileatt,'rb'); $data = fread($file,filesize($fileatt)); $data = chunk_split(base64_encode($data)); $MAEmail = "[email protected]"; mail("$email_address", "$subject", "$message", "From: ".$MAEmail."\n". "MIME-Version: 1.0\n". "Content-type: text/html; charset=iso-8859-1". "--{$mime_boundary}\n" . "Content-Type: {$fileatt_type};\n" . " name=\"{$fileatt_name}\"\n" . "Content-Disposition: attachment;\n" . " filename=\"{$fileatt_name}\"\n" . "Content-Transfer-Encoding: base64\n\n" .$data. "\n\n" ); There are two problems when I do this. First, the contents of the email dissappear. Second, there is an error on the attachment. "Adobe Reader could not open June_flyer.pdf because it is either not a supported file type or because the file has been damaged (for example it was sent as an email attachment and wasn't correctly decoded)" Any ideas of how to deal with this? Thanks, JB

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• Why can't I initialize a class through a setter?

  - by Rob emenaker

  If I have a custom class called Tires: #import <Foundation/Foundation.h> @interface Tires : NSObject { @private NSString *brand; int size; } @property (nonatomic,copy) NSString *brand; @property int size; - (id)init; - (void)dealloc; @end ============================================= #import "Tires.h" @implementation Tires @synthesize brand, size; - (id)init { if (self = [super init]) { [self setBrand:[[NSString alloc] initWithString:@""]]; [self setSize:0]; } return self; } - (void)dealloc { [super dealloc]; [brand release]; } @end And I synthesize a setter and getter in my View Controller: #import <UIKit/UIKit.h> #import "Tires.h" @interface testViewController : UIViewController { Tires *frontLeft, *frontRight, *backleft, *backRight; } @property (nonatomic,copy) Tires *frontLeft, *frontRight, *backleft, *backRight; @end ==================================== #import "testViewController.h" @implementation testViewController @synthesize frontLeft, frontRight, backleft, backRight; - (void)viewDidLoad { [super viewDidLoad]; [self setFrontLeft:[[Tires alloc] init]]; } - (void)dealloc { [super dealloc]; } @end It dies after [self setFrontLeft:[[Tires alloc] init]] comes back. It compiles just fine and when I run the debugger it actually gets all the way through the init method on Tires, but once it comes back it just dies and the view never appears. However if I change the viewDidLoad method to: - (void)viewDidLoad { [super viewDidLoad]; frontLeft = [[Tires alloc] init]; } It works just fine. I could just ditch the setter and access the frontLeft variable directly, but I was under the impression I should use setters and getters as much as possible and logically it seems like the setFrontLeft method should work. This brings up an additional question that my coworkers keep asking in these regards (we are all new to Objective-C); why use a setter and getter at all if you are in the same class as those setters and getters.

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• MS Access: Why is ADODB.Recordset.BatchUpdate so much slower than Application.ImportXML?

  - by apenwarr

  I'm trying to run the code below to insert a whole lot of records (from a file with a weird file format) into my Access 2003 database from VBA. After many, many experiments, this code is the fastest I've been able to come up with: it does 10000 records in about 15 seconds on my machine. At least 14.5 of those seconds (ie. almost all the time) is in the single call to UpdateBatch. I've read elsewhere that the JET engine doesn't support UpdateBatch. So maybe there's a better way to do it. Now, I would just think the JET engine is plain slow, but that can't be it. After generating the 'testy' table with the code below, I right clicked it, picked Export, and saved it as XML. Then I right clicked, picked Import, and reloaded the XML. Total time to import the XML file? Less than one second, ie. at least 15x faster. Surely there's an efficient way to insert data into Access that doesn't require writing a temp file? Sub TestBatchUpdate() CurrentDb.Execute "create table testy (x int, y int)" Dim rs As New ADODB.Recordset rs.CursorLocation = adUseServer rs.Open "testy", CurrentProject.AccessConnection, _ adOpenStatic, adLockBatchOptimistic, adCmdTableDirect Dim n, v n = Array(0, 1) v = Array(50, 55) Debug.Print "starting loop", Time For i = 1 To 10000 rs.AddNew n, v Next i Debug.Print "done loop", Time rs.UpdateBatch Debug.Print "done update", Time CurrentDb.Execute "drop table testy" End Sub I would be willing to resort to C/C++ if there's some API that would let me do fast inserts that way. But I can't seem to find it. It can't be that Application.ImportXML is using undocumented APIs, can it?

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• Strange behavior using getchar() and -O3

  - by Eduardo

  I have these two functions void set_dram_channel_width(int channel_width){ printf("one\n"); getchar(); } void set_dram_transaction_granularity(int cacheline_size){ printf("two\n"); getchar(); } //output: one f //my keyboard input two one f //keyboard input two one f //keyboard input //No more calls Then I change the functions to: void set_dram_channel_width(int channel_width){ printf("one\n"); } void set_dram_transaction_granularity(int cacheline_size){ printf("two\n"); getchar(); } //output one two f //keyboard input //No more calls Both functions are called by an external code, the code for both programs is the same, just changing the getchar() I get those two different outputs. Is this possible or there is something that is really wrong in my code? Thanks This is the output I get with GDB** For the first code (gdb) break mem-dram.c:374 Breakpoint 1 at 0x71c810: file build/ALPHA_FS/mem/dramsim/mem-dram.c, line 374. (gdb) break mem-dram.c:381 Breakpoint 2 at 0x71c7b0: file build/ALPHA_FS/mem/dramsim/mem-dram.c, line 381. (gdb) run -d ./tmp/MyBench2/ one f [Switching to Thread 47368811512112 (LWP 17507)] Breakpoint 1, set_dram_channel_width (channel_width=64) (gdb) c Continuing. two one f Breakpoint 2, set_dram_transaction_granularity (cacheline_size=64) (gdb) c Continuing. Breakpoint 1, set_dram_channel_width (channel_width=8) 374 void set_dram_channel_width(int channel_width){ (gdb) c Continuing. two one f For the second code (gdb) break mem-dram.c:374 Breakpoint 1 at 0x71c7b6: file build/ALPHA_FS/mem/dramsim/mem-dram.c, line 374. (gdb) break mem-dram.c:380 Breakpoint 2 at 0x71c7f0: file build/ALPHA_FS/mem/dramsim/mem-dram.c, line 380. (gdb) run one two f [Switching to Thread 46985688772912 (LWP 17801)] Breakpoint 1, set_dram_channel_width (channel_width=64) (gdb) c Continuing. Breakpoint 2, set_dram_transaction_granularity (cacheline_size=64) (gdb) c Continuing. Breakpoint 1, set_dram_channel_width (channel_width=8) (gdb) c Continuing.

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• Adding editFTPnetPRO to SSIS package causes error message

  - by gfrizzle

  I'm trying to add some secure FTP code to an SSIS package. I've used the EnterpriseDT product successfully on other .NET projects, so I wanted to incorporate it into an SSIS 2008 package I'm working on. If I create a Script Task (VB), edit the script, choose Project | Add Reference, and select the editFTPnetPRO.dll file, it comes back with this error: No template information found. See the application log in Event Viewer for more details. To open Event Viewer, click Start, click Control Panel, double-click Administrative Tools, and then double-click Event Viewer. The application log doesn't contain any pertinent details. I have no idea what this is trying to tell me. I've gone down a couple dead ends searching for this error message and following the prescribed fixes, but nothing has fixed it yet. Any idea what might be going wrong? P.S. - I tried the devenv.exe /installvstemplates fix, which didn't change anything. Update: Here is the error captured in the SSIS package when you try to run it: Error: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. --- System.IO.FileNotFoundException: Could not load file or assembly 'edtFTPnetPRO, Version=6.3.1.20, Culture=neutral, PublicKeyToken=0dce1ad63760d80b' or one of its dependencies. The system cannot find the file specified. Where is it looking for this file? I tried copying it to the project direcory, the bin folder, and the C:\WINDOWS\Microsoft.NET\Framework\v2.0.nnnn folder, but it still can't find it, and it won't tell me where it's looking.

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• PHP (A few questions) OO, refactoring, eclipse

  - by jax

  I am using PHP in eclipse. It works ok, I can connect to my remote site, there is colour coding of code elements and some code hints. I realise this may be too long to answer all questions, if you have a good answer for one part, answering just that is ok. Firstly General Coding I have found that it is easy to loose track of included files and their variables. For example if there was a database $cursor it is difficult to remember or even know that it was declared in the included file (this becomes much worse the more files you include). How are people dealing with this? How are people documenting their code - in particular the required GET and POST data? Secondly OO Development: Should I be going full OO in my development. Currently I have a functions library which I can include and have separated each "task" into a separate file. It is a bit nasty but it works. If I go OO how do I structure the directories in PHP, java uses packages - what about php? How should I name my files, should I use all lower case with _ for spaces "hello_world.php"? Should I name classes with Uppercase like Java "HelloWorld.php"? Is there a different naming convention for Classes and regular function files? Thirdly Refactoring I must say this is a real pain. If I change the name of a variable in one place I have to go through whole document and each file that included this file and change the name their too. Of course, errors everywhere is what results. How are people dealing with this problem? In Java if you change the name in one place it changes everywhere. Are there any plugins to improve php refactoring? I am using the official PHP version of Eclipse from their website. thanks

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• advanced Visual Studio kung-fu test -- Calling functions from the Immediate Window during debugging

  - by kizzx2

  I see some related questions have been asked, but they're either too advanced for me to grasp or lacking a step-by-step guide from start to finish (most of them end up being insider talk of their own experiment results). OK here it is, given this simple program: #include <stdio.h> #include <string.h> int main() { FILE * f; char buffer[100]; memset(buffer, 0, 100); fun(); f = fopen("main.cpp", "r"); fread(buffer, 1, 99, f); printf(buffer); fclose(f); return 0; } What it does is basically print itself (assume file name is main.cpp). Question How can I have it print another file, say foobar.txt without modifying the source code? It has something to do with running it through VS's, stepping through the functions and hijacking the FILE pointer right before fread() is called. No need to worry about leaking resources by calling fclose(). I tried the simple f = fopen("foobar.txt", "r") which gave CXX0017: Error: symbol "fopen" not found Any ideas? Edit I found out the solution accidentally on Debugging Mozilla on Windows FAQ. The correct command to put into the Immediate Window is f = {,,MSVCR100D}fopen("foo.txt", "r") However, it doesn't really answer this question: I still don't understand what is going on here. How to systematically find out the {,,MSVCR100D} part for any given method? I know the MSVCR version changes from system to system. How can I find that out? Could anyone explain the curly brace syntax, especially, what are those two commas doing there? Are there more hidden gems using this syntax?

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• Erlang, SSH and authorized_keys

  - by Roberto Aloi

  Playing with the ssh and public_key application in Erlang, I've discovered a nice feature. I was trying to connect to my running Erlang SSH daemon by using a rsa key, but the authentication was failing and I was prompted for a password. After some debugging and tracing (and a couple of coffees), I've realized that, for some weird reason, a non valid key for my user was there. The authorized_keys file contained two keys. The wrong one was at some point in the file, while the correct one was appended at the end of the file. Now, the Erlang SSH application, when diffing the provided key with the ones contained in the authorized_keys, it was finding the first entry (completely ignoring the second on - the correct one). Then, it was switching to different authentication mechanism (at first it was trying dsa instead of rsa and then it was prompting for a password). The question is: Is this behavior intended or should the SSH server check for multiple entries for the same user in the *authorized_keys* file? Is this a generic SSH behaviour or it's just specific to the Erlang implementation?

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