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• In TFS, is there a maximum amount of workspaces which can be used for a user?

  - by Gerrie Schenck

  I'm currently in the process of creating a bunch of new build scripts for our platform. Things went okay until I encountered the following error: D:\TFS\WorkingDir\BuildType\TFSBuild.proj(173,5): error MSB4018: Microsoft.TeamFoundation.VersionControl.Client.WorkspaceNotFoundException: TF14061: The workspace BUILDMACHINENAME_9;BUILDMACHINENAME\TFSService does not exist. When I take a look at the list of workspaces (with Team Foundation Sidekicks) I see there are a bunch of BUILDMACHINENAME_xxx workspaces, where xxx is a number ranging from 1 to 8. What I'm thinking is that TFS reaches some kind of limit (10 probably) of the amount of workspaces it can create for a certain owner, and thus fails to create a workspace for the build automatically. Can this be the case? Anyone else encountered this?

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• regular expression to read the string between <title> and </title>

  - by user262325

  Hello every one I hope to read the contents between and in a html string. I think it should be in objective-c @"<title([\\s\\S]*)</title>" below are the codes that rewrited for regular expression //source of NSStringCategory.h #import <Foundation/Foundation.h> #import <regex.h> @interface NSStringCategory:NSObject { regex_t preg; } -(id)initWithPattern:(NSString *)pattern options:(int)options; -(void)dealloc; -(BOOL)matchesString:(NSString *)string; -(NSString *)matchedSubstringOfString:(NSString *)string; -(NSArray *)capturedSubstringsOfString:(NSString *)string; +(NSStringCategory *)regexWithPattern:(NSString *)pattern options:(int)options; +(NSStringCategory *)regexWithPattern:(NSString *)pattern; +(NSString *)null; +(void)initialize; @end @interface NSString (NSStringCategory) -(BOOL)matchedByPattern:(NSString *)pattern options:(int)options; -(BOOL)matchedByPattern:(NSString *)pattern; -(NSString *)substringMatchedByPattern:(NSString *)pattern options:(int)options; -(NSString *)substringMatchedByPattern:(NSString *)pattern; -(NSArray *)substringsCapturedByPattern:(NSString *)pattern options:(int)options; -(NSArray *)substringsCapturedByPattern:(NSString *)pattern; -(NSString *)escapedPattern; @end and .m file #import "NSStringCategory.h" static NSString *nullstring=nil; @implementation NSStringCategory -(id)initWithPattern:(NSString *)pattern options:(int)options { if(self=[super init]) { int err=regcomp(&preg,[pattern UTF8String],options|REG_EXTENDED); if(err) { char errbuf[256]; regerror(err,&preg,errbuf,sizeof(errbuf)); [NSException raise:@"CSRegexException" format:@"Could not compile regex \"%@\": %s",pattern,errbuf]; } } return self; } -(void)dealloc { regfree(&preg); [super dealloc]; } -(BOOL)matchesString:(NSString *)string { if(regexec(&preg,[string UTF8String],0,NULL,0)==0) return YES; return NO; } -(NSString *)matchedSubstringOfString:(NSString *)string { const char *cstr=[string UTF8String]; regmatch_t match; if(regexec(&preg,cstr,1,&match,0)==0) { return [[[NSString alloc] initWithBytes:cstr+match.rm_so length:match.rm_eo-match.rm_so encoding:NSUTF8StringEncoding] autorelease]; } return nil; } -(NSArray *)capturedSubstringsOfString:(NSString *)string { const char *cstr=[string UTF8String]; int num=preg.re_nsub+1; regmatch_t *matches=calloc(sizeof(regmatch_t),num); if(regexec(&preg,cstr,num,matches,0)==0) { NSMutableArray *array=[NSMutableArray arrayWithCapacity:num]; int i; for(i=0;i<num;i++) { NSString *str; if(matches[i].rm_so==-1&&matches[i].rm_eo==-1) str=nullstring; else str=[[[NSString alloc] initWithBytes:cstr+matches[i].rm_so length:matches[i].rm_eo-matches[i].rm_so encoding:NSUTF8StringEncoding] autorelease]; [array addObject:str]; } free(matches); return [NSArray arrayWithArray:array]; } free(matches); return nil; } +(NSStringCategory *)regexWithPattern:(NSString *)pattern options:(int)options { return [[[NSStringCategory alloc] initWithPattern:pattern options:options] autorelease]; } +(NSStringCategory *)regexWithPattern:(NSString *)pattern { return [[[NSStringCategory alloc] initWithPattern:pattern options:0] autorelease]; } +(NSString *)null { return nullstring; } +(void)initialize { if(!nullstring) nullstring=[[NSString alloc] initWithString:@""]; } @end @implementation NSString (NSStringCategory) -(BOOL)matchedByPattern:(NSString *)pattern options:(int)options { NSStringCategory *re=[NSStringCategory regexWithPattern:pattern options:options|REG_NOSUB]; return [re matchesString:self]; } -(BOOL)matchedByPattern:(NSString *)pattern { return [self matchedByPattern:pattern options:0]; } -(NSString *)substringMatchedByPattern:(NSString *)pattern options:(int)options { NSStringCategory *re=[NSStringCategory regexWithPattern:pattern options:options]; return [re matchedSubstringOfString:self]; } -(NSString *)substringMatchedByPattern:(NSString *)pattern { return [self substringMatchedByPattern:pattern options:0]; } -(NSArray *)substringsCapturedByPattern:(NSString *)pattern options:(int)options { NSStringCategory *re=[NSStringCategory regexWithPattern:pattern options:options]; return [re capturedSubstringsOfString:self]; } -(NSArray *)substringsCapturedByPattern:(NSString *)pattern { return [self substringsCapturedByPattern:pattern options:0]; } -(NSString *)escapedPattern { int len=[self length]; NSMutableString *escaped=[NSMutableString stringWithCapacity:len]; for(int i=0;i<len;i++) { unichar c=[self characterAtIndex:i]; if(c=='^'||c=='.'||c=='['||c=='$'||c=='('||c==')' ||c=='|'||c=='*'||c=='+'||c=='?'||c=='{'||c=='\\') [escaped appendFormat:@"\\%C",c]; else [escaped appendFormat:@"%C",c]; } return [NSString stringWithString:escaped]; } @end I use the codes below to get the string between "" and "" NSStringCategory *a=[[NSStringCategory alloc] initWithPattern:@"<title([\s\S]*)</title>" options:0];// Unfortunately [a matchedSubstringOfString:response]] always returns nil I do not if the regular expression is wrong or any other reason. Welcome any comment Thanks interdev

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• Is there an NSCFTimer memory leak?

  - by mystify

  I tracked down a memory leak with instruments. I always end up with the information that the responsible library is Foundation. When I track that down in my code, I end up here, but there's nothing wrong with my memory management: - (void)setupTimer { // stop timer if still there [self stopAnimationTimer]; NSTimer *timer = [NSTimer scheduledTimerWithTimeInterval:0.2 target:self selector:@selector(step:) userInfo:nil repeats:YES]; self.animationTimer = timer; // retain property, -release in -dealloc method } the property animationTimer is retaining the timer. In -dealloc I -release it. Now that looks like a framework bug? I checked with iPhone OS 3.0 and 3.1, both have that problem every time I use NSTimer like this. Any idea what else could be the problem? (my memory leak scan interval was 0.1 seconds. but same thing with 5 seconds)

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• Can not clone git repo to server

  - by Classified

  I'm running the same command on 2 different servers. One works, the other doesn't. I'm running git clone https://blah.com:8443/blah.git On server A, it works fine. I get the objects, files, etc. no problems. On server B, I get the following message. git clone https://blah.com:8443/blah.git Cloning into 'blah'... error: Peer certificate cannot be authenticated with known CA certificates while accessing https://blah.com:8443/blah.git/info/refs?service=git-upload-pack fatal: HTTP request failed Does anyone know what this means or what I need to do to get this to work? Thanks in advance for any help you can give me.

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• Sef-packed training kit practice tests

  - by Costa

  Hi I have a book called .Net framework 2.0 application development foundation, self-packed training kit by Tony Northup and Shawn wildermuth. the book CD contains practice tests, Can I rely on this CD to take the exam, or it will be just like the book itself, a wast of money? someone rely on it and success? I am not talking about memorizing or cheating the exam I am talking about studying and practice it. Also When I visit MS website they did not determine the number of questions, type of questions, or the time, someone have this info? Thanks

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• Incomplete results with Turkish characters in Indexing Service

  - by Ishmaeel

  Finally I get to post my i's and I's as promised... I've found that MS Indexing Service returns incomplete results when searching for documents with Turkish content. It seems to choke especially regarding the (incorrectly-named) 4I problem. Apparently, MS has fixed this problem with a Windows 2000 http://support.microsoft.com/kb/325333 service pack, but the bug seems to be resurrected with Windows XP & 2003. Anybody uses Indexing Service in their line of work? Similar problems with other non-English locales? Any solutions?

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• Microsoft Expression Web 3 clipboard bug

  - by Ghostrider

  There seems to be a rather annoying bug in MS Expression Web 3 (or perhaps an incompatibility with something else I have installed). Quite often HTML code editor would refuse to copy things into clipboard. You select some text, press Ctrl-C, Ctrl-Insert or use context menu and nothing happens. Then in 10..15 seconds it would start working again... Then again it would not work. It's rather annoying. Does anyone else have such a problem or knows how to fix it? I'm running Microsoft Expression Web 3 Service Pack 1 Version 3.0.3813.0 on Windows 7 Ultimate x64 with all latest updates and patches. I have Russian keyboard layout installed. Other than that my system is pretty much plain vanilla.

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• .NET Framework 3.5, Assembly Binding Logging

  - by Achilles

  I am getting the following error: Could not load file or assembly 'System.Web.DynamicData, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified. I've researched the problem and some of the solutions are pointing to Turning on Assembly Binding Logging. I'm confused as to what this error is. So my question: *What does this error mean and how do I resolve it? I am not hosting the site in a shared hosting scenario, it is on a single server running .NET Framework 3.5.0 using IIS 6.0 Edit .Net Framework 3.5 SP 1 isn't installed on the server. The missing assemblies are apart of that Service Pack.

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• Using jQuery for client side validation in MVC2 RTM

  - by tigermain

  Scott Gu's tutorial on Model validation gets us all set up with the MS client side validation using the following scripts: <script src="../../Scripts/jquery.validate.min.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcValidation.js" type="text/javascript"></script> However I've seen various posts allowing us to utilise jQuery instead with the following code: <script src="https://ajax.microsoft.com/ajax/jquery/jquery-1.4.2.min.js" type="text/javascript"></script> <script src="https://ajax.microsoft.com/ajax/jQuery.Validate/1.6/jQuery.Validate.min.js" type="text/javascript"></script> <script src="<%= Url.Content("~/scripts/MicrosoftMvcJQueryValidation.js") %>" type="text/javascript"></script> However MicrosoftMvcJQueryValidation.js does not ship with the solution and from what I read it should be part of the Futures pack which is no longer available on CodePlex. I managed to find a version alongside jQuery 1.3.2 but it does not work. What is the forward going solution!?

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• How to Include Multiple Javascript Files in .NET (Like they do in rails)

  - by Kyle West

  I'm jealous of the rails guys. They can do this: <%= javascript_include_tag "all_min" %> ... and I'm stuck doing this: <script src="/public/javascript/jquery/jquery.js" type="text/javascript"></script> <script src="/public/javascript/jquery/jquery.tablesorter.js" type="text/javascript"></script> <script src="/public/javascript/jquery/jquery.tablehover.pack.js" type="text/javascript"></script> <script src="/public/javascript/jquery/jquery.validate.js" type="text/javascript"></script> <script src="/public/javascript/jquery/jquery.form.js" type="text/javascript"></script> <script src="/public/javascript/jquery/application.js" type="text/javascript"></script> Are there any libraries to compress, gzip and combine multiple js files? How about CSS files?

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• NSStream sockets missing data

  - by Chris T.

  I am trying to pull some sample data from FreeDB as a proof of concept, but I am having a tough time retrieving all of the data off the incoming stream (I am only getting the last bits for the final query listed here (if handshakeCode = 3) I think this may be something with the threading on the main runloop, but I am not sure. Odd thing is when the buffer size is larger than 1-2 bytes (which works as expected), I seem to be losing access to the data programmatically (the totalOutput variable on the first set of data is incomplete). I set up a packet capture, and it looks like those 1024 bytes are coming across the wire, but the app just isn't working with it. It looks like the next event is coming through and basically taking over. I tried using an NSLock to no avail as well. If I drop the buffer size down to 1 or 2, things seem to be reading just fine. This is probably obvious to someone who does this all the time, but this is my first foray into this with something I am familiar with, technology wise in other languages / platforms. The following code will show you what is happening. Run with the buffer set to 1024, and you will see a short final string, but once you set it to 1, you will see the amount of data I was expecting (I was even expecting it to be split, so that's not a big worry) #import <Foundation/Foundation.h> #import <Cocoa/Cocoa.h> //STACK OVERFLOW CODE: @interface stackoverflow : NSObject <NSStreamDelegate> { NSInputStream *iStream; NSOutputStream *oStream; int handshakeCode; NSString *selectedDiscId; NSString *selectedGenre; } -(void)getMatchesFromFreeDB; -(void)sendToOutputStream:(NSString*)command; @end @implementation stackoverflow -(void)getMatchesFromFreeDB { NSHost *host = [NSHost hostWithName:@"freedb.freedb.org"]; [NSStream getStreamsToHost:host port:8880 inputStream:&iStream outputStream:&oStream]; [iStream retain]; [oStream retain]; [iStream setDelegate:self]; [oStream setDelegate:self]; [iStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [oStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [iStream open]; [oStream open]; handshakeCode = 0; //not done any processing } -(void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode { switch(eventCode) { case NSStreamEventOpenCompleted: { NSLog(@"Stream open completed"); break; } case NSStreamEventHasBytesAvailable: { NSLog(@"Stream has bytes available"); if (aStream == iStream) { NSMutableString *totalOutput = [NSMutableString stringWithString:@""]; //read data uint8_t buffer[1024]; int len; while ([iStream hasBytesAvailable]) { len = [iStream read:buffer maxLength:sizeof(buffer)]; if (len 0) { NSString *output = [[NSString alloc] initWithBytes:buffer length:len encoding:NSUTF8StringEncoding]; //this could have also been put into an NSData object if (nil != output) { //append to the total output [totalOutput appendString:output]; } } } NSLog(@"OUTPUT , %i:\n\n%@", [totalOutput lengthOfBytesUsingEncoding:NSUTF8StringEncoding], totalOutput); NSArray *outputComponents = [totalOutput componentsSeparatedByString:@" "]; //Attempt to get handshake code, since we haven't done it yet: if (handshakeCode == 1) { //we are just getting the sign-on banner: //let's move on: handshakeCode = 2; } else if (handshakeCode == 2) { handshakeCode = [[outputComponents objectAtIndex:0] intValue]; if (handshakeCode == 200) { NSLog(@"---Handshake OK %i", handshakeCode); NSMutableString *query = [NSMutableString stringWithString:@"cddb query f3114b11 17 225 19915 36489 54850 69425 87025 103948 123242 136075 152817 178335 192850 211677 235104 262090 284882 308658 4430\n"]; handshakeCode = 3; [self sendToOutputStream:query]; } } else if (handshakeCode == 3) { //now, we are reading out the matches: if ([[outputComponents objectAtIndex:0] intValue] == 200) //found exact match: { NSLog(@"Found exact match"); selectedGenre = [outputComponents objectAtIndex:1] ; selectedDiscId = [outputComponents objectAtIndex:2]; if (selectedGenre && selectedDiscId) { //send off the request to get the entry: NSString *query = [NSString stringWithFormat:@"cddb read %@ %@\n", selectedGenre, selectedDiscId]; [self sendToOutputStream:query]; handshakeCode = 4; } } } } break; } case NSStreamEventEndEncountered: { NSLog(@"Stream event end encountered"); break; } case NSStreamEventErrorOccurred: { NSLog(@"Stream error occurred"); break; } case NSStreamEventHasSpaceAvailable: { NSLog(@"Stream has space available"); if (aStream == oStream) { if (handshakeCode == 0) { handshakeCode = 1; [self sendToOutputStream:@"cddb hello stackoverflow localhost.localdomain test .01BETA\n"]; } } break; } } } -(void)sendToOutputStream:(NSString*)command { const uint8_t *rawCommand = (const uint8_t *)[command UTF8String]; [oStream write:rawCommand maxLength:strlen(rawCommand)]; NSLog(@"Sent command: %@",command); } @end int main (int argc, const char * argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; stackoverflow *test = [[stackoverflow alloc] init]; [test getMatchesFromFreeDB]; NSRunLoop *runLoop = [NSRunLoop currentRunLoop]; [runLoop run]; [pool drain]; return 0; } Any help is much appreciated! Thanks

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• image archive VS image strip

  - by DevA

  Hi, i've noticed that plenty of games / applications (very common on mobile builds) pack numerous images into an image strip. I figured that the advantages in this are making the program more tidy (file system - wise) and reducing (un)installation time. During the runtime of the application, the entire image strip is allocated and copied from FS to RAM. On the contrary, images can be stored in an image archive and unpacked during runtime to a number of image structures in RAM. The way I see it, the image strip approach is less efficient because of worse caching performance and because that even if the optimal rectangle packing algorithm is used, there will be empty spaces between the stored images in the strip, causing a waste of RAM. What are the advantages in using an image strip over using an image archive file?

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• Best practice for sharing code between OSX and IOS app

  - by Alberto

  I am creating an iOS version of an existing OSX app and am wondering what the best practices are for sharing code between the two. The code in question only depends on the foundation framework and the Sqlite dynamic library, so it should compile and run fine on both platforms. It seems to me there are three possible options: Create a single project with and OSX and an IOS targets, add source files to each target as appropriate. Create two separate projects for the OSX and IOS apps, put shared code in a common location in the workspace and add it as reference to both projects. Create three projects: OSX app, IOS app and a shared static library with an OSX and an IOS targets; add each library target to the respective application. Is there any reason one of the above approaches may be better than the other two? If not, option 2 seems to be the simplest by far.

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• Using Tkinter in python to edit the title bar

  - by Dan

  I am trying to add a custom title to a window but I am having troubles with it. I know my code isn't right but when I run it, it creates 2 windows instead, one with just the title tk and another bigger window with "Simple Prog". How do I make it so that the tk window has the title "Simple Prog" instead of having a new additional window. I dont think I'm suppose to have the Tk() part because when i have that in my complete code, there's an error from tkinter import Tk, Button, Frame, Entry, END class ABC(Frame): def __init__(self,parent=None): Frame.__init__(self,parent) self.parent = parent self.pack() ABC.make_widgets(self) def make_widgets(self): self.root = Tk() self.root.title("Simple Prog")

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• GetVersionEx Not Working on Windows 7?!

  - by Andreas Rejbrand

  On my Windows 7 system, the GetVersionEx Windows API function returns "6.0", indicating Windows Vista, when it should return "6.1". If it matters, I used the following Delphi code: function winver: string; var ver: TOSVersionInfo; begin ver.dwOSVersionInfoSize := SizeOf(ver); if GetVersionEx(ver) then with ver do result := IntToStr(dwMajorVersion) + '.' + IntToStr(dwMinorVersion) + '.' + IntToStr(dwBuildNumber) + ' (' + szCSDVersion + ')'; end; and the string "6.0.6002 (Service Pack 2)" was returned. Isn't this highly odd?

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• Source control products that support linked/shared files?

  - by Ian Boyd

  We're interested in moving from a source control system that supports the concept of shared or linked files. A shared file means: a file modified in one project, is automatically updated changed in every other project that uses that same file. It does this without a developer having to request it, reverse-integrate it, ask for it, or even want it. We're trying to see if any other commonly used source-control systems can meet our needs, and include linked or shared files. My limited research shows that: Team Foundation Server doesn't support sharing files Subversion doesn't support sharing files (including Externals) CVS doesn't support sharing files (including Modules) Anything else? (besides our current source control product, obviously) References Subversion and shared files across repositories/projects? How to share files between CVS projects? Will TFS ever support shared files for projects under source control?

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• Get foreign key in external content type to show up in list view

  - by Rob

  I have come across blogs about how to setup an external content type (e.g. http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/2010/02/02/it-s-easy-to-configure-an-external-list-with-business-connectivity-services-bcs-in-sharepoint-foundation-2010.aspx) but I have not seen any examples of what to do when your external SQL DB has foreign keys. For example. I have a database that has orders and customers. An order has one and only one customer and a customer can have many orders. How can I setup external content types in such a way that when in the list view of these external content types, I can jump between and possible lookup values to that other type?

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• "Disabled use of AcceptEx() WinSock2 API" error on Windows 7 using Tomcat

  - by Richard

  When starting Tomcat 6 on Windows 7 Enterprise with JRE 6 using C:\Program Files\Apache Software Foundation\Tomcat 6.0\bin\tomcat6.exe the application does not open and my event viewer has the message: "Disabled use of AcceptEx() WinSock2 API." The same installer of Tomcat worked on Windows Vista before I upgraded my operating system. Can anyone please suggest a way to fix this? The only site I can find mentioning this is http://www.apachelounge.com/viewtopic.php?p=4418 which suggests using this config setting "Win32DisableAcceptEx" - but it's for Apache, not Tomcat, and I have no idea where in what config file it might need to go in Tomcat.

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• VS 2008 SP1 text editor flickering over remote desktop connection

  - by AltairDusk

  I am connecting from a Windows 7 x64 machine to my dev machine running Windows XP SP3 using the built in remote desktop client. For most apps it works fine with no problems, for Visual Studio whenever I am typing the entire text editor keeps redrawing. I stumbled across this question: http://stackoverflow.com/questions/873849/vs-2008-sp1-over-remote-desktop-constant-repainting and I have tried all of the suggestions in it to no effect, including resetting all VS settings back to default then disabling the suggested settings. Has anyone found a reliable solution to this? I feel like I'm going insane with the screen constantly refreshing when I'm working from home. Some additional information: Remote Desktop is set to run at 1680x1050, 15bit color, Low-speed broadband for the experience setting with all but Visual styles and Persistent bitmap caching unchecked. Visual Studio 2008 Team System is running on the dev machine with Service Pack 1 and Power Commands installed.

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• WebsiteSpark & Visual Studio 2010

  - by Amadiere

  Having a look around at WebsiteSpark from Microsoft - the deal is good (especially if you were looking to go down this path already). But I'm one of those people that likes to 'wait for the next version' if I'm in no rush to sign up. One question that's been bugging me is whether or not the program includes upgrades to Visual Studio and/or they will change the starting pack at some point? Currently, If you sign up now, you get 3 copies of Visual Studio 2008. If you're umming and ahhing about the scheme, is it worth waiting and hoping that they adapt their program so that it comes with VS2010? Or maybe that they'll offer free updates to those already in the scheme? (This question may be a little subjective I guess and it probably applies to the BizSpark side of things as well. Have there been any hints set in other Microsoft programs that might indicate the outcome? ).

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• Node.js vs PHP processing speed

  - by Cody Craven

  I've been looking into node.js recently and wanted to see a true comparison of processing speed for PHP vs Node.js. In most of the comparisons I had seen, Node trounced Apache/PHP set ups handily. However all of the tests were small 'hello worlds' that would not accurately reflect any webpage's markup. So I decided to create a basic HTML page with 10,000 hello world paragraph elements. In these tests Node with Cluster was beaten to a pulp by PHP on Nginx utilizing PHP-FPM. So I'm curious if I am misusing Node somehow or if Node is really just this bad at processing power. Note that my results were equivalent outputting "Hello world\n" with text/plain as the HTML, but I only included the HTML as it's closer to the use case I was investigating. My testing box: Core i7-2600 Intel CPU (has 8 threads with 4 cores) 8GB DDR3 RAM Fedora 16 64bit Node.js v0.6.13 Nginx v1.0.13 PHP v5.3.10 (with PHP-FPM) My test scripts: Node.js script var cluster = require('cluster'); var http = require('http'); var numCPUs = require('os').cpus().length; if (cluster.isMaster) { // Fork workers. for (var i = 0; i < numCPUs; i++) { cluster.fork(); } cluster.on('death', function (worker) { console.log('worker ' + worker.pid + ' died'); }); } else { // Worker processes have an HTTP server. http.Server(function (req, res) { res.writeHead(200, {'Content-Type': 'text/html'}); res.write('<html>\n<head>\n<title>Speed test</title>\n</head>\n<body>\n'); for (var i = 0; i < 10000; i++) { res.write('<p>Hello world</p>\n'); } res.end('</body>\n</html>'); }).listen(80); } This script is adapted from Node.js' documentation at http://nodejs.org/docs/latest/api/cluster.html PHP script <?php echo "<html>\n<head>\n<title>Speed test</title>\n</head>\n<body>\n"; for ($i = 0; $i < 10000; $i++) { echo "<p>Hello world</p>\n"; } echo "</body>\n</html>"; My results Node.js $ ab -n 500 -c 20 http://speedtest.dev/ This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking speedtest.dev (be patient) Completed 100 requests Completed 200 requests Completed 300 requests Completed 400 requests Completed 500 requests Finished 500 requests Server Software: Server Hostname: speedtest.dev Server Port: 80 Document Path: / Document Length: 190070 bytes Concurrency Level: 20 Time taken for tests: 14.603 seconds Complete requests: 500 Failed requests: 0 Write errors: 0 Total transferred: 95066500 bytes HTML transferred: 95035000 bytes Requests per second: 34.24 [#/sec] (mean) Time per request: 584.123 [ms] (mean) Time per request: 29.206 [ms] (mean, across all concurrent requests) Transfer rate: 6357.45 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.2 0 2 Processing: 94 547 405.4 424 2516 Waiting: 0 331 399.3 216 2284 Total: 95 547 405.4 424 2516 Percentage of the requests served within a certain time (ms) 50% 424 66% 607 75% 733 80% 813 90% 1084 95% 1325 98% 1843 99% 2062 100% 2516 (longest request) PHP/Nginx $ ab -n 500 -c 20 http://speedtest.dev/test.php This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking speedtest.dev (be patient) Completed 100 requests Completed 200 requests Completed 300 requests Completed 400 requests Completed 500 requests Finished 500 requests Server Software: nginx/1.0.13 Server Hostname: speedtest.dev Server Port: 80 Document Path: /test.php Document Length: 190070 bytes Concurrency Level: 20 Time taken for tests: 0.130 seconds Complete requests: 500 Failed requests: 0 Write errors: 0 Total transferred: 95109000 bytes HTML transferred: 95035000 bytes Requests per second: 3849.11 [#/sec] (mean) Time per request: 5.196 [ms] (mean) Time per request: 0.260 [ms] (mean, across all concurrent requests) Transfer rate: 715010.65 [Kbytes/sec] received Connection Times (ms) min mean[+/-sd] median max Connect: 0 0 0.2 0 1 Processing: 3 5 0.7 5 7 Waiting: 1 4 0.7 4 7 Total: 3 5 0.7 5 7 Percentage of the requests served within a certain time (ms) 50% 5 66% 5 75% 5 80% 6 90% 6 95% 6 98% 6 99% 6 100% 7 (longest request) Additional details Again what I'm looking for is to find out if I'm doing something wrong with Node.js or if it is really just that slow compared to PHP on Nginx with FPM. I certainly think Node has a real niche that it could fit well, however with these test results (which I really hope I made a mistake with - as I like the idea of Node) lead me to believe that it is a horrible choice for even a modest processing load when compared to PHP (let alone JVM or various other fast solutions). As a final note, I also tried running an Apache Bench test against node with $ ab -n 20 -c 20 http://speedtest.dev/ and consistently received a total test time of greater than 0.900 seconds.

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• Difference between Apache Tapestry and Apache Wicket

  - by Stephan Schmidt

  Apache Wicket ( http://wicket.apache.org/ ) and Apache Tapestry ( http://wicket.apache.org/ ) are both component oriented web frameworks - contrary to action based frameworks like Stripes - by the Apache Foundation. Both allow you to build your application from components in Java. They both look very similar to me. What are the differences between those two frameworks? Has someone experience in both? Specifically: How is their performance, how much can state handling be customized, can they be used stateless? What is the difference in their component model? What would you choose for which applications? How do they integrate with Guice, Spring, JSR 299? Edit: I have read the documentation for both and I have used both. The questions cannot be answered sufficently from reading the documentation, but from the experience from using these for some time, e.g. how to use Wicket in a stateless mode for high performance sites. Thanks.

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• What add-in/workbench framework is the best .NET alternative to Eclipse RCP?

  - by Winston Fassett

  I'm looking for a plugin-based application framework that is comparable to the Eclipse Plugin Framework, which to my simple mind consists of: a core plugin management framework (Equinox / OSGI), which provides the ability to declare extension endpoints and then discover and load plugins that service those endpoints. (this is different than Dependency Injection, but admittedly the difference is subtle - configuration is highly de-centralized, there are versioning concerns, it might involve an online plugin repository, and most importantly to me, it should be easy for the user to add plugins without needing to know anything about the underlying architecture / config files) many layers of plugins that provide a basic workbench shell with concurrency support, commands, preference sheets, menus, toolbars, key bindings, etc. That is just scratching the surface of the RCP, which itself is meant to serve as the foundation of your application, which you build by writing / assembling even more plugins. Here's what I've gleaned from the internet in the past couple of days... As far as I can tell, there is nothing in the .NET world that remotely approaches the robustness and maturity of the Eclipse RCP for Java but there are several contenders that do either #1 or #2 pretty well. (I should also mention that I have not made a final decision on WinForms vs WPF, so I'm also trying to understand the level of UI coupling in any candidate framework. I'm also wondering about platform coupling and source code licensing) I must say that the open-source stuff is generally less-documented but easier to understand, while the MS stuff typically has more documentation but is less accessible, so that with many of the MS technologies, I'm left wondering what they actually do, in a practical sense. These are the libraries I have found: SharpDevelop The first thing I looked at was SharpDevelop, which does both #1 and also #2 in a basic way (no insult to SharpDevelop, which is admirable - I just mean more basic than Eclipse RCP). However, SharpDevelop is an application more than a framework, and there are basic assumptions and limitations there (i.e. being somewhat coupled to WinForms). Still, there are some articles on CodeProject explaining how to use it as the foundation for an application. System.Addins It appears that System.Addins is meant to provide a robust add-in loading framework, with some sophisticated options for loading assemblies with varying levels of trusts and even running the out of process. It appears to be primarily code-based, and pretty code-heavy, with lots of assemblies that serve to insulate against versioning issues., using Guidance Automation to generate a good deal of code. So far I haven't found many System.AddIns articles that illustrate how it could be used to build something like an Eclipse RCP, and many people seem to be wringing their hands about its complexity. Mono.Addins It appears that Mono.Addins was influenced by System.Addins, SharpDevelop, and MonoDevelop. It seems to provide the basics from System.Addins, with less sophisticated options for plugin loading, but more simplicity, with attribute-based registration, XML manifests, and the infrastructure for online plugin repositories. It has a pretty good FAQ and documentation, as well as a fairly robust set of examples that really help paint a picture of how to develop an architecture like that of SharpDevelop or Eclipse. The examples use GTK for UI, but the framework itself is not coupled to GTK. So it appears to do #1 (add-in loading) pretty well and points the way to #2 (workbench framework). It appears that Mono.Addins was derived from MonoDevelop, but I haven't actually looked at whether MonoDevelop provides a good core workbench framework. Managed Extensibility Framework This is what everyone's talking about at the moment, and it's slowly getting clearer what it does, but I'm still pretty fuzzy, even after reading several posts on SO. The official word is that it "can live side-by-side" with System.Addins. However, it doesn't reference it and it appears to reproduce some of its functionality. It seems to me, then, that it is a simpler, more accessible alternative to System.Addins. It appears to be more like Mono.Addins in that it provides attribute-based wiring. It provides "catalogs" that can be attribute-based or directory-based. It does not seem to provide any XML or manifest-based wiring. So far I haven't found much documentation and the examples seem to be kind of "magical" and more reminiscent of attribute-based DI, despite the clarifications that MEF is not a DI container. Its license just got opened up, but it does reference WindowsBase -- not sure if that means it's coupled to Windows. Acropolis I'm not sure what this is. Is it MEF, or something that is still coming? Composite Application Blocks There are WPF and Winforms Composite Application blocks that seem to provide much more of a workbench framework. I have very little experience with these but they appear to rely on Guidance Automation quite a bit are obviously coupled with the UI layers. There are a few examples of combining MEF with these application blocks. I've done the best I could to answer my own question here, but I'm really only scratching the surface, and I don't have experience with any of these frameworks. Hopefully some of you can add more detail about the frameworks you have experience with. It would be great if we could end up with some sort of comparison matrix.

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• ACT Professional for Windows-Memory leak?

  - by Dan

  I have an ACT! professional for Windows V11.1, with the latest SQL service pack (SP3) and have an apparent memory leak on the server. After a restart the ACT! SQL instance (SQLSERVR) consumes almost all the available memory on the server, we have added more memory to the server (it is running under Hyper-V) but it continues to consume it all. I have not been able to connect to the SQL server instance using management studio in order to limit the amount of RAM it is allocated. Are there any potential solutions for this? or should I continue to restart the services?

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• Remove JButton padding in MigLayout

  - by Indrek

  I have a small "popup" like this: But I don't want the padding around the button, I want it to be as small as it can be with the supplied text. btn.setMargin(new Insets(1, 1, 1, 1)); panel.add(lbl, "wrap"); panel.add(btn); frame.pack(); frame.setVisible(true); At least this doesn't work... Can this be achieved on MigLayout or should I use some other layout manager for this frame.

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