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• Code Profiling in the Windows Sidebar Environment

  - by Matt

  Does anyone know of a way I can code-profile my Windows Sidebar Gadget? I've played around with the code-profiling tool in IE8's "Developer Tools" and the code-profiling included in Visual Studio 2010, but I can't find a way to include the System.* API, which my gadget relies on (as it is standard in the Sidebar environment). The gadget also relies on cross-domain AJAX requests; which is normally permitted in the Sidebar environment. By code-profiling I primarily mean: Function call count Function execution time Any ideas would be much appreciated. Regards, Matt

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• How to use a DHT for a social trading environment

  - by Lirik

  I'm trying to understand if a DHT can be used to solve a problem I'm working on: I have a trading environment where professional option traders can get an increase in their risk limit by requesting that fellow traders lend them some of their risk limit. The lending trader will can either search for traders with certain risk parameters which are part of every trader's profile, i.e. Greeks, or the lending trader can subscribe to requests from certain traders. I want this environment to be scalable and decentralized, but I don't know how traders can search for specific profile parameters when the data is contained in a DHT. Could anybody explain how this can be done?

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• Online product demo environment for Windows applications

  - by Stefanos Tses

  I'm looking for a way to allow potential customers to try my application before they buy it. The product is a windows forms application that requires an SQL Server database to operate. Although I have a functional demo that the customer can install on their network, I want to make it easier for them by have them "play" with it at my environment. I remember Microsoft had (has?) something similar. I was testing Visual Studio a few years ago in a virtual environment where I was connecting to a server at Microsoft. Any suggestions? Thanks.

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• How is your mac setup for windows development?

  - by Matt Brailsford

  Hi Guys, I'm looking at buying a MacBook Pro to replace my tiring laptop. My day to day job is as a .NET web developer so I am looking to use VMWare Fusion to run VS and SQL server etc. As I've not run my dev environment in a VM before, I would like to know how others are setup. What apps to you have installed? In which environment? Where do you store your files? Within each environment, or some shared drive? Are there any gotchas? Or essentials I should know. Many thanks Matt

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• What happened to the TMP environment variable?

  - by Mark0978

  I always heard that the proper way to find the temporary folder on a UNIX machine was to look at the TMP environment variable. When writing code that worked on Windows as well as Linux, I would check for TEMP and TMP. Today, I discovered that my Ubuntu install does not have that environment variable at all. I know it seems you can always count on /tmp being there to put your temporary files in, but I understood that TMP was the way the user could tell you to put the temporary files someplace else. Is that still the case?

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• How should I move my code from dev to production?

  - by Teddy

  I have created a PHP web-application. I have 3 environments: DEV, TEST, PROD. What's a good tool / business practice for me to move my PHP web-application code from DEV to TEST to the PROD environment? Realizing that my TEST environment still only connects to my TEST database; whereas, I need to PROD environment to connect to my PROD database. So the code is mostly the same, except that I need to change my TEST code once moved into PROD to connect to the PROD database and not TEST database. I've heard of people taking down Apache in such away that it doesn't allow new connections and once all the existing connections are idle it simply brings down the web server. Then people manually copy the code and then manually update the config files of the PHP application to also point to the PROD instance. That seems terribly dangerous. Does a best practice exists?

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• PHP: How should I move my code from dev to production?

  - by Teddy

  I have created a PHP web-application. I have 3 environments: DEV, TEST, PROD. What's a good tool / business practice for me to move my PHP web-application code from DEV to TEST to the PROD environment? Realizing that my TEST environment still only connects to my TEST database; whereas, I need to PROD environment to connect to my PROD database. So the code is mostly the same, except that I need to change my TEST code once moved into PROD to connect to the PROD database and not TEST database. I've heard of people taking down Apache in such away that it doesn't allow new connections and once all the existing connections are idle it simply brings down the web server. Then people manually copy the code and then manually update the config files of the PHP application to also point to the PROD instance. That seems terribly dangerous. Does a best practice exists?

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• How is your Mac set up for Windows development?

  - by Matt Brailsford

  Hi Guys, I'm looking at buying a MacBook Pro to replace my tiring laptop. My day to day job is as a .NET web developer so I am looking to use VMware Fusion to run VS and SQL server etc. As I've not run my dev environment in a VM before, I would like to know how others are setup. What apps to you have installed? In which environment? Where do you store your files? Within each environment, or some shared drive? Are there any gotchas? Or essentials I should know. Many thanks Matt

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• The item you tried to buy is no longer available [Environment: Sandbox]

  - by Ansari

  I am trying to put In App purchase in my application. I had setup a consumable product which was working fine in Sandbox environment. Now i just made a new product which is non-consumable with new price tier, and deleted the old one. Update my code, with the new Product ID. When request is sent, it properly shows the right Product with newly added price tier, But when you tap on Buy button it gives you the error "The item you tried to buy is no longer available [Environment: Sandbox]". Any idea ?

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• Spring MVC - JSP - Place to Store Environment Specific Constants

  - by jboyd

  Where in the Spring-MVC/JSP application would you store things that need to be accessed by both the controllers and views such as environment specific base_url's, application ids to be used in javascript and so on? I've tried creating an application scoped bean and then at the top of my JSPs, but that doesn't seem to be working. <!-- Environment --> <bean id="myEnv" class="com.myapp.MyAppEnvironment" scope="application"> <property name="baseUrl" value="http://localhost:8080/myapp/"/> <property name="videoPlayerId" value="234346565"/> </bean> And using it in the following manner <jsp:useBean id="myEnv" scope="application" type="com.myapp.MyAppEnvironment"/>

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• Should we create Virtual Machine environment so a consultant can develop in similiar environment?

  - by ChrisNel52

  This is a large project and currently there are only 3 developers working on it. We have some money in the budget to contract development help from a software consulting firm. However, because the location of our business it would be beneficial if the consultant could do their development off-site. Also, our company policy doesn't allow contract help to VPN into our network, so that is not an option. My question is, would it be a good idea to create a Virtual Machine that copies our internal environment (particularly our database and WCF service) and give the consultant the Virtual Machine image so that they can replicate the environment at their place of work? I haven't worked much with Virtual Machines, so I'm not sure if this is a good idea or if there are huge obstacles that I'm not thinking of. If anyone has ever done anything like this, it would be great to hear the pros/cons. Any help would be appreciated.

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• Autotest notifications on Ubuntu virtual environment

  - by Luciano

  I am having trouble getting Rails autotest notifications to work on the Engine Yard Vagrant environment. On the Mac, I normally get the notifications via Growl. However, on the virtual environment (which runs Ubuntu) that doesn't work. I tried running Linux notification setups such as libnotify+autotest-notification, but I get the following error: libnotify-Message: Unable to get session bus: /bin/dbus-launch terminated abnormally with the following error: Autolaunch error: X11 initialization failed. ** (notify-send:1004): CRITICAL **: dbus_g_proxy_connect_signal: assertion `DBUS_IS_G_PROXY (proxy)' failed ** (notify-send:1004): CRITICAL **: dbus_g_proxy_connect_signal: assertion `DBUS_IS_G_PROXY (proxy)' failed ** (notify-send:1004): CRITICAL **: dbus_g_proxy_call: assertion `DBUS_IS_G_PROXY (proxy)' failed Another path would be to have Growl receive the notifications remotely, but I don't even know where to begin with that... Any suggestions?

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• Preferred Windows Java Development Environment

  - by JF

  I've been a Linux Java developer for years and have loved it. I just got a new laptop which is running Windows 7. I could wipe the drive and go back to my typical Linux dev setup: vim for editing, tabbed Bash windows running javac and java for smaller projects, ant for big projects That said, I'm really thinking it couldn't hurt to learn to develop in a new environment. So, with that in mind, are there any Windows-based Java devs out there? What setup do you like to use to get things done? It'd be interesting to hear both ways to emulate my Linux-based environment as well as completely different styles that I might benefit from trying.

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• Deserialization error in a new environment

  - by cerhart

  I have a web application that calls a third-party web service. When I run it locally, I have no problems, but when I move it to my production environment, I get the following error: There is an error in XML document (2, 428). Stack: at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events) at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle) at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) at RMXClasses.RMXContactService.ContactService.getActiveSessions(String user, String pass) in C:\Users\hp\Documents\Visual Studio 2008\Projects\ReklamStore\RMXClasses\Web References\RMXContactService\Reference.cs:line 257 at I have used the same web config file from the production environment but it still works locally. My local machine is a running vista home edition and the production environment is windows server 2003. The application is written in asp.net 3.5, wierdly under the asp.net config tab in iis, 3.5 doesn't show up in the drop down list, although that version of the framework is installed. The error is not being thrown in my code, it happens during serialization. I called the method on the proxy, I have checked the arguments and they are OK. I have also logged the SOAP request and response, and they both look OK as well. I am really at a loss here. Any ideas? SOAP log: This is the soap response that the program seems to have trouble parsing only on server 2003. On my machine the soap is identical, and yet it parses with no problems. SoapResponse BeforeDeserialize; <?xml version="1.0" encoding="UTF-8"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="urn:ContactService" xmlns:ns2="http://api.yieldmanager.com/types" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><ns1:getActiveSessionsResponse> <sessions SOAP-ENC:arrayType="ns2:session[1]" xsi:type="ns2:array_of_session"> <item xsi:type="ns2:session"> <token xsi:type="xsd:string">xxxxxxxxxxxxxxxxxxxx1ae12517584b</token> <creation_time xsi:type="xsd:dateTime">2009-09-25T05:51:19Z</creation_time> <modification_time xsi:type="xsd:dateTime">2009-09-25T05:51:19Z</modification_time> <ip_address xsi:type="xsd:string">xxxxxxxxxx</ip_address> <contact_id xsi:type="xsd:long">xxxxxx</contact_id></item></sessions> </ns1:getActiveSessionsResponse></SOAP-ENV:Body></SOAP-ENV:Envelope>

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• How to log Computer Environment name in log4net?

  - by sanjeev40084

  Does anyone know how to dump environment name in log4net?

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• Java application failing on special characters.

  - by Scottm

  An application I am working on reads information from files to populate a database. Some of the characters in the files are non-English, for example accented French characters. The application is working fine in Windows but on our Solaris machine it is failing to recognise the special characters and is throwing an exception. For example when it encounters the accented e in "Gérer" it says :- Encountered: "\u0161" (353), after : "\'G\u00c3\u00a9rer les mod\u00c3" (an exception which is thrown from our application) I suspect that in order to stop this from happening I need to change the file.encoding property of the JVM. I tried to do this via System.setProperty() but it has not stopped the error from occurring. Are there any suggestions for what I could do? I was thinking about setting the basic locale of the solaris platform in /etc/default/init to be UTF-8. Does anyone think this might help? Any thoughts are much appreciated.

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• How can I find out the original username a process was started with?

  - by szabgab

  There is a perl script that needs to run as root but the we must make sure the user who runs the script did not log-in originally as user foo as it will be removed during the script. So how can I find out if the user, who might have su-ed several times since she logged in has not impersonated 'foo' at any time in that chain? I found an interesting perl script that was calling the following two shell scripts, but I think that would only work on Solaris. my $shell_paren = `ps -ef | grep -v grep | awk \'{print \$2\" \"\$3}\' | egrep \"^@_\" | awk \'{print \$2}'`; my $parent_owner = `ps -ef | grep -v grep | awk \'{print \$1\" \"\$2}\' | grep @_ | awk \'{print \$1}\'`; This needs to work on both Linux and Solaris and I'd rather eliminate the repeated calls to he the shell and keep the whole thing in Perl.

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• Passenger problem: "no such file to load" -- /config/environment

  - by Mason Jones

  I've been researching this one and found references to similar problems here and there, but none of them has led to a solution yet. I've installed passenger (2.2.11) and nginx (0.7.64) and when I start things up and hit a Rails URL, I get an error page informing me of a load error: no such file to load -- /path/to/app/config/environment From what I've found online this appears to be some sort of a user/permissions error, but I've tried all the logical fixes: I've made sure that /config/environment.rb is not owned by root, but by a webapp user. I've tried setting passenger_default_user, I've tried setting passenger_user_switching off. I've even tried setting the nginx user, though that shouldn't matter much. I've gotten some differing results, but nothing's actually worked. I'm hoping someone may have the magical combination of settings and permissions for this. I may try backing down to an earlier version of Passenger, because I've never had this issue before; it's been a little while since I set up Passenger though. Thanks for any suggestions.

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• Setting Environment Variables For NMAKE Before Building A 'Makefile Solution'

  - by John Dibling

  I have an MSVC Makefile Project in which I need to set an environment variable before running NMAKE. For x64 builds I needs to set it to one value, and for x86 builds I need to set it to something else. So for example, when doing a build I would want to SET PLATFORM=win64 if I'm building a 64-bit compile, or SET PLATFORM=win32 if I'm building 32-bit. There does not appear to be an option to set environment variables or add a pre-build even for makefile projects. How do I do this? EDIT: Running MSVC 2008

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• How to prevent command/script from changing global environment

  - by guillermooo

  I need to run scriptblocks/scripts from the current top-level shell and I want them to leave the global environment unmodified. So far, I've only been able to think of the following possibilities: powershell -file <script> powershell -noprofile -command <scriptblock> The problem is, that they are very slow. For instance, I would like to be able to do: mkdir newdir cd newdir $env:NEW_VAR = 100 ni -item f 'newfile.txt' ...so that my shell's working dir wouldn't change and $env:NEW_VAR wouldn't be set in the global environment. Are there any more alternatives to accomplish this?

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• How to check whether your code environment on Windows or on Linux or other OS

  - by justjoe

  hi, right now, i code custom wordpress theme and testing it in xampp windows XP on apache server. But as long as i concern, there's no wp build-in function to identify the code environment. Is there's any PHP build-in function to identify such thing ? for the record, what i want to code need to read a directory. in my apache (in windows), the path will be c:/xampp/htdocs where apache on linux will be \somepath\somepath\ so, is there any code solution to know what is the OS environment without i have to compare the path ? i hope it will also work on other OS with other webserver then APACHE such as IIS

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• ExpandEnvironmentStrings Not Expanding My Variables

  - by Adam Driscoll

  I have a process under the Run key in the registry. It is trying to access an environment variable that I have defined in a previous session. I'm using ExpandEnvironmentStrings to expand the variable within a path. The environment variable is a user profile variable. When I run my process on the command line it does not expand as well. If I call 'set' I can see the variable. Some code... CString strPath = "\\\\server\\%share%" TCHAR cOutputPath[32000]; DWORD result = ExpandEnvironmentStrings((LPSTR)&strPath, (LPSTR)&cOutputPath, _tcslen(strPath) + 1); if ( !result ) { int lastError = GetLastError(); pLog->Log(_T( "Failed to expand environment strings. GetLastError=%d"),1, lastError); } When debugging Output path is exactly the same as Path. No error code is returned. What is goin on?

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• What are the difference between Cygwin on windows and real UNIX environment

  - by Tarun

  Hi, I am a C/C++ developer. I have never done C++ programming on UNIX, I have done only on windows. I want to practice C++ on Unix. (Because all big companies ask C++ with Unix). I have a laptop on which i do not want to install any other OS (because i have installed very important software on it and i don't have setups) So, I searched and found CygWin which is Unix emulator for Windows. I am thinking to practice C++ on this. Please help me, how can I practice/learn in more close to the environment(Unix Environment) that is used in Big companies like IBM. What will be the difference between Unix and Cygwin?

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• haproxy and tomcat intermittent hangs

  - by Lorin

  I am trying to run haproxy in front of tomcat on a Solaris x86 box, but I am getting intermittent failures. At seemingly random intervals, the request just hangs until haproxy times out the connection. I thought maybe it was my app, but I've been able to reproduce it with the tomcat manager app, and hitting tomcat directly there is no problems at all. Hitting it repeatedly with curl will cause the error within 10-15 tries curl -ikL http://admin:admin@<my server>:81/manager/status haproxy is running on port 81, tomcat on port 7000. haproxy returns a 504 gateway timeout to the client, and puts this into the log file: Sep 7 21:39:53 localhost haproxy[16887]: xxx.xxx.xxx.xxx:65168 [07/Sep/2009:21:39:23.005] http_proxy http_proxy/tomcat7000 5/0/0/-1/30014 504 194 - - sHNN 0/0/0/0/0 0/0 "GET /manager/status HTTP/1.1" Tomcat shows nothing, no error in the logs and no indication that the request ever makes it to the tomcat server. The request count is not incremented, the manager app only shows activity on one thread, serving up the manager app. Here are my haproxy and tomcat connector settings, I've been playing with both a good deal trying to chase down the issue, so they may not be ideal, but they definitely don't seem like they should cause this error. server.xml <Connector port="7000" protocol="HTTP/1.1" enableLookups="false" maxKeepAliveRequests="1" connectionLinger="10" /> haproxy config global log loghost local0 chroot /var/haproxy listen http_proxy :81 mode http log global option httplog option httpclose clitimeout 150000 srvtimeout 30000 contimeout 3000 balance roundrobin cookie SERVERID insert server tomcat7000 127.0.0.1:7000 cookie server00 check inter 2000

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• haproxy and tomcat intermittent hangs

  - by user7347

  I am trying to run haproxy in front of tomcat on a Solaris x86 box, but I am getting intermittent failures. At seemingly random intervals, the request just hangs until haproxy times out the connection. I thought maybe it was my app, but I've been able to reproduce it with the tomcat manager app, and hitting tomcat directly there is no problems at all. Hitting it repeatedly with curl will cause the error within 10-15 tries curl -ikL http://admin:admin@<my server>:81/manager/status haproxy is running on port 81, tomcat on port 7000. haproxy returns a 504 gateway timeout to the client, and puts this into the log file: Sep 7 21:39:53 localhost haproxy[16887]: xxx.xxx.xxx.xxx:65168 [07/Sep/2009:21:39:23.005] http_proxy http_proxy/tomcat7000 5/0/0/-1/30014 504 194 - - sHNN 0/0/0/0/0 0/0 "GET /manager/status HTTP/1.1" Tomcat shows nothing, no error in the logs and no indication that the request ever makes it to the tomcat server. The request count is not incremented, the manager app only shows activity on one thread, serving up the manager app. Here are my haproxy and tomcat connector settings, I've been playing with both a good deal trying to chase down the issue, so they may not be ideal, but they definitely don't seem like they should cause this error. server.xml <Connector port="7000" protocol="HTTP/1.1" enableLookups="false" maxKeepAliveRequests="1" connectionLinger="10" /> haproxy config global log loghost local0 chroot /var/haproxy listen http_proxy :81 mode http log global option httplog option httpclose clitimeout 150000 srvtimeout 30000 contimeout 3000 balance roundrobin cookie SERVERID insert server tomcat7000 127.0.0.1:7000 cookie server00 check inter 2000

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