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• Script to set NO_HEARTBEAT Flag

  - by Koppar

  The new plugin provides some flags to help debug the browser side VM. Below are the flags: JPI_PLUGIN2_DEBUG=1JPI_PLUGIN2_VERBOSE=1 The above 2 provide tracing information JPI_PLUGIN2_NO_HEARTBEAT = 1 This disables sending of  heartbeat messages between browser side VM and the client JVM instance(s). This lets the client JVM stay independent of browser side VM. These are to be set as system environment variables. Many a times we are required to set them using scripts. Here is a small script to achieve the same: -----------set_jpi_flags.vbs------------------------------------------ Set WSHShell = WScript.CreateObject("WScript.Shell")Set WshEnv = WshShell.Environment("USER")WshEnv("JPI_PLUGIN2_NO_HEARTBEAT") = "1"WshEnv("JPI_PLUGIN2_DEBUG") = "1"WshEnv("JPI_PLUGIN2_VERBOSE") = "1"WScript.Echo WshEnv("JPI_PLUGIN2_NO_HEARTBEAT")   ---- displays the value of the NO_HEARTBEAT var ---------------------------------------------------------------------------

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• Why rewrite directive causes "301 Moved Permanently" with Nginx?

  - by Desmond Hume

  Below is a much simplified version of what I have in the configuration file of a server run by Nginx 1.2.5, yet it causes 301 Moved Permanently with Location: http://example.com/phpmyadmin/ before serving data, which is not what I expected from the default behavior of the rewrite directive. server { listen 80; location /pma { rewrite ^ /phpmyadmin; } location /phpmyadmin { root /var/www; index Documentation.html; } } When I follow http://example.com/pma, the data is served but the URL in the browser is changed to http://example.com/phpmyadmin/ while it was supposed to stay http://example.com/pma. How do I avoid Nginx sending 301 Moved Permanently so that it doesn't expose the actual directory structure on my server?

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• How to send credentials to linkedIn website and get oauth_verifier without signing in again [closed]

  - by akash kumar

  I am facing a problem sending credentials to another website so that I can login the user (automatically, not clicked on sign in here) and get an oauth_verifier value. I want to send the email address and the password through a form (submit button) from my website (e.g. a Liferay portal) to another website (e.g. LinkedIn), so that it automatically returns an oauth_verifier to my website. That means I don't want the user of my website to submit his email and password to LinkedIn again. My goal is to take the email and password of the user in my website and show the user his LinkedIn connection, message, job posting (again, in my website, not LinkedIn). I dont want the user redirected to the LinkedIn website to sign in there and then come back to my website. I have taken a consumer key and a secret key from LinkedIn for my web aplication. I am using the LinkedIn API and getting oauth_verifier for access token but in order to login, I have to take user to LinkedIn to sign in, while I want it to happen in the backend.

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• Wordpress html email plugin that doesn't merge with your users?

  - by christian

  I just launched a wordpress site as a redesign of my strictly html site and added my blogger blog to Wordpress to keep it all in one place. I am trying to send an html email from my Wordpress site to all of my blogger subscribers encouraging them to subscribe to my new blog and join my newly created membership program, but every html email plugin (that I have found) imports your your users with you Wordpress users before you can send them an email. Is there a plugin that allows me to send an html email to a list of email address without adding them as users? otherwise I will have to go through and delete all of my users (after importing the list and sending the email) and try to pick out my legitimate users who have already signed up all the while watching for new ones to make sure I don't delete them.

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• lubuntu notify-send remove limit of 21?

  - by giuspen

  sending notifications with notify-send in lubuntu notify-send -i error -t 1000 "Error" "error notification" I can send only 21 of them, after that no more notifications sent, the only way to receive more notifications is to click on the panel where there's a letter with the number 21 and then click on the button "clear all notifications". Is there a way to avoid the need to go clicking the button, also is there a way to remove at all that letter with number of notifications received? UPDATE: I realize that notification-daemon (0.7.3) is used. I downloaded the sources and edited the source code (nd-queue.c - on_bubble_destroyed) to do not buffer but always destroy the bubbles but I would prefer another way...

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• What's the best practice for async APIs that return futures on Scala?

  - by Maurício Linhares

  I have started a project to write an async PostgreSQL driver on Scala and to be async, I need to accept callbacks and use futures, but then accepting a callback and a future makes the code cumbersome because you always have to send a callback even if it is useless. Here's a test: "insert a row in the database" in { withHandler { (handler, future) => future.get(5, TimeUnit.SECONDS) handler.sendQuery( this.create ){ query => }.get( 5, TimeUnit.SECONDS ) handler.sendQuery( this.insert ){ query => }.get( 5, TimeUnit.SECONDS ).rowsAffected === 1 } } Sending the empty callback is horrible but I couldn't find a way to make it optional or anything like that, so right now I don't have a lot of ideas on how this external API should look like. It could be something like: handler.sendQuery( this.create ).addListener { query => println(query) } But then again, I'm not sure how people are organizing API's in this regard. Providing examples in other projects would also be great.

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• Architecture guidelines for a "single page web-app"

  - by Matt Roberts

  I'm going to start a side project to build a "single page" web application. The application needs to be real-time, sending updates to the clients as changes happen. Are there any good resources for best-practice approaches wrt the architecture for these kinds of applications. The best resource I've found so far is the trello architecture article here: http://blog.fogcreek.com/the-trello-tech-stack/ To me, this architecture, although very sexy, is probably over-engineered for my specific needs - although I do have similar requirements. I'm wondering if I need to bother with a sub/pub at the server side, could I not just push updates from the server when something happens (e.g. when the client sends an update to the server, write the update to the db, and then send an update to the clients). Tech-wise, I'm probably looking to build this out in Node.JS or maybe Ruby, although the architecture guidelines should to some extent apply to any underlying server technologies.

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• How do I overcome paralysis by analysis when coding?

  - by LuxuryMode

  When I start a new project, I often times immediately start thinking about the details of implementation. "Where am I gonna put the DataBaseHandler? How should I use it? Should classes that want to use it extend from some Abstract superclass..? Should I an interface? What level of abstraction am I going to use in my class that contains methods for sending requests and parsing data?" I end up stalling for a long time because I want to code for extensibility and reusability. But I feel it almost impossible to get past thinking about how to implement perfectly. And then, if I try to just say "screw it, just get it done!", I hit a brick wall pretty quickly because my code isn't organized, I mixed levels of abstractions, etc. What are some techniques/methods you have for launching into a new project while also setting up a logical/modular structure that will scale well?

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• Email Content creation | Proper design

  - by Umesh Awasthi

  Working on an E commerce application where we need to send so many email to customer like Registration email Forget Password Order placed There are many other emails that can be sent, I already have emailService in place which is responsible for sending email and It needs an Email object, Everything is working find, but I am struck at one point and not sure how best this can be done. We need to create content so as it can be passed to emailService and not sure how to design this. For example, in Customer registration, I have a customerFacade which is working between Controller and ServiceLayer, I just want to delegate this Email Content creation work away from Facade layer and to make it more flexible. Currently I am creating Registration email content inside customerFacade and some how I am not liking this way, since that means for each email, I need to create content in respective Facade. What is best way to go or current approach is fine enough?

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• Online training modules / programs for best software engineering practices?

  - by Steve

  We're taking over a team in a foreign country and the programming standards there aren't up to par with US standards. Folks there lack the formal training and basic understanding of computing concepts of databases, how computers work, what good software engineering practices are. Short of sending these ppl to college again, are there good online courses available that we can enroll them into so that they can upgrade their skills? I am specifically looking for online training courses, but recommendations for books are also welcome. This is language-agnostic.

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• Will Xubuntu 12.10 also have amazon ads?

  - by Miguel Guasch

  and thanks in advance for your comments: I'm currently using Ubuntu 12.04, and quite happy with it. I'm using the Unity desktop, and I've got no major complaints. My problem/question is: I've been reading on the news, forums, and different websites that the new version in 12.10, which i'll eventually have to upgrade to if I plan on using Ubuntu, has a lens/amazon function on the dash that sends queries to amazon. Now, this disturbs me a bit, since I don't want to see "shopping recommendations" everytime I look for something, be they from amazon or from "future partners". Does this new "function" only apply to the Unity desktop? If I switch to the Xfce desktop, will I be able to "save myself" from sending search data to amazon and/or shopping recommendations from them? Or will I have to entirely switch distributions, in order to evade this? Again, many thanks in advance for your comments and/or help. Regards, Miguel.

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• 410 Responses when your CMS host doesn't support them?

  - by leeand00

  Sending a 410 responses for a page that no longer exist should make Google stop crawling for that page. The site I am working on has been recently migrated, and very little of the content was migrated. I've already turned the existing content into 301 redirects (the content that is on both the old and the new site), but now I would like to flush the old content from Google's memory by placing 410 responses in it's path when it returns to crawl for them and finds a 404 response. However, I asked our CMS host about it, and they said that our CMS does not support 410 responses. Is there some other way to post a 410 response, like making a dead link 301 redirect to a page that a 410 response in the form of a meta tag?

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• Iptables on ubuntu Ubuntu 10.04.1 not working

  - by Kevin

  I am trying to block an IP address from accessing my server by using iptables, but didn't succeed. Here are the commands that I used. (after these commands, I still keep seeing 50.18.12.86 sending request to my Apache server). sudo iptables -F sudo iptables -I OUTPUT -s 50.18.12.86 -j REJECT sudo iptables -I INPUT -s 50.18.12.86 -j REJECT sudo iptables -L -n Chain INPUT (policy ACCEPT) target prot opt source destination REJECT all -- 50.18.12.86 0.0.0.0/0 reject-with icmp-port-unreachable Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination REJECT all -- 50.18.12.86 0.0.0.0/0 reject-with icmp-port-unreachable I have tried DROP instead of REJECT, but doesn't help.

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• How to avoid Hotmail/Live rejections for (legit) large volume eMailing?

  - by vmarquez

  While qualifying eMail for Spam, Hotmail/Live checks the historical records of numbers of eMails sent by a sender (FROM, eMail Server, IP, etc.). Some times, perfectly valid bulk eMails that are not Spam, (i.e. double opt-in list, from a server with proper SPF Record, signed with DKIM, unregister links and contact info, etc.) are rejected and not delivered to destinataries. Not even to their Junk folder. I guess we can avoid this situation by progressivelly "training" Hotmail/Live about the reputation of our sender and sending small quantyties of eMails innitially and increasing the quantity for some amount/percentaje during each delivery. Are there guidelines or do you have any experience on these quantities, strategy, solutions? Thank you in advance. EDIT: This question with a bounty is still unanswered. 8 hours to be automatically awarded! Do you have the answer?

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• Are there sources of email marketing data available?

  - by Gortron

  Are sources of email marketing data available to the public? I would like to see email marketing data to see what kind of content a business sends out, the frequency of sending, the number of people emailed, especially the resulting open rates and click through rates. Are businesses willing to share data on their previous email marketing campaigns without divulging their contact list? I would like to use this data to create an application to help businesses create better newsletters by using this data as a benchmark, basically sharing what works and what doesn't for each industry.

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• Referring to hardware/software in first-person? [closed]

  - by JYelton

  At my company, there is a habit for the engineers to refer to their respective hardware/firmware/software in the first-person as if the device they are responsible for is a manifestation of themselves. I'll give you an example: Hardware Engineer: "I don't receive the first byte, so I stay off." Software Engineer: "I'm sending you the first byte after the ack flag, so I thought you were getting it." Hardware Engineer: "No, you're not turning me on." It was this very example I overheard today that nearly had me giggling in fits. "You're not turning me on." Well, I should hope not! So, is it common practice for engineers to do this, or simply unprofessional? Any suggestions for changing this apparently bad habit?

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• Do the best developers look for a better job, or a better job finds them?

  - by Vasil Remeniuk

  As an example, one of the JavaPosse (popular Java podcast) hosts, Tor Norbey, has recently moved from Oracle to Google, and I'm more that sure that he has been lured (he definitely has not been sending his CV to Google). The rumor has it that 'high-level' developers are never hired through the job-sites. So, (given that you're a good developer) when you what to hold an appealing position in the company that interests you, and invest a lot of time into increasing your online-presence and self-branding blogging, twitting, contributing to opensource, actively participating in community sites (e.g., Stackoverflow), should you send your CVs here and there or just wait for proposals?

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• Free forum engine with good anti-attack mechanisms

  - by macias

  I am looking for forum engine (for discussions) with good attack countermeasures built in. Windows (preferrably) or Linux. Free (as beer). I think about registration flooding and blocking user accounts attacks. For registration, such engine should have at least: captcha blocking mulitple registrations from the same IP providing login (for logging in) and user name (for displaying the author of the posts) For logging in: no blocking on multiple tries -- instead after X try sending via mail a token, the third piece needed for next login -- without it logging in will be impossible (it would be similar to activation process) The engine should be designed with two ideas in mind: protecting engine against attacks 0 penalty for decent users Thank you in advance for your help and recommendations.

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• UDP Code client server architecture

  - by GameBuilder

  Hi I have developed a game on android.Now I want to play it on wifi or 3G. I have game packets which i want to send it form client(mobile) to server then to another client2(mobile). I don't know how to write code in Java to send the playPackets continuously to server and receive the playPacket continuously from the server to the clients. I guess i have to use two thread one for sending and one for receiving. Can someone help me with the code, or the procedure to write code for it. Thanks in advance.

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• How can I remove the security/malicious user warning from my website?

  - by BigBoy1337

  I have a domain name tradespring.net, and www.tradespring.net that redirect to my heroku app with a CNAME record. However when I first try to access these sites it gives me a malicious warning This is probably not the site you are looking for! blah blah blah then "proceed anyways" or "back to safety" Its because my browser realizes that it is redirecting. How can I make sure anyones browser (not just my browser) trusts this site and my heroku app? I dont think i need an SSL certificate because this site is not sending sensitive info (credit card info, ect.).

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• Configure mailserver to make all the mails come to 1 single mailbox

  - by Vinod K

  mailserever domain name is "Vrk.com".. I want to store message sent to "yahoo.com" too...can i do tht.. I have /etc/postfix/virtual in which i have entered.. @yahoo.com root And 1 more thing...i have user named "vinod" in the mail server...now when i address any mails to "[email protected]"...it works....but when i do "[email protected]"...it gives me error saying...this doesnt exist in the the server...but when i send mails to "[email protected]"...it sends the mails (though it goes into the mail.log as an error entry)...it atleast doesnt stop me from sending it...why is that??

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• Handling packet impersonating in client-server model online game

  - by TheDespite

  I am designing a server-client model game library/engine. How do I, and should I even bother to handle frequent update packet possible impersonating? In my current design anyone could copy a packet from someone else and modify it to execute any non-critical action for another client. I am currently compressing all datagrams so that adds just a tad of security. Edit: One way I thought about was to send a unique "key" to the verified client every x_time and then the client has to add that to all of it's update packets until a new key is sent. Edit2: I should have mentioned that I am not concerned about whether the actions described in the packet are available to the client at the time, this is all checked by the server which I thought was obvious. I am only concerned about someone sending packets for another client.

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• Do you know a good html mailing list management software with admin levels?

  - by SirG

  I'm basically looking for a program/app/script (can be commercial) which I can ideally install on a windows server (we can run asp, asp.net php mssql) we have different groups of people who send newsletters to web members, I want to bring it all into one app which I can monitor and control. Ideally it would be able to create html newsletters, (with some templates) track emails and click throughs. Manage email lists subscribe/unsubscribes. And importantly have different levels of admin, so a newsletter creator could log in and create and send off an email, it goes into a queue where a communications editor can have an overview of all newsletters and approve the sending of the emails or edit them before they are sent off. before I start coding something up myself I thought I'd ask if anyone has any advice! Cheers!

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• What are the IEEE and ACM good for?

  - by Joshua Fox

  Membership in the IEEE and ACM is sometimes portrayed as a sign of professionalism. But all that is involved, as far as I can tell, is sending them your money. In return, besides the potential resume line, these organizations sponsor conferences and journals. I can always attend a conference or subscribe to or submit a paper to a journal, whether I am a member or not. If being a member makes some of that cheaper, or is a prerequisite for admission then OK, but I still don't see the purpose of these organizations. The answer, as far as I can gather, is that their most important value is to provide some reading material. I'd suggest that this is not worth the money given the wide availability of other valuable reading materials.

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• Where are bluetooth received files saved

  - by Luis Alvarado

  I have used Blueman and the default Bluetooth manager an every time I accept the file transfer from the Phone to the PC, it shows that it is transferring and even notifies me that the transfer was successful but I can not find the image anywhere. Where are files stored after sending them via Bluetooth to the PC? I already checked my Home folder. The Picture folder which I thought it would be the one for images. Then the document folder and afterwards I did a huge check on all folders under /home. No luck. Is nowhere. I even checked this answer with no luck.

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