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• Postfix a lot of relay acces denied errors in maillog

  - by tester3

  I'm on Centos 6.5 with Postfix/Dovecot and some virtual domains. Postfix works fine, but I've got a lot of messages like this "NOQUEUE: reject: RCPT from 1-160-127-12.dynamic.hinet.net[1.160.127.12]: 454 4.7.1 : Relay access denied; from= to= proto=SMTP" in my maillog. I've tried to close port 25 with iptables, when I do so - I got no such messages, but my mail system starts work incorrectly and can't receive mail from other hosts. Please help! My postconf -n: alias_database = $alias_maps alias_maps = hash:/etc/postfix/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 html_directory = no inet_interfaces = all inet_protocols = ipv4 mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man message_size_limit = 20971520 mydestination = localhost.$mydomain, localhost newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES relay_domains = * sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_tls_cert_file = /etc/pki/tls/certs/example.com.crt smtp_tls_key_file = /etc/pki/tls/private/example.com.key smtp_tls_loglevel = 1 smtp_tls_session_cache_database = btree:/etc/postfix/smtp_tls_session_cache smtp_tls_session_cache_timeout = 3600s smtp_use_tls = yes smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_local_domain = example.com smtpd_sasl_path = /var/run/dovecot/auth-client smtpd_sasl_security_options = noanonymous smtpd_sasl_tls_security_options = $smtpd_sasl_security_options smtpd_sasl_type = dovecot smtpd_tls_cert_file = /etc/pki/tls/certs/example.com.crt smtpd_tls_key_file = /etc/pki/tls/private/example.com.key smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:/etc/postfix/smtpd_tls_session_cache smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes soft_bounce = yes tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 550 virtual_alias_maps = hash:/etc/postfix/vmail_aliases virtual_gid_maps = static:2222 virtual_mailbox_base = /var/vmail virtual_mailbox_domains = hash:/etc/postfix/vmail_domains virtual_mailbox_maps = hash:/etc/postfix/vmail_mailbox virtual_minimum_uid = 2222 virtual_transport = virtual virtual_uid_maps = static:2222 Please help! Will attach master.cf or anything other if needed.

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• How to make Jetty webserver listen on port 80?

  - by Jonas

  I would like to use Jetty as a webserver. I have edited the configuration file at /etc/default/jetty and set: # change to 0 to allow Jetty start NO_START=0 # Listen to connections from this network host # Use 0.0.0.0 as host to accept all connections. JETTY_HOST=0.0.0.0 Now I can reach the Jetty webserver at http://192.168.1.10:8080 but I would like to have Jetty listening on port 80. I have tried this setting in the same configuration file: # The network port used by Jetty JETTY_PORT=80 and then restart Jetty with sudo service jetty restart but it doesn't work. How can I change so that the Jetty webserver is listening on port 80?

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• SSH'ing to my machine attaches an existing screen session and detaching it ends my SSH session

  - by jsplaine

  ssh'ing to my Ubuntu machine automatically attaches an existing screen session and detaching ends my ssh session What I want is to be able to ssh to my Ubuntu machine without automatically attaching to the screen session on that machine. Or at least, I should be able to to detach from that screen session w/o ending my ssh session .. right? Doesn't seem to work. This so that I can attempt to run firefox --display <whichever one is being forwarded to my ssh session>, so that I can debug a website that the remote Ubuntu machine is running (via localhost). Best case scenario is that I could just remote-desktop to my Ubuntu machine. But it's not set up to allow remote-desktop, and I see no way to set it up remotely via shell/ssh. Also, it sounds like you need a static IP in order to remote desktop to an Ubuntu machine (so I keep reading).

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• OpenGL ES Basic Fragment Shader help with transparency

  - by Chris

  I have just spent my first half hour playing with the shader language. I have modified the basic program I have which renders the texture, to allow me to colour the texture. varying vec2 texCoord; uniform sampler2D texSampler; /* Given the texture coordinates, our pixel shader grabs the corresponding * color from the texture. */ void main() { //gl_FragColor = texture2D(texSampler, texCoord); gl_FragColor = vec4(0,1,0,1)*vec4(texture2D(texSampler,texCoord).xyz,1); } I have noticed how this affects my transparent textures, and I believe I am loosing the alpha channel which would explain why previously transparent area's appear totally black. If I use the following line instead, I am shown the transparent area's gl_FragColor = vec4(0,1,0,1)*vec4(texture2D(texSampler,texCoord).aaa,1); How can I retain the transparency after this modification to the colour? I have seen various things about a .w property, and also luminous, but my tweaks with those and the .aaa property are not working XD

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• Best practices for managing deployment of code from dev to production servers?

  - by crosenblum

  I am hoping to find an easy tool or method, that allow's managing our code deployment. Here are the features I hope this solution has: Either web-based or batch file, that given a list of files, will communicate to our production server, to backup those files in different folders, and zip them and put them in a backup code folder. Then it records the name, date/time, and purpose of the deployment. Then it sends the files to their proper spot on the production server. I don't want too complex an interface to doing the deployment's because then they might never use it. Or is what I am asking for too unrealistic? I just know that my self-discipline isn't perfect, and I'd rather have a tool I can rely on to do what needs to be done, then my own memory of what exact steps I have to take every time. How do you guys, make sure everything get's deployed correctly, and have easy rollback in case of any mistakes?

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• GRE Tunnel over IPsec with Loopback

  - by Alek

  Hello, I'm having a really hard time trying to estabilish a VPN connection using a GRE over IPsec tunnel. The problem is that it involves some sort of "loopback" connection which I don't understand -- let alone be able to configure --, and the only help I could find is related to configuring Cisco routers. My network is composed of a router and a single host running Debian Linux. My task is to create a GRE tunnel over an IPsec infrastructure, which is particularly intended to route multicast traffic between my network, which I am allowed to configure, and a remote network, for which I only bear a form containing some setup information (IP addresses and phase information for IPsec). For now it suffices to estabilish a communication between this single host and the remote network, but in the future it will be desirable for the traffic to be routed to other machines on my network. As I said this GRE tunnel involves a "loopback" connection which I have no idea of how to configure. From my previous understanding, a loopback connection is simply a local pseudo-device used mostly for testing purposes, but in this context it might be something more specific that I do not have the knowledge of. I have managed to properly estabilish the IPsec communication using racoon and ipsec-tools, and I believe I'm familiar with the creation of tunnels and addition of addresses to interfaces using ip, so the focus is on the GRE step. The worst part is that the remote peers do not respond to ping requests and the debugging of the general setup is very difficult due to the encrypted nature of the traffic. There are two pairs of IP addresses involved: one pair for the GRE tunnel peer-to-peer connection and one pair for the "loopback" part. There is also an IP range involved, which is supposed to be the final IP addresses for the hosts inside the VPN. My question is: how (or if) can this setup be done? Do I need some special software or another daemon, or does the Linux kernel handle every aspect of the GRE/IPsec tunneling? Please inform me if any extra information could be useful. Any help is greatly appreciated.

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• Convert filenames to their checksum before saving to prevent duplicates. Is is a smart thing to do?

  - by Xananax

  TL;DR:what the title says I am developing some sort of image board in PHP. I was thinking of changing each image's filename to it's checksum prior to saving it. This way, I might be able to prevent duplicates. I know this wouldn't work for two images that are the same but differ in size or level of compression or whatnot, but this method would allow for an early check. What bugs me is that I never saw this method implemented anywhere, so I was wondering if there is a catch to it. Maybe it is just more efficient to keep the original filename and store the hash in DB? Maybe the whole method is just not useful and my question is moot? What do you think? On a side note, I don't really get how hashes are calculated so I was wondering, if my first question checks out, if it would be possible to calculate the likeness that two images are similar by comparing hashes (levenshtein or something of the sort).

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• Cannot ping Google Public DNS on 8.8.8.8

  - by Tibor

  I have a weird problem on my Windows 7 (x64) computer. I seem to cannot ping the Google Public DNS on one of its addresses (while the other works fine). The peculiar thing is that it fails with the General failure. error message which usually means that there is a problem with a network adapter/base connectivity and not a timeout as one would expect. I checked my routing tables for any anomalies and I even flushed them but the problem seems unrelated. All the other hosts I tried ping fine (either respond or timeout). If I try to tracert or connect to the address via browser (yes, I know that it doesn't listen on port 80), it also fails instantaneously. The reason I need to ping 8.8.8.8 is that I commonly use it as a test of Internet conectivity due to it being rememberable. The problem occurs no matter where I connect to the Internet (it is a laptop computer). What could be the cause of this anomaly? Note: I use native IPv6 connectivity.

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• CSS Intelligent Merger

  - by BHare

  I am looking for a tool very similar to http://www.tothepc.com/archives/combine-merge-multiple-css-files/ However, given this example: test1.css: #admin { background: #c9d2dc; border-color: #ccc } test2.css: #admin { background: #222; border-bottom: 1px solid #444; border-left: 1px solid #444; padding: 2px; position: fixed; right: 0px; top: 0px; width: 120px; z-index: 2 } It will only allow you to select one or the other. I want to merge them, making it: #admin { background: #c9d2dc; border-color: #ccc border-bottom: 1px solid #444; border-left: 1px solid #444; padding: 2px; position: fixed; right: 0px; top: 0px; width: 120px; z-index: 2 }

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• Recommendations for hosting large videos

  - by Clinton Blackmore

  I recently created and put a 45-minute, 300 MB video file on my website and told a mailing list about it. Checking my site stats, I see that I've used 20% of my "unlimited" bandwidth for the month. As I want to be able to have several videos like this, clearly, I need to consider other options. The appeal to hosting files as my own site (aside from the supposedly unlimited disk space and bandwidth), is to be able to have control over the format, resolution, and quality of the video(s), as well as to ensure that it is clear that I'm the copyright holder (although the videos will be under a creative commons license). I find that for the screencasts I'm making, having a high resolution (say 3/4 of 1024 * 768) really makes seeing what is going on on the screen easier. It is also always a plus to not have the experience marred by advertisements. One more wrench to throw in is that while the videos are non-commercial, they do promote a club, and it seems that that falls afoul of some terms of services (especially for free services; while free is very nice, I will certainly consider putting up some money.) What recommendations do you have for (fairly) long, high-resolution videos? Should I look in depth at sites like YouTube and Vimeo, should I be considering a filesharing site [I have no qualms with someone downloading the entire video first -- I wouldn't want to watch 45 minutes in my browser!], hosting files with Bittorent (ugh -- I think that'd reduce my audience), or should I be looking into other web hosts (and if so, who?)

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• Game Formula/Mechanic

  - by Georgiadis Abraam

  i am trying to design a game for a project i have, The main idea is a 3 Type of Heroes 3 Stat per Hero There are no levels involved so the differences must be located on Stats. Flogic)The logic of fight is that type1hero has good chances winning type2hero, type2hero has good chances type3hero and type3hero has good chances winning type1hero. For over a week i am trying to find a stats based formula that will allow me to fix this but i cant, i was meddling with numbers yesterday and it was decent but i cant extract the formula out of it. Could you plz guide me or give me hints on how should i start creating formulas on a Non lvl game that fulfills the fLogic?

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• Your Next IT Job

  - by BuckWoody

  Some data professionals have worked (and plan to work) in the same place for a long time. In organizations large and small, the turnover rate just isn’t that high. This has not been my experience. About every 3-5 years I’ve changed either roles or companies. That might be due to the IT environment or my personality (or a mix of the two), but the point is that I’ve had many roles and worked for many companies large and small throughout my 27+ years in IT. At one point this might have been a detriment – a prospective employer looks at the resume and says “it seems you’ve moved around quite a bit.” But I haven’t found that to be the case all the time –in fact, in some cases the variety of jobs I’ve held has been an asset because I’ve seen what works (and doesn’t) in other environments, which can save time and money. So if you’re in the first camp – great! Stay where you are, and continue doing the work you love. but if you’re in the second, then this post might be useful. If you are planning on making a change, or perhaps you’ve hit a wall at your current location, you might start looking around for a better paying job – and there’s nothing wrong with that. We all try to make our lives better, and for some that involves more money. Money, however, isn’t always the primary motivator. I’ve gone to another job that doesn’t have as many benefits or has the same salary as the current job I’m working to gain more experience, get a better work/life balance and so on. It’s a mix of factors that only you know about. So I thought I would lay out a few advantages and disadvantages in the shops I’ve worked at. This post isn’t aimed at a single employer, but represents a mix of what I’ve experienced, and of course the opinions here are my own. You will most certainly have a different take – if so, please post a response! I also won’t mention a specific industry – I’ve worked everywhere from medical firms, legal offices, retail, billing centers, manufacturing, government, even to NASA. I’m focusing here mostly on size and composition. And I’m making some very broad generalizations here – I am fully aware that a small company might have great benefits and a large company might allow a lot of role flexibility.  your mileage may vary – and again, post those comments! Small Company To me a “small company” means around 100 people or less – sometimes a lot less. These can be really fun, frustrating places to to work. Advantages: a great deal of flexibility, a wide range of roles (often at the same time), a large degree of responsibility, immediate feedback, close relationships with co-workers, work directly with your customer. Disadvantages: Too much responsibility, little work/life balance, immature political structure, few (if any) benefits. If the business is family-owned, they can easily violate work/life boundaries. Medium Size company In my experience the next size company I would work for involves from a few hundred people to around five thousand. Advantages: Good mobility – fairly easy to get promoted, acceptable benefits, more defined responsibilities, better work/life balance, balanced load for expertise, but still the organizational structure is fairly simple to understand. Disadvantages: Pay is not always highest, rapid changes in structure as the organization grows, transient workforce. You may not be given the opportunity to work with another technology if someone already “owns” it. Politics are painful at this level as people try to learn how to do it. Large Company When you get into the tens of thousands of folks employed around the world, you’re in a large company. Advantages: Lots of room to move around – sometimes you can work (as I have) multiple jobs through the years and yet stay at the same company, building time for benefits, very defined roles, trained managers (yes, I know some of them are still awful – trust me – I DO know that), higher-end benefits, long careers possible, discounts at retailers and other “soft” benefits, prestige. For some, a higher level of politics (done professionally) is a good thing. Disadvantages: You could become another faceless name in the crowd, might not allow a great deal of flexibility,  large organizational changes might take away any control you have of your career. I’ve also seen large layoffs happen, and good people get let go while “dead weight” is retained. For some, a higher level of politics is distasteful. So what are your experiences? Share with the group! Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• What are the best social places for programmers to interact?

  - by Chevex

  I know this is not really the right place for this type of question, but I figure it will get me started and hopefully won't be closed right off the bat. I love the programming industry a lot, but I don't have many colleagues that aren't introverted and/or anti-social, or self-centered. What are some good places online to find programming friends that I could share my adventures with? I love stack overflow but it is more technical and doesn't really allow you to put up a personal project just for people to see and critique. Any suggestions? A good forum would be great! The only ones I can find are usually full of inexperienced people who just "want" to be a programmer. I'm looking more for a place who's members are already programmers discussing programming topics.

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• Apache2.2 not responding on Windows 7 desktop

  - by Adam

  Afternoon! I'm having some trouble with Apache2.2 on Windows 7. For over a year it's been running no problem, but all of a sudden requests have just stopped responding. They don't ever time out, the browser just keeps on waiting for a response, which makes me think it's something blocking communication with Apache. Interestingly though, if I stop Apache the requests fail immediately. The Apache service is running, and using netstat I can see it listening on port 80 as configured: TCP 127.0.0.1:80 0.0.0.0:0 LISTENING If I stop the Apache service, that line disappears. I have an entry within my hosts file for each VHost I'm trying, all pointing to 127.0.0.1. Each VHost is configured to *:80. Nothing however is getting recorded in the access or error (at debug level) log files. I've verified the file paths are correct, even though they were never changed. Neither is anything getting recorded within Windows' Event Log. The problem showed up when I added a new VHost and restarted, however I hadn't been using it for a couple of days prior so I don't believe it's the config change. I have performed a syntax check to be sure, and when starting from the command prompt no errors are reported there. I do have Windows Firewall running, however I've verified the Apache rule is correct and tried turning it off to ensure that wasn't the problem. I've reinstalled Apache, in the hope it might magically fix something using the default config, but still no joy. I've also tried using a different port. I'm completely lost for ideas now. Can anybody help? Cheers Adam

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• How disable mysql command in sudoers file?

  - by Carlos A. Junior

  How i can disable /usr/bin/mysql command in sudoers file ? ... Actually I've tryed use with this way: %tailonly ALL=!/usr/bin/mysql But when i'm access if user 'tailonly' of group 'tailonly', this command still enabled. In resume, i'm only want that 'tailonly' user access 'tail -f /usr/app/*.log' ... This is possible ? Edit: With this config, the user 'tailonly' still can access mysql terminal with 'mysql' command: $: sudo su $: visudo Cmnd_Alias MYSQL = /usr/bin/mysql Cmnd_Alias TAIL=/usr/bin/tail -f /jacad/jacad3/logs/*.log # User privilege specification root ALL=(ALL:ALL) ALL # Members of the admin group may gain root privileges %admin ALL=(ALL) ALL # Allow members of group sudo to execute any command %sudo ALL=(ALL:ALL) ALL %swa ALL=/etc/init.d/jacad3 stop %swa ALL=/etc/init.d/jacad3 start %swa ALL=/etc/init.d/jacad3 restart %swa ALL=sudoedit /jacad/jacad3/bin/jacad_start.sh %tailonly ALL=ALL,!MYSQL

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• Object-Oriented Operating System

  - by nmagerko

  As I thought about writing an operating system, I came across a point that I really couldn't figure out on my own: Can an operating system truly be written in an Object-Oriented Programming (OOP) Language? Being that these types of languages do not allow for direct accessing of memory, wouldn't this make it impossible for a developer to write an entire operating system using only an OOP Language? Take, for example, the Android Operating System that runs many phones and some tablets in use around the world. I believe that this operating system uses only Java, an Object-Oriented language. In Java, I have been unsuccessful in trying to point at and manipulate a specific memory address that the run-time environment (JRE) has not assigned to my program implicitly. In C, C++, and other non-OOP languages, I can do this in a few lines. So this makes me question whether or not an operating system can be written in an OOP, especially Java. Any counterexamples or other information is appreciated.

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• TCP: Address already in use exception - possible causes for client port? NO PORT EXHAUSTION

  - by TomTom

  Hello, stupid problem. I get those from a client connecting to a server. Sadly, the setup is complicated making debugging complex - and we run out of options. The environment: *Client/Server system, both running on the same machine. The client is actually a service doing some database manipulation at specific times. * The cnonection comes from C# going through OleDb to an EasySoft JDBC driver to a custom written JDBC server that then hosts logic in C++. Yeah, compelx - but the third party supplier decided to expose the extension mechanisms for their server through a JDBC interface. Not a lot can be done here ;) The Symptom: At (ir)regular intervals we get a "Address already in use: connect" told from the JDBC driver. They seem to come from one particular service we run. Now, I did read all the stuff about port exhaustion. This is why we have a little tool running now that counts ports and their states every minute. Last time this happened, we had an astonishing 370 ports in use, with the count rising to about 900 AFTER the error. We aleady patched the registry (it is a windows machine) to allow more than the 5000 client ports standard, but even then, we are far far from that limit to start with. Which is why I am asking here. Ayneone an ide what ELSE could cause this? It is a Windows 2003 Server machine, 64 bit. The only other thing I can see that may cause it (but this functionality is supposedly disabled) is Symantec Endpoint Protection that is installed on the server - and being capable of actinc as a firewall, it could possibly intercept network traffic. I dont want to open a can of worms by pointing to Symantec prematurely (if pointing to Symantec can ever be seen as such). So, anyone an idea what else may be the cause? Thanks

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• Looking for a simple to use email server that can be programmatically (preferably remotely) used

  - by sr2222

  I've been poking around the internet for much of the day, but I can't seem to find a good server to fit my needs. What I need is a simple to use and deploy (pref open source) lightweight email server that I can create users on programmaticly that has IMAP or POP support. I'd prefer something with an existing service interface, but if I have to write a REST API on top of an easy to use API, that's acceptable. The purpose of this tool will be to allow a test automation framework to create new email accounts and retrieve email sent to those addresses. I need text, html, and possibly attachment support as well. Perhaps it's my noobishness, but I can't really suss out the details from the documentation on the servers available out there to figure out which fit my needs.

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• Slower Rate of Convergence for U.S. GAAP and IFRS

  - by Theresa Hickman

  The original date of June 30, 2011 where FASB and IASB would align/converge major areas of accounting has been extended to the end of 2011. They will still meet the June 2011 date for many "urgently required" projects but some projects will not come until the second half of 2011. The reason for this is to allow more time for due diligence, review and consensus. Will this delay the U.S. adoption to IFRS? According to Ms. Schapiro, no, it will not; she is confident that the decision to adopt IFRS in the U.S. will be decided by 2011. I personally hope so because I fear that if the decision is delayed further, it might seep into the 2012 presidential election which could delay the adoption further. For more information, see reuters.com.

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• Reuseable Platform For Custom Board Game

  - by George Bailey

  Is there a generic platform to allow me to customize the rules to a board game. The board game uses a square grid, similar to Checkers or Chess. I was hoping to take some of the work out of creating this computer opponent, by reusing what is already written. I would think that there would be a pre-written routine for deciding which moves would lead to the best outcome, and all that I would need to program is the pieces, legal moves, what layout constitutes a win/lose or draw, and perhaps some kind of scoring for value of pieces. I have seen chess programs that appear to use a recursive routine, so they think anywhere from 2 to 20 moves ahead to create varying degrees of difficulty. I have noticed this on chess.com. The game I am programming will not be as complex. Is there a platform designed to be re-used for different grid/piece based games. JavaScript would be preferable, but Java or Perl would be acceptable.

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• Shader optimization - cg/hlsl pseudo and via multiplication

  - by teodron

  Since HLSL/Cg do not allow texture fetching inside conditional blocks, I am first checking a variable and performing some computations, afterwards setting a float flag to 0.0 or 1.0, depending on the computations. I'd like to trigger a texture fetch only if the flag is 1.0 or not null, for that matter of fact. I kind of hoped this would do the trick: float4 TU0_atlas_colour = pseudoBool * tex2Dlod(TU0_texture, float4(tileCoord, 0, mipLevel)); That is, if pseudoBool is 0, will the texture fetch function still be called and produce overhead? I was hoping to prevent it from getting executed via this trick that usually works in plain C/C++.

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• How can I set up a local nameserver and modify DNS zones on it?

  - by Joe Hopfgartner

  This is a follow up to this question. I am having an issue with a Router that doesn't support hairpinning properly. See the link above for details. Now I want to set up a local DNS server that Hosts in our LAN can use to resolve public Hostnames (usual webbrowsing... ). Additionally I want to modify certain zones. In our LAN we have some servers serving resources that are not available in our public dns zone. We always have to configure our local LMHost files accordingly. For example we have a staging installation with a new feature running on a local Webserver, and we cannot access it with the IP directly because the website runs in a named virtual host container, we have to configure LMHost file to point some domain to the local IP address. And now we have also the Hair pinning issue. So my question is: What software can I use? Will bind do the job? I just need to insert some A entries into the zone. As easy as possible. We have local Linux/Ubuntu servers.

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• Should a programmer take writing lessons to enhance code expressiveness?

  - by Jose Faeti

  Given that programmers are authors and write code to express abstract thoughts and concepts, and good code should be read by other programmers without difficulties and misunderstandings, should a programmer take writing lessons to write better code? Abstracting concepts and real world problems/entities is an important part of writing good code, and a good mastery of the language used for coding should allow the programmer to express his thoughts more easily, or in a better way. Besides, when trying to write or rewrite some code to make it better, much time can be spent in deciding the names for functions, variables or data structures. I think this could also help to avoid writing code with more than one meaning, often cause of misunderstanding between different programmers. Code should always express clearly its function unambiguously.

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• Strategies to Defeat Memory Editors for Cheating - Desktop Games

  - by ashes999

  I'm assuming we're talking about desktop games -- something the player downloads and runs on their local computer. Many are the memory editors that allow you to detect and freeze values, like your player's health. How do you prevent cheating via memory-modifiation? What strategies are effective to combat this kind of cheating? For reference, I know that players can: - Search for something by value or range - Search for something that changed value - Set memory values - Freeze memory values I'm looking for some good ones. Two I use that are mediocre are: Displaying values as a percentage instead of the number (eg. 46/50 = 92% health) A low-level class that holds values in an array and moves them with each change. (For example, instead of an int, I have a class that's an array of ints, and whenever the value changes, I use a different, randomly-chosen array item to hold the value)

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• Associating your MentionNotifier subscriptions with OAuth

  - by Tim Hibbard

  We recently added OAuth to MentionNotifier so that users can quickly view and edit their subscriptions without needed an additional login.  This is enabled by default for new users, but existing users will need to do the following steps to associate their subscriptions with OAuth: 1)  Go to http://software.engraph.com/ManageMentionNotifier 2)  Click “Sign in with Twitter” 3)  Verify that your twittername and email are correct 4)  Click "Associate with OAuth" This will also allow you to reply to notification emails and MentionNotifier will tweet on your behalf.  This is made possible by @sidePop written by @ferventcoder Note that the reply by email is new and buggy, so make sure that what was tweeted is correct and as expected. If you run into any issues, sent me a reply to @timhibbard. You can also join the MentionNotifier fan page on facebook, or follow @MentionNotifier on twitter.

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