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• How to remove the last character from Stringbuilder

  - by hmloo

  We usually use StringBuilder to append string in loops and make a string of each data separated by a delimiter. but you always end up with an extra delimiter at the end. This code sample shows how to remove the last delimiter from a StringBuilder. using System; using System.Collections.Generic; using System.Text; using System.Linq; class Program { static void Main() { var list =Enumerable.Range(0, 10).ToArray(); StringBuilder sb = new StringBuilder(); foreach(var item in list) { sb.Append(item).Append(","); } sb.Length--;//Just reduce the length of StringBuilder, it's so easy Console.WriteLine(sb); } } //Output : 0,1,2,3,4,5,6,7,8,9 Alternatively,  we can use string.Join for the same results, please refer to blow code sample. using System; using System.Collections.Generic; using System.Text; using System.Linq; class Program { static void Main() { var list = Enumerable.Range(0, 10).Select(n => n.ToString()).ToArray(); string str = string.Join(",", list); Console.WriteLine(str); } }

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• mod_rewrite and SEO friendliness

  - by John Doe

  My website has an atypical structure and I'm not sure if this could create problems in the long run, specially for SEO positioning purposes. I have a unique, large PHP script, and I use the Apache module mod_rewrite in the .htaccess file to create friendly URLs, for example: RewriteRule ^$ /index.php?section=Main RewriteRule ^createArticle$ /index.php?section=Main&view=CreateArticle RewriteRule ^configuration$ /index.php?section=Configuration RewriteRule ^article/([0-9]{1,10})$ /index.php?section=Article&view=Default&id=$1 RewriteRule ^deleteArticle/([0-9]{1,10})$ /index.php?section=Article&view=Delete&id=$1 RewriteRule ^reportArticle/([0-9]{1,10})$ /index.php?section=Article&view=Report&id=$1 RewriteRule ^logIn$ /index.php?section=Authentication ... So, www.example.com/index.php?section=Article&view=Default&id=105 would become www.example.com/article/105. The only real physical file is index.php, in which the parameters of the URL queried is processed and the corresponding result is outputted. My question is, do the crawling robots (e.g. Googlebot) recognize these links? Do they index the resulting HTML outputted by index.php with the specified parameters as if it was a actual HTML file? Also, would this become a problem when creating a Sitemap?

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• Transparent JPanel, Canvas background in JFrame

  - by Andy Tyurin

  I wanna make canvas background and add some elements on top of it. For this goal I made JPanel as transparent container with setOpaque(false) and added it as first of JFrame container, then I added canvas with black background (in future I wanna set animation) to JFrame as second element. But I can't undestand why i see grey background, not a black. Any suggestions? public class Game extends JFrame { public Container container; //Game container with components public Canvas backgroundLayer; //Background layer of a game public JPanel elementsLayer; //elements panel (top of backgroundLayer), holds different elements private Dimension startGameDimension = new Dimension(800,600); //start game dimension public Game() { //init main window super("Astra LaserForces"); setSize(startGameDimension); setBackground(Color.CYAN); container=getContentPane(); container.setLayout(null); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //init jpanel elements layer elementsLayer=new JPanel(); elementsLayer.setSize(startGameDimension); elementsLayer.setBackground(Color.BLUE); elementsLayer.setOpaque(false); container.add(elementsLayer); //init canvas background layer backgroundLayer = new Canvas(); backgroundLayer.setSize(startGameDimension); backgroundLayer.setBackground(Color.BLACK); //set default black color container.add(backgroundLayer); } //start game public void start() { setVisible(true); } //create new instance of game and start it public static void main(String[] args) { new Game().start(); } }

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• SEO: Getting site to show in location-specific searches

  - by willvv

  I'm really new to this SEO world and I've been reading a lot to try and figure it out. We have a site moodbond.com that allows users to browse/create events anywhere. And we fill it with content from the main cities in the US. We would like it to show for searches for things like "events in san francisco" or "what to do in new york", however, since the site is not really location-specific, I'm not really sure where to begin. I've been thinking a couple of things, maybe you can help me decide if these would be a good way to start or if I should try something different. 1- Allow something like location-specific urls (e.g. moodbond.com/browse/san-francisco) could just show the main page centered in San Francisco. 2- Change the headers/title of the page so it adapts automatically to the city being browsed (and change this dynamically as the user changes the location of the map). 3- Add internal links to different locations (e.g. add a link at the footer of the page that says "Events in Seattle" that makes the site load events in that city. (this would probably depend on implementing #1). What do you guys think? will any of these really help or should I look for a different approach? any advice is welcome. Thanks

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• can't send with postfix but I can whith one user

  - by CvR_XX

  I have a postfix and dovecot server but when i try to send an email i get an time -out. Im trying to send with the email [email protected]. A telnet session isn't helping much ether. I get a blank screen. Local it's working fine. My smtp service is running on treadity.com:25. The strange thing is that the logs are completely empty with any info regarding sending emails. Receiving is working alright. Another strange thing is that i've send some message's and that it worked. But that is only with one email. I can still send from that account but other emails are failing any idea's? config file: # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters #smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key #smtpd_use_tls=yes #smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache #smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem smtpd_tls_key_file=/etc/ssl/private/dovecot.pem smtpd_use_tls=yes # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters #smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key #smtpd_use_tls=yes #smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache #smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem smtpd_tls_key_file=/etc/ssl/private/dovecot.pem smtpd_use_tls=yes # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters #smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key #smtpd_use_tls=yes #smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache #smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_cert_file=/etc/ssl/certs/dovecot.pem smtpd_tls_key_file=/etc/ssl/private/dovecot.pem smtpd_use_tls=yes smtpd_tls_auth_only = yes #Enabling SMTP for authenticated users, and handing off authentication to Dovecot smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes 1,1 Top

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• How to delete old pagefile.sys and hiberfile.sys on secondary disk (old windows install)

  - by Silvermist

  A while ago I swapped my main hard disk for a SSD. Now the old one is used as a secondary hard disk, and my OS is a fresh windows install on the main SSD disk. Nevertheless, there are still huge pagefile.sys and hiberfile.sys on that secondary hard drive. Those are not the ones used by the current windows, as those do exist on C:. I tried to attrib -s -h them, but it refused with "Access denied". Any idea how to delete those old unused system files and reclaim the space?

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• Unity, changing gravity game & stopping character when he hit a wall.

  - by Sylario

  i am currently working on a 2d puzzle game in the unity engine. One of the aspect of this game is the possibility to rotate the level of 90°. It also rotate the gravity. The main character is not directly controlled by the player, but instead fall when the level is rotated. When the main character hit a wall, he should stop to move. If i do not stop it, it kind of blink ans shake against the wall. To stop it i detect collision and depending on the current rotation state, the player will stop at "vertical" or "horizontal" tags when a OnCollisonEnter occurs. I must do that because when the player fall on his relative ground, He must not stop like if he had touch a wall. My problem is the 'side' of platform, or the 'top' of wall, they use the same tag and thus do not give the correct tag to my character. I tried to put a very small invisible box on top/side of elements but the collision occurs nevertheless. It seems when the player falls and hit something he go through a bit before being replaced at correct position by unity. Is there a way : 1 ) to doesn't stop my character but to make it appear immobile on screen 2 ) To detect a "i cannot move anymore" collision other than by using collision?

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• Host forwarding fails, server is up, domain name tests ambiguous

  - by jayunit100

  I have a domain name registered with http://www.registryrocket.com/ The "main" site, which is called rudolfcode.net, is registered under godaddy, and forwards to a heroku site (rudolfcode.herokuapp.com). I have found that the main site, rudolfcode.net works, but the hostgator forwarding has stopped working (firefox simply fails when you point to http://www.rudolflabs.com, which is the domain name registered by hostgator). How can I debug this issue ? Finally, I have tried to run some DNS tests, and here are the results : Im not sure what the failures mean .... But Im pretty sure that "Conecting to WWW Home Page" failed is a pretty bad sign ! Thanks.

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• Persisting high score table in flash game without a network. (Featuring: HttpListenerException)

  - by bearcdp

  Hi everyone, this question is very programming-centric, but it's for a game so I figured I might as well post it here. I'm doing polishing work on a GGJ '11 game because it will be shown at an indie arcade tomorrow afternoon, and they're expecting our final build in the morning. We'd like to have a high score table that displays during attract mode, but since it's Flash (Flixel) it would require some networking, Mochi, or something to keep a record of these scores. Only problem is the machine we'd be running on probably won't have network access. As a quick solution, I thought I'd just write up a dinky little high score server in C#/.NET that could take basic GET requests for submitting scores and getting the score list. We're talking REAL basic, like blocking while waiting for an incoming request, run & forget console app, etc. There's no guarantee that our .swf won't get reloaded, and we'd like the scores to persist, so this server would pretty much exists to keep a safe copy of the scores that the game can add to and request, and occasionally the server will write the scores to a flat text file. But, HttpListener is giving me Error Code 87 'The parameter is incorrect.' Have any idea what I'm doing wrong? Or better yet, am I barking up the wrong tree and missing an obviously simpler solution? This is all I've got so far in my Main(): HttpListener listener = new HttpListener(); listener.Prefixes.Add("http://localhost:66666/"); listener.Start(); The exception happens at listener.Start(); and the stack trace is: at System.Net.HttpListener.AddAllPrefixes() at System.Net.HttpListener.Start() at WOSEBCE_ScoreServer.Program.Main(String[] args) in C:\Users\Michael\Documents\Visual Studio 2010\VS2010 Projects\WOSEBCE_ScoreServer\WOSEBCE_ScoreServer\Program.cs:line 24 at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()

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• Best way: restructure an existing Team Foundation Server (TFS) solution

  - by dhh

  In my department we are developing several smaller AddOns for some unified communication server. For versioning and distributed development we use a Team Foundation Server 2012. But: there is only one large TFS solution for all of our applications and libraries: Main Solution Applications App 1 App 2 App 3 Externals Libraries Lib 1 Lib 2 Tools The "Application" path contains all main applications. Those are not depending on each other, but they depend on the Libraries and Externals projects. The "Externals" path contains some external DLLs referenced in our Applications and Libraries. The Libraries path contains commonly used libs (UI templates, Helper classes, etc.). They do not depend on each other and they are referenced in the Libraries and the Tools projects. The Tools path contains some helper programs like setup helpers, update web services, etc. Now, there's some major points why I'd like to change this structure: We can't use server builds. It's uncomfortable to manage TFS scrum management with sprints, impediments, etc. with a solution structure like that. Every developer always has access to all projects in the solution. A complete build lasts too long if one accidentally hits [F6] in Visual Studio... What would you change in this solution? How would you break those projects into smaller Solutions, how should those solutions be structured. My first approach would be, to create one TFS project for each Application, Library and Tool. But how can I ensure that e.g. App 2 always contains the newest version of Lib 1? Do I have to monitor changes on Lib 1 and update App 2 manually as soon as the Lib changes? Or can I somehow force Visual Studio to always use the newest version of an external project somehow?

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• Splitting a tetris game apart - where to put time-management?

  - by nightcracker

  I am creating a tetris game in C++ & SDL, and I'm trying to do it "good" by making it object-oriented and keeping scopes small. So far I have the following structure: A main with some lowlevel SDL set up and handling input A game class that keeps track of score and provides the interface for main (move block down, etc) A map class that keeps track of the current game field, which blocks are where. Used by the game class. A block class that consists of the current falling block, used by game. A renderer class abstracting low level SDL to a format where you render "tetris blocks". Used by map and block. Now I have a though time where to place the time-management of this game. For example, where should be decided when a block bumps the bottom of the screen how long it takes the current block locks in place and a new block spawns? I also have an other unrelated question, is there some place where you can find some standard data on tetris like standard score tables, rulesets, timings, etc?

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• UnsatisfiedLinkError: no swt-gtk-4233

  - by Abogical

  I'm a Java newbie who just a made a simple Java program using SWT for GUI via eclipse Juno. The code was working and the program was able to run inside eclipse, so I compiled it and made it a runnable jar file so it can be run outside eclipse. I tried to run it using the terminal and this error came up. Exception in thread "main" java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: no swt-gtk-4233 in java.library.path no swt-gtk in java.library.path Can't load library: /home/abody/.swt/lib/linux/x86_64/libswt-gtk-4233.so Can't load library: /home/abody/.swt/lib/linux/x86_64/libswt-gtk.so at org.eclipse.swt.internal.Library.loadLibrary(Library.java:331) at org.eclipse.swt.internal.Library.loadLibrary(Library.java:240) at org.eclipse.swt.internal.C.<clinit>(C.java:21) at org.eclipse.swt.internal.Converter.wcsToMbcs(Converter.java:63) at org.eclipse.swt.internal.Converter.wcsToMbcs(Converter.java:54) at org.eclipse.swt.widgets.Display.<clinit>(Display.java:133) at Class1.main(Class1.java:12) So now it looks like it can't find "libswt-gtk-4233.so" and the other file. However, when I took a look at he ".swt" folder I had an "libswt-gtk-3740.so" not 4233. So its trying to find a file that is more up-to-date. So what does that mean, should I update SWT? what's going on?

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• Windows script to create directories of 3,000 files

  - by uhpl1

  We have some email archiving that is dumping all the emails into a directory. Because of some performance reasons with the server, I want to setup an automated task that will run a script once a day and if there is more than 3,000 (or whatever number) of files in the main directory, create a new directory with the date and move all the main directory files into it. I'm sure someone has already written something similar, so if anyone could point me at it that would be great. Batch file or Powershell would both be fine.

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• Is (Ubuntu) Linux file copying algorithm better than Windows 7?

  - by Sarath

  Windows Copying is a real mess ever since Windows Vista. Even Microsoft claims they've improved the performance, from a user perspective, it's not quite visible. Even with single file the copying window appears too much time for 'Calculating' and then finishing the copy(Even after 100% completion some times the dialog remains active). At the same time, I was backing up some files in Ubuntu Linux. I felt it's really fast. Might be a feeling caused by faster UI updates. I read an informative post from Jeff Atwood few years back on Windows File Copying. but what my specific questions are Is (Ubuntu) Linux file performance is better than Windows-7? Are both algorithms, Windows and Linux is making use of multiple threads and pipelining mechanism to improve the speed? If yes, which one is better?

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• XSLT and possible alternatives [on hold]

  - by wirrbel

  I had a look at XSLT for transforming one XML file into another one (HTML, etc.). Now while I see that there are benefits to XSLT (being a standardized and used tool) I am reluctant for a couple of reasons XSLT processors seem to be quite huge / resource hungry XML is a bad notation for programming and thats what XSLT is all about. It do not want to troll XSLT here though I just want to point out what I dislike about it to give you an idea of what I would expect from an alternative. Having some Lisp background I wonder whether there are better ways for tree-structure transformations based upon some lisp. I have seen references to DSSSL, sadly most links about DSSSL are dead so its already challenging to see some code that illustrates it. Is DSSSL still in use? I remember that I had installed openjade once when checking out docbook stuff. Jeff Atwood's blog post seems to hint upon using Ruby instead of XSLT. Are there any sane ways to do XML transformations similar to XSLT in a non-xml programming language? I would be open for input on Useful libraries for scripting languages that facilitate XML transformations especially (but not exclusively) lisp-like transformation languages, or Ruby, etc. A few things I found so far: A couple of places on the web have pointed out Linq as a possible alternative. Quite generally I any kind of classifications, also from those who have had the best XSLT experience. For scheme http://cs.brown.edu/~sk/Publications/Papers/Published/kk-sxslt/ and http://www.okmij.org/ftp/Scheme/xml.html

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• Export 1 year of CVS to another repo?

  - by John Dibling

  We have a CVS repo with many years of history. It has become huge and unwieldly, so we would like to split this singe repo in to two repos: The main repo would have 1 year's worth of history, up to and including present day. This is where all dev work would take place. An archive repo would have the complete history, up to the point where the main repo would take over. This would be read-only, and only used to look at historical changes. Given that we are starting with one huge, monolithic CVS repo, is it possible to split it up in this way? How can this be accomplished?

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• plugging in a 3.3V 50pin laptop HDD to USB?

  - by barlop

  I have a 50pin laptop hard drive. 1.8" wide. This 50pin connector concerns me.. Even if I get an adaptor, How can I know which side of the connector takes the power? I don't want to plug it in the wrong way. And I don't have n adaptor.. Could people link me to adaptors too. but main question is, which side to plug it in when I get the adaptor. I want to be sure. I do not want to blow the hdd. For the 3.3V I have a plan. Connecting green and black and using the orange cable(3.3v) to feed power. I am not too worried about that bit. But as I said.. Main thing is I want to know which side is 3.3V hard drive is MK6006GAH

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• Use crontab scheduling java application problem occurs

  - by koma

  The main method to start the java application. The main method initialize the log, and then determine whether the process is running. Every 10 minutes, scheduled to run through the linux crontab. Able to determine that the 10 minutes of this program must end. Under normal circumstances, will print the following log The beginning of the implementation of 10 minutes The end of the 10 minutes of normal The beginning of the implementation of 20 minutes The end of the 20 minutes of normal The beginning of the implementation of 30 minutes The end of the 30 minutes of normal ..... But now this situation: The beginning of the implementation of 10 minutes The end of the 10 minutes of normal Execution starts in 30 minutes, but detected already have a process in operation, the program exits. Start the execution of 40 points, but detected already have a process in operation, the program exits. ..... Very strange 20-minute log does not print, but the 20-minute program has been launched by the ps-ef | grep java view java thread, found in a 20-minute thread is locked. But why not see the log Check the linux dispatch log, not see scheduling a 20-minute log.

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• Nginx, logrotate and empty files

  - by tzulberti

  I have a problem with nginx/logrotate. The problems is that nginx is logging access to 2 files (main and data). I have the following contrab setting: 0 * * * * /usr/sbin/logrotate -f /home/orwell/orwell-setup/bin/logrotate-nginx And the file "logrotate-nginx" has the following content: /tmp/data.log { rotate 90 daily missingok notifempty size 1 sharedscripts postrotate [ ! -f /tmp/nginx.pid ] || kill -USR1 `cat /tmp/nginx.pid` MORE THINGS endscript } /tmp/main.log { rotate 90 daily missingok notifempty size 1 sharedscripts postrotate [ ! -f /tmp/nginx.pid ] || kill -USR1 `cat /tmp/nginx.pid` MORE THINGS endscript } The work is done in the two files, but there is a problem that nginx stops logging into those files. Both files are created, but they are empty. Any ideas why nginx stop logging info to both files?

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• Squid stale-while-revalidate not working when max-age=0

  - by Wiliam

  Squid 2.7 always reaches backend, expected is to reach backend using stale-while-revalidate only when cache expires, not when client triggers max-age=0. Script: <?php header('Cache-Control: public, max-age=10, stale-if-error=200, stale-while-revalidate=500'); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); sleep(2); die("OK"); And squid config: # http_port public_ip:port accel defaultsite= default hostname, if not provided http_port 80 accel defaultsite=mydomain.com # IP and port of your main application server (or multiple) cache_peer 127.0.0.1 parent 8000 0 no-query allow-miss originserver name=main # Do not tell the world that which squid version we're running httpd_suppress_version_string on # Remove the Caching Control header for upstream servers header_access Cache-Control deny all #header_access Last-Modified deny all # log all incoming traffic in Apache format logformat combined %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh access_log /usr/local/squid/var/logs/squid.log combined all cache_effective_user squid refresh_pattern . 10080 90% 999999 ignore-no-cache override-expire ignore-private icp_port 0

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• Linux and Windows machines sharing a network

  - by Saif Bechan

  I have different Windows and Linux machines that share an internal private network. From within this network I can SSH to every machine etc. This internal network works great. I have my main windows machine from where I control these machines either trough SSH or virtual desktop. Is there a way for me on my main machine to see all the machines that are connected to the network. I want to be able to see all the machines and maybe browse them, share files etc. I am very new to networking of this kind so any recommendations are welcome. Should I set up this network by workgroup? I do not think Linux supports that. Or should I set up the network with domain, I never did that before.

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• Sharing files between multiple sites using only desktop software

  - by perlyking

  Our organisation has three sites; a head office, where the master copies of company files are stored, plus two branch offices using only workstations and a NAS or two. Currently we're talking about <10GB. At the main office, we have no admin access to the file server, as this is entirely controlled by the larger institution where we are located. For the same reason, we have no VPN remote access to this network. Instead, we simply have access to a network share using over a Novell LAN. Question: how can we share files between offices in way that minimises latency, i.e. that gives us a mirror of the main network share at each site? (There is little likelihood of concurrent editing, and we can live with the odd file conflict now and again). Up to now branch office staff have had to use GotoMyPC-type solutions to remotely access files held at the main office. Or email. I was hoping to use Google Drive on a dedicated workstation at each office to sync the contents of the network share (head office) or NAS (branch offices) via the cloud, but at my last attempt (29 Jun '12), the Google Drive installer would not allow me to designate the remote network share as the "target" folder. (I chose Google Drive over Drobbox et al. as we already use GMail for corporate mail) The next idea was to use a designated workstation at head office to mirror the network share to a local drive, then use Google Drive to push that to the cloud. This seems a step too far. Nor do I have any good ideas about how to achieve this network/local mirroring, as we can't, for example, install the rsync daemon on the server. I do not want to use Google Drive locally on each workstation as this will inconvenience users, and more importantly, move files off the backed-up, well-maintained (UPS, RAID etc) network share at head office. Our budget is only in the £100's. Should we perhaps just ditch the head office server and use something like JungleDisk? At least this presents the user with what appears to be a mapped drive.

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• OpenGL depth texture wrong

  - by CoffeeandCode

  I have been writing a game engine for a while now and have decided to reconstruct my positions from depth... but how I read the depth seems to be wrong :/ What is wrong in my rendering? How I init my depth texture in the FBO gl::BindTexture(gl::TEXTURE_2D, this->textures[0]); // Depth gl::TexImage2D( gl::TEXTURE_2D, 0, gl::DEPTH32F_STENCIL8, width, height, 0, gl::DEPTH_STENCIL, gl::FLOAT_32_UNSIGNED_INT_24_8_REV, nullptr ); gl::TexParameterf(gl::TEXTURE_2D, gl::TEXTURE_MAG_FILTER, gl::NEAREST); gl::TexParameterf(gl::TEXTURE_2D, gl::TEXTURE_MIN_FILTER, gl::NEAREST); gl::TexParameterf(gl::TEXTURE_2D, gl::TEXTURE_WRAP_S, gl::CLAMP_TO_EDGE); gl::TexParameterf(gl::TEXTURE_2D, gl::TEXTURE_WRAP_T, gl::CLAMP_TO_EDGE); gl::FramebufferTexture2D( gl::FRAMEBUFFER, gl::DEPTH_STENCIL_ATTACHMENT, gl::TEXTURE_2D, this->textures[0], 0 ); Linear depth readings in my shader Vertex #version 150 layout(location = 0) in vec3 position; layout(location = 1) in vec2 uv; out vec2 uv_f; void main(){ uv_f = uv; gl_Position = vec4(position, 1.0); } Fragment (where the issue probably is) #version 150\n uniform sampler2D depth_texture; in vec2 uv_f; out vec4 Screen; void main(){ float n = 0.00001; float f = 100.0; float z = texture(depth_texture, uv_f).x; float linear_depth = (n * z)/(f - z * (f - n)); Screen = vec4(linear_depth); // It ISN'T because I don't separate alpha } When Rendered so gamedev.stackexchange, what's wrong with my rendering/glsl?

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• Splitting Pygame functionality between classes or modules?

  - by sec_goat

  I am attempting to make my pygame application more modular so that different functionalities are split up into different classes and modules. I am having some trouble getting pygame to allow me to draw or load images in secondary classes when the display has been set and pygame.init() has been done in my main class. I have typically used C# and XNA to accomplish this sort of behavior, but this time I need to use python. How do I init pygame in class1, then create an instance of class2 which loads and converts() images. I have tried pygame.init() in class 2 but then it tells me no display mode has been set, when it has been set in class1. I am under the impression i do not wnat to create multiple pygame.displays as that gets problematic I am probably missing something pythonic and simple but I am not sure what. How do I create a Display class, init python and then have other modules do my work like loading images, fonts etc.? here is the simplest version of what I am doing: class1: def __init__(self): self.screen = pygame.display.set_mode((600,400)) self.imageLoader = class2() class2: def __init__(self): self.images = ['list of images'] def load_images(): self.images = os.listdir('./images/') #get all images in the images directory for img in self.images: #read all images in the directory and load them into pygame new_img = pygame.image.load(os.path.join('images', img)).convert() scale_img = pygame.transform.scale(new_img, (pygame.display.Info().current_w, pygame.display.Info().current_h)) self.images.append(scale_img) if __name__ == "__main__": c1 = class1() c1.imageLoader.load_images() Of course when it tries to load an convert the images it tells me pygame has not been initialized, so i throw in a pygame.init() in class2 ( i have heard it is safe to init multiple times) and then the error goes to pygame.error: No video mode has been set

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• Router used as ethernet bridge wont show up

  - by user1255271

  I have a Netgear router in my living room that has the wireless signal. It is connected to a Powerline plug that goes up to my bedroom. That is plugged into another router that is used as an ethernet hub. It's cables go into my PS3 and my server. The second router shows up as a hidden network on my laptop, and I can connect to it. But it is not listed as an attached device on my main router, and my laptop says that it connects straight to the main router, not the second one. How can I connect to this router? Aside from swapping the two? Thanks in advance.

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