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• Howto: Download local copy of Google's Pacman game

  - by macek

  It looks like this is HTML+JavaScript. Is there a way I can download a copy so I can continue playing after they take it down? Thanks for any help :) Edit Ok, ok, I wasn't completely forthcoming. Not only would I like to continue playing it, I kinda want to look at the source code, too... I was able to find this: Google pacman10-hp.2.js See it reformatted on Github here. Thanks @SteD Github repo I setup a github repo: macek/google_pacman. Check out the README, I think we're very close! Send me pull request if you make any progress. Put any useful details in the README. Let's get this working! :)

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• iPhone Web Application + zoom in zoom out issue

  - by pratik

  Hello, I am developing a web application for iPhone safari browser. There is one strange scenario: A web page is loaded. User can zoom out that web page to see the contents in zoomed out manner. There is one button in the web page. Click of this button will hide one of the 'div' in same page and another 'div' of that same page will be visible. Problem, is that suppose the user has zoomed out the web page to see the contacts in zoomed out manner. Now, user clicks the button (the page is zoomed out only), the next 'div' which is get visible is also disaplayed in zoomed out manner. What is want to do is that even if user has zoomed out the page and he clicks on the button, the next 'div' which get visible should have the display as zoomed in only.

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• insert into sql table column as GUID

  - by loviji

  I have tried with ado.net create table columnName with unique name. as uniquename I use new Guid() Guid sysColumnName = new Guid(); sysColumnName = Guid.NewGuid(); string stAddColumn = "ALTER TABLE " + tableName + " ADD " + sysColumnName.ToString() + " " + convertedColumnType + " NULL"; SqlCommand cmdAddColumn = new SqlCommand(stAddColumn, con); cmdAddColumn.ExecuteNonQuery(); con.Close(); and it fails: System.Data.SqlClient.SqlException: Incorrect syntax near '-'. ? System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) ? System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) now question, how can i fix it, or how can use different way to create unique column?

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• How to detect when window is closed when using Show() in WinForms C#

  - by MadBoy

  I've been using ShowDialog() in following way for all my new Windows. SomeGui test = new SomeGui(); test.ShowDialog(); refreshSomeListView(); However recently I've started to use Show() instead of ShowDialog() and it's working much better. The only drawback of this is that refreshSomeListView(); cannot be used like in example above since if i leave it there it's executed instantly when new Window shows up. What's the best way to know that the user has closed test window and that now refreshSomeListView(); should be executed? What's suggested approach for this? Should it involve setting events in test GUI on Close/Closing or there's other / better method?

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• Clean stop of Python bottle webserver when started from subprocess

  - by luc

  Hello all, I would like to embed the great Bottle web framework into a small application (1st target is Windows OS). This app starts the bottle webserver thanks to the subprocess module. import subprocess p = subprocess.Popen('python websrv.py') The bottle app is quite simple @route("/") def index(): return template('index') run(reloader=True) It starts the default webserver into a Windows console. All seems Ok except the fact that I must press Ctrl-C to close the bottle webserver. I would like that the master app terminates the webserver when it shutdowns. I can't find a way to do that (p.terminate() doesn't work in this case unfortunately) Any idea? Thanks in advance

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• unable to connect emulator with internet

  - by Abhijeet

  hi I am using Android 2.2 . I am unable to connect my emulator to internet . When I open my web browser in the emulator it shows the message "Web Page not available" . I have set proxy settings in the emulator (settings - Wireless & Networks -Mobile Networks - Access Point Names). Also , I set proxy settings in eclipse (Windows- Preferences- Android- Launch- Default Emulator Options). I have read many blogs and forums but I haven't found any solution yet .I am really frustrated . Please help me out. Abhijeet

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• Mysql Error in query statements

  - by Mark Estrada

  Hi All, I am trying to acquaint myself on Mysql syntax. I only have used MSSQL so far. I downloaded the Mysql Query Browser and have installed the Mysql Version 5.1 I wanted to run this line of code in the resultset tab of mysql but I keep on encountering below error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'declare iCtr int' at line 1 declare iCtr int; set iCtr = 1; while iCtr < 1000 begin insert into employee (emp_id,emp_first_name,emp_last_name,status_id) values (iCtr, 'firstName' + iCtr, 'lastName' + iCtr, 1) set iCtr = iCtr + 1; end I just wanted to populate my employees table but I cannot get past the mysql syntax. Any advise please. Thanks

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• CAB file for X86 and X64

  - by ramanakumar

  HI I have created a CAB file for an ActiveX component which is wrapper around a .Net Libray. Here the .Net Library is refering some third party components which are actually build in (X86 or X64) No Any CPU. So My Cab file should be intelligent enogh to install eigther X86 or X64 depending on the client ( Browser) I Know the change should be in the INF file. As i am new to thsi Interoperabilit technology. Please guide me in solving this problem. Thanking you.

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• need help figuring out dynamic menu generation in django

  - by photographer

  I need to dynamically generate a code like this in the resulting html: <p>>> gallery one</p> <p><a href="../gallery2">gallery two</a></p> <p><a href="../about">about the author</a></p> <p><a href="../news">our news</a></p> I do have menu_code string variable created in views.py (it is generated depending on an item number of the current page passed — 1 in the case above), which contains that long string with the code shown above. It is (well, supposed to) passed by locals() into the html template (all other variables are passed that way successfully): return render_to_response('gallery_page.html', locals()) I have this: {% include menu_code %} inside the template html. But instead of being interpreted as code it is just shown as text in the browser. What am I doing wrong? How to make it work as a dynamically generated menu?

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• NSAlert doesn't work

  - by Marco

  Hello i have implemented the following NSAlert: NSString *title = [NSString stringWithFormat:@"Keine Internetverbindung"]; NSString *alertMessage = [NSString stringWithFormat:@"Es konnte keine Verbindung zu www.sip.de aufgebaut werden!"]; NSString *ok = [NSString stringWithFormat:@"Ok"]; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:alertMessage delegate:self cancelButtonTitle:ok otherButtonTitles:nil]; [alert show]; [alert release]; and this is the delegate method to close the app: - (void)alertView:(UIAlertView *)alertView didDisMissWithButtonIndex:(NSInteger)buttonIndex{ exit(3); } But why the programm doesn't go into the method, what is my mistake? greetings Marco

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• PHP preg_replace function returns different values with the same data set

  - by patryk

  I need to use preg_match PHP function. I have a simple pattern to check the string and the thing is as follows: when I run the script at first, it gives me no match (it is supposed to match though) but when I hold F5 in my browser for a while, out of a sudden it says there's a match within the string. As I keep pushing F5, it gives either true or false. Say the pattern is /^(.*)\/[A-Za-z0-9]*$/ (I guess it's not the best way but still) and the subject is galeria/zdjecia/. I believe preg_match should return true with this set of data. Note that the data does not change when pressing F5. Why is that?

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• ASP.NET MVC Rich Text Editor not showing buttons

  - by Bibo

  Hi, I have problem with implementing Rich Text Editor (all that i tried, e.g. TinyMCE). I tried many tutorials and articles but all same. When i am trying do it the best what i get is working editor in IE (8) but other browser not (Opera, FF, Chrome). Samples that i download work fine in all browsers. I am using VS2010 ASP.NET MVC2 and e.g. i tried this http://www.billsternberger.net/asp-net-mvc/tinymce-samples-with-asp-net-mvc/ Thanks for help

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• Software to simplify displaying build status on a big visible monitor for team?

  - by MikeJ

  I had a little bit of budget left at year end and I wanted to start a little skunk works project to display build status what everyone was working on (our team is aobut 10 folks all told). I am thinking to buy a 47" LCD HD TV and drive it from a small pc via a browser/.NET web application. I was going to build the software over the christmas break since we are closed for 2 weeks starting this Friday. I thought I would solicit advise/feedback on what other teams had done. a lot of the tools we use SVN, Mantis have RSS feeds that I was thinking to render. Is this the way to go ? Thanks for any feedback in advance.

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• Apache ErrorDocument not working for PHP 500 error

  - by Jason

  I have a number of ErrorDocuments setup in my .htaccess file for errors such as 404, 401, 403 etc which all redirect to my error page but the ErrorDocument set for a 500 error is never displayed when PHP reports a 500. The 500 code is sent to the browser and the output is blank. Is there something special I need to do to enable 500 error documents for use with PHP? My directives look like this: ErrorDocument 401 /errorpage.php?error=401 ErrorDocument 403 /errorpage.php?error=403 ErrorDocument 404 /errorpage.php?error=404 ErrorDocument 500 /errorpage.php?error=500 I've looked through the php.ini and can't see anything that would obviously override the Apache settings and there are no ErrorDocument directives in my httpd.conf either. Anywhere else I should be looking? Thanks in advance.

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• Varnish default.vcl grace period

  - by Vladimir

  These are my settings for a grace period (/etc/varnish/default.vcl) sub vcl_recv { .... set req.grace = 360000s; ... } sub vcl_fetch { ... set beresp.grace = 360000s; ... } I tested Varnish using localhost and nodejs as a server. I started localhost, the site was up. Then I disconnected server and the site got disconnected in less than 2 min. It says: Error 503 Service Unavailable Service Unavailable Guru Meditation: XID: 1890127100 Varnish cache server Could you tell me what could be the problem? sub vcl_fetch { if (beresp.ttl < 120s) { ##std.log("Adjusting TTL"); set beresp.ttl = 36000s; ##120s; } # Do not cache the object if the backend application does not want us to. if (beresp.http.Cache-Control ~ "(no-cache|no-store|private|must-revalidate)") { return(hit_for_pass); } # Do not cache the object if the status is not in the 200s if (beresp.status >= 300) { # Remove the Set-Cookie header #remove beresp.http.Set-Cookie; return(hit_for_pass); } # # Everything below here should be cached # # Remove the Set-Cookie header ####remove beresp.http.Set-Cookie; # Set the grace time ## set beresp.grace = 1s; //change this to minutes in case of app shutdown set beresp.grace = 360000s; ## 10 hour - reduce if it has negative impact # Static assets - browser caches tpiphem for a long time. if (req.url ~ "\.(css|js|.js|jpg|jpeg|gif|ico|png)\??\d*$") { /* Remove Expires from backend, it's not long enough */ unset beresp.http.expires; /* Set the clients TTL on this object */ set beresp.http.cache-control = "public, max-age=31536000"; /* marker for vcl_deliver to reset Age: */ set beresp.http.magicmarker = "1"; } else { set beresp.http.Cache-Control = "private, max-age=0, must-revalidate"; set beresp.http.Pragma = "no-cache"; } if (req.url ~ "\.(css|js|min|)\??\d*$") { set beresp.do_gzip = true; unset beresp.http.expires; set beresp.http.cache-control = "public, max-age=31536000"; set beresp.http.expires = beresp.ttl; set beresp.http.age = "0"; } ##do not duplicate these settings if (req.url ~ ".css") { set beresp.do_gzip = true; unset beresp.http.expires; set beresp.http.cache-control = "public, max-age=31536000"; set beresp.http.expires = beresp.ttl; set beresp.http.age = "0"; } if (req.url ~ ".js") { set beresp.do_gzip = true; unset beresp.http.expires; set beresp.http.cache-control = "public, max-age=31536000"; set beresp.http.expires = beresp.ttl; set beresp.http.age = "0"; } if (req.url ~ ".min") { set beresp.do_gzip = true; unset beresp.http.expires; set beresp.http.cache-control = "public, max-age=31536000"; set beresp.http.expires = beresp.ttl; set beresp.http.age = "0"; } ## If the request to the backend returns a code other than 200, restart the loop ## If the number of restarts reaches the value of the parameter max_restarts, ## the request will be error'ed. max_restarts defaults to 4. This prevents ## an eternal loop in the event that, e.g., the object does not exist at all. if (beresp.status != 200 && beresp.status != 403 && beresp.status != 404) { return(restart); } if (beresp.status == 302) { return(deliver); } # Never cache posts if (req.url ~ "\/post\/" || req.url ~ "\/submit\/" || req.url ~ "\/ask\/" || req.url ~ "\/add\/") { return(hit_for_pass); } ##check this setting to ensure that it does not cause issues for browsers with no gzip if (beresp.http.content-type ~ "text") { set beresp.do_gzip = true; } if (beresp.http.Set-Cookie) { return(deliver); } ##if (req.url == "/index.html") { set beresp.do_esi = true; ##} ## check if this is needed or should be used # return(deliver); the object return(deliver); } sub vcl_recv { ##avoid leeching of images call hot_link; set req.grace = 360000s; ##2m ## if one backend is down - use another if (req.restarts == 0) { set req.backend = cache_director; ##we can specify individual VMs } else if (req.restarts == 1) { set req.backend = cache_director; } ## post calls should not be cached - add cookie for these requests if using micro-caching # Pass requests that are not GET or HEAD if (req.request != "GET" && req.request != "HEAD") { return(pass); ## return(pass) goes to backend - not cache } # Don't cache the result of a redirect if (req.http.Referer ~ "redir" || req.http.Origin ~ "jumpto") { return(pass); } # Don't cache the result of a redirect (asking for logon) if (req.http.Referer ~ "post" || req.http.Referer ~ "submit" || req.http.Referer ~ "add" || req.http.Referer ~ "ask") { return(pass); } # Never cache posts - ensure that we do not use these strings in our URLs' that need to be cached if (req.url ~ "\/post\/" || req.url ~ "\/submit\/" || req.url ~ "\/ask\/" || req.url ~ "\/add\/") { return(pass); } ## if (req.http.Authorization || req.http.Cookie) { if (req.http.Authorization) { /* Not cacheable by default */ return (pass); } # Handle compression correctly. Different browsers send different # "Accept-Encoding" headers, even though they mostly all support the same # compression mechanisms. By consolidating these compression headers into # a consistent format, we can reduce the size of the cache and get more hits. # @see: http:// varnish.projects.linpro.no/wiki/FAQ/Compression if (req.http.Accept-Encoding) { if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg|ico)$") { # No point in compressing these remove req.http.Accept-Encoding; } else if (req.http.Accept-Encoding ~ "gzip") { # If the browser supports it, we'll use gzip. set req.http.Accept-Encoding = "gzip"; } else if (req.http.Accept-Encoding ~ "deflate") { # Next, try deflate if it is supported. set req.http.Accept-Encoding = "deflate"; } else { # Unknown algorithm. Remove it and send unencoded. unset req.http.Accept-Encoding; } } # lookup graphics, css, js & ico files in the cache if (req.url ~ "\.(png|gif|jpg|jpeg|css|.js|ico)$") { return(lookup); } ##added on 0918 - check if it causes issues with user specific content if (req.request == "GET" && req.http.cookie) { return(lookup); } # Pipe requests that are non-RFC2616 or CONNECT which is weird. if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" && req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") { ##closing connection and calling pipe return(pipe); } ##purge content via localhost only if (req.request == "PURGE") { if (!client.ip ~ purge) { error 405 "Not allowed."; } return(lookup); } ## do we need this? ## return(lookup); }

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• Is there a way of executing embedded ruby in a javascript file in my /public/javascripts directory?

  - by brad

  I have a form with an ever-growing amount of associated javascript. At present this javascript lives in my form view which is fine, but it's getting larger and starting to overwhelm the form making it difficult to work on the form. I want to put this in a separate file in my /public/javascripts directory but a lot of the javascript is generated by embedded ruby. This embedded ruby is ignored and passed through to the browser if I just put the code here. What is the best way (if any) of having this embedded ruby executed and the javascript being generated in the same way as if it were in my view?

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• Using python to play two sine tones at once

  - by Alex

  I'm using python to play a sine tone. The tone is based off the computer's internal time in minutes, but I'd like to simultaneously play one based off the second for a harmonized or dualing sound. This is what I have so far; can someone point me in the right direction? from struct import pack from math import sin, pi import time def au_file(name, freq, dur, vol): fout = open(name, 'wb') # header needs size, encoding=2, sampling_rate=8000, channel=1 fout.write('.snd' + pack('>5L', 24, 8*dur, 2, 8000, 1)) factor = 2 * pi * freq/8000 # write data for seg in range(8 * dur): # sine wave calculations sin_seg = sin(seg * factor) fout.write(pack('b', vol * 127 * sin_seg)) fout.close() t = time.strftime("%S", time.localtime()) ti = time.strftime("%M", time.localtime()) tis = float(t) tis = tis * 100 tim = float(ti) tim = tim * 100 if __name__ == '__main__': au_file(name='timeSound1.au', freq = tim, dur=1000, vol=1.0) import os os.startfile('timeSound1.au')

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• NServiceBus persisting subscriptions in Pub/Sub sample

  - by Bogdan Nedelcu

  I want to figure out how I to set up the Pub/Sub sample from NServiceBus to work in the case of publisher malfunction. When I start the samples and accidentaly close the Subscribers, if I restart everything works fine. If however I kill the publisher and the subscriptions continue to work, if I restart the publisher, then it doesn't seem to know it has subscribers and doesn't post any messages. I added the config entry <MsmqSubscriptionStorageConfig Queue="subscriptions"/> but it seems to not function... I miss something. I googled about MsmqSubscriptionStorageConfig and DbSubscriptionStorageConfig but i didn't find a solution. Could someone point me in the right direction ?

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• FCGI htaccess handler

  - by sharvey

  I'm trying to setup django on a shared hosting provider. I followed the instructions on http://helpdesk.bluehost.com/index.php/kb/article/000531 and almost have it working. The problem I'm facing now is that the traffic is properly routed throught the fcgi file, but the file itself shows up as plain text in the browser. If I run ./mysite.fcgi in the ssh shell, I do get the default django welcome page. my .htaccess is: AddHandler fastcgi-script .fcgi RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*)$ mysite.fcgi/$1 [QSA,L] and mysite.fcgi: #!/usr/bin/python2.6 import sys, os os.environ['DJANGO_SETTINGS_MODULE'] = "icm.settings" from django.core.servers.fastcgi import runfastcgi runfastcgi(method="threaded", daemonize="false") thanks.

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• How mod_cache working with "must-revalidate" and "max-age"?

  - by Dmitriy Sosunov

  Quick question before I will explain my flow: ?an mod_cache perform revalidate with if-none-match only if max-age is expired in case if it configured in reverse proxy mode? My goal is to reduce a number of revalidation requests to our the origin server. For instance: The first request goes to the origin server and then mod_cache save a response in to the cache according to header cache-control: max-age. And only when max-age is expired then mod_cache will revalidate with if-none-match. Currently, mod_cache revalidate each request, regardless that max-age is defined or not. My configuration of Apache 2.4.3 (Windows), on linux I see the same behavior that I will show below. ServerName proxy.lo ProxyRequests Off ProxyPreserveHost Off Header set Vary "Accept, Content-Type, Content-Encoding, Accept-Language" RequestHeader set X-Forwarded-Proto "http" # modify header for user agent's Header set Cache-Control "private, no-cache, no-store, no-transform" CacheQuickHandler off CacheDefaultExpire 300 # the origin server do not provide last-modified CacheIgnoreNoLastMod On CacheIgnoreCacheControl On # the origin server define cache-control: private, no-store only for user agents # Therefore, I would like ignore those headers on the proxy server. CacheStorePrivate On CacheStoreNoStore On CacheEnable disk / CacheRoot "C:/Apache.Cache" CacheDirLevels 5 CacheDirLength 4 CacheMinExpire 15 CacheDetailHeader on CacheHeader on KeepAlive Off ProxyPass / http://origin.lo/ ProxyPassReverse / http://origin.lo/ Also, I have turned on debug log level to see how mod_cache handles a content for caching: I provided this to show that mod_proxy always decides that a content isn't fresh. Why?I provided this to show that mod_proxy always decide that a content isn't fresh. Why? max-age was provided (see below). [Sun Nov 04 11:58:42.899890 2012] [cache:debug] [pid 6492:tid 1400] cache_storage.c(624): [client 192.168.1.100:63741] AH00698: cache: Key for entity /testpage?(null) is http://proxy.lo/testpage? [Sun Nov 04 11:58:42.899890 2012] [cache_disk:debug] [pid 6492:tid 1400] mod_cache_disk.c(569): [client 192.168.1.100:63741] AH00709: Recalled cached URL info header http://proxy.lo/testpage? [Sun Nov 04 11:58:42.899890 2012] [cache_disk:debug] [pid 6492:tid 1400] mod_cache_disk.c(865): [client 192.168.1.100:63741] AH00720: Recalled headers for URL http://proxy.lo/testpage? [Sun Nov 04 11:58:42.899890 2012] [cache:debug] [pid 6492:tid 1400] cache_storage.c(320): [client 192.168.1.100:63741] AH00695: Cached response for /testpage isn't fresh. Adding/replacing conditional request headers. [Sun Nov 04 11:58:42.899890 2012] [cache:debug] [pid 6492:tid 1400] mod_cache.c(414): [client 192.168.1.100:63741] AH00757: Adding CACHE_SAVE filter for /testpage [Sun Nov 04 11:58:42.899890 2012] [cache:debug] [pid 6492:tid 1400] mod_cache.c(448): [client 192.168.1.100:63741] AH00759: Adding CACHE_REMOVE_URL filter for /testpage [Sun Nov 04 11:58:42.899890 2012] [proxy:debug] [pid 6492:tid 1400] mod_proxy.c(1068): [client 192.168.1.100:63741] AH01143: Running scheme http handler (attempt 0) [Sun Nov 04 11:58:42.899890 2012] [proxy:debug] [pid 6492:tid 1400] proxy_util.c(1976): AH00942: HTTP: has acquired connection for (origin.lo) [Sun Nov 04 11:58:42.899890 2012] [proxy:debug] [pid 6492:tid 1400] proxy_util.c(2029): [client 192.168.1.100:63741] AH00944: connecting http://origin.lo/testpage to origin.lo:80 [Sun Nov 04 11:58:42.901890 2012] [proxy:debug] [pid 6492:tid 1400] proxy_util.c(2151): [client 192.168.1.100:63741] AH00947: connected /testpage to origin.lo:80 [Sun Nov 04 11:58:42.901890 2012] [proxy:debug] [pid 6492:tid 1400] proxy_util.c(2554): AH00962: HTTP: connection complete to 192.168.1.100:80 (origin.lo) [Sun Nov 04 11:58:42.903890 2012] [proxy:debug] [pid 6492:tid 1400] proxy_util.c(1991): AH00943: http: has released connection for (origin.lo) [Sun Nov 04 11:58:42.903890 2012] [headers:debug] [pid 6492:tid 1400] mod_headers.c(800): AH01502: headers: ap_headers_output_filter() [Sun Nov 04 11:58:42.903890 2012] [cache:debug] [pid 6492:tid 1400] mod_cache.c(1190): [client 192.168.1.100:63741] AH00769: cache: Caching url: /testpage [Sun Nov 04 11:58:42.903890 2012] [cache:debug] [pid 6492:tid 1400] mod_cache.c(1196): [client 192.168.1.100:63741] AH00770: cache: Removing CACHE_REMOVE_URL filter. [Sun Nov 04 11:58:42.904890 2012] [cache_disk:debug] [pid 6492:tid 1400] mod_cache_disk.c(1318): [client 192.168.1.100:63741] AH00737: commit_entity: Headers and body for URL http://proxy.lo/testpage? cached. The first request to the origin server without mod_proxy to http://origin.lo/ GET http://origin.lo/testpage HTTP/1.1 Host: origin.lo Connection: keep-alive User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4 Accept: application/json Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 The first response from the origin without mod_proxy HTTP/1.1 200 OK Cache-Control: must-revalidate, proxy-revalidate, max-age=30 Content-Type: application/json; charset=utf-8 ETag: "7cf651e2-176f-4ac1-808e-0e0c17cfd0a2" Server: Microsoft-IIS/7.5 X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Date: Sun, 04 Nov 2012 10:11:01 GMT Content-Length: 1877 So, I assumed that revalidation must be occur only in 30 seconds after the success response. Is't right? Let's check it:) Within 30 sec, the Google Chrome didn't perform any requests to the origin server to revalidate a request and has return the response from local cache. When max-age is expired, the Google Chrome perform a request to revalidate: GET http://origin.lo/testpage HTTP/1.1 Host: origin.lo Connection: keep-alive Cache-Control: max-age=0 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4 Accept: application/xml If-None-Match: "7cf651e2-176f-4ac1-808e-0e0c17cfd0a2" Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 and response: HTTP/1.1 304 Not Modified Cache-Control: must-revalidate, proxy-revalidate, max-age=30 ETag: "7cf651e2-176f-4ac1-808e-0e0c17cfd0a2" Server: Microsoft-IIS/7.5 X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Date: Sun, 04 Nov 2012 10:16:20 GMT As you can see, all works as expected. User agent revalidates request only when max-age is expired. Let's now try perform the folling flow though mod_proxy (see configuration above). The first request: GET http://proxy.lo/testpage HTTP/1.1 Host: proxy.lo Connection: keep-alive User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4 Accept: application/json Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 and the response was: HTTP/1.1 200 OK Date: Sun, 04 Nov 2012 10:23:36 GMT Server: Apache Cache-Control: private, no-cache, no-store, no-transform Content-Type: application/json; charset=utf-8 ETag: "7cf651e2-176f-4ac1-808e-0e0c17cfd0a2" Content-Length: 1932 Vary: Accept,Content-Type,Content-Encoding,Accept-Language X-Cache: MISS from proxy.lo X-Cache-Detail: "cache miss: attempting entity save" from proxy.lo Connection: close Ok, let's see to the disk cache and try to see how request and response was stored. (I cut binary data) http://proxy.lo/testpage? Cache-Control: private, no-cache, no-store, no-transform Content-Type: application/json; charset=utf-8 ETag: "7cf651e2-176f-4ac1-808e-0e0c17cfd0a2" Date: Sun, 04 Nov 2012 10:27:15 GMT Content-Length: 1932 Vary: Accept, Content-Type, Content-Encoding, Accept-Language Host: proxy.lo User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4 Accept: application/json Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 X-Forwarded-Proto: http Cache-Control: max-age=300, must-revalidate X-Forwarded-For: 192.168.1.100 X-Forwarded-Host: proxy.lo X-Forwarded-Server: origin.lo Ok, what we see? We see that the first request was performed with max-age=300 & must-revalidate Ok, looks good, as for me, lets perform the next call: GET http://proxy.lo/testpage HTTP/1.1 Host: proxy.lo Connection: keep-alive User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4 Accept: application/json Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 and the second response from mod_proxy: HTTP/1.1 200 OK Date: Sun, 04 Nov 2012 10:31:58 GMT Server: Apache Cache-Control: private, no-cache, no-store, no-transform ETag: "7cf651e2-176f-4ac1-808e-0e0c17cfd0a2" Content-Length: 1932 Vary: Accept,Content-Type,Content-Encoding,Accept-Language X-Cache: REVALIDATE from proxy.lo X-Cache-Detail: "conditional cache hit: entity refreshed" from proxy.lo Connection: close Content-Type: application/json; charset=utf-8 SO, MY QUESTION IS: WHY mod_proxy perform revalidation on each request regardless that max-age is defined? N.B. Apache 2.4.3 Thanks, I would be grateful for any help.

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• ASP.NET: images broken when combining URL Rewriting, asp:ImageButton and html base tag

  - by Nick G

  Hi, I'm using URL Rewriting under ASP.NET 4 (using ISAPI_Rewrite) and I'm finding that that some of my images are not loading as .NET does not seem to understand I'm using an html BASE tag (pretty standard and essential when doing URL Rewriting): eg in my development environment I have: <base href='http://localhost/venuefinder/Website/'></base> and on my pages I have: <asp:ImageButton runat="server" ImageUrl="~/images/button.gif" /> On the home page of the site (http://localhost/venuefinder/Website/) this works fine, however on a page that uses URL rewriting, the image does not work: /venuefinder/Website/venues/ashton_gate_stadium/V18639/ ..as the browser is trying to load: http://localhost/images/buttons/search-button.gif instead of: http://localhost/venuefinder/Website/venues/images/buttons/search-button.gif This is happening because .NET is rendering the button as: src="../../../images/buttons/search-button.gif" ...which is incorrect. Is there any way I can correct this problem so that .NET renders the correct src attribute for the image? (without all the ../../../ etc)

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• How to Open a Remote Text File using Server.MapPath in ASP.Net?

  - by NJTechGuy

  This is what I have right now for a file residing on the same server and it works. Dim FILENAME as String = Server.MapPath("Output.txt") Dim objStreamWriter as StreamWriter objStreamWriter = File.CreateText(FILENAME) dr = myCommand.ExecuteReader() While dr.Read() objStreamWriter.WriteLine("{0}|{1}|{2:yyyy-MM-dd}|{3:yyyy-MM-dd}", dr(0), dr(1), dr(2), dr(3)) End While objStreamWriter.Close() I was planning on FTPing the file to another server once done but is there a way to do it on a remote server? i.e create a text file on a remote server and write to it? Did not find any instances of that usage. How to use ServerXMLHTTP to replace Server.MapPath in this instance? Thank you so much for your time.

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• I am having trouble using FileReader to write a txt file to an array (Java), what am I doing wrong?

  - by deliriumtremens

  Scanner s = null; try { s = new Scanner(new BufferedReader(new FileReader("rates.txt"))); for (int i=0; i<9; i++){ while(s.hasNext()){rates[i] = s.next();} System.out.println(rates[i]); } }catch (IOException e){ System.out.println(e); } finally { if (s != null) { s.close(); } } When I run this code, it reads the last chunk of characters in my txt file, places them in rates[0], sticks null in 1-8, then puts that same last chunk in rates[9]. I'm not sure why it's reading the end of my file first. The contents of the txt are below.. USD 1.34 EUR 1.00 JPY 126.28 GBP 0.88 INR 60.20 It reads the 60.20, which is all it is recording in the array. Any help would be appreciated.

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• HTML is not being interpreted after JQuery's .ajax function

  - by Casidiablo

  Hello there... Once I have retrived an HTML string with the $.ajax function I put it into a div... the HTML is a simple message with a <b> tag, but it's not being interpreted by the browser, I mean, the <b> is not making the text bold. Here is what I do: $.ajax({ url: 'index.php?ajax=ejecutar_configuracion&id_gadget=cubrimientos', cache: false, success: function(html){ // html = '<b>hello</b> newton' $('#config_reporte').html(html).dialog({ height: 300, width: 500, modal: true }); } }); As you can see, I'm writing the content of the HTML result into a modal dialog window. Does anybody know why is this happening? This should be something easy to do... but I haven't been able to make it work properly. Thank you so much.

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• How do I properly unit test a Django session?

  - by thebossman

  The behavior of Django sessions changes between "standard" views code and test code, making it unclear how test code is written for sessions. Googling this yields two relevant discussions about this issue: Easier manipulation of sessions by test client test.Client.session.save() raises error for anonymous users I'm confused because both tickets have different ways of dealing with this problem and they were both Accepted. I assume this means they were patched and the behavior is now different. I also don't know to which versions these patches would pertain. If I'm writing a unit test in Django 1.0, how would I set up my session store for sessions to work as they do in the browser?

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