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• Continuations in Java

  - by nobeh

  I am looking for recent work presenting continuations in Java. I have come across the same question here but it dates back for a year or two. There is some work such as JavaFlow by Apache, RIFE Continuations (that I cannot download for any reason now). Also there is a blog post mentioning the support in JDK but it seems that the support will span to Java 8. I also reckon that continuations are also introduced in recent Scala versions. I am looking for implementations in Java presenting the continuations concept. And, I am not looking for the works that present continuation-passing-style (CSP). I'd be thankful for any other work you might know.

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• How to merge branches in Git by "hunk"

  - by user1316464

  Here's the scenario. I made a "dev" branch off the "master" branch and made a few new commits. Some of those changes are going to only be relevant to my local development machine. For example I changed a URL variable to point to a local apache server instead of the real URL that's posted online (I did this for speed during the testing phase). Now I'd like to incorporate my changes from the dev branch into the master branch but NOT those changes which only make sense in my local environment. I'd envisioned something like a merge --patch which would allow me to choose the changes I want to merge line by line. Alternatively maybe I could checkout the "master" branch, but keep the files in my working directory as they were in the "dev" branch, then do a git add --patch. Would that work?

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• Anyone Using the Abyss Web Server

  - by infocyde

  Just curious to see if anyone is using the Abyss Web Server for any projects. http://www.aprelium.com/ I've checked it out a few times, had it running a few ASP.Net demo sites, but haven't gotten to far with it. I like the ease of use, but I'm thinking both IIS and Apache out class Abyss for the most part. Has anyone used it? If so, what is your experience? I ask because I'm tempted to use if for some projects, but if it isn't worth the investment I probably won't. Thanks for your time.

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• web site in pure php with clean url

  - by Testadmin

  Hi I have enabled mod_rewrite in my Xampp apache. When I run my php info page, I saw mod_rewrite under Loaded Modules. So I think it's enabled. Then I create a folder clean-url under htdocs. Inside clean-url folder I have 3 files 1) index.php here I put Welcome 2) Test. php 3) .htaccess Here I put RewriteEngine On RewriteRule ^([a-z]+)/([a-z-]+)$ /$1/$2.php [L] I want to run the index page, and by clicking on that hyper link I want to display the test.php page with URL mydomain/clean-url/test I know I am in a wrong path. Does any one help me? Or correct me? ALso i don't know any idea about url rewriting and .htaccess. Please help me.

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• What are the main reasons against the Windows Registry?

  - by dbemerlin

  If i want to develop a registry-like System for Linux, which Windows Registry design failures should i avoid? Which features would be absolutely necessary? What are the main concerns (security, ease-of-configuration, ...)? I think the Windows Registry was not a bad idea, just the implementation didn't fullfill the promises. A common place for configurations including for example apache config, database config or mail server config wouldn't be a bad idea and might improve maintainability, especially if it has options for (protected) remote access. I once worked on a kernel based solution but stopped because others said that registries are useless (because the windows registry is)... what do you think?

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• Scheduling jobs from a web environment on Linux

  - by Anders Feder

  Hi. I am developing an application in PHP on Linux/Apache. I want to be able to schedule PHP jobs (scripts) for execution at some specific time in the future from within the application. I know that many people will recommend cron and at, but first of all I don't need recurrence (cron) and secondly and most importantly, I need the solution to be able to scale. At was not designed with race condititions in mind, and if two users try to add a job at the same time one or both may fail. It's also important that jobs are executed at their specified time, and not just 'polled' once per minute or so. Can anyone please suggest solutions for this task? Thank you.

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• Protect my PHP App

  - by Abs

  Hello all, I have developed an app and its written in PHP (with a bunch of SQL scripts), this app will be used by a few small companies. For them to use it, I will have to install Apache and SQL Server for them. Every method I have thought has fallen short of what I need. I was actually just hoping to use ZendGuard or IonCube but they don't support PHP 5.3.x. Is there a simpler method where I can maybe store a key in the database and make the app run only when it knows its on that server? Maybe create a key based on some random numbers/letters and the machine name, sql server host name and encode/decode this when ever the system is in use? Thanks all for any help or ideas

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• CouchDB read authorization

  - by mdikici

  In couchdb website - technical overview - security and validation - http://couchdb.apache.org/docs/overview.html - it writes that (on reader access part) "To protect document contents, CouchDB documents can have a reader list. This is an optional list of reader-names allowed to read the document. When a reader list is used, protected documents are only viewable by listed users." I searched about how to use it but i found nothing. So is it actually used and if it is how? Thanks. -- Mustafa

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• Horizontal Scaling of Tomcat in Microsoft Azure

  - by Fabe

  Hey everyone, I am working on this quiet a while, but still no conclustion. I want to do horizontal scaling of Tomcat instances in Microsoft Azure (1,2,3,... Tomcat instances for one service). I read lots of articles about session replication, clustering,... with Tomcat. Since Azure does not support Multicasts, there is no easy way to cluster Tomcat. Also sticky sessions is no options, because Azure does round robin load balancing. Setting up two services - one with Terracotta or Apache mod_jk - and the other with Tomcat instances seems overkill for me (if even doable)... Is this even possible? Thanks in advance for reading and answering my question. Every comment/idea is highly appreciated.

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• Get Distance from geohash field in solr 3.6

  - by Omar A. Shaaban

  Is it possible to get distance returned from a geodist() filter, on a geohash field that has multiple values? The geosort and the geodist filter are working fine, but I'm trying to get the distance between the query point and a location that was returned in the result. I've tried http://wiki.apache.org/solr/SpatialSearch#Returning_the_distance The second method which is : //localhost:8983/solr/select?indent=true&fl=name,store&sfield=store&pt=45.15,-93.85&sort=score%20asc&q={!func}geodist() But it returns weird results, tested with 2 locations it returns score 9979.032, where there is ~33,000 Km between both points in reality? What is the unit that it uses returning the distance in the score field? I assumed km, but it does not make sense, or the result is bogus, I dunno Anyhelp would be appreciated, thanks

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• How to write gSOAP server using VC++ (VS2008)?

  - by Falcon

  Hi, I have downloaded gSOAP2.8 from sourceforge. I want to use it for writting a gsoap based server. I need to be able to invoke my C++ code from PHP UI. E.g. My php page would show something like: $res = a + b = ? [Submit] When submit button is clicked I want these parameters to be passed to my c++ function lets say compute_sum() ... and this function should be invoked with these parameters, and the results given back to my php page. I want to write this gsoap based c++ server. Can someone please help me with getting started with it? I need to know: 1] What kind of c++ code it should it be? (Windows console app, or a windows service) 2] How do I launch this server? (Would it need to be a webservice, hosted over something like apache?) Please advise and guide. Regards, Falcon

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• Scala Eclipse IDE suddenly ignoring breakpoints

  - by malsmith

  I've been using Scala 2.8RC1 and Scala Eclipse plugin for 2.8 RC1 happily for a few days. However, last night after adding a couple jar files to my environment (apache http client jars) the debugger just stopped stopping at breakpoints in scala code. Java code stops fine at breakpoints. I tried creating a new mimimal scala app breakpoints don't stop. I've tried switching to sun-jre-1.6.0.20 from the openjdk-1.6.18 I had been using. I've switched to the scala 2.8 nightly and also eclipse plugin for scala nightly builds. No luck. I would greatly appreciate ideas for fixes. Rather frustrating as the initial experience with 2.8 was really great.

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• Django: how to create sites dynamically?

  - by Leandro Ardissone

  Hi, I need to create an application for the company where I can create sites dynamically. For example, I need an admin interface (Django's admin is enough) where I can setup a new site and add some settings to it. Each site must hold a domain (domains can be manually added to apache conf, but if Django can handle it too would be awesome). Each site must be independent of the others, I mean, I shouldn't be able to see the data content of other sites but I can share same applications/models. I've seen the Django's Sites framework, but I'm not sure if it's possible to implement that way. Should I use Sites framework or create a new app that can handle sites better? What do you think?

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• Passing input to Ant's <exec> task

  - by mikek

  I have an Ant script running a standard -task after taking in an inputed password: <input message="Password:" addproperty="password"> <handler classname="org.apache.tools.ant.input.SecureInputHandler" /> </input> <exec executable="/bin/sh" input="${password}" failonerror="true"> <arg line='-c "myScript.sh"' /> </exec> The script myScript.sh prompts the user for a password, and, it was my understanding that from the Ant documentation that input is supposed relay input into whatever the <exec> task is executing, but instead I get (for entering the password foobar) [exec] Failed to open /usr/local/foobar which is followed by a stack trace from my script complaining about an incorrect password...so obviously I've understood the documentation wrong. Does anybody know how to handle prompted input from external scripts in Ant?

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• PHP Session Id changes between pages

  - by willl69

  Hi All, I have a problem where i am losing the PHP session between 2 pages. The session_start() is included in a file called session-inc.php into every page requiring a session to be set. This works for all pages on the site except one particular page, member-profile.php. When this page is visited a new session with a different id (same session name) is set and used instead. A few more details: Session name is set manually All pages are on the same server under the same domain name If i put an additional session_start() above the include('session-inc.php') in the member-profile.php file, the session is carried over correctly I have tried setting the session_cookie_domain and session.session_name in the .htaccess, this worked for this domain but it stopped the session being passed over to out payment domain We are running apache 2.2.6 with php 5.2.5 Putting the session_start() above the include('session-inc.php') in the member-profile.php file is the quick and dirty fix for this problem, but i am wondering if anybody know why this would be happening. Cheers Will

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• What are the alternatives for Java authentication?

  - by Crusader

  Preferably something that integrates well with a Flex front end. Yes the Spring Security guys say this is possible, but all examples seem to use legacy jsp tag libraries making them half useless as examples. I don't want to spend a month setting up and learning how to use a security tool. I would like a tool which supports using annotations (@RolesAllowed etc), MINIMAL XML, and 'remember-me' features (not cookie based). Apache Shiro seems to support Flex/Silverlight/Swing as well but I'd like to know if there are any other alternatives that are NOT container specific.

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• Still not understanding SVN Repositories in eclipse

  - by jax

  I am about to import my project into svn but don't want to stuff it up. My structure is like this: Repositories: /var/svn/client_name1/ /var/svn/client_name2/ Project directories under /var/svn/client_name1/ project1/ trunk/ branches/ tags/ project2/ trunk/ branches/ tags/ My Apache config looks like this: <Location /svn> DAV svn SVNParentPath /var/svn SVNListParentPath on AuthType Basic AuthName "My Repository" AuthUserFile /etc/svnpass Require valid-user AuthzSVNAccessFile /etc/svnauth </Location> Now I can access my svn repository http://mysite.com/svn/client_name1/ however, there are no projects displayed here, just a Revision 0 message (is that correct)? I can connect to the repository in eclipse using the same url. If I want to place an existing project into the repository what url do I use? http://mysite.com/svn/client_name1/project1 OR http://mysite.com/svn/client_name1/project1/trunk

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• deploying a war to tomcat using python

  - by Decado

  Hi, I'm trying to deploy a war to a Apache Tomcat server (Build 6.0.24) using python (2.4.2) as part of a build process. I'm using the following code import urllib2 import base64 war_file_contents = open('war_file.war','rb').read() username='some_user' password='some_pwd' base64string = base64.encodestring('%s:%s' % (username, password))[:-1] authheader = "Basic %s" % base64string opener = urllib2.build_opener(urllib2.HTTPHandler) request = urllib2.Request('http://158.155.40.110:8080/manager/deploy?path=war_file', data=war_file_contents) request.add_header('Content-Type', 'application/octet-stream') request.add_header("Authorization", authheader) request.get_method = lambda: 'PUT' url = opener.open(request) the url.code is 200, and the url.msg is "OK". However the web archive doesn't appear on the manager list applications page. Thanks.

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• Making an asynchronous interface appear synchronous to mod_python users

  - by Trey

  I have a Python-driven web interface powered by Apache 2.2 with mod_python and Python 2.4. I need to make an asynchronous process appear synchronous to users of this web interface. When users access one module on this website: An external SOAP interface will be contacted with a unique identifier and will respond with a number N The external interface will respond asynchronously by contacting a SOAP server on my machine between 1 and 10 times (the number N tells us how many responses we will receive) I need to somehow aggregate these responses and pass them to the original module which will display the information back to the user. The goal is to make the process appear synchronous to the user. What is the best way to handle this synchronization issue? Is this something Twisted would be well-suited for? I am not restricting myself to Python for the solution, though it is preferred because everything else on the server is in Python. I prefer a solution that is both scalable and will take a minimal amount of programming time (though I understand that these attributes are somewhat at odds).

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• How to access java collection, just like the table in the database, having indexes and LINQ-like que

  - by Shaman

  This task occurs from time to time in my projects. I need to handle a collection of some complex elements, having different attributes, such as login, password_hash, role, etc. And, I need to be able to query that collection, just like I query a table in the database, having only partial data. For example: get all users, with role "user". Or check, if there's a user with login "root" and role "superuser". Removing items, based on same data is also needed. The first attempt I've tried is to use Google collections, Apache collections, and lambdaj. All of them have very similar preicate mechanism, but with a great disadvantage: it is based on iteration, one by one, over the collection of items, which is not good, for often used collections, containing big amounts of data. Could you please suggest me some solution? Thanks.

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• Python 3-compatibe HTML to text converter preserving basic structure under permissive licence?

  - by hawk64

  I am looking for a relatively simple HTML to text converter which displays links and works on strings. So far I have tried lynx but performance is too bad, html2text which gives weird and verbose markdown output and is under GPLv3 which is too restrictive for my (BSD-licensed) project, http://effbot.org/librarybook/formatter-example-3.py using htmllib.HTMLParser with formatter.AbstractFormatter and a custom writer, however htmllib.HTMLParser is drpeceated and has been removed from Python 3. So is there any simple, performant, Python 3-compatible HTML to text converter under a permissive license such as MIT/BSD/Apache and the like? Edit: I dont just need something to strip HTML-Tags but also to preserve the basic structure of the HTML, that is output that somewhat resembles that of Lynx.

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• Send 404 when requesting index.php through .htaccess?

  - by Daniel

  I've recently refactored an existing CodeIgniter application to use url segments instead of query strings, and I'm using a rewriterule in htaccess to rewrite stuff to index.php: RewriteRule ^(.*)$ /index.php/$1 [L] My problem right now is that a lot of this website's pages are indexed by google with a link to index.php. Since I made the change to use url segments instead, I don't care about these google results anymore and I want to send a 404 (no need to use 301 Move permanently, there have been enough changes, it'll just have to recrawl everything). To get to the point: How do I redirect requests to /index.php?whatever to a 404 page? I was thinking of rewriting to a non-existent file that would cause apache to send a 404. Would this be an acceptable solution? How would the rewriterule for that look like? edit: Currently, existing google results will just cause the following error: An Error Was Encountered The URI you submitted has disallowed characters.

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• Behavior of nested finally in Exceptions

  - by kuriouscoder

  Hello: Today at work, I had to review a code snippet that looks similar to this mock example. package test; import java.io.IOException; import org.apache.log4j.Logger; public class ExceptionTester { public static Logger logger = Logger.getLogger(ExceptionTester.class); public void test() throws IOException { new IOException(); } public static void main(String[] args) { ExceptionTester comparator = new ExceptionTester(); try { try { comparator.test(); } finally { System.out.println("Finally 1"); } } catch(IOException ex) { logger.error("Exception happened" ex); // also close opened resources } System.out.println("Exiting out of the program"); } } It's printing the following output.I expected an compile error since the inner try did not have a catch block. Finally 1 Exiting out of the program I do not understand why IOException is caught by the outer catch block. I would appreciate if anyone can explain this, especially by citing stack unwinding process

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• Connecting to Sharepoint using HttpClient

  - by Aravindan R

  I am trying to connect to a Sharepoint 2007 using HttpClient 4. The Authentication scheme is NTLM and i wrote an implementation based on this (http://hc.apache.org/httpcomponents-client-ga/ntlm.html). When i try to connect supplying NTCredentials (username,password,host & domain), i get a 500 error saying "The requested function is not supported". I am trying to understand this error. Does anyone know what this error is? and Why is this occuring? Thanks

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• Encoding problem in Java Server Side application.

  - by NikolayGS

  Hi! I have following problem - i`m running Java WS application. The server side (Axis2 WS Modules on Apache Tomcat) is running at Ubuntu server. The problem is when i get some information from client side in cyrilic and store in database it goes like "?????". If i add data in db directly(From Remote MYSQL Console - there is NO problem). Before move to ubuntu server side was at Windows XP and there was no problem? Sorry for bad explanation, but i have no idea where to start! Thanks in advance!

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