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• php's strip_tags() won't work

  - by Maxime ARNSTAMM

  Hello everyone I'm trying to tweak a tiny bit a wordpress, but i am level 0 in php, so i kinda suck :/ I want to add a custom 'tweet this' button (i know there already is a gazillion of them, i just wanted to do it on my own, for fun) So, i'm trying this : <a href="http://twitter.com/home?status=<?php strip_tags(the_excerpt()) ?>" >tweet this</a> the_excerpt() returns "<p> ... excerpt ... </p>" and the strip_tags function does not strip those <p> tags ! What do i do wrong ? Thanks, and sorry if it is obvious.

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• Best practices for parsing HTML from Wikipedia for iPhone viewing?

  - by ivanTheTerrible

  I am building an iPhone Wikipeida game app, that requires modifying the default Wiki HTML a little bit (mostly simplifying the page). So far I am directly downloading the HTML output from en.wikipedia.org/wiki/Article_Foo to a python Google App Engine, and then modify its CSS and HTML structure, cache it, and finally output to iPhone. It works but I find this method quite tedious, there must be a better method? Please note that I use App Engine not just for parsing the Wiki, but the game also requires it to keep the stores...etc, hence not a overkill. Also, I would prefer doing all the work with python on App Engine, to keep the iPhone client as thin and mobile as possible (XML on iPhone is a big no fun) Thanks a lot.

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• Libxml2: undefined reference to xmlTextReaderConstName

  - by Dmitry

  I have installed the latest libxml2-2.8.0, as usual: $ ./configure, $ make, $ make install. The $ xml2-config --cflags --libs gives this output: -I/usr/local/include/libxml2 -L/usr/local/lib -lxml2 -lm But trying to compile any example... $ gcc `xml2-config --cflags --libs` xmltest.c The linker says: /tmp/cc8ezrPl.o: In function `processNode': xmltest.c:(.text+0x19): undefined reference to `xmlTextReaderConstName' xmltest.c:(.text+0x38): undefined reference to `xmlTextReaderConstValue' ...etc. Anything I've googled can be solved by xml2-config --cflags --libs flags, or upgrading to the latest version of libxml2, or something. Unfortunately, neither works for me. What can be the steps to identify the problem? Using Ubuntu 12.04 64-bit.

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• how to split this label to get the specific value(free gold)

  - by Wolf

  Hello all i am having a fun filled irritating little problem which i am sure can be resolved in less than 5 seconds with the enlightened and combined minds of stack overflow users ok first off it seems i am having trouble communicating what my trouble is with the gentlemen and ladies who are trying to help me in earlier posts so i am going to make it very simple i need to get 337 and 229 out of this son of satan string that is constantly updating every 2 seconds now i dont know how to go about doing this i know i should probably use split but i dont know how to do it on this because i have very little experience with it Last login: Thu Jun 5 08:20:35 2014 from .** /*/*-..****.**///*-****.**.*/****/*/***status Virtual server [...] is UP. *: 337 bananas left ****(s)******: 229 bananas eaten(s) ** *. [* ] – i am tired and would like to finish this before i am gray or sentanced to prison for raving naked down my street please help and thanks in advance p.s dont really care if this gets down voted a bit tired and more than a little angry so enjoy

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• Tutorials for an experienced C# user to learn C++

  - by Tim R.

  Are there any good resources for learning C++ that a C# user could use, which don't require knowledge of C? I have quite a good knowledge of C# via courses in my University's game development program (in a 300 level course right now) but now I need to use C++ for a project. I would use a beginner tutorial but they are so hard for me to follow and learn the basic syntax because they start so slowly. I found a few of tutorials for switching from C++ to C#, but none in the other direction. I do have a little bit of Objective C practice from iPhone programming as well.

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• How to make a section header with an non-rectangular shape without ugly underflow?

  - by mystify

  I made an custom UITableView. Then I made a custom header for sections. It has round corners. But unfortunately, the rows of the section are visible in those round corners when the header floats over them. I could just make a background color so the corners are not transparent. But that is not a solution since my whole table has a background image and the section header can move. Is there any way to get the clipping region for the rows a little bit more downwards? I mean: They should not appear under that section header.

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• What to do when using Contract.Assert(true) and the method must return something?

  - by devoured elysium

  I have a bit of code with the following logic: //pseudo-code foreach (element in elementList) { if (element is whatever) return element; } } In theory, there is always one element that is whatever, so this method should pose no problems. In any case, I've put an assertion on the end of the method just to be sure: //pseudo-code foreach (element in elementList) { if (element is whatever) return element; } } Contract.Assert(true, "Invalid state!"); The problem is that as this method has to return something, and the compiler doesn't understand that the assertion will break the program execution. Before using Contracts, in these kind of situations, I used to throw an Exception, which solved the problem. How would you handle this with Contract.Assert()? Returning null or default(element_type) after the Contract.Assert() call knowing it will never be called and shutting up the compiler? Or is there any other more elegant way of doing this? Thanks

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• SVN: How can I update an existing repository from an exported copy ?

  - by user206705

  Late one afternoon, I did an export of my project repository, and took home my work on my USB key. I've added many changes to the exported project, and now, having returned to the workplace, I want to update the repository with the project that I've now got. To complicate matters, I've made updates to the project in both the main trunk and a branch - and I'd like to update the repository to reflect all those changes. I'm new to SVN and have been relying on tortoise SVN, but I'm a bit lost now. Would I be best to delete the repository and recreate it from the copies/branches I now have? thanks

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• How to inplement a nightly process in .NET?

  - by Abe Miessler

  I have a set of tasks that I would like to execute every night. These tasks include querying a database, moving and renaming some images and lastly updating a database table. My first thought had been to create a SQL Server job and use xp_cmdshell to move the files but after a bit of research i decided against it. My question now is what is the best way to implement this as a .NET application? Should I create a Windows service? A console application that is scheduled to run once per night? Some other cool way that I don't even know about?

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• Adding behaviour to a set of classes

  - by devoured elysium

  I have defined an Event class: Event and all the following classes inherit from Event: SportEventType1 SportEventType2 SportEventType3 SportEventType4 Right now I will only have SportEvents but I don't know if in the future I'll want some other kind of events that doesn't even have anything to do with Sports. Later, I will want to draw some graphics with info taken from Events, and the drawing logic can be a bit complex. But, for the moment, I think I shouldn't think of how the drawing will be done and I believe that maybe it'd be better if that drawing part was not put as an integral part of the Event/SportEventX class chain. I am looking for solutions for this problem. I know I could just make Event have an instance variable(attribute, for the java crowds) pointing to something as an IDrawInterface, but that would make the Event class "assume" it will be later used for drawing. I would like to make the Event class oblivious to this if possible. Thanks!

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• Design patter for extending Android's activities?

  - by Carl

  While programming on Android, I end up writing a parent activity which is extended by several others. A bit like ListActivity. My parent activity extends Activity. if I intend to use a Map or a List, I can't use my parent activity as superclass - the child activity can only extend one activity obviously. As such I end up writing my parent activities with the same logic for Activity, ListActivity, MapActivity and so forth. What am I looking for is some sort of trait functionality/design pattern which would help in this case. Any suggestions?

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• Why does Perl lose foreign characters on Windows input - can this be fixed (if so, how) or is Perl an outdated dinosaur that just can't handle this?

  - by Alex R

  Note below how ã changes to a This is causing me a huge problem as foreign characters show up in URLs, e.g. http://pt.wikipedia.org/wiki/Cão The OS is Windows 7, 64-bit. The Perl is: This is perl 5, version 12, subversion 2 (v5.12.2) built for MSWin32-x64-multi-thread (with 8 registered patches, see perl -V for more detail) Copyright 1987-2010, Larry Wall Binary build 1202 [293621] provided by ActiveState http://www.ActiveState.com Built Sep 6 2010 22:53:42 Additional update: To get around my particular problem, I tried using File::Find instead of piped input. The issue actually gets worse:

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• Capture IP packets on Dialup connection - Windows 7

  - by Assaf Levy

  Our product utilizes (the wonderful) Winpcap to capture ip packets from all devices with an IP address and analyze them in real time. Unfortunately, we discovered that it does NOT capture any packets on dialup (e.g. PPP) connections on Windows 7, and that there are no near-term plans for enabling this (1). So we need something else. Microsoft Network Monitor and Windows Packet Filter are two options that surfaced during a bit of googling, but before delving into research I wanted to ask the experienced: what are out options, given the following requirements: Capture all in/outbound IP packets on the machine. Complete background processing - no UI should be involved. Support Windows Vista / 7. Performance (user should not feel the difference). Thanks in advance.

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• Please help me understand this PHP script.Noob here

  - by NissGTR

  I'm learning PHP,MySQL and came across this function today function get_director($director_id) { global $db; $query = 'SELECT people_fullname FROM people WHERE people_id = ' . $director_id; $result = mysql_query($query, $db) or die(mysql_error($db)); $row = mysql_fetch_assoc($result); extract($row); return $people_fullname; } I understand what functions are and I've created a few while learning PHP.But this one is a bit more complicated.I can't understand the WHERE people_id = ' . $director_id I'm new to MySQL.I guess the single quote ends the MySQL statement?And then it is concatenated with the argument? Please help me out.

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• Strange Array#each Ruby behaviour

  - by with a dot.

  The question is a bit vague, but I am not really sure why this happens: I have the following code: p user.room.users.length user.room.users.each {|usr| puts "b" } user.room.users.each {|usr| puts "a"; usr.enter(Room[Config::entrance]) } which outputs: 5 b b b b b a a a I also made User#enter count how many times it's been called and it returns 3! I am completely baffled by this behaviour. I doubt the code within User#enter is the cause, but if someone thinks it might be relevant I can provide it (I don't want to clutter the question unnecessarily). Edit If it's relevant I am using ruby-1.9.3-p125

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• Oh no, Not another Undefined Reference Question!

  - by roony

  Unfortunately yes. I have my shared library compiled, the linker doesn't complain about not finding it but still I get undefined reference error. Thinking that I might be doing something wrong I did a little research and found this nice, simple walkthrough: http://www.adp-gmbh.ch/cpp/gcc/create_lib.html which I've followed to the letter but still I get: $ gcc -Wall main.c -o dynamically_linked -L.\ -lmean /tmp/ccZjkkkl.o: In function `main': main.c:(.text+0x42): undefined reference to `mean' collect2: ld returned 1 exit status This is pretty simple stuff so what's going wrong?!?!? Can anyone suggest something in my set up that might need checking/tweeking? GCC 4.3.2 Fedora 10 64-bit

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• Change web service url for a suds client on runtime (keeping the wsdl)

  - by patanpatan

  Hi. First of all, my question is similar to this one But it's a little bit different. What we have is a series of environments, with the same set of services. For some environments (the local ones) we can get access to the wsdl, and thus generating the suds client. For external environment, we cannot access the wsdl. But being the same, I was hoping I can change just the URL without regenerating the client. I've tried cloning the client, but it doesn't work.

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• codeigniter problem with mod_rewrite on apache 1.3

  - by Shawn

  Anybody came into this before? Hosting a site on godaddy, the site is developed in codeigniter framework(php), to get pretty url, put this into .htacess RewriteEngine on RewriteCond $1 !^(index\.php|images|robots\.txt) RewriteRule ^(.*)$ /index.php/$1 [L] problem is only domain.com/index.php seems to work, other urls e.g domain.com/user/login won't work, codeigniter always returns '404 page'. Is there anything going on with godaddy's mod_rewrite or just their apache which as I know is version 1.3. Any clue? [update] a bit CI debug, found /system/libraries/Router.php line 239, line show_404( $segments[0] ); always gets invoded. $segments [ 0='index.php' ], that seems to be the problem, but why? All works on my dev box which is in apache2

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• Drupal, Views.. how to display views list + complete node, interactively ?

  - by Patrick

  hi, I'm using Views in Drupal to show node teasers. I would like now to show the complete node on the left side of my page, nearby the Views, and update it when the user click on a different teaser (better using AJAX). what's the best method to implement it. I was considering to use a lightbox, but it a bit complex (a lot of complications... such as parsing the content with javascript again.. etc). See screenshot: http://dl.dropbox.com/u/72686/viewsAndNode.png Thanks

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• jQuery - Outputting jquery results to a hidden form field

  - by Cecil

  Hey All, I was wondering how i could output the results from my jQuery to a hidden form field so i can then shove it into the database. Im using the Calendar function found here - http://www.kelvinluck.com/assets/jquery/datePicker/v2/demo/index.html Apparently the following code gets the array, but im not sure how to forward it to the hidden field. $('.date-picker').dpGetSelected() From what i can tell i want the dpGetSelected to run with when the following is triggered dpClosed Its all a bit confusing to me. Any help would be great. Cheers,

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• only return random number when it is unique

  - by phil

  My brain is melting today and i cannot think how to do this simple bit of code. numberList is a string of numbers seperated by commas like '2, 34, 10' etc.. when i request a random number i need to check if the string has the number, if it does i want to keep requesting a random number until the random number is definitely not in the string. i cant think what kind of loop i would do to get this to work: Random r = new Random(); public int RandomPos(int max) { int i; do { i = r.Next(max) + 1; } while (!numberList.Contains(i.ToString())); return i; }

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• Unit testing task queues in AppEngine

  - by Swizec Teller

  For a very long time now I've been using task queues on AppEngine to schedule tasks, just the way I'm supposed to. But what I've always been wondering is how does one write tests for that? Until now I've simply made tests to make sure an error doesn't occur on the API that queues a task and then wrote the more proper tests for the API executing the task. However lately I've started feeling a bit unsatisfied by this and I'm searching for a way to actually test that the correct task has been added to the correct queue. Hopefully this can be done better than simply by deploying the code and hoping for the best. I'm using django-nonrel, if that has any bearing on the answer. To recap: How can a unit test be written to confirm tasks have been queued?

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• Eclipse RCP: How to troubleshoot plugin dependencies & classpath problems?

  - by paul

  I am working on an RCP project based on eclipse. It has been working fine but recently I thought I'd upgrade it to use a new eclipse version (3.2 - 3.5). After a bit of trouble, it seemed to be working fine. Then I did something. Don't know what. The end result is that I'm getting a classpath error when one of my plugins (A) tries to access a class in one of the dependent plugins (B) (also one of mine). As far as I can see, Plugin A has Plugin B in its' dependency list and the compiler shows no errors. To test, I created a new Plugin C with one class and accessed the class from Plugin A. That works fine. Does anyone have any hints for troubleshooting such issues? A checklist of settings to check? I've been stuggling with this for hours and getting nowhere! Particularly frustrating as it was working until I changed something! Thanks

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• Variable pre-fixes, Visual Studio 2010 onwards?

  - by thedixon

  I'm a bit bewildered on this subject, as I relate variable prefixes to being a thing of the past now, but with Visual Studio 2010 onwards (I'm currently using 2012), do people still do this and why? I only ask because, these days, you can hover over any variable and it'll tell you the variable type and scope. There's literally no requirement for pre-fixing being there for readability. By this I mean: string strHello int intHello etc. And I'm being language/tool biased here - as Visual Studio takes a lot of the legwork out for you in terms of seeing exactly what type the variable is, including after conversions in the code. This is not a "general programming" question.

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• How to get "printer ready bytes" from a source in c#?

  - by luis_villase

  Hey everyone! I'm in a bit of trouble here, hoping you can help a fellow programmer out. I have an application that receives a pointer to raw bytes (plus length and stuff) and sends said raw data to a printer. This is important, I have no choice but to use this method to get any printing done. If I send a raw string, it will print with no problem. However, I need to be able to print formatted text, images, etc. So the thing is... I would like to be able to get printer ready bytes from a given source (maybe a pdf, or html, does not matter as long as it contains formatted text and/or images). It would be like "splitting" the print command like so: a) Open file and read data b) Load printer data into memory c) Send bytes to printer Obviously, I've got a) and c) covered, it's b) the one that's breaking my head. Any thoughts? Thanks in advance for your help.

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