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• Why is this global variable not being changed???

  - by user398314

  Why does this turn up null instead of being set to the data returned from the ajax call? It must be something simple i am overlooking. var message; $(document).ready(function(){ fbFetchMessage(); alert(message); }); function fbFetchMessage(){ var url = "http://graph.facebook.com/companyname/feed?callback=?"; $.getJSON(url,function(json){ message = json.data[0].message; }); }

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• Optimize Apache performance

  - by Phliplip

  I'm looking for ways to optimize our current web server hosted in-house. I'm trying to supply as much relevant information below. Please let me know if you would require additional information in order to assist. Server is running 1 single website, which is an online pizza ordering platform built on Zend Framework (ver1). On traffic stats from the last month aprox 6.000 pageloads per day, concentrated mainly around dinnertime. Around 1500 loads/hour peaks in that period. We recently upgraded from a 2/2mbit aDSL-line to 100/100mbit fiber, and we still have performance issues at dinner time. We assumed the 2mbit was the issue. Website is pretty snappy in low-load periods. Hardware CPU: Intel(R) Xeon(R) CPU 5160 @ 3.00GHz (3000.13-MHz K8-class CPU) Mem: 328M Active, 4427M Inact, 891M Wired, 244M Cache, 623M Buf, 33M Free Swap: 16G Total, 468K Used, 16G Free (6GB physical, 16GB swap) Filesystem Type Size Used Avail Capacity Mounted on /dev/ad7s1a ufs 4.8G 768M 3.7G 17% / devfs devfs 1.0K 1.0K 0B 100% /dev /dev/ad7s1g ufs 176G 5.2G 157G 3% /home /dev/ad7s1e ufs 4.8G 2.8M 4.5G 0% /tmp /dev/ad7s1f ufs 19G 3.5G 14G 19% /usr /dev/ad7s1d ufs 4.8G 550M 3.9G 12% /var Server OS FreeBSD 8.2-RELEASE Software apache-2.2.17 php5-5.3.8 mysql-server-5.5 Apache footprint (example, taken from # top) 31140 www 1 45 0 377M 41588K lockf 2 0:00 0.00% httpd 31122 www 1 44 0 375M 35416K lockf 2 0:00 0.00% httpd 31109 www 1 44 0 375M 38188K lockf 2 0:00 0.00% httpd 31113 www 1 44 0 375M 35188K lockf 2 0:00 0.00% httpd Apache is using the prefork MPM, APC (Alternative PHP Cache). SSL module is loaded, but not utilized (as in don't really work, thus not used). There is a file containing settings for MPM modules, but as i see it's not included in the httpd.conf file, the include line is commented out. Thus i would guess that the prefork MPM is working of default values too. Here are some other Apache conf values that i found - which are included in https.conf Timeout 300 KeepAlive On MaxKeepAliveRequests 100 KeepAliveTimeout 5 UseCanonicalName Off HostnameLookups Off

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• Java: How to get Unicode name of a character (or its type category)?

  - by java.is.for.desktop

  Hello, everyone! The Character class in Java defines methods which check a given char argument for equality with certain Unicode chars or for belonging to some type category. These chars and type categories are named. As stated in given javadoc, examples for named chars are HORIZONTAL TABULATION, FORM FEED, ...; example for named type categories are SPACE_SEPARATOR, PARAGRAPH_SEPARATOR, ... However, being byte or int values instead of enums, the name of these types are "hidden" at runtime. So, is there a possibility to get characters' and/or type categories' names at runtime?

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• How to get REALLY fast python over a simple loop

  - by totallymike

  I'm working on a spoj problem, INTEST. The goal is to specify the number of test cases (n) and a divisor (k), then feed your program n numbers. The program will accept each number on a newline of stdin and after receiving the nth number, will tell you how many were divisible by k. The only challenge in this problem is getting your code to be FAST because it k can be anything up to 10^7 and the test cases can be as high as 10^9. I'm trying to write it in python and having trouble speeding it up. Any ideas? import sys first_in = raw_input() thing = first_in.split() n = int(thing[0]) k = int(thing[1]) total = 0 i = 0 for line in sys.stdin: t = int(line) if t % k == 0: total += 1 print total

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• iPad --- managedObject problem when [self.tableViewSection reloadData]

  - by user345777

  Hi , I am creating a news aggregator application that fetches a xml feed every 4 minutes. After the xml is loaded, I clear everything by deleting all the objects in the database, then save the new objects back into the database. I then call [self.tableViewSection reloadData]; to reload the tableView. Thats when I get a problem. As soon as the code gets to a section where i access the new [[managedObject valueForKey:@"event_text"] description] content it fails with a : * Terminating app due to uncaught exception 'NSObjectInaccessibleException', reason: 'CoreData could not fulfill a fault for '0x4b3f6a0 '' Now from the flow I described on top, it seems odd to me that the tableView is populated properly the next time i launch the application, with the "new" data I fetched in the previous session. So its not that data thats corrupt , but seems to me something goes wrong when I refetch the managedObject after saving new data. Also keep in mind thats this app runs fine on the iPhone, its the iPad thats is giving me this problem.

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• Two Column Theme, Help, to make both columns seperately Scrollable.

  - by Michael macDonald

  Hey, I am not sure what to do on this one, I'm not a programmer, but trying to learn CSS as this is how the theme I am using was coded in. I've gotten quite far on my own, but this one stumps me Its two column Theme... As far as I have been able to get, I can use the following: #left { width: 235px; padding: 10px; margin-left: 20px; position: fixed; line-height: 15px; If I change the position to Absolute, The whole page scrolls, If I leave it at Fixed, and add lets say, a Twitter feed, or other type of text that takes me past its reading where you would normally scroll, Its just cut off, cannot get to it, hightlight or scroll.. I've also toyed with the idea, of changing the theme to a 3 column theme, but Again, not a programmer, and i'd be really confused. anyhelp would be great... My Website is at 99lessoxygen.tumblr.com, code was found from http://nigredotheme.tumblr.com

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• How do I parse this JSON with jQuery?

  - by Mike

  So I had this structure in xml and I was able to parse it successfully. Now what I have done is that I converted this xml into a JSON using www.xmltojson.org but I am not able to parse it . I am setting these files locally on we localhost web server: <script> $(function() { $.ajax({ url:'feed.json', dataType:'json', type:'GET', success:function(json) { /// what to do here }. error: { alert("Parse Failed"); } }); }); </script> I am trying to learn JSON, so I am little unsure as to where I am doing wrong, or even if that is the correct approah. Thanks Mikey.

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• Nice RSSFeed Control

  - by Kovu

  Hi, I develope an application in C#.Net 2.0, Windows. The App has a RSS Feed Reader for specific sites (to collect the biggest news). I found a very nice DLL for this in which I can very easy read the RSS. But my problem is the design, I tried a lot, how to display easy, quick and nice, but it sucks like hell, I tried nerly every control in the toolbox and fill it with the RSS Feeds and it looks ugly. So knows anybody a control to display RSS feeds nicly? I know its an copy, but no one answers there.

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• Passing GPS speed via the Eclipse Emulator Control

  - by Nick

  Hi, my app queries the GPS-speed using .getSpeed() on a LocationListener. Is there a way to set this speed using the Eclipse Emulator Control or the command line? I tried to feed multiple sets of coordinates to the emulator via the manual GPS-control, but it didn't pick up a speed from that. Also, using a pre-defined GPX-file and playing it doesn't work for me. I would like to test my app without having to take it on a test-drive in my car every time ;)! Thanks!

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• building an XML service parsing library

  - by DanInDC

  This is more of a design question I suppose. My company offers a web service to our client that spits data out in a custom xml format. I'd like to build a java library we can offer so our customers can just feed it the url and we will turn it into a set of POJOs built from the response. I can obviously just create a library that will do some simple xml parsing and building of the POJOs but I'm looking to build something a bit more robust. My brain is pulling me in a million directions, wondering if anyone has some pointers or some code to poke at. Was thinking about adding an Abdera extension, but it's not really a syndication format that fits the Abdera model. And most of the popular service libraries (twitter, facebook) all rely on standards format parsers, of which our format isn't.

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• Retrieve a cross domain RSS(xml) through Javascript

  - by Ajay

  I have seen server side proxy workarounds for retrieving rss (xmls) from cross-domains. In fact this very question addressess my same problem but gives out a different solution. I have a constraint of do not use a proxy to retrieve rss feeds. And hence the Google AJAX Feed API solution also goes out of picture. Is there a client-only workaround for this problem. JSONP is the solution for requests that respond with JSON output. But here, I have RSS feeds which can respond with pure xml . How do I solve the problem.

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• Passing report values to a query

  - by Beavis

  I'm a novice with Microsoft Access as my background is mostly .NET. I'm sure what I'm trying to accomplish is dead simple but I need some direction. I have a report and a query. The query returns a single numeric value based on a single numeric criteria. Select total from table where id = [topic] I have placed a text box on my report so I can feed the id to this query and in return get the total. It seems like DLookUp is what I want but no matter how I construct it, I get an "#Error" in the text box when I run the report. Currently my DLookUp looks like this (I just hard-coded now for simplicity): =DLookUp("[total]","myquery","[topic] = 3") How can I pass a value from a field on my report to a query so I can return the query's single numeric value? Thanks.

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• How to post on Facebook with Android using the latest SDK

  - by user645402

  All the samples I have seen so far seem to be using an earlier version of the SDK and the parameters and calls don't match. Using the latest SDK, I'm trying this: String access_token = facebook.getAccessToken(); Bundle bundle = new Bundle(); bundle.putString("access_token", access_token); bundle.putString("app_id", FACEBOOK_APP_ID); bundle.putString("message", "My First Post"); bundle.putString("description", "My First Description"); asyncrunner.request("me/feed", bundle, new RequestListener() { And i get back a call to onComplete() with response = "{"data":[]}. And nothing ever gets posted to my wall on FB. Perhaps I'm not waiting long enough? How long should I need to wait before it shows up?

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• antlr: Best practice to integrate generated parser into the system

  - by green

  Here is the background, I am trying to create a DSL to allow customer write simple scripts to query into our mongodb based database. I choose antlr to implement the DSL. From my understanding (and pls let me know if it's not correct) there are 2 approaches to integrate antlr generated parser into the system: Embed code into the grammar file so that the generated parser could be used directly to make query to the database and return result in a certain format (e.g. json encoded) Keep the parser purely a parser, after feed the DSL file to it, and construct the query in another class by retrieving the AST from generated parser class So antlrers, which one do you think is the way I as an antlr newbie should go? Can you list the pros and cos of each approach, or you have other way to recommend?

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• XML to XHTML - Best Method?

  - by Ian

  Not wishing to be subjective but I have a need to get data from an XML source and convert it to (X)HTML. From my understanding I can do this with PHP (or other server-side scripts), Javascript, or XSLT. My feeling is that it would be more appropriate to use XSLT as it is dealing with an XML source and this is the purpose for which XSLT exists. I also see it having the advantage that it will still work if the user doesn't have Javascript enabled and wont be restricted to a server which runs PHP (or other server-side script). Am I right in my assumptions? Also could the same be same for an RSS feed? Thanks

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• Working with Japanese filenames in PHP 5.3 and Windows Vista?

  - by Jon

  I'm currently trying to write a simple script that looks in a folder, and returns a list of all the file names in an RSS feed. However I've hit a major wall... Whenever I try to read filenames with Japanese characters in them, it shows them as ?'s. I've tried the solutions mentioned here: http://stackoverflow.com/questions/482342/php-readdir-problem-with-japanese-language-file-name - however they do not work for some reason, even with: header('Content-Type: text/html; charset=UTF-8'); setlocale(LC_ALL, 'en_US.UTF8'); mb_internal_encoding("UTF-8"); At the top (Exporting as plain text until I can sort this out). What can I do? I need this to work and I don't have much time.

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• Google Document export via API

  - by micco

  After using Zend_GData to retrieve a document list feed, I can use the content URLs in the form: http://docs.google.com/document/edit?id=<docid>&hl=en but the source URLs in the form http://docs.google.com/feeds/download/documents/Export?docId=<docid>&exportFormat=html are returning 404 errors. That URL should return the content of the document in the requested format but it is returning 404. This problem is mentioned without resolution on a Google API forum. As indicated in that forum post, this problem only seems to affect new documents. My code works perfectly retrieving old documents, but new ones are 404. Has something changed in the way Google references new documents or in the way permissions are assigned? The code I'm using is essentially the same as the code on this page but this does not seem to be an issue specific to PHP/Zend_Gdata.

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• C# Console Application - Odd behaviour - char '\a'

  - by KHT

  After extensive debugging of an application, I noticed the console window would hang when searching text for the char '\a'. The goal is to strip out characters from a file. The console window would always hang upon exiting the program, and it would make it to the last statement of main. I removed the '\a' from the switch statement and the console application does not hang anymore. Any idea why? I still need to strip out the char '\a', but cannot get the application to work without hanging. switch (c) { case '\t': //Horizontal Tab case '\v': //Vertical Tab case '\n': //Newline case '\f': //Form feed case '\r': //carriage return case '\b': //Backspace case '\x7f': //delete character case '\x99': //TM Trademark case '\a': //Bell Alert **REMOVED THIS** return true; }

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• Wordpress meta data is written on top of page instead of the loop

  - by Fruxelot

  i'm building a wordpress webpage based on the Skeleton Wordpress theme. I have 2 posts showing on a page and each of these posts have custom fields values (meta data). Im using the shortcode from the skeleton theme to get a post-feed from a specific category and in that loop i have inserted this tag that displays the custom fields data <?php the_meta(); ?> I am getting the data - but the problem is, the data is shown on TOP of the page instead of inside the in the post. What could've ive possibly done wrong? or is it something with skeleton i am doing wrong? Webpage : http://visbyfangelse.se.preview.binero.se/rum-priser-preview/ as you can see two posts are shown - and the meta data is shown on the top of the page. Code to the loop : http://pastebin.com/mRQY5GNz As you can see i want the meta displayed in the div which i assigned this class to "my_room_meta".

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• PHP & RSS Feeds & Special Characters validation Problem.

  - by BUGY

  I keep getting the following validation warning below. And I was wondering that some of my articles deal with special characters and was wondering how should I go about rendering or not rendering special characters in my RSS feeds? Should I use htmlentites or not? If so how? In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations. line 22, column 35: title should not contain HTML: &amp; PHP code. <title>' . htmlentities(strip_tags($title), ENT_QUOTES, "UTF-8") . '</title>

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• Find node level in a tree

  - by Álvaro G. Vicario

  I have a tree (nested categories) stored as follows: CREATE TABLE `category` ( `category_id` int(10) unsigned NOT NULL AUTO_INCREMENT, `category_name` varchar(100) NOT NULL, `parent_id` int(10) unsigned DEFAULT NULL, PRIMARY KEY (`category_id`), UNIQUE KEY `category_name_UNIQUE` (`category_name`,`parent_id`), KEY `fk_category_category1` (`parent_id`,`category_id`), CONSTRAINT `fk_category_category1` FOREIGN KEY (`parent_id`) REFERENCES `category` (`category_id`) ON DELETE SET NULL ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_spanish_ci I need to feed my client-side language (PHP) with node information (child+parent) so it can build the tree in memory. I can tweak my PHP code but I think the operation would be way simpler if I could just retrieve the rows in such an order that all parents come before their children. I could do that if I knew the level for each node: SELECT category_id, category_name, parent_id FROM category ORDER BY level -- No `level` column so far :( Can you think of a way (view, stored routine or whatever...) to calculate the node level? I guess it's okay if it's not real-time and I need to recalculate it on node modification.

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• wordpress plugin for certain tweets

  - by darreee

  Hello I would need to get tweets from my twitter account on my wordpress site. Okey, the basics i could do, but there is one special need. I would need to get only certain tweets. Tweets that have some #hashstag for example only tweets with hashtag #myss would show up on my wordpress site. Is there ready made plugin for this? I have been googlein for hours but have found only basic/normal twitter plugins. Also i would need to able style the feed to look same as my current site. Cheers!

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• Redirect Subdomain

  - by user2237615

  I am trying to redirect an old website that was on Godaddy's website builder and Quick Blogcast to a new site on Wordpress. I have no problems redirecting from the old page structure to the new one. For example: For example: http://sapientservicesllc.com/About_Us.html redirected to http://sapientservicesllc.com/about-us/ I used: 301 redirect /About_Us.html http://sapientservicesllc.com/about-us/ In the htaccess file. My problem is that I need to redirect all of the blog posts that were on a subdomain to the new wordpress site. For example: http://blog.sapientservicesllc.com/2011/10/14/risk-mitigation.aspx redirects to http://sapientservicesllc.com/risk-mitigation/ http://blog.sapientservicesllc.com/2012/10/04/could-cold-air-channeling-help-your-data-center.aspx redirects to http://sapientservicesllc.com/cold-air-channeling-help-data-center/ This: http://blog.sapientservicesllc.com/atom.aspx redirects to http://sapientservicesllc.com/?feed=atom This: http://blog.sapientservicesllc.com/2012/11.aspx redirects to http://sapientservicesllc.com/2012/11/ How can I set up the redirect to go to the new site? I have set the subdomain to forward to the actual domain in the Godaddy settings (blog.sapientservicesllc.com forwards to sapientservicesllc.com.

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• Get the top nth values from a rectangular array

  - by user355925

  I am reading a txt file for strings that represent integers. The file is space delimited. I have created an array[10,2]. Everytime the strings 1~10 is found in the file I increment array[n,0] by 1. I also feed array[n,1] with numbers 1~10. i.e. txt file contents: 1/1/1 10/1/2001 1 1 10 2 2 3 1 5 10 word word 3 3 etc.. streamreader reads 1/1/1 and determines that is is not 1~10 streamreader reads 10/1/2001 and determines that it is not 1~10 streamreader reads 1 and ++array[0,0] streamreader reads 1 and ++array[0,0] streamreader reads 10 and ++array[9,0] etc.. The result will be: '1' was found 3 times '2' was found 2 times '3' was found 3 times '5' was found 1 time '10' was found 2 times My problem is that I need this array placed in order(sorted) by value of column 0 so that it would be: 1 3 2 10 5

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• Read a file to multiple array byte[]

  - by hankol

  I have an encryption algorithm (AES) that accepts file converted to array byte and encrypt it. Since I am going to process a very big size files, the JVM may go out of memory. I am planing to read the files in multiple array byte. each containing some part of the file. Then I teratively feed the algorithm. Finally merge them to produce encrypted file. So my question is: there any way to read a file part by part to multiple array byte? I thought I can use the following to read the file to array byte: IOUtils.toByteArray(InputStream input). And then split the array into multiple bytes using: Arrays.copyOfRange(). But I am afraid that the first code that reads file to byte will make the JVM to go out of memory. any suggestion please ? thanks

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