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• Horizontal "tab"ish scroll between views

  - by Steve Pomeroy

  I'm interested in creating a horizontal scroll view that "snaps" to the viewed item, so only one item is ever shown at a time. The user can touch-drag left/right and will see previous/next views, switching to it if there's enough velocity. This interaction is exactly like what the new weather/news widget that comes with the Nexus One does for navigating between its "tabs". Are there any existing view widgets that do this? Update: found a copy of the news/weather widget (GenieWidget) and they seem to have implemented their own widget to accomplish this which they call com.google.android.apps.genie.geniewidget.ui.FlingableLinearLayout which is part of their own custom com.google.android.apps.genie.geniewidget.ui.TabView. As that source isn't available, that's not looking too hopeful a direction.

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• Creating an XML sitemap with PHP

  - by iMaster

  I'm trying to create a sitemap that will automatically update. I've done something similiar with my RSS feed, but this sitemap refuses to work. You can view it live at http://designdeluge.com/sitemap.xml I think the main problem is that its not recognizing the PHP code. Here's the full source: <?php header('Content-type: text/xml'); ?> <?xml version="1.0" encoding="UTF-8" ?> <urlset xmlns="http://www.google.com/schemas/sitemap/0.84" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.google.com/schemas/sitemap/0.84 http://www.google.com/schemas/sitemap/0.84/sitemap.xsd"> <url> <loc>http://www.designdeluge.com/</loc> <lastmod>2010-04-29</lastmod> <changefreq>daily</changefreq> <priority>1.00</priority> </url> <url> <loc>http://www.designdeluge.com/archives</loc> <lastmod>2010-04-29</lastmod> <changefreq>daily</changefreq> <priority>0.5</priority> </url> <url> <loc>http://www.designdeluge.com/about.php</loc> <lastmod>2010-04-29</lastmod> <changefreq>daily</changefreq> <priority>0.5</priority> </url> <?php include 'connection.php'; $entries = mysql_query("SELECT * FROM Entries ORDER BY timestamp DESC"); while($row = mysql_fetch_array($entries)) { $title = stripslashes($row['title']); $date = date("Y-m-d", strtotime($row['timestamp'])); ?> <url> <loc>http://www.designdeluge.com/<?php echo $row['title']; ?></loc> <lastmod><?php echo $date; ?></lastmod> <changefreq>none</changefreq> <priority>0.5</priority> </url> <?php } ?> </urlset> The problem is that the dynamic URL's (e.g. the ones pulled from the DB) aren't being generated and the sitemap won't validate. Thanks!

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• How can I tell if ZFS (zfs-fuse) dedup/compression is applied to a particular file?

  - by asari

  I have a zfs formatted partition using zfs-fuse for linux (Ubuntu). I had used it for a while, and then enabled dedup and compression on it (zfs set compression=on/dedup=on). Now I think I have some files that are dedup'ed and compressed, and file that are not yet. It was OK, but sometimes I was confused. Let's see, following command would consume almost 4GB of my zfs storage: cp oldfile.4GB newfile.4GB .. and this would consume almost zero: cp newfile.4GB newfile.4GB.2 This is because the old file is not yet compressed, so dedup not happened, I think. My idea is -- if I can find old files that are not yet dedup/compressed, I can perform batch copy/rename/remove them to eliminate duplicity and redundancy. But how I can check that? I know I can re-copy whole contents of my storage should work (even better with checking the time stamp of each file), but I'd be happier if I have zfsstat-like tool that shows some file properties.

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• Round-Robin DNS in mobile networks

  - by k7k0

  After reading load distribution alternatives and giving my limited skills on the area I'm biased toward round-robin DNS strategy. From what I understood, one key aspect of DNS Round-Robin is setting a low TTL value, avoiding caching. My main concern is that all my traffic comes from mobile networks, almost 30% of that comes from t-mobile 3G. Some questions: 1) Is there a chance that almost all clients on the same mobile network will be redirected to the same IP in the TTL frame? That would kill the distribution technique. 2) If I choose a really low TTL (zero or one). That impacts directly over client performance? It does a DNS miss every time or it's a setting that only impacts on DNS servers? Any help would be much appreciated. Thanks

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• Join performance on MyISAM and InnoDB tables

  - by j0nes

  I am thinking about converting some tables from MyISAM to InnoDB in my mysql server. The tables will certainly benefit from the change because a lot of write requests come to these tables, while there are also quite a lot of read request at the same time. However, they are often joined together with some tables that almost don't get any writes. Is there a performance penalty when joining together MyISAM and InnoDB tables or should everything work fine? Second question: During backups at night, I am copying data from the InnoDB tables to MyISAM tables for archiving purposes. In these backups, a lot of write-requests happen, however there is almost no read from these archive tables. Would these tables also benefit from using InnoDB or is this just a waste of space and RAM?

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• Marking Changes to database...

  - by KoolKabin

  Hi guys... I am developing application to be run in central server and distributed computers. I am supposed to write application to backup the data from distributed machines and merge it in central server. I thought of compressing whole local database and sending it to server for merging. But as the database size grows the size of compress file also began to grow. So is there any way to merge data in central server without sending whole database. I need to do it on daily basis. Daily take backup and send to server

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• how should I order my divs?

  - by aslum

  Here's the basic layout of a page I'm working on: What would be the best/easiest way to order the divs? C may or may not be visible (it's a news alert that only displays when there is news). A = Header, B = Menu, E&F = standard content columns, D = latest blog post. I'm thinking ABCEFD might make the most sense, but I could also see ABCDEF. Either of those should be fairly easy to do right using floats... is there a better way? Maybe put CEF inside a "middle column" div?

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• replace string in preg_replace

  - by zahir hussain

  <?php $a="php.net s earch for in the all php.net sites this mirror only function list online documentation bug database Site News Archive All Changelogs just pear.php.net just pecl.php.net just talks.php.net general mailing list developer mailing list documentation mailing list What is PHP? PHP is a widely-used..."; ?> I want to highlight specific words. For example php, net and func: php.net s earch for in the all **php**.**net** sites this mirror only **func**tion list online documentation bug database Site News Archive All Changelogs just pear.**php**.**net** just pecl.**php**.**net** just talks.php.net general mailing list developer mailing list documentation mailing list What is **PHP**? **PHP** is a widely-used... Thanks advance.

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• More pythonic way to iterate

  - by fmark

  I am using a module that is part of a commercial software API. The good news is there is a python module - the bad news is that its pretty unpythonic. To iterate over rows, the follwoing syntax is used: cursor = gp.getcursor(table) row = cursor.Next() while row: #do something with row row = cursor.next() What is the most pythonic way to deal with this situation? I have considered creating a first class function/generator and wrapping calls to a for loop in it: def cursor_iterator(cursor): row = cursor.Next() while row: yield row row = cursor.next() [...] cursor = gp.getcursor(table) for row in cursor_iterator(cursor): # do something with row This is an improvement, but feels a little clumsy. Is there a more pythonic approach? Should I create a wrapper class around the table type?

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• [Python] Detect destination of shortened, or "tiny" url

  - by conradlee

  I have just scraped a bunch of Google Buzz data, and I want to know which Buzz posts reference the same news articles. The problem is that many of the links in these posts have been modified by URL shorteners, so it could be the case that many distinct shortened URLs actually all point to the same news article. Given that I have millions of posts, what is the most efficient way (preferably in python) for me to detect whether a url is a shortened URL (from any of the many URL shortening services, or at least the largest) Find the "destination" of the shortened url, i.e., the long, original version of the shortened URL. Does anyone know if the URL shorteners impose strict request rate limits? If I keep this down to 100/second (all coming form the same IP address), do you think I'll run into trouble?

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• How split a column in two colunms in pandas

  - by user1345283

  I have el next dataframe data=read_csv('enero.csv') data Fecha DirViento MagViento 0 2011/07/01 00:00 318 6.6 1 2011/07/01 00:15 342 5.5 2 2011/07/01 00:30 329 6.6 3 2011/07/01 00:45 279 7.5 4 2011/07/01 01:00 318 6.0 5 2011/07/01 01:15 329 7.1 6 2011/07/01 01:30 300 4.7 7 2011/07/01 01:45 291 3.1 How to split the column Fecha in two columns,for example, get a dataframe as follows: Fecha Hora DirViento MagViento 0 2011/07/01 00:00 318 6.6 1 2011/07/01 00:15 342 5.5 2 2011/07/01 00:30 329 6.6 3 2011/07/01 00:45 279 7.5 4 2011/07/01 01:00 318 6.0 5 2011/07/01 01:15 329 7.1 6 2011/07/01 01:30 300 4.7 7 2011/07/01 01:45 291 3.1 I am using pandas for to read data I try to calculate daily averages from a monthly database has daily data recorded every 15 minutes. To do this, use pandas and grouped the columns: Date and Time for get a dataframe as follow: Fecha Hora 2011/07/01 00:00 -4.4 00:15 -1.7 00:30 -3.4 2011/07/02 00:00 -4.5 00:15 -4.2 00:30 -7.6 2011/07/03 00:00 -6.3 00:15 -13.7 00:30 -0.3 with this look, I get the following grouped.mean() Fecha DirRes 2011/07/01 -3 2011/07/02 -5 2011/07/03 -6

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• To be effective on your home projects is it better using the same technologies used at work?

  - by systempuntoout

  To be more productive and effective, is it better to start developing an home project using the same technologies used at work? I'm not talking about a simple hello world web page but an home project with all bells and whistles that one day, maybe, you could sell on internet. This dilemma is often subject of flames between me and a friend. He thinks that if you want to make a great home-made project you need to use the same technologies used daily at work staying in the same scope too; for example, a c++ computer game programmer should develope an home-made c++ game. I'm pretty sure that developing using the same technologies used at work can be more productive at beginning, but surely less exciting and stimulating of working with other languages\ides\libraries out of your daily job. What's your opinion about that?

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• how can we integrate myspace in my website

  - by sree

  how can we integrate myspace in my website.i want to bind friendslist and daily updates to my website?

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• ASP.NET MVC authorization & permission to use model classes

  - by Tomek

  Hi, This is my first post here, so hello :) Okey, let's get to the point... I am writing my first app in ASP.NET MVC Framework and i have a problem with checking privileges to use instances of model classes (read, edit). Sample code looks like this: // Controller action [CustomAuthorize(Roles="Editor, Admin")] public ActionResult Stats(int id) { User user = userRepository.GetUser(id); if (user == null || !user.Activated || user.Removed) return View("NotFound"); else if (!user.IsCurrentSessionUserOwned) return View("NotAuthorized"); return View(user); } So far authorize attribute protects only controller actions, so my question is: how to make (custom) authorize attribute to check not only user role, usernames but also did i.e. resources instantiated in action methods (above: User class, but there are other ORM objects like News, Photos etc.) All of these object to check have their unique ID's, so user have own ID, News have their ID and UserID field referecned to Users table (i mean these objects are LINQ2SQL classes). How should i resolve that problem?

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• SharePoint 2007 Publishing site and Audience Targeting in Web Part

  - by Robert Vukovic

  In a Publishing site I have web part that has to show news items from the list that has Audience Targeting field. I am using CAML query to retrieve small number of last news items. Is it possible to specify Target Audience in the CAML query ? If not, how should I do it ? Retrieve all results and than apply filter in a loop ? I am practically duplicating Content Query Web Part and I need Audience Targeting in my custom web part.

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• Monitoring System for the cloud?

  - by Maxim Veksler

  I need a monitoring system, much like ganglia / nagios that is build for the cloud. I need it to support : Adding / removing nodes dynamically. (Node shuts down, dose not imply node failure...) Dynamic node based categorization, meaning node can identify them self as being part of group X (ganglia gets this almost right, but lacks the dynamic part...) Does not require multicast support (generally not allowed in cloud based setups) Plugins for recent cool stuff such as Hadoop, Cassandra, Mongo would be cool. More features include: External API, web interface and co. I've looked at Ganglia, munin and they both seem be almost there (but not exactly). I would also go for reasonably priced Software as Service solution. I'm currently doing research, so Suggestions are highly appreciated. Thank you, Maxim

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• Why TVs are costlier than Monitor for same screen size?

  - by Vikrant Chaudhary

  Just wondering, why LCD/LED-backlit TVs cost more (almost double) than LCD/LED-backlit monitors for same screen size. Because I guess that TVs and Monitors, both use almost same technologies and both nowadays support some common connectors (HDMI/D-Sub/DVI etc). And since a Monitor has much higher resolution than a TV for that size, and they are used more closely than TVs, Monitors probably require more engineering effort. So, Monitors are supposed to be costlier than TVs, right? Ex: A ViewSonic (or any) 22"/26" monitor supports Full-HD resolution at 1080p (WSXGA+-1680×1050, WUXGA-1920×1200), while all 22"/26" HDTVs support HD-ready 720p (WXGA-1366x768) only, which is also the resolution of my Notebook's 15.6" screen.

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• ESXi boot time with 9 iSCSI targets

  - by Myles Gray

  Our ESXi hosts have always been slow booting when it came to iscsi_vmk loaded successfully - sitting here for almost 5 minutes. In all a full server reboot takes almost 12 minutes. We have 9 iSCSI targets per host (5 SANs with redundant interfaces) configured as dynamic discovery targets. Has anyone experienced this? Can it be remedied with static discovery mode? Are there any debug steps we can work through to help diagnose this? (All our targets are accessible at boot so i'm assuming the host isn't stuck retrying to connect to a target)

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• Rails 3 time output

  - by Oluf Nielsen

  Hi, I'm now working on my output of the feeds I'm taking in from some site. What I'm currently doing is Time, and i want it to be displayed in a maybe, little be special way.. like this.. today, 14:12 yesterday, 15:34 27/12, 15:24 i have this in my code = news.entry_published.strftime("%d/%m, %H:%M") That gives me an error saying undefined method `strftime' for "2010-12-30 19:26:00.000000":String And it dosn't do what i want with the days.. Edit: - @date = DateTime.strptime(news.entry_published, "%Y-%m-%d %H:%M:%S") = @date.strftime("%d/%m, %H:%M") Now works, and gives this output 30/12, 19:26 But i still have to check if it is today, yesterday or just another day. Cheers, Oluf.

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• Sorting By Multiple Conditions in Ruby

  - by viatropos

  I have a collection of Post objects and I want to be able to sort them based on these conditions: First, by category (news, events, labs, portfolio, etc.) Then by date, if date, or by position, if a specific index was set for it Some posts will have dates (news and events), others will have explicit positions (labs, and portfolio). I want to be able to call posts.sort!, so I've overridden <=>, but am looking for the most effective way of sorting by these conditions. Below is a pseudo method: def <=>(other) # first, everything is sorted into # smaller chunks by category self.category <=> other.category # then, per category, by date or position if self.date and other.date self.date <=> other.date else self.position <=> other.position end end It seems like I'd have to actually sort two separate times, rather than cramming everything into that one method. Something like sort_by_category, then sort!. What is the most ruby way to do this?

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• Read XML using Sencha

  - by user580950

  I am about to develop a application using Sencha touch. The issue i am facing right now is Sencha code should read the following XML ( "data.xml" and display News, Articles...), any expert that can help here please ? <ns2:categories> <category> <catId>96</catId> <title>News</title> </category> <category> <catId>97</catId> <title>Articles</title> </category> </ns2:categories> and when i click on News as an example should read that particular "recordId" element in "data_read.xml" and display "origUrl","title","data" .the data_read.xml looks like below.. <ns2:records> <record> <recordId>96</recordId> <title>123 Lifted</title> <author>|</author> <published>2010-01-20T14:36:00.000-08:00</published> <origUrl> http://www.abc.com/</origUrl> <numComments>0</numComments> <data> <![CDATA[<p>According to a report on sd asdas das asdasd asdasd hjjasd .</p> <p> </p> <p>This is a landmark vote, and a harbinger of change for this extremely traditional area that also has banned the use of metal r bolt.</p> <p> </p> <p>Check out: abc.com and xyz .com for more information.</p> <p class="modifydate">Last Updated (Wednesday, 20 January 2010 22:36)</p>]]> </data> </record> </ns2:records> IS this possible in Sencha ? Thanks for your help in advance

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• Free Google Docs alternative compatible with Opera

  - by f4k3

  Well gDocs isn't working ok, too many bugs and it's pretty slow (especially when saving documents). I have tried several alternatives: - Zoho - they say it's not compatible with Opera and it;s true - you even can't CTRL+V text - Buzzword - it's really slow, and some functions don't work properly (on all browsers) for example "increase indent" increases a random text indent - Etherpad - was taken over by google and is shut down - Peepel - it's a cool thing, almost a free virtual desktop in a browser but it's buggy - a saved a document, tried to open it end an error occured. the document was lost - OpenGoo - went commercial At the moment I'm testing ThinkFree Online - it'a a bit slow (Java :P) and some minor things don't work (like drag a toolbar) but it has cool functionalities (almost like OpenOffice! which I use at home), it actually works with opera (create, save, edit document). Maybe I'll try Scribd but is it a office/share platform? any other worth trying??

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• Keepalived takes several minutes to recover in a particular situation

  - by NathanE

  I've setup Keepalived for a master-slave style virtual IP and it seems to work well. Both are hosted in almost identical VMs. If I "pause" the VM that is running the Master. The Slave will take over, as expected, almost instantly. However if I then "unpause" the VM that runs the Master. The virtual IP will stop responding the pings. And it takes a good 4 or 5 minutes for it to start pinging again. It seems to be getting desynchronised due to the nature of the way I'm testing it (by pausing/unpausing the VMs). I admit that pausing and unpausing VMs is a slightly dodgy way to test this. But it has raised a concern for me that there could be other scenarios that cause the same undesirable behaviour. Is this expected / by design? Is there anything I can do to the config to improve it? Thanks.

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• How to clean sys.conversation_endpoints

  - by Manjoor

  I have a table, a trigger on the table implemented using service broker. More than Half million records are inserted daily into the table. The asynchronous SP is used to check sveral condition by using inserted data and update other tables. It was running fine for last 1 month and the SP was get executed withing 2-3 seconds of insertion of record. But now it take more than 90 minute. At present sys.conversation_endpoints have too much records. (Note that all the table are truncated daily as I do not need those records day after) Other database activities are normal (average 60% CPU Utilization). Now where i need to look?? I can re-create database without any problem but i don't think it is a good way to resolve the problem

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• Helper functions & prototype methods to replace heavy frameworks?

  - by Rob

  All frameworks aside, what are some of the common helper functions/prototype methods you use on a daily basis? Please note I am not arguing against frameworks. I've simply found that the majority of what I do on a daily basis can, most often, be done with a few dozen Array, String and Element.prototype methods. With the addition of a few helper functions like $ (getElementsById) and $$$ (getElementsByClass), I am able to satisfy some of the core benefits, however basic, of a much heavier framework. If you were to collect a small library of basic methods and functions to replace the core functionality of some of the popular frameworks, what would they be?

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