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Articles indexed in March 2010

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  • Search Engine Optimization For Great Search Engine Placement!

    Do you do enough search engine optimization to get the search engine placement that you want for the keywords that you want to rank for? If not then read on and I will give you information that you need to know to start getting those rankings that you want, and start receiving traffic! There are a few things I will be going over in this article.

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  • Jquery plugins not working on ajaxed content

    - by user272899
    I have some content that I am loading using jquery ajax. The content has jquery plugins attached (example a modal box). My problem is that because the ajaxed content isn't part of the original dom it hasn't had the plugins applied to it. How do I apply the plugins to ajaxed content??? Is there someway I can reinitialize i the plugins???

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  • Webbrowser control: Get element value and store it into a variable.

    - by Khou
    Winform: Web browser Control The web browser has the following displayed content, within a html table. [Element] [Value] Name John Smith Email [email protected] For the example above, the html code, might look something like this <table> <tbody> <tr> <td><label class="label">Name</label></td> <td class="normaltext">John Smith</td> </tr> <tr> <td><label class="label">Email</label></td> <td><span class="normaltext">[email protected]</span></td> </tr> </tr> </tbody> </table> . I want to get the element value, the value to the right of the label. What is the best way to do this? .

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  • Tomcat 6 thread safe email queue (javax.mail.*)

    - by Eric V
    Hi I have design/architecture question. I would like to send emails from one of my jsp pages. I have one particular issue that has been a little bit of a problem. there is an instance where one of the pages will need to send around 50 emails at near the same time. I would like the messages sent to a queue where a background thread will actually do the email sending. What is the appropriate way to solve this problem? If you know of a tutorial, example code or tomcat configuration is needed please let me know. Thanks,

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  • primitives of a programming language

    - by Tim
    Hi, Which do the concepts control flow, data type, statement, expression and operation belong to? Syntax or semantics? What is the relation between control flow, data type, statement, expression, operation, function, ...? How a program is built from these primitives level by level? I would like to understand these primitive concepts and their relations in order to figure out what aspects of a new language should one learn. Thanks and regards!

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  • CMS common Architecture

    - by Shalan
    Hi there, I know this is a weird question to ask, but I would like to know if there is any documentation/blog-article out there that explains the architecture of a Website content management system? More particularly, I am interested to learn more about how "widgets" are implemented. I can't remember which system it was that I've seen tis one, but in the "Page Layout view" it had the ability to allow the end user to select a widget (thumbnail gallery, contact form, etc) from a list, and drag and drop it onto custom areas of the page. I know that this is not directly a programming question, but please could I seek advice/feedback on this. Thanks!

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  • How do I install a python package

    - by Thiago
    Hi, I want to install this python package: http://pypi.python.org/pypi/netifaces/0.5 But I don't know how and I know nothing about python. Still, I guess there is a standardized way to install it. Am I right? Thanks in advance

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  • Help porting a bit of Prototype JavaScript to jQuery

    - by ewall
    I have already implemented some AJAX pagination in my Rails app by using the example code for the will_paginate plugin--which is apparently using Prototype. But if I wanted to switch to using jQuery for future additions, I really don't want to have the Prototype stuff sitting around too (yes, I know it's possible). I haven't written a lick of JavaScript in years, let alone looked into Prototype and jQuery... so I could use some help converting this bit into jQuery-compatible syntax: document.observe("dom:loaded", function() { // the element in which we will observe all clicks and capture // ones originating from pagination links var container = $(document.body) if (container) { var img = new Image img.src = '/images/spinner.gif' function createSpinner() { return new Element('img', { src: img.src, 'class': 'spinner' }) } container.observe('click', function(e) { var el = e.element() if (el.match('.pagination a')) { el.up('.pagination').insert(createSpinner()) new Ajax.Request(el.href, { method: 'get' }) e.stop() } }) } }) Thanks in advance!

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  • Code Golf: Connecting the dots

    - by ChristopheD
    Description: The input are multiple lines (terminated by a newline) which describe a 'field'. There are 'numbers' scattered across this field: the numbers always start at 1 they follow the ordering of the natural numbers: every 'next number' is incremented with 1 every number is surrounded by (at least) one whitespace on it's left and right Task: Draw lines between these numbers in their natural order (1 -> 2 -> 3 -> ...N) with the following characteristics: replace a number with a '+' character for horizontal lines: use '-' for vertical lines: use '|' going left and down or right and up: / going left and up or right and down: \ Important note: When drawing lines of type 4 and 5 you can assume that : (given points to connect with coordinates x1, y1 and x2, y2) distance(x1,x2) == distance(y1,y2). Have a look at the examples to see where you should 'attach' the lines. It is important to follow the order in which the dots are connected (newer lines can be drawn over older lines). Sample input 1 9 10 8 7 6 5 11 13 12 3 4 14 15 16 1 2 Sample output 1 /+ / | / | +/ +--+ | +\ | \ | \+ /+ | / | /+-------------+/ +---+ / | +--+ | + | +--------------------------+ Sample input 2 4 2 3 5 6 1 8 7 Sample output 2 /+ / | / | / | /+------------------+/ +--------+\ / \ +/ +--------------------------------------+ Winner: shortest solution (by code count). Input can be read via command line.

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  • PHP's form bracket trick is to Django's ___?

    - by Matt
    In PHP you can create form elements with names like: category[1] category[2] or even category[junk] category[test] When the form is posted, category is automatically turned into a nice dictionary like: category[1] => "the input value", category[2] => "the other input value" Is there a way to do that in Django? request.POST.getlist isn't quite right, because it simply returns a list, not a dictionary. I need the keys too.

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  • PyQt QDataWidgetMapper submit doesn't work

    - by DSblizzard
    Here is the parts of code (Mw - main window, Ed - edit dialog, Tv - table view): Mw.mapper = QDataWidgetMapper(Mw) Mw.mapper.setSubmitPolicy(QDataWidgetMapper.ManualSubmit) Mw.mapper.setItemDelegate( QSqlRelationalDelegate(Mw.mapper) ) Mw.mapper.setModel(Table.Model) # Id - first invisible key column Mw.mapper.addMapping(Ed.leName, Name) # Name == 1 Mw.mapper.addMapping(Ed.leSize, Size) # Size == 2 Mw.mapper.toFirst() Row = Tv.currentIndex().row() Mw.mapper.setCurrentIndex(Row) Ed.setModal(1) Ed.show() Res = Mw.mapper.submit() # False Table.Model.submitAll() SQL UPDATE statement works in this case. Why problem with mapper?

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  • Runing directx samples on a Windows Mobile 6.1 device

    - by Sil
    Hi, I tried to run the directx samples from ..\Windows Mobile 6 SDK\Samples\PocketPC\CPP\win32\directx\d3dm\tutorials on m Samsung Omnia and on the emulator and it doesn't work because a deployment error. I am using Microsoft Visual Studio 2008 and have installed Windows Mobile SDK Standard and Professional refresh. The device is correctly plugged in and set up for active sync(I know this because other samples work, also a creating Win32 smart device and running it works) When I try to run the application it compiles without errors but the message: " There were deployment errors, Continue? Yes/No" appears If I manually copy the application from the debug folder to the device and run it from there, it works. The same deployment error message appears if I try it on an emulator. Other applications are deploying successfully. Is there any way to make the deployment work? Maybe there is an obscure option I need to set... Thank you

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  • Big problem with regular expression in Lex (lexical analyzer)

    - by Nazgulled
    Hi, I have some content like this: author = "Marjan Mernik and Viljem Zumer", title = "Implementation of multiple attribute grammar inheritance in the tool LISA", year = 1999 author = "Manfred Broy and Martin Wirsing", title = "Generalized Heterogeneous Algebras and Partial Interpretations", year = 1983 author = "Ikuo Nakata and Masataka Sassa", title = "L-Attributed LL(1)-Grammars are LR-Attributed", journal = "Information Processing Letters" And I need to catch everything between double quotes for title. My first try was this: ^(" "|\t)+"title"" "*=" "*"\"".+"\"," Which catches the first example, but not the other two. The other have multiple lines and that's the problem. I though about changing to something with \n somewhere to allow multiple lines, like this: ^(" "|\t)+"title"" "*=" "*"\""(.|\n)+"\"," But this doesn't help, instead, it catches everything. Than I though, "what I want is between double quotes, what if I catch everything until I find another " followed by ,? This way I could know if I was at the end of the title or not, no matter the number of lines, like this: ^(" "|\t)+"title"" "*=" "*"\""[^"\""]+"," But this has another problem... The example above doesn't have it, but the double quote symbol (") can be in between the title declaration. For instance: title = "aaaaaaa \"X bbbbbb", And yes, it will always be preceded by a backslash (\). Any suggestions to fix this regexp?

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  • What's a good (preferably standard) was to restore iptables config in ubuntu 9.10

    - by nixomose
    I never quite got why this isn't some built in setup, although maybe it is and stuff changes so quickly I just missed it. I can use iptables-save to generate something I can feed into iptables-restore, but what I was wondering is if there was a standard place to put it so that it gets picked up on boot without me having to add something to rc.local or the ever changing init/event.d scripts.

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  • What's the appropriate way to upgrade Apache in RHEL?

    - by jldugger
    The version of Apache shipped in RHEL 5.4 is very old. A feature I need only shipped recently. It seems Apache upstream only ships tarballs, and omits binary packages. Obviously I could build from source, but what's the canonical way to upgrade a single package like this? Is it common procedure to drop a newer tarball in the existing SPEC, or does someone already do all this with an eye towards RHEL?

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  • Uninstall Java on Mac OS X?

    - by Jesse
    I'm working on a trouble shooting document for some desktop software that runs in Java. One of the last resort steps is to completely uninstall and reinstall the Java runtime. In Windows XP this can be done via Add/Remove Programs. Is there something equivalent on OSX? Or does reinstalling the runtime overwrite the current version?

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  • What is the difference between Output Text and Output Text (Active)?

    - by [email protected]
    When building an ADF Faces application in JDeveloper, you might have noticed that in the Component Palette there is an option for both "Output Text" as well as "Output Text (Active)".   Why do we have both of these options?Under the covers, there are actually two tags, af:outputText and af:activeOutputText.  Similarly, there is an active version of af:image, namely af:activeImage, and an active version of af:commandToolbarButton, af:activeCommandToolbarButton.In the vast majority of cases, developers should use the non-active version of the components.   The active version of the components are there to support specific usecases around Server Side Push using the Active Data Service feature.  Most of our customers don't use Server Side Push, and hence do not need the active version of the components.  You can learn more about Server Side Push with ADF Active Data Service in this blog.By using the active version of af:outputText, af:image or af:commandToolbarButton when you don't need to, you are taking a performance hit that is unnecessary.

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  • Run php in Drupal template uncached

    - by lokust
    Hi. I need to run a php code snippet in a Drupal template and not have it cached. The php snippet sniffs for a cookie and if found returns one of messages according to the cookie value. ie: if(isset($_GET['key'])) { $cookievalue = $_GET['key']; } if(isset($_COOKIE['cookname'])) { $cookievalue = $_COOKIE['cookname']; } switch ($cookievalue) { case hmm01: echo "abc"; break; case hmm02: echo "def"; break; case hmm03: echo "ghi"; break; default: echo "hello"; } Right now, Drupal displays the messages randomly according to when the page was first caches and with which cookie - no good at all! I can't see a great deal of info on how I might go about this - it seems that you have to turn the cache off for the page rather than run php code uncached.

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  • How to overcome shortcomings in reporting from EAV database?

    - by David Archer
    The major shortcomings with Entity-Attribute-Value database designs in SQL all seem to be related to being able to query and report on the data efficiently and quickly. Most of the information I read on the subject warn against implementing EAV due to these problems and the commonality of querying/reporting for almost all applications. I am currently designing a system where almost all the fields necessary for data storage are not known at design/compile time and are defined by the end-user of the system. EAV seems like a good fit for this requirement but due to the problems I've read about, I am hesitant in implementing it as there are also some pretty heavy reporting requirements for this system as well. I think I've come up with a way around this but would like to pose the question to the SO community. Given that typical normalized database (OLTP) still isn't always the best option for running reports, a good practice seems to be having a "reporting" database (OLAP) where the data from the normalized database is copied to, indexed extensively, and possibly denormalized for easier querying. Could the same idea be used to work around the shortcomings of an EAV design? The main downside I see are the increased complexity of transferring the data from the EAV database to reporting as you may end up having to alter the tables in the reporting database as new fields are defined in the EAV database. But that is hardly impossible and seems to be an acceptable tradeoff for the increased flexibility given by the EAV design. This downside also exists if I use a non-SQL data store (i.e. CouchDB or similar) for the main data storage since all the standard reporting tools are expecting a SQL backend to query against. Do the issues with EAV systems mostly go away if you have a seperate reporting database for querying? EDIT: Thanks for the comments so far. One of the important things about the system I'm working on it that I'm really only talking about using EAV for one of the entities, not everything in the system. The whole gist of the system is to be able to pull data from multiple disparate sources that are not known ahead of time and crunch the data to come up with some "best known" data about a particular entity. So every "field" I'm dealing with is multi-valued and I'm also required to track history for each. The normalized design for this ends up being 1 table per field which makes querying it kind of painful anyway. Here are the table schemas and sample data I'm looking at (obviously changed from what I'm working on but I think it illustrates the point well): EAV Tables Person ------------------- - Id - Name - ------------------- - 123 - Joe Smith - ------------------- Person_Value ------------------------------------------------------------------- - PersonId - Source - Field - Value - EffectiveDate - ------------------------------------------------------------------- - 123 - CIA - HomeAddress - 123 Cherry Ln - 2010-03-26 - - 123 - DMV - HomeAddress - 561 Stoney Rd - 2010-02-15 - - 123 - FBI - HomeAddress - 676 Lancas Dr - 2010-03-01 - ------------------------------------------------------------------- Reporting Table Person_Denormalized ---------------------------------------------------------------------------------------- - Id - Name - HomeAddress - HomeAddress_Confidence - HomeAddress_EffectiveDate - ---------------------------------------------------------------------------------------- - 123 - Joe Smith - 123 Cherry Ln - 0.713 - 2010-03-26 - ---------------------------------------------------------------------------------------- Normalized Design Person ------------------- - Id - Name - ------------------- - 123 - Joe Smith - ------------------- Person_HomeAddress ------------------------------------------------------ - PersonId - Source - Value - Effective Date - ------------------------------------------------------ - 123 - CIA - 123 Cherry Ln - 2010-03-26 - - 123 - DMV - 561 Stoney Rd - 2010-02-15 - - 123 - FBI - 676 Lancas Dr - 2010-03-01 - ------------------------------------------------------ The "Confidence" field here is generated using logic that cannot be expressed easily (if at all) using SQL so my most common operation besides inserting new values will be pulling ALL data about a person for all fields so I can generate the record for the reporting table. This is actually easier in the EAV model as I can do a single query. In the normalized design, I end up having to do 1 query per field to avoid a massive cartesian product from joining them all together.

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  • Running directx samples on a Windows Mobile 6.1 device

    - by Sil
    I tried to run the directx samples from ..\Windows Mobile 6 SDK\Samples\PocketPC\CPP\win32\directx\d3dm\tutorials on a Samsung Omnia and on the emulator and it doesn't work because of a deployment error. I am using Microsoft Visual Studio 2008 and have installed Windows Mobile SDK Standard and Professional refresh. The device is correctly plugged in and set up for active sync (I know this because other samples work, also a creating Win32 smart device and running it works). When I try to run the application it compiles without errors but the message: " There were deployment errors, Continue? Yes/No" appears If I manually copy the application from the debug folder to the device and run it from there, it works. The same deployment error message appears if I try it on an emulator. Other applications are deploying successfully. Is there any way to make the deployment work? Maybe there is an obscure option I need to set...

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  • How would I redirect two domains using .htaccess

    - by user302943
    I'm trying to redirect one domain to the root and another to a directory. The problem I'm having is the second domain is overwriting the firsts redirection. Here is what I have. RewriteEngine On RewriteCond %{HTTP_HOST} !^http://example.site.net$ [NC] RewriteCond %{REQUEST_URI} !^/.*$ RewriteRule ^(.*)$ / [L] RewriteEngine On RewriteCond %{HTTP_HOST} !^http://example2.com [NC] RewriteCond %{HTTP_HOST} !^http://www.example2.com [NC] RewriteCond %{HTTP_HOST} !^$ RewriteCond %{REQUEST_URI} !^/example2_directory/ RewriteRule ^(.*)$ /example2_directory/$1

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  • How to output formatted HTML from PHP?

    - by Tim
    I like to format all my HTML with tabs for neatness and readability. Recently I started using PHP and now I have a lot of HTML output that comes from in between PHP tags. Those output lines all line up one the left side of the screen. I have to use /n to make a line go to the next. Is there anything like that for forcing tabs, or any way to have neat HTML output coming from PHP?

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