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• Using SQL to calculate a date within a certain date range

  - by David Passmore

  Hi, I'm using access 2007 and i am trying to set up a database to act as a library system, i need a function that automatically calculates a date 14 days after a given date i.e. Loan Date vs. Due Date. But the library is open only on certain Days. So i need the 14 days not to include the dates that are out of hours, like weekends and school holidays etc. I think i need to use Select Case or IIF's? Help would be appreciated! Thanks David

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• Firefox 3.6.3 on Snow Leopard 10.6.3 - symbolic link to command line binary doesn't work?

  - by David Watson

  I have Firefox 10.6.3 installed on Mac OS X Snow Leopard from the DMG. I can run firefox from the terminal using /Applications/Firefox.app/Contents/MacOS/firefox-bin. However, if I create a symbolic link: sudo ln -s /Applications/Firefox.app/Contents/MacOS/firefox-bin /bin/firefox then it refuses to run, or at least display. When I issue "firefox" from the terminal, I can see the process in top, but never get the GUI to appear. :/ = ls -lr /bin/firefox lrwxr-xr-x 1 root wheel 52 May 5 15:19 /bin/firefox - /Applications/Firefox.app/Contents/MacOS/firefox-bin Any ideas? Thanks, David

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• Rendering videos online using flash as3 and AIR, how does it work?

  - by David

  I came accross this link that talks about the technology used with Animoto.com And it seems like they use AIR to export their flash animations to bitmaps that ffmpeg compil as a movie. http://labs.animoto.com/2009/06/07/presenting-filmstrip/ "It also takes time to render, so what you’re seeing isn’t realtime. It’s a series of Flash-generated frames that have been saved out using AIR and processed into an MP4 after the fact using a utility called FFmpeg." Does that mean AIR is installed on the server? How would that work to export a dynamicaly created aninmation into a series of pics that ffmpeg can then easily convert into a movie? David

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• jQuery AJAX call undefined error with special characters

  - by David

  Hi, I tried to make an AJAX call using jQuery, the data has special characters, e.g {'data':'<p>test</p>'}. It seems failed to pass this data in the first place. It will work if i just pass {'data':'test'}. encodeURIComponent and JSON.stringify failed here due to the special character < > /. Could anyone please help with it? Thanks. $.ajax({ type: "POST", url: "services.aspx", data: "data=" + encodeURIComponent(JSON.stringify(obj)), dataType: "text", error: function(xhr, textStatus, errorThrown) { alert("ERROR"); }, success: function(data) { } }); Regards, David

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• ArchBeat Link-o-Rama for November 21, 2012

  - by Bob Rhubart

  Fault Handling and Prevention - Part 1 | Guido Schmutz and Ronald van Luttikhuizen In this technical article, part one of a four part series, Oracle ACE Directors Guido Schmutz and Ronald van Luttikhuizen guide you through an introduction to fault handling in a service-oriented environment using Oracle SOA Suite and Oracle Service Bus. One Stop Shop for Oracle Webcasts Webcasts can be a great way to get information about Oracle products without having to go cross-eyed reading yet another document off your computer screen. Oracle's new Webcast Center offers selectable filtering to make it easy to get to the information you want. Yes, you have to register to gain access, but that process is quick, and with over 200 webcasts to choose from you know you'll find useful content. Oracle on Oracle: Is that all? (Identity Management)| Darin Pendergraft Darin Pendergraft shares a discussion with Jaime Cardoso aboutthe latter's experience with Oracle's IDM products. What's particularly interesting is that the discussion grew out of Jaime's highly critical comment that Darin missed important pointsabout those products in an earlier interview Chirag Andani. If that ain't social engagement, I don't know what is. I.T. Chargeback : Core to Cloud Computing | Zero to Cloud "While chargeback has existed as a concept for many years (especially in mainframe environments), it is the move to this self-service model that has created a need for a new breed of chargeback applications for cloud," says Mark McGill. "Enabling self-service without some form of chargeback is like opening a shop where all of the goods are free." New Self-paced Online Oracle BPM 11g Developer Training | Dan Atwood Oracle ACE Dan Atwood of Avio Consulting shares a lot of information about a new Oracle BPM 11g Developer Workshop. JPA SQL and Fetching tuning ( EclipseLink ) | Edwin Biemond Oracle ACE Edwin Biemond's post illustrates how to "use the department and employee entity of the HR Oracle demo schema to explain the JPA options you have to control the SQL statements and the JPA relation Fetching." Thought for the Day "Team development is like a birthday cake. Everybody gets a piece." — Assaad Chalhoub Source: SoftwareQuotes.com

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• How to capture any key in X?

  - by cz-david

  Hi, I am building an application for which I need to periodically get information about users keyboard. It is going to be user idle detection application. I have a fairly simple solution to periodically check if the mouse has been moved. But I can't figure any reasonable non root way to detect if the keyboard has been pressed. I was thinking about registering a hook every timer timeout and on any key press to unregister it. So if there is no key press for a long time then my program will know if the user is idle. Anyway, I couldn't find any global hooks for any key, including modifiers. Is there an easy way to do this? Or would someone have a better way to detect keyboard idleness? Thanks, David Polák

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• as3 swc component preview through code

  - by David

  I am developing an as3 swc-based component that populates its contents entirely through actionscript in the constructor (e.g. sprite.graphics.lineTo...). When I drag the component onto the stage, it is empty. If I export my movie, everything works perfectly, but I also need the live preview to work. I could get around this with a placeholder graphic, but I would much rather leave it purely as code. Is there any way to get around this? Thanks, David.

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• Override delete behaviour in NHibernate

  - by David

  Hi all In my application users cannot truly delete records. Rather, the record's Deleted field gets set to 1, which hides it from selects. I need to maintain this behaviour and I'm looking into whether NHibernate is appropriate for my app. Can I override NHibnernate's delete behaviour so that instead of issuing DELETE statements, it issues UPDATES, as described above? I would obviously also need to override its SELECT behaviour to include the 'AND Deleted = 0' clause. Or read from a view instead. I dunno. TIA for your advice. David

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• ArchBeat Link-o-Rama for November 15, 2012

  - by Bob Rhubart

  WLST Starting and Stopping a WebLogic Environment | Rene van Wijk Oracle ACE Rene van Wijk explores how to start a server with as little input as possible. Developing and Enforcing a BYOD Policy | Darin Pendergraft Darin Pendergraft's post includes links to a recent Mobile Access Policy Survey by SANS as well as registration information for a Nov 15 webcast featuring security expert Tony DeLaGrange from Secure Ideas, SANS instructor, attorney and technology law expert Ben Wright, and Oracle IDM product manager Lee Howarth. Cloud Integration White Paper Now Available |Bruce Tierney Bruce Tierney shares an overview of Cloud Integration - A Comprehensive Solution, a new white paper he co-authored with David Baum, Rajesh Raheja, Bruce Tierney, and Vijay Pawar. My iPad & This Cloud Thing | Floyd Teter Oracle ACE Director Floyd Teter explains why the Cloud is making it possible for him to use his iPad for tasks previously relegated to his laptop, and why this same scenario is likely to play out for a great many people. 3 steps to a cloud database strategy that works | InfoWorld "Every day, cloud-based databases add more features, decrease in cost, and become better at handling prime-time business," says InfoWorld blogger David Linthicum. "However, enterprise IT is reluctant to move data to public clouds, citing the tried-and-true excuses of security, privacy, and compliance. Although some have valid points, their reasons often boil down to 'I don't wanna.'" Oracle VM Templates for EBS 12.1.3 for Exalogic Now Available | Elke Phelps "The templates contain all the required elements to create an Oracle E-Business Suite R12 demonstration system on an Exalogic server," says Elke Phelps. "You can use these templates to quickly build an EBS 12.1.3 demonstration environment, bypassing the operating system and the software install (via the EBS Rapid Install)." Thought for the Day "A good plan executed today always beats a perfect plan executed tomorrow." — George S. Patton (November 11, 1885 - December 21, 1945) Source: SoftwareQuotes.com

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• problem showing pictures stored outside web root folder

  - by David

  On a website users can upload pictures. For security reasons these are stored outside the webroot (public_html) folder. When I need to display the picture, I send the headers and have "readfile" read and output the picture data, like so: header("Pragma: public"); header("Expires: 0"); // set expiration time header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header('Content-type: image/jpg'); header('Content-Length: ' . $filesize); readfile($path_url . '/' . $photo); This works great, but the site is growing and this is starting to be a burden on the server. Question: is there a way to send the picture or picture data to the user, without the server first having to load the picture (obviously with the picture still being stored outside the webroot folder)? Thanks! David

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• Conditional configuration in maven pom.xml

  - by David Zhao

  I'd like to ONLY exclude certain files in maven-war-plugin when property "skipCompress" set to true, I thought I could do something like this, but it doesn't work for me. BTW, I can't use profile to achieve this even I want to use skipCompress to turn on and off the compression in both development and deployment profiles. <plugin> <artifactId>maven-war-plugin</artifactId> <configuration> <if> <not> <equals arg1="${skipCompress}" arg2 = "true"/> </not> <then> <warSourceExcludes>**/external/dojo/**/*.js</warSourceExcludes> </then> </if> </configuration> </plugin> Thanks, David

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• JavaScript-like Object in Python standard library?

  - by David Wolever

  Quite often, I find myself wanting a simple, "dump" object in Python which behaves like a JavaScript object (ie, its members can be accessed either with .member or with ['member']). Usually I'll just stick this at the top of the .py: class DumbObject(dict): def __getattr__(self, attr): return self[attr] def __stattr__(self, attr, value): self[attr] = value But that's kind of lame, and there is at least one bug with that implementation (although I can't remember what it is). So, is there something similar in the standard library? And, for the record, simply instanciating object doesn't work: obj = object() obj.airspeed = 42 Traceback (most recent call last): File "", line 1, in AttributeError: 'object' object has no attribute 'airspeed' Thanks, David

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• Recording SELECT statements in PostgreSQL 8.4

  - by David Anniwell

  Hi All I've got a table which contains sensitive data and according to data protection policy we have to keep a record of every read/write of the data including a row identifier and the user who accessed the table. The writing is no issue using triggers but obviously triggers aren't supported for SELECT statements. What's the best method of doing this? I've looked at rules but I can't get them to INSERT into a table, and I've tried logging every query but this doesn't seem to log SELECT statements. Ideally for security I'd like to keep the log within a table on the database but logging to a file is fine too. Thanks David

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• The finest way to store the HardCore Data i android

  - by david

  Hi All! I am working on an application where I have a long listing of different states approximately 20 states and each state consisting of several zones in addition to the weather forcast of each zone eventually. Now the thing is that I have already created the Listing of hardcore data in a list view of all the states. Again I need to add the hardcore data of several zones for each state(min 4 to 5 zones/ state). So , now I am wondering that whether I have to create the separate classes with hardcore names of all the zones in each state or is there any easy way out for doing the same. It would be great if anyone having the idea can tell me. Thanks, david

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• C# File.ReadAllLines not breaking on line feeds

  - by David Dickerson

  Hello, I have an application that I am building that needs to modify a configuration file. My problem is that I am not able to read the file in line by line. I keep geeting the the entire file as a single string. string ConfigTemplate = AEBuildsSPFolderName + "\Template_BuildReleaseScript.Config"; string[] fileSourceLines = File.ReadAllLines(ConfigTemplate, Encoding.Default); --Returns the entire file contents into the first array element. using (StreamReader reader = new StreamReader(ConfigTemplate)) { string line; while ((line = reader.ReadLine()) != null) --Returns the entire file contents into the first line read. Any idea of what I am doing wrong? Thanks, david

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• links for 2011-01-10

  - by Bob Rhubart

  Clusterware 11gR2: Setting up an Active/Passive failover configuration (Oracle Luxembourg XPS on Database) Some think that expensive third-party cluster systems are necessary when it comes to protecting a system with an Active/Passive architecture with failover capabilities. Not true, according to Gilles Haro. (tags: oracle otn database) Atul Kumar: Part IX : Install OAM Agent - 11g WebGate with OAM 11g Part 9 of Atul's step by step guide to the installation of Oracle Identity Management. (tags: oracle oam identitymanagement security otn) Michel Schildmeijer: Oracle Service Bus: enable / disable proxy service with WLST Amis Technology's Michel Schildmeijer shares a process he found for enabling / disabling a proxy service within Oracle Service Bus 11g with WLST (WebLogic Scripting tool). (tags: oracle soa servicebus weblogic) @andrejusb: SOA & E2.0 Partner Community Forum XIII - in Utrecht, The Netherlands Oracle ACE Director Andrejus Baranovskis shares a nice plug for the SOA & E2.0 Partner Community Forum XIII coming up in March in the Netherlands. (tags: oracle oracleace otn soa enterprise2.0) Oracle Magazine Architect Column: Enterprise Architecture in Interesting Times Oracle ACE Directors Lonneke Dikmans, Ronald van Luttikhuizen, Mike van Alst, and Floyd Teter and Oracle enterprise architect Mans Bhuller share their thoughts on the forces that are shaping enterprise architecture. (tags: oracle otn architect entarch oraclemag) InfoQ: Deriving Agility from SOA and BPM - Ten Things that Separate the Winners from the Losers In this presentation from SOA Symposium 2010, Manas Deb and Clemens Utschig-Utschig discuss how to derive business agility from SOA and BPM, motivations for agility, developing and nurturing agility, influencers and dependencies, how SOA and BPM enable agility, pitfalls and recommendations for organizational culture, and pitfalls and recommendations for business and technical architectures. (tags: ping.fm)

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• Imports and Depends

  - by David Diez

  I have read two recent posts that discuss Depends and Imports but I have four lingering, related questions: Suppose I want two packages to also be available to the end-user when they load in my package. Is there a good reason not to use Depends in this context? (The point here is to load all three packages via a command that loads just the one package.) Is it okay to specify a package in both the Depends and Imports fields? If a package is listed in Depends, is there a point to also listing it in Imports? Or are the benefits of Imports already negated by using Depends? [Added Question] Is the following correct? A package should be listed in the Imports field of the DESCRIPTION file if and only if the package is imported (in whole or in part) in the NAMESPACE file. Thanks much! David

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• typeid , dynamic casting (upcast) and templates

  - by David

  Hello, I have few questions regarding dynamic casting , typeid() and templates 1) How come typeid does not require RTTI ? 2) dynamic_cast on polymorphic type: When I do downcast (Base to Derive) with RTTI - compilation passes When RTTI is off - I get a warning (warning C4541: 'dynamic_cast' used on polymorphic type 'CBase' with /GR-; unpredictable behavior may result) When I do upcast (Derive to Base), with or without RTTI - compilation passes smoothly What I don't understand is why when I do upcast and RTTI is off - I don't get any warning/error! 3) dynamic_cast on NON polymorphic type: When I do downcast with or without RTTI - compilation fails (error C2683: 'dynamic_cast' : 'CBase' is not a polymorphic type) BUT When I do upcast with or without RTTI - compilation passes smoothly. How come on upcast on NON polymorphic type passes w/o RTTI ? 4) Does 'inline' in front of a template function has any effect, i.e. when the compiler compiles the function and see it is 'inline' it will actually treat the function as inline or it is ignored? Thank you very much for the assistance David

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• Why does my Perl program print the help message when an arguments has 0 as a value?

  - by David

  If i do this: GetOptions( 'u=s' => \$in_username, 'r=i' => \$in_readonly, 'b=i' => \$in_backup ); exit usage() unless $in_username && $in_readonly && $in_backup; and call the program like this: ./app.pl -u david -r 12 -b 0 it always results in calling usage(), so obviously the 0 is not seen as an integer value. What can i do accept integer values AND 0?

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• Nexus: removing repository

  - by David

  Hi, I accidently removed a hosted snapshot repository from Nexus containing a few artifacts needed by other developers on my team. Fine, I'll be able to recreate it fairly easy, but when I tried to add the repository again with the same name as the one I removed, the "Upload Artifact" tab did not show. I tried to clean the cache and reindex the public and public snapshot repos, but that didn't help. I also tried setting an alternative storage path by entering an alternative path on "Override Local Storage Location", same result. Will I have to create a brand new repository with a different name and change all repository reference in my projects? Thanks, David

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• JavaScript - How to change a dom node back to an existing Google Map?

  - by David Robertson

  I set a div to a class which shows a spinning animated when the map is loading some data, the question is, how can I set the div back to the map (I don't want to load a new map, but load the existing one, which is assigned to a var 'map')? //map is assigned originally like this: map = new google.maps.Map(document.getElementById('map3'),options); //animated graphic is assigned to map div on load of data: document.getElementById('map3').className = "loading"; but how to get the map back? Thanks for any tips! David

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• Anyanyelvi követelés: Tiszteletet a tizedestörteknek!

  - by Fekete Zoltán

  Teljesen saját vélemény következik, ami nem közvetlenül kapcsolódik a BI és DW területhez. Háttér: annak idején matematikusként és angol-magyar szakfordítóként végeztem a KLTE-n (ma Debreceni Egyetem). Elborzadva észlelem azt a pongyolaságot, ami terjed a magyar nyelvben. Az imént láttam egy nagy nemzetközi bank hirdetését a televízióban: a kamat 5,75%, azaz "öt egész hetvenöt százalék" :( SEGÍTSÉG!!! Helyesen: "öt egész hetvenöt század százalék". Miról is van szó? Mi az a "...egész hetvenöt százalék"? Tized? Század? Ezred? Krumpli? Esetleg hetvenöt palack bodzaszörp? Vagy ötször hetvenöt százalék? Mert az már komfortos kamat lenne. Másik példa: az InfoRádió Piaci percek c. musorában vagy a Tozsdenyitásban is gazdasági szakemberek, közszereplok!!! nem képesek kimondani pontosan a számokat. SEGÍTSÉG!!! Sajnos rengeteg informatikával kapcsolatos tevékenységet végzo szakembertol, vállalatvezetoktol is tapasztalom ezt a bosszantó hibát. SEGÍTSÉG!!! Nálam tapasztaltabb szakik bölcsessége: Ne csak észleljük a problémákat, megoldandó feladatokat, de javasoljunk is megoldást! Így megy elore a szekér. Ezen a ponton tehát nem akadhatunk el. :) Javaslataim: - töröljük el törvényben a tizedestörteket - tanítsuk meg végre legalább a számokat hivatalból használóknak, hogyan is kell azokat kimondani, hogy bukdácsolás nélkül röppenjenek ki ajkaink közül Induljon a szavazás! Gyozzön a jobbik javaslat! Mit gondoltok? Másik kedvencem, szintén mindenhol hallható, hogy embertársaink nem tudják helyesen alkalmazni az "egyelore" és "egyenlore" szavakat. Amikor a nem egyenlo mennyiségeket hozzuk egyenlore valamilyen muvelettel, akkor "egyenlore". Más szövegkörnyezetben viszont, amikor az "ideiglenesen" vagy "most éppen", akkor "egyelore". Hátha változik ez a szomorú helyzet! Mindenesetre Nagyézsda mindig velünk van. :)

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• How to measure the time HTTP requests spend sitting in the accept-queue?

  - by David Jones

  I am using Apache2 on Ubuntu 9.10, and I am trying to tune my configuration for a web application to reduce latency of responses to HTTP requests. During a moderately heavy load on my small server, there are 24 apache2 processes handling requests. Additional requests get queued. Using "netstat", I see 24 connections are ESTABLISHED and 125 connections are TIME_WAIT. I am trying to figure out if that is considered a reasonable backlog. Most requests get serviced in a fraction of a second, so I am assuming requests move through the accept-queue fairly quickly, probably within 1 or 2 seconds, but I would like to be more certain. Can anyone recommend an easy way to measure the time an HTTP request sits in the accept-queue? The suggestions I have come across so far seem to start the clock after the apache2 worker accepts the connection. I'm trying to quantify the accept-queue delay before that. thanks in advance, David Jones

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• Silverlight Cream for May 25, 2010 -- #869

  - by Dave Campbell

  In this Issue: Miroslav Miroslavov, Victor Gaudioso, Phil Middlemiss, Jonathan van de Veen, Lee, and Domagoj Pavlešic. From SilverlightCream.com: Book Folding effect using Pixel Shader On the new CompleteIT site, did you know the page-folding was done using PixelShaders? I hadn't put much thought into it, but that's pretty cool, and Miroslav Miroslavov has a blog post up discussing it, and the code behind it. New Silverlight Video Tutorial: How to create a Slider with a ToolTip that shows the Value of the Slider This is pretty cool... Victor Gaudioso's latest video tutorial shows how to put the slider position in the slider tooltip... code and video tutorial included. Backlighting a ListBox Put this in the cool category as well... Phil Middlemiss worked out a ListBox styling that makes the selected item be 'backlit' ... check out the screenshot on the post... and then grab the code :) Adventures while building a Silverlight Enterprise application part #33 Jonathan van de Veen is discussing changes to his project/team and how that has affected development. Read about what they did right and some of their struggles. RIA Services and Storedprocedures Lee's discussing Stored Procs and RIA Services ... he begins with one that just works, then moves on to demonstrate the kernel of the problem he's attacking and the solution of it. DoubleClick in Silverlight Domagoj Pavlešic got inspiration from one of Mike Snow's Tips of the Day and took off on the double-click idea... project source included. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• MySQL LOAD DATA LOCAL INFILE example in python?

  - by David Perron

  I am looking for a syntax definition, example, sample code, wiki, etc. for executing a LOAD DATA LOCAL INFILE command from python. I believe I can use mysqlimport as well if that is available, so any feedback (and code snippet) on which is the better route, is welcome. A Google search is not turning up much in the way of current info The goal in either case is the same: Automate loading hundreds of files with a known naming convention & date structure, into a single MySQL table. David

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