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• Clarification about Event Producer in StreamInsight

  - by sandy

  I need a small clarification about streamInsight, I know by doc's that StreamInsight can handle multiple concurrent Events. But will the event producer be a separate function, for ex: I need to watch a folder for new Files becoz all my sensors il write readings every day in a new file in particular drive. Method 1: FileSystemWatcher: These is the traditional approach where we write a service using FileSystemWatcher to watch a folder for new files,etc.. Upon receiving event from FileSystemWatcher il perform some operations on these files. How to do these using streamInsight??? I came know that using IObservable i can push events to StreamInsight. But is there anything to watch folder is sreamInsight like FileSystemWatcher. OR In order to raise events to streamInsight do we need to use FileSystemWacther? Any suggestion regarding these is highly appreciated. Thank in Advance

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• Whether to go for part MBA or not [closed]

  - by Santosh singh

  I need your help in knowing more about SP Jain Finance MBA. I am currently working in Singapore as a tech lead having 6.5 year experience in IT, planning to do part time MBA. There are currently 3 specialisation offered- marketing,operations and finance- I am not sure which one to choose. Whether I would be able to find a job in finance after getting MBA degree from SP Jain. Basically I do not forsee any career growth in my present company, so in a fix should I do MBA or go for some specialised course if you suggest.

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• Microsoft pourrait être à l'origine de l'arrêt du Botnet « Rustock », le plus prolifique de l'histoire du spam

  Microsoft pourrait être à l'origine de l'arrêt du Botnet « Rustock » Le plus prolifique de l'histoire du spam Un groupe anonyme d'experts en sécurité a réussi à paralyser les opérations de spams produites depuis des années par Rustock, le plus prolifique Botnet de l'histoire de l'Internet. Depuis l'après-midi du 16, aucun des serveurs de contrôle et commande (CnC) de Rustock ne répond plus. Un exploit qui concorde avec une baisse drastique du nombre de pourriels à l'échelle mondiale. [IMG]http://idelways.developpez.com/news/images/rustock.png[/IMG] Bien que cette opération n'ait pas encore été revendiquée officiellement, une enquête du Wall St...

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• Can't transfer list<T> to web service?

  - by iTayb

  I have the same classes on my server and on my web service. I have the following WebMethod: [WebMethod] public int CreateOrder(List<Purchase> p, string username) { o.Add(new Order(p,username)); return o.Count; } However the following code, run at server: protected void CartRepeater_ItemCommand(object source, RepeaterCommandEventArgs e) { List<Purchase> l = ((List<Purchase>)Session["Cart"]); if (e.CommandName == "Order") { localhost.ValidateService WS = new localhost.ValidateService(); WS.CreateOrder(l, Session["username"].ToString()); } } gives the following error: Argument '1': cannot convert from 'System.Collections.Generic.List<Purchase>' to 'localhost.Purchase[]'. How can I transfer the list<Purchase> object to the web service? Thank you very much.

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• Java EE 6 - ordering Servlet Request Listeners

  - by Walter White

  Hi all, I finally updated to Java EE 6 (web profile) and would like to control the ordering of my servlet request listeners. I did that before through the XML ordering by listing the listeners in a particular order. Now, I have placed the @WebListener annotation on the classes which are listeners and am trying to figure out how to order the listeners such that they work properly. One must run before another one, otherwise, it won't have the information it needs and won't work. Also, it doesn't seem my listeners are actually being invoked even though they're marked with @WebListener. I am running embedded glassfish 3.0. Another question that is somewhat related - ServletRequestListeners in Java EE 6 by default are still synchronous meaning they're hit first, then servlet filters, right? ServletRequestListeners are not asynchronous where they merely get notified of an event without interrupting the execution? Walter

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• App engine datastore - query on Enum fields.

  - by Gopi

  I am using GAE(Java) with JDO for persistence. I have an entity with a Enum field which is marked as @Persistent and gets saved correctly into the datastore (As observed from the Datastore viewer in Development Console). But when I query these entities putting a filter based on the Enum value, it is always returning me all the entities whatever value I specify for the enum field. I know GAE java supports enums being persisted just like basic datatypes. But does it also allow retrieving/querying based on them? Google search could not point me to any such example code. Details: I have printed the Query just before being executed. So in two cases the query looks like - SELECT FROM com.xxx.yyy.User WHERE role == super ORDER BY key desc RANGE 0,50 SELECT FROM com.xxx.yyy.User WHERE role == admin ORDER BY key desc RANGE 0,50 Both above queries return me all the User entities from datastore in spite of datastore viewer showing some Users are of type 'admin' and some are of type 'super'.

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• C++: Dependency injection, circular dependency and callbacks

  - by Jonathan

  Consider the (highly simplified) following case: class Dispatcher { public: receive() {/*implementation*/}; // callback } class CommInterface { public: send() = 0; // call } class CommA : public CommInterface { public: send() {/*implementation*/}; } Various classes in the system send messages via the dispatcher. The dispatcher uses a comm to send. Once an answer is returned, the comm relays it back to the dispatcher which dispatches it back to the appropriate original sender. Comm is polymorphic and which implementation to choose can be read from a settings file. Dispatcher has a dependency on the comm in order to send. Comm has a dependency on dispatcher in order to callback. Therefor there's a circular dependency here and I can't seem to implement the dependency injection principle (even after encountering this nice blog post).

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• Partner Webcast – Weblogic for Developers - 12 July 2012

  - by Thanos

  Oracle Weblogic Server is the industry’s leading application server for deploying Java EE applications with support for new features for lowering cost of operations, improving performance and enhancing scalability. But it’s also a great choice for the Java developers because of the differentiating capabilities that facilitate integration with other tools and frameworks, promote reusability and rapid redeployment of your applications. During the webinar we’re going to explore these differentiation features in more detail. Agenda: Java EE standards support in different Weblogic Server versions Weblogic  Classloading How Weblogic load the classes Filtering classloader Shared libraries Classloader Analisys Tool Spring support in Weblogic Weblogic integration with Apache Maven Advanced deployment features Fast Swap Side by Side deployment Q&A session Delivery Format This FREE online LIVE eSeminar will be delivered over the Web. Registrations received less than 24hours prior to start time may not receive confirmation to attend. Duration: 1 hour Register Now! For any questions please contact us at [email protected] Visit regularly our ISV Migration Center blog Or Follow us @oracleimc to learn more on Oracle Technologies as well as upcoming partner webcasts and events.

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• Nested queries in Arel

  - by Schrockwell

  I am attempting to nest SELECT queries in Arel and/or Active Record in Rails 3 to generate the following SQL statement. SELECT sorted.* FROM (SELECT * FROM points ORDER BY points.timestamp DESC) AS sorted GROUP BY sorted.client_id An alias for the subquery can be created by doing points = Table(:points) sorted = points.order('timestamp DESC').alias but then I'm stuck as how to pass it into the parent query (short of calling #to_sql, which sounds pretty ugly). How do you use a SELECT statement as a sub-query in Arel (or Active Record) to accomplish the above? Maybe there's an altogether different way to accomplish this query that doesn't use nested queries?

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• Multi page ordering form php or ajax

  - by Adam

  I'm looking to create a multi page ordering form the first page would contain some dropdown and text fields, the second page would contain more text fields, the third page would be an order summery with paypal payment option. I'm just wondering what the best way to create this order form is. I've used sessions in the past but never with users entering in text and picking items from drop downs, does anyone have any resources for doing this? Or does anyone know of a jquery or other ajax example or plugin I might be able to use and modify. any insight would be a big help. thanks

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• return to merchent problme in paypal.

  - by Avinash

  Hi, I am using paypal standard as my payment gateway. My problem is that, in Paypal Standard payment method, I have done my code as below: When user click on return to merchant button from paypal then user return to the site with order data , and on that page my order entry will be inserted in my DB. So my problem occur when someone pays but don't click on return to merchant link. So in this case customer gets paid, but due to no entry my DB its not working proper. Hope I am clear to all. Thanks Avinash

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• Announcement Oracle Solaris Cluster 4.1 Availability!

  - by uwes

  On 26th of October Oracle announced the availability of Oracle Solaris Cluster 4.1. Highlights include: New Oracle Solaris 10 Zone Clusters: customers can now consolidate mission critical Oracle Solaris 10 applications on Oracle Solaris 11 virtualized systems in a virtual cluster Expanded disaster recovery operations: Oracle Solaris Cluster now offers managed switchover and disaster-recovery takeover of applications and data using ZFS Storage Appliance replication services in a multi-site, multi-custer configuration Faster application recovery with improved storage failure detection and resource dependencies management New labeled security environment for mission-critical deployments in Oracle Solaris Zone Clusters with Oracle Solaris 11 Trusted Extensions Learn more about Oracle Solaris Cluster 4.1: What's New in Oracle Solaris 4.1 Oracle Solaris Cluster 4.1 FAQ Oracle.com Oracle Solaris Cluster page Oracle Technology Network Oracle Solaris Cluster page Resouces for downloading: Oracle Solaris Cluster 4.1 download or order a media kit Existing Oracle Solaris Cluster 4.0 customers can quickly and simply update by using the network based repository.   Note: This repository requires keys and certificates which can be obtained here.

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• iphone: view index

  - by Mike

  I have a view between other views, the order may vary. For example: viewA on top of viewB, on top of viewC, or in another order. Suppose I have viewA, viewB, viewC, viewD and viewE A is on the top and E on the bottom. I need to replace viewC with viewZ, but I need to insert viewZ in the same index of viewC. How do I know, before removing viewC, what index it has, so I can insert viewZ using [self.view insertSubview:viewZ atIndex:?????) and it will be at the same level? thanks for any help.

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• A deque based on binary trees

  - by Greg Ros

  This is a simple immutable deque based on binary trees. What do you think about it? Does this kind of data structure, or possibly an improvement thereof, seem useful? How could I improve it, preferably without getting rid of its strengths? (Not in the sense of more operations, in the sense of different design) Does this sort of thing have a name? Red nodes are newly instantiated; blue ones are reused. Nodes aren't actually red or anything, it's just for emphasis.

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• SQL orderby / case issue: orderdirection fail

  - by Joris

  I got a stored procedure that delivers a table of students, and it needs to order by surname, name etc... it also needs to sort ascending, descending, depending on the parameter @orderby... code: ORDER BY CASE WHEN @orderby = 'studentkey' THEN Studentkey END ASC, CASE WHEN @orderby = 'studentkey' and @desc = 1 THEN Studentkey END DESC, CASE WHEN @orderby = 'initials' THEN Initials END ASC, CASE WHEN @orderby = 'initials' and @desc = 1 THEN Initials END DESC, CASE WHEN @orderby = 'firstname' THEN Firstname END ASC, CASE WHEN @orderby = 'firstname' and @desc = 1 THEN Firstname END DESC, CASE WHEN @orderby = 'nickname' THEN Nickname END ASC, CASE WHEN @orderby = 'nickname' and @desc = 1 THEN Nickname END DESC, CASE WHEN @orderby = 'insertion' THEN Insertion END ASC, CASE WHEN @orderby = 'insertion' and @desc = 1 THEN Insertion END DESC, CASE WHEN @orderby = 'surname' THEN Surname END ASC, CASE WHEN @orderby = 'surname' and @desc = 1 THEN Surname END DESC NED There is a difference in output between @desc = 1 and @desc = 0, but not what i desire... Does anyone have a solution?

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• Mysql query problem....

  - by Avinash

  I have below values in my database. been Lorem Ipsum and scrambled ever scrambledtexttextofandtooktooktypetexthastheunknownspecimenstandardsincetypesett Here is my query: SELECT nBusinessAdID, MATCH (`sHeadline`) AGAINST ("text" IN BOOLEAN MODE) AS score FROM wiki_businessads WHERE MATCH (`sHeadline`) AGAINST ("text" IN BOOLEAN MODE) AND bDeleted ="0" AND nAdStatus ="1" ORDER BY score DESC, bPrimeListing DESC, dDateCreated DESC It's not fetching first result, why? It should fetch first result because its contain text word in it. I have disabled the stopword filtering. This one is also not working SELECT nBusinessAdID, MATCH (`sHeadline`) AGAINST ('"text"' IN BOOLEAN MODE) AS score FROM wiki_businessads WHERE MATCH (`sHeadline`) AGAINST ('"text"' IN BOOLEAN MODE) AND bDeleted ="0" AND nAdStatus ="1" ORDER BY score DESC, bPrimeListing DESC, dDateCreated DESC Thanks Avinash

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• Ubuntu 11.10 with KDE installed does not prompt for elevation for privileged ops in all apps

  - by Michael Goldshteyn

  I installed the KDE window manager on top of Ubuntu 11.10 and while I am using KDE, I do not get an elevation dialog when I try to perform tasks that require root privileges. Instead, the operations silently fail, unless I launch apps from a terminal, in which case I get errors like: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 649, in on_isv_source_toggled self.backend.ToggleSourceUse(str(source_entry)) File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 143, in __call__ **keywords) File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 630, in call_blocking message, timeout) dbus.exceptions.DBusException: com.ubuntu.SoftwareProperties.PermissionDeniedByPolicy: com.ubuntu.softwareproperties.applychanges Or from the muon package manager, an error dialog such as: Does anyone know what I need to do to fix this, so that I get a proper dialog asking for elevation? Otherwise, I have to start each app that may need root privs with sudo from a terminal or gksudo. Thanks

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• Rows dropping when I try to join data from two tables

  - by blcArmadillo

  I have a fairly simple query I'm try to write. If I run the following query: SELECT parts.id, parts.type_id FROM parts WHERE parts.type_id=1 OR parts.type_id=2 OR parts.type_id=4 ORDER BY parts.type_id; I get all the rows I expect to be returned. Now when I try to grab the parent_unit from another table with the following query six rows suddenly drop out of the result: SELECT parts.id, parts.type_id, sp.parent_unit FROM parts, serialized_parts sp WHERE (parts.type_id=1 OR parts.type_id=2 OR parts.type_id=4) AND sp.parts_id = parts.id ORDER BY parts.type_id In the past I've never really dealt with ORs in my queries so maybe I'm just doing it wrong. That said I'm guessing it's just a simple mistake. Let me know if you need sample data and I'll post some. Thanks.

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• Need to upload files to google docs from my application and store reference to the uploaded file...

  - by Ali

  Hi guys - I'm working on a basic google applications based system. Like I earlier defined I'm building a simple ordering system and to each order placed I attach a file or document. I would like to be able to set it such that whatever file I upload is uploaded into google docs and I somehow am able to maintain a reference to that file from my own application i.e these files are concerned with such and such order. My application is google application based hopefully and I'm building it to be such for later on deployment into the cloud. How do I start on this and what do I need to do? Are there already working widgets I can use and apply or would I need to create my own customised solution for this? I'm working in Php MySQL.

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• How do I sort a hash table in javascript?

  - by Colen

  I have a javascript hash table, like so: var things = [ ]; things["hello"] = {"name" : "zzz I fell asleep", "number" : 7}; things["one"] = {"name" : "something", "number" : 18}; things["two"] = {"name" : "another thing", "number" : -2}; I want to sort these into order by name, so if I iterate through the hash table it will go in order another thing something zzz I fell asleep I tried doing this: function compareThings(thing1, thing2) { var name1 = thing1["name"].toLowerCase(); var name2 = thing2["name"].toLowerCase(); if (name1 < name2) { return -1; } if (name1 > name2) { return 1; } return 0; } things.sort(compareThings); But it doesn't seem to work. Edit: it occurs to me that perhaps a sorted hash table is an oxymoron. If so, what's the best way to get access to a sorted list of the things here?

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• ruby on rails, searchlogic and refactoring

  - by JohnMerlino

  Hey all, I'mt not too familiar with searchlogic plugin for rails (I did view the railscasts but wasn't helpful in relation to the specific code below). Can anyone briefly describe how it is being used in the three methods below? Thanks for any response. def extract_order @order_by = if params[:order].present? field = params[:order].gsub(".", "_") field = field.starts_with?('-') ? 'descend_by_'+field[1..-1] : 'ascend_by_'+field field.to_sym else # Workaround 'searchlogic'.to_sym end end def find_resources @search_conditions = params[:search_conditions] || {} # See http://www.binarylogic.com/2008/11/30/searchlogic-1-5-7-complex-searching-no-longer-a-problem/ @resources = @resource_model.send(@order_by).searchlogic(:conditions => @search_conditions) end def apply_filters f = filter_by f.each do |filter_field| filter_constraints = params[filter_field.to_sym] if filter_constraints.present? # Apply searchlogic's scope @resources.send(filter_field,filter_constraints) end end end

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• Impact of Truncate or Drop Table When Flashback Database is Enabled

  - by alejandro.vargas

  Recently I was working on a VLDB on the implementation of a disaster recovery environment configured with data guard physical standby and fast start failover. One of the questions that come up was about the overhead of truncating and dropping tables. There are daily jobs on the database that truncate extremely large partitions, and as note 565535.1 explains, we knew there is an overhead for these operations. But the information on the note was not clear enough, we the additional information I've got from Senior Oracle colleagues I did compile this document "Impact of Truncate or Drop Table When Flashback Database is Enabled" that further explain the case

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• Fresh install 12.04 Performance & Stability: SONY VPCCW2S1E

  - by George Katsanos

  just yesterday I installed 12.04. Is it normal that installing a package (Chrome for example) takes 5 to 10 minutes (compared to Windows 7 for example which takes 2 or 3)? (with end result: installation failed) Otherwise is it normal that while the system is doing some installation,extracting packs and so on, other applications often become unresponsive? Sidenote: I don't care about fancy desktop effects, I installed ubuntu to go on and experiment with web servers, memcache, Varnish and git/svn. So basically I plan to do lots of console-only operations. My surprise was also the difference of stability compared to an old FreeBSD installation I had on a dinosaur P3 550Mhz :) (I am on a SONY VPCCW2S1E) (I guess it might have to do something with my problems?)

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• Need Help With Finding SEO Company/Individual

  - by three3

  Hi everyone, I am fairly new to SEO and I have done all of the tactics and operations that I know to do to help my site rank to the number 1 spot on Google. I know that no one can guarantee the number 1 spot on Google or on any other search engine but I cannot even seem to get my website to the first page of Google's search results. My company is looking to hire a company or individual to work on our SEO. Does anyone here know of an SEO company or individual that has had good results in the past with getting a website to the front of Google, and preferably to the number 1 spot on Google? We are willing to pay a large sum of money for our keywords to rank on the front of Google search results. Any suggestions are welcome. Thanks John

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• problem with filtering the dropdownlist in scroll window

  - by Rahul

  Hi all, Problem with filtering Dropdown list. The scenario is : in scroll window there are two fields Document types and type id: Document type is Dropdown list: As per document type selection type id look should display the values. For ex. If I select quote type from document type and if I open type id look up it should display only quotation in the look window. It should work for all the values of document type drop down list values. Its working fine. The item in the document types are: Quote, Order, Invoice, Return, BackOrder. The problem is after saving the data when I am displaying the same record in scroll window, suppose after displaying document type is QUOTE and document id is QTOARD, and in this position I am changing the document type from dropdown QUOTE to ORDER at this time warning message should c ome this range entered is in valid. Because in database table there is no document QTOARD for ORDER type. The same should work for all the condition. The table name is SOP_ID_Setp and key is SOP Type and DocumentID. For that I have written the Stored procedure : create procedure DocTypeFilter @DocumentType as int, @DocumentID as varchar(30) as --declare --@documentype int, --@documentID varchar(30), select * from sop40200 where soptype=@DocumentType and docid=@DocumentID and I have called this SP in Dropdownlist change event. local long retcode; range clear table SOP_ID_SETP; clear field 'SOP Type' of table SOP_ID_SETP; clear field 'Document ID' of table SOP_ID_SETP; range start table SOP_ID_SETP; fill field 'SOP Type' of table SOP_ID_SETP; fill field 'Document ID' of table SOP_ID_SETP; range end table SOP_ID_SETP; if err()=OKAY then call DocTypeFilter,retcode,'Document Type' of window 'Is_Document Type Site_Scroll','Document ID' of window 'Is_Document Type Site_Scroll'; else warning "The range entered is invalid"; clear window 'Is_Document Type Site_Scroll'; fill window 'Is_Document Type Site_Scroll' table is_sop_site_line_temp; end if; Above code not giving the expected output any help pls.

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