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• Erlang - list comprehensions - populating records

  - by tbikeev

  I have a simple record structure consisting of a header (H) and a list of the data lines (D) 1:N. All header lines must start with a digit. All data lines have a leading whitespace. There also might be some empty lines (E) in between that must be ignored. L = [H, D, D, E, H, D, E, H, D, D, D]. I would like to create a list of records: -record(posting,{header,data}). using list comprehension. Whats the best way to do it?

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• Should I be using libraries if I'm trying to learn how to program?

  - by CodeJustin.com

  I have been programming "a lot" in the past few months and at first I was trying to find the "easyest" language. Fortunately I realized that it's not about the language, it's about learning HOW to code. I ran into the Stanford lectures online (programming methodology) and I watched them all (around 23 hours total) awhile ago. Then I got into Java ME and programmed about 28.47% of a mobile RPG game (only around 2k lines of code). I feel like I learned a lot from those two experiences compared to previous ones but now that I'm moving into flash/actionscript 3.0 development and I'm finding myself learning like I did when I first started with PHP. I'm not really getting whats under the hood kind of. I'm finding myself using libraries to speed up development time which doesn't seem like a bad thing BUT I personally do not know how to write the libraries myself off hand. So should I be coding everything myself or is it ok to use libraries when you don't even know how to code them?

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• Python finding n consecutive numbers in a list

  - by lost_in_code

  I want to know how to find if there is a certain amount of consecutive numbers in a row in my list e.g. For example if I am looking for two 1's then: list = [1, 1, 1, 4, 6] #original list list = ["true", "true", 1, 4, 6] #after my function has been through the list. If I am looking for three 1's then: list = [1, 1, 1, 4, 6] #original list list = ["true", "true", "true", 4, 6] #after my function has been through the list. I have tried: list = [1, 1, 2, 1] 1,1,1 in list #typed into shell, returns "(1, 1, True)" Any help would be greatly appreciated, I mainly would like to understand whats going on, and how to check if the next element in the list is the same as the first x amount.

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• How to get line count from variable (from MYSQL query)?

  - by Mint

  My problematic code: testMYSQL=`mysql -u $mysqlUser -p$mysqlPass -h $mysqlHost --skip-column-names --batch -D $mysqlDB -e "SELECT $select FROM $mysqlTable WHERE nameTXT='test';"` $testMYSQL now contains: test test test Then I do: TEST=$(echo $testMYSQL | wc -l) echo "$TEST" I would of thought that would work, but it doesn't, it returns 1 But if I put this into $testMYSQL: "test\ntest\ntest" it will say 3… Whats going on here? does MYSQL not use new lines? PS, I know I can use a for loop to loop though the lines then count up the lines that way, but I was hoping for a simpler solution like wc

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• Use of 'standalone parentheses'

  - by zaf

  I just answered a question where I advised removing parentheses around a statement and was asked why, to which I had no answer when I realised that it caused no errors/warnings. I could only cite bad practice. But maybe I'm the one missing something... I did my own tests: (print('!')); // Outputs '!' ((print('!!'))); // Outputs '!!' (1); // No output (qwerty); // No output (1==2); // No output (1=2); // Syntax error // etc... Can someone shed some light on whats going on and of what use are 'standalone parentheses'?

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• Rails 3 - Ideal way to set title of pages

  - by akfalcon

  Whats the proper way to set the page title in rails 3. Currently I'm doing the following: app/views/layouts/application.html .... <%= render_title % <%= csrf_meta_tag % .... app/helpers/application_helper.rb ... def render_title return @title if defined?(@title) "Generic Page Title" end ... app/controllers/some_controller.rb ... def show @title = "some custom page title" ... end ... Is there another/better way of doing the above?

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• String comparison in Java

  - by Kliver Max

  I want to compare two strings using Java. First sting name i get from .mif file using GDAL in cp1251 encoding. Second kadname i get from jsp. To compare i do this: if (attrValue instanceof String) { String string3 = new String((attrValue.toString()).getBytes("ISO-8859-1"), "cp1251"); dbFeature.setAttribute(name, string3); System.out.println("Name=" + name); System.out.println("kadname=" + kadname); if (name.equalsIgnoreCase(kadname)) { kadnum = string3; System.out.println("string3" + string3); } } And in console i get this: Name = kadnumm kadname = kadnumm Whats wrong with this?

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• mysql result for pagination

  - by Reteras Remus

  The query is: SELECT * FROM `news` ORDER BY `id` LIMIT ($curr_page * 5), ( ($curr_page * 5) + 5 ) Where $curr_page is a php variable which is getting a value from $_GET['page'] I want to make a pagination (5 news on each page), but I don't know why the mysql is returning me extra values. On the first page the result ok: $curr_page = 0 The query would be: SELECT * FROM `news` ORDER BY `id` LIMIT 0, 5 But on the second page, the result from the query is adding extra news, 10 instead of 5. The query on the second page: SELECT * FROM `news` ORDER BY `id` LIMIT 5, 10 Whats wrong? Why the result has 10 values instead of 5? Thank you!

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• Django Project Done and Working. Now What?

  - by Rodrogo

  Hi, I just finished what I would call a small django project and pretty soon it's going live. It's only 6 models but a fairly complex view layer and a lot of records saving and retrieving. Of course, forgetting the obvious huge amount of bugs that will, probably, fill my inbox to the top, what would it be the next step towards a website with best performance. What could be tweaked? I'm using jmeter a lot recently and feel confident that I have a good baseline for future performance comparisons, but the thing is: I'm not sure what is the best start, since I'm a greedy bastard that wants to work the least possible and gather the best results. For instance, should I try an approach towards infrastructure, like a distributed database, or should I go with the code itself and in that case, is there something that specifically results in better performance? In your experience, whats pays off more? Personal anecdotes are welcome, but some fact based opinions are even more. :) Thanks very much.

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• mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in

  - by user2533440

  I cannot figure out whats wrong with this code. Every time i try to run this file I get error mysql_fetch_assoc() expects parameter 1 to be resource <?php $q = "select * from tbfood"; $rs = mysql_query($q); while($msg = mysql_fetch_assoc($rs)){ echo "<p>".$msg["name"]."</p>"; echo "<p>".$msg["price"]."</p>"; if ($msg['idDruh'] == 1) { echo "string1"; } elseif ($msg['idDruh'] == 2) { echo "string2"; } elseif ($msg['idDruh'] == 3) { echo "string3"; } elseif ($msg['idDruh'] == 4) { echo "string4"; } elseif ($msg['idDruh'] == 5) { echo "string5"; } elseif ($msg['idDruh'] == 6) { echo "string6"; } elseif ($msg['idDruh'] == 7) { echo "string7"; } } ?>

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• How do they read clusters/cylinders/sectors from the disk?

  - by claws

  Hello, I needed to recover the partition table I deleted accidentally. I used an application named TestDisk. Its simply mind blowing. I reads each cylinder from the disk. I've seen similar such applications which work with MBR & partitioning. I'm curious. How do they read clusters/cylinders/sectors from the disk? Is it again OS dependent? If so whats the way to for Linux & for windows?

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• Javascript function not working with an array

  - by Ryan Harvie

  Hi, i have this function which loops through an array of check boxes checking if the boxes value is equal to something in a text box, i dont know whats wrong. function checkValue(contain) { var boxes = document.getElementsByTagName("input"); for (var i = 0; i < boxes.length; i++) { if (boxes[i].name == "vote[]") { if (boxes[i].value.indexOf(contain.value) != -1) { boxes[i].checked = true; } } } } and this is how i call it OnClick="uncheckAll(); checkValue(document.getElementsByName("countrylist"));" this code is in side a echo in php which is like this echo ' ';

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• Best way to ignore less specific click event with jquery?

  - by acidzombie24

  I have the code below. The main code is in the 2nd function however the first is called which is interfering with the more specific a.One code. Whats the best way to not run code in the first function if the div i click is a .main .a.One event? $('.main .a').live('click', function () { alert('first'); //2 lines of code }); $('.main .a.One').live('click', function () { alert('second'); //lots of logic });

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• Multiple &(AND) fails in query

  - by N e w B e e

  here is my query $sql = 'SELECT * FROM Orders INNER JOIN [Order Details] ON Orders.OrderNumber = [Order Details].OrderNumber WHERE Orders.CartID =2 AND [Order Details].Option10 Is Null AND [Order Details].Status="Shipped"'; this queries when entered in MS_Access sql view, returns the correct results, but when I copy and paste the same query in my php script, it fails and gives the error Too few parameters, expected 1... although data is there, query is working in access... Please note if I omitted on AND condition, it works eg if I removed shipped conidtion or is null condition, it works then too.. any hint? whats wrong with it?? any help?thanks

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• Filtering across two ManyToMany fields

  - by KVISH

  I have a User model and an Event model. I have the following for both: class Event(models.Model): ... timestamp = models.DateTimeField() organization_map = models.ManyToManyField(Organization) class User(AuthUser): ... subscribed_orgs = models.ManyToManyField('Organization') I want to find all events that were created in a certain timeframe and find the users who are subscribed to those organizations. I know how to write SQL for this (it's very easy), but whats the pythonic way of doing this using Django ORM? I'm trying as per below: orgs = Organization.objects.all() events = Event.objects.filter(timestamp__gt=min_time) # Min time is the time I want to start from events = events.filter(organization_map__in=orgs) But from there, how do I map to users who have that organization as a subscription? I'm trying to map it like so: users = User.objects.filter(subscribed_orgs__in=...

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• How do i use SQL Server 2008? With Visual Studios?

  - by acidzombie24

  Its a two part question. How do i use SQL Server 2008? With Visual Studios? I started up a dummy project and with server explorer i tried with create new sql server database and add connection using my computer name (it came from a dropdown) as the server location. When i tried to create the database 'TestDB1' i got an error. I dont understand why. Its a fresh install and i have restarted the comp a few times since then. I havent messed with visual studios or the servers or even the control options to disable anything that would have been automatic. So whats with this? -edit- My goals are 1) create a database. 2) Be able to see all the database that exist on the server 3) execute sql queries in the ide 4) be able to browse tables. I dont need all of these but as many possible would be nice.

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• What is the easiest way to set the value of an entire array?

  - by Alex

  My current project requires me to fill an array based upon some other values. I know there's the shortcut: int arr[4][4] = { {0,0,0,0} , {0,0,0,0} , {0,0,0,0} , {0,0,0,0} }; But in this case, I need to fill the array after its declaration. I currently have my code formatted like this: int arr[4][4]; if(someothervariable == 1){ arr = { {1,1,1,1}, {1,2,3,4}, {2,,3,4,5}, {3,4,5,6} }; } But it won't compile. Is there a way to make use of the mentioned shortcut in my case? If not, whats the best fix available? I'd appreciate a way to set it without explicitly assigning each element? ie: arr[0][0] = ...

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• How to store and retrieve file in mongoengine?

  - by Seiverence

  I am attempting to store and retrieve file within mongodb, but am having issues with the retrieval. class Animal(Document): genus = StringField() family = StringField() photo = FileField() def get_file(): marmot = Animal.objects(genus='Marmota').first() photo = marmot.photo.read() content_type = marmot.photo.content_type print marmot.family # Prints out "Sciuridae" print content_type # Gives me an error, as content_type is "None" def save_file(): marmot = Animal( genus='Marmota', family='Sciuridae') marmot_photo = open('marmot.jpg', 'r') marmot.photo = marmot_photo marmot.photo.content_type = 'image/jpeg' marmot.save() When I check mongodb, it appears the document does save after the save_file, but when I call get_file, it appears the content_type is "None"? Am I saving and retrieving the file correctly? If not, whats wrong with the code? NOTE: The issue appears only to occur in the Windows environment. When run on linux, it works fine... very confused.

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• Create div tag template and reuse

  - by user1683645

  Is it possible to create a template e.g with lots of other elements inside it with proper attribute "tagging" and reuse it with jquery? For instance when you want to display user submitted comments without refreshing the page. The reason I ask this is because the code between the div tags are rather long. So using for instance prepend() would be to long to rewrite. Whats the best approach for larger manipulations? Create a separate html? Im pretty new to manipulation, but since I have a programming background i would expect that there is an efficient way to reuse already existing HTML instead of redefining it in jquery.

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• Reversing linked list C

  - by user2976389

  node *rever(node *root) { node *prev = NULL; node *xnew = NULL; while (root != NULL) { xnew = malloc(sizeof(root)); xnew->value = root->value; xnew->next = prev; prev = xnew; root = root->next; } return xnew; } Hello I wrote this linked list reverse function. However it doesn't work(empty response): I suspect it's because of prev index getting overwritten. Could someone explain me whats going on? I know I could find working code on the internet but I wanna know what am I doing wrong. Thanks

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• Android search list, String

  - by NightSky

  Hey guys what is the best way to search through my list of objects, they return a few strings, last name and first name for example. Here how i'm currently searching but my search needs to match the entire string which I don't want. The search needs it to match part of the string like our contacts list on our phone and ignore the case. if (searchQ.equalsIgnoreCase(child.first_name)) { addChildToList(child); } Ive tried contains and starts with for example, they did not work. Whats going on? Thanks! Cheers!

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• Looking For iPhone 4S Alternatives? Here Are 3 Smartphones You Should Consider

  - by Gopinath

  If you going to buy iPhone 4S on a two year contract in USA, Europe or Australia you may not find it expensive. But if you are planning to buy it in any other parts of the world, you will definitely feel the heat of ridiculous iPhone 4S price. In India iPhone 4S costs approximately costs $1000 which is 30% more than the price tag of an unlocked iPhone sold in USA. Personally I love iPhones as there is no match for the user experience provided by Apple as well as the wide range of really meaning applications available for iPhone. But it breaks heart to spend $1000 for a phone and I’m forced to look at alternates available in the market. Here are the four iPhone 4S alternates available in almost all the countries where we can buy iPhone 4S Google Galaxy Nexus The Galaxy Nexus is Google’s own Android smartphone manufactured by Samsung and sold under the brand name of Google Nexus. Galaxy Nexus is the pure Android phone available in the market without any bloat software or custom user interfaces like other Androids available in the market. Galaxy Nexus is also the first Android phone to be shipped with the latest version of Android OS, Ice Cream Sandwich. This phone is the benchmark for the rest of Android phones that are going to enter the market soon. In the words of Google this smartphone is called as “Galaxy Nexus: Simple. Beautiful. Beyond Smart.”.  BGR review summarizes the phone as This is almost comical at this point, but the Samsung Galaxy Nexus is my favourite Android device in the world. Easily replacing the HTC Rezound, the Motorola DROID RAZR, and Samsung Galaxy S II, the Galaxy Nexus champions in a brand new version of Android that pushes itself further than almost any other mobile OS in the industry. Samsung Galaxy S II The one single company that is able to sell more smartphones than Apple is Samsung. Samsung recently displaced Apple from the top smartphone seller spot and occupied it with loads of pride. Samsung’s Galaxy S II fits as one the best alternatives to Apple’s iPhone 4S with it’s beautiful design and remarkable performance. Engadget summarizes Samsung Galaxy S2 review as It’s the best Android smartphone yet, but more importantly, it might well be the best smartphone, period. Of course, a 4.3-inch screen size won’t suit everyone, no matter how stupendously thin the device that carries it may be, and we also can’t say for sure that the Galaxy S II would justify a long-term iOS user foresaking his investment into one ecosystem and making the leap to another. Nonetheless, if you’re asking us what smartphone to buy today, unconstrained by such externalities, the Galaxy S II would be the clear choice. Sometimes it’s just as simple as that. Nokia Lumia 800 Here comes unexpected Windows Phone in to the boxing ring. May be they are not as great as Androids available in the market today, but they are picking up very quickly. Especially the Nokia Lumia 800 seems to be first ever Windows Phone 7 aimed at competing serious with Androids and iPhones available in the market. There are reports that Nokia Lumia 800 is outselling all Androids in UK and few high profile tech blogs are calling it as the king of Windows Phone. Considering this phone while evaluating the alternative of iPhone 4S will not disappoint you. We assure. Droid RAZR Remember the Motorola Driod that swept entire Android market share couple of years ago? The first two version of Motorola Droids were the best in the market and they out performed almost every other Android phone those days. The invasion of Samsung Androids, Motorola lost it charm. With the recent release of Droid RAZR, Motorola seems to be in the right direction to reclaiming the prestige. Droid RAZR is the thinnest smartphone available in the market and it’s beauty is not just skin deep. Here is a review of the phone from Engadget blog the RAZR’s beauty is not only skin deep. The LTE radio, 1.2GHz dual-core processor and 1GB of RAM make sure this sleek number is ready to run with the big boys. It kept pace with, and in some cases clearly outclassed its high-end competition. Despite its deficiencies in the display department and underwhelming battery life, the RAZR looks to be a perfectly viable alternative when considering the similarly-pricey Rezound and Galaxy Nexus Further Reading So we have seen the four alternates of iPhone 4S available in the market and I personally love to buy a Samsung smartphone if I’m don’t have money to afford an iPhone 4S. If you are interested in deep diving into the alternates, here few links that help you do more research Apple iPhone 4S vs. Samsung Galaxy Nexus vs. Motorola Droid RAZR: How Their Specs Compare by Huffington Post Nokia Lumia 800 vs. iPhone 4S vs. Nexus Galaxy: Spec Smackdown by PC World Browser Speed Test: Nokia Lumia 800 vs. iPhone 4S vs. Samsung Galaxy S II – by Gizmodo iPhone 4S vs Samsung Galaxy S II by pocket lint Apple iPhone 4S vs. Samsung Galaxy S II by techie buzz This article titled,Looking For iPhone 4S Alternatives? Here Are 3 Smartphones You Should Consider, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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• Oracle Enterprise Manager Ops Center 12c : Enterprise Controller High Availability (EC HA)

  - by Anand Akela

  Contributed by Mahesh sharma, Oracle Enterprise Manager Ops Center team In Oracle Enterprise Manager Ops Center 12c we introduced a new feature to make the Enterprise Controllers highly available. With EC HA if the hardware crashes, or if the Enterprise Controller services and/or the remote database stop responding, then the enterprise services are immediately restarted on the other standby Enterprise Controller without administrative intervention. In today's post, I'll briefly describe EC HA, look at some of the prerequisites and then show some screen shots of how the Enterprise Controller is represented in the BUI. In my next post, I'll show you how to install the EC in a HA environment and some of the new commands. What is EC HA? Enterprise Controller High Availability (EC HA) provides an active/standby fail-over solution for two or more Ops Center Enterprise Controllers, all within an Oracle Clusterware framework. This allows EC resources to relocate to a standby if the hardware crashes, or if certain services fail. It is also possible to manually relocate the services if maintenance on the active EC is required. When the EC services are relocated to the standby, EC services are interrupted only for the period it takes for the EC services to stop on the active node and to start back up on a standby node. What are the prerequisites? To install EC in a HA framework an understanding of the prerequisites are required. There are many possibilities on how these prerequisites can be installed and configured - we will not discuss these in this post. However, best practices should be applied when installing and configuring, I would suggest that you get expert help if you are not familiar with them. Lets briefly look at each of these prerequisites in turn: Hardware : Servers are required to host the active and standby node(s). As the nodes will be in a clustered environment, they need to be the same model and configured identically. The nodes should have the same processor class, number of cores, memory, network cards, for example. Operating System : We can use Solaris 10 9/10 or higher, Solaris 11, OEL 5.5 or higher on x86 or Sparc Network : There are a number of requirements for network cards in clusterware, and cables should be networked identically on all the nodes. We must also consider IP allocation for public / private and Virtual IP's (VIP's). Storage : Shared storage will be required for the cluster voting disks, Oracle Cluster Register (OCR) and the EC's libraries. Clusterware : Oracle Clusterware version 11.2.0.3 or later is required. This can be downloaded from: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html Remote Database : Oracle RDBMS 11.1.0.x or later is required. This can be downloaded from: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html For detailed information on how to install EC HA , please read : http://docs.oracle.com/cd/E27363_01/doc.121/e25140/install_config-shared.htm#OPCSO242 For detailed instructions on installing Oracle Clusterware, please read : http://docs.oracle.com/cd/E11882_01/install.112/e17214/chklist.htm#BHACBGII For detailed instructions on installing the remote Oracle database have a read of: http://www.oracle.com/technetwork/database/enterprise-edition/documentation/index.html The schematic diagram below gives a visual view of how the prerequisites are connected. When a fail-over occurs the Enterprise Controller resources and the VIP are relocated to one of the standby nodes. The standby node then becomes active and all Ops Center services are resumed. Connecting to the Enterprise Controller from your favourite browser. Let's presume we have installed and configured all the prerequisites, and installed Ops Center on the active and standby nodes. We can now connect to the active node from a browser i.e. http://<active_node1>/, this will redirect us to the virtual IP address (VIP). The VIP is the IP address that moves with the Enterprise Controller resource. Once you log on and view the assets, you will see some new symbols, these represent that the nodes are cluster members, with one being an active member and the other a standby member in this case. If you connect to the standby node, the browser will redirect you to a splash page, indicating that you have connected to the standby node. Hope you find this topic interesting. Next time I will post about how to install the Enterprise Controller in the HA frame work. Stay Connected: Twitter |  Face book |  You Tube |  Linked in |  Newsletter

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• WebLogic 12.1.2 launch webcast on-demand & WebLogic Community feedback

  - by JuergenKress

  You missed the WebLogic & Coherence & JDeveloper 12.1.2 launch Webcast? Watch it on-demand: View On-Demand Version Read the Q&A from this Webcast Special thanks for Frank Munz and Simon Haslams our WebLogic Community experts on the phone!Thanks for the community for the great twitter feedback send us your tweets @wlscommunity #WebLogicCommunity WebLogic Community Join the #WebLogic Partner Community for the latest WebLogic 12.1.2 details and upcoming trainings http://www.WeblogicCommunity.com #OracleCAF Oracle WebLogic ?Unified update, patch, install process is a key component in reducing Ops cost in #WebLogic 12c #OracleCAF WebLogic Community Demo time #WebLogic cluster creation in seconds #OracleCAF by @mike_lehmann & Will Lyons #WebLogicCommunity pic.twitter.com/gyb8YqnKco Oracle WebLogic ?Dynamic server clusters to scale apps - coming up in #WebLogic 12c launch. #OracleCAF http://pub.vitrue.com/lBmE Oracle WebLogic ?Key feature of #WebLogic 12.1.2 release: @Oracle Database 12c integration. #OracleCAF #OracleDB OTNArchBeat ?Many tech posts on #weblogic available on #oracleace Rene van Wijk's blog. #OracleCAF http://pub.vitrue.com/O9Cn Frank Munz ?Correct me if I am wrong, but this could be the first WebLogic 12.1.2 training ever: http://www.ausoug.org.au/insync13/insync13-frank-munz.html … Cloud Foundation ?.#WebLogic 12.1.2 deep dive starts NOW during #OracleCAF launch. #Coherence up next in a few minutes. http://pub.vitrue.com/HPHM Maciej Gruszka ?Watch http://www.youtube.com/watch?v=KiCoO_QGBsU&feature=c4-overview&list=UUrEIV9YO17leE9aJWamKEPw … at #WebLogic channel with @dave_cabelus about Elastic JMS Oracle WebLogic ?Pick up the new book by @frankmunz on WLS 12c http://amzn.to/1ceppgZ #WebLogic #OracleCAF OTNArchBeat ?@OTNArchBeat 31 Jul @frankmunz 's #WebLogic YouTube channel >> watch and learn #OracleCAF http://pub.vitrue.com/B4IM WebLogic Community ?@frankmunz WebLogic expert build elastic clouds with #WebLogic http://www.munzandmore.com/blog #OracleCAF #WebLogicCommunity pic.twitter.com/UK5UKjXUVl OTNArchBeat @frankmunz 's blog, covering #weblog #cloud and more #OracleCAF http://pub.vitrue.com/N8ST OTNArchBeat ?oracladmin: @simon_haslam 's Oracle Fusion Middleware blog #OracleCAF #oracleace http://pub.vitrue.com/cwGx Yuri Grinshteyn ?Coherence uses WLS tooling, including deployment, and can be part of the WLS cluster. Well done there. #OracleCAF Maciej Gruszka ?#Coherence 12.1.2 auto updates data grid on changes inside DB thru #GoldenGate HotCache - another cool feature of #OracleCAF Oracle WebLogic ?From #OracleCAF launch: Tight integration tween WLS, #Coherence and #OracleDB. Dynamic clusters, OSS support & more http://pub.vitrue.com/3NL9 OTNArchBeat ?25 recent no-fluff technical articles on Oracle WebLogic #OracleCAF http://pub.vitrue.com/FEG5 Maciej Gruszka ?@dave_cabelus Elastic JMS is my favourite capability of #WebLogic 12.1.2 WebLogic Community ?Dynamic WebLogic Clustering COOL - what is Wour favorite 12.1.2 feature? #OracleCAF #WebLogicCommunity pic.twitter.com/T8lvDMJ1U0 WebLogic Community ?What is the coolest #WebLogic 12.1.2 feature? Let us know @wlscommunity http://weblogiccommunity.com/2013/07/30/launch-webcast-weblogic-coherence-jdeveloper-adf-12-1-2-00-july-31st-2013/ … #WebLogicCommunity Simon Haslam ?I'm speaking(!) on the panel session with @frankmunz & Matt Rosen on the CAF/WebLogic 12.1.2 launch: 6pm UK today https://event.on24.com/eventRegistration/EventLobbyServlet?target=registration.jsp&eventid=651242&partnerref=CAF_Launch_OCOM_07312013&sourcepage=register … Markus Eisele ?#WebLogic 12.1.2 - an Important New Release for Middleware Admins http://bit.ly/1cmtqhX by @simon_haslam OracleEnterpriseMgr ?The JVM diagnostics features of #EM12c are now shown in a demo by @hawkinsg1 at the #OracleCAF launch http://bit.ly/caflaunch Shaun Smith ?Curious about the new #Coherence 12.1.2 GoldenGate HotCache feature? I explain all on youtube: http://www.youtube.com/watch?v=O0TIG3hgbg0&feature=share&list=PLxqhEJ4CA3JtQwuPS8Qmd88lGX-gsIbHV … #OracleCAF Maciej Gruszka ?Try for Yourself -- Download the products Oracle WebLogic 12.1.2: http://www.oracle.com/technetwork/middleware/fusion-middleware/downloads/index.html … Oracle Coherence 12c: http://www.oracle.com/technetwork/middleware/coherence/downloads/index.htm … WebLogic Community ?What is Your favorite feature in #WebLogic 12.1.2 ? cool stuff! #OracleCAF #WebLogicCommunity http://WeblogicCommunity.com pic.twitter.com/xjR05tiaQj We encourage you to learn more about all the products by reviewing the following resources: Try for Yourself -- Download the products Oracle WebLogic 12.1.2 Oracle Coherence 12c Enterprise Manager Developer Tools WebLogic Community blog Learn more Read the Oracle WebLogic Business Whitepaper Read the Oracle Coherence Business Whitepaper Read the Oracle WebLogic and Oracle Database Integration Whitepaper Get Training from Oracle University Check out the Oracle WebLogic YouTube Channel Check out the Oracle Coherence YouTube Channel WebLogic Partner Community Registration The Webcast is available on-demand Watch Webcast Now WebLogic Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Weblogic 12.1.2,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Upgrading SSIS Custom Components for SQL Server 2012

  Having finally got around to upgrading my custom components to SQL Server 2012, I thought I’d share some notes on the process. One of the goals was minimal duplication, so the same code files are used to build the 2008 and 2012 components, I just have a separate project file. The high level steps are listed below, followed by some more details. Create a 2012 copy of the project file Upgrade project, just open the new project file is VS2010 Change target framework to .NET 4.0 Set conditional compilation symbol for DENALI Change any conditional code, including assembly version and UI type name Edit project file to change referenced assemblies for 2012 Change target framework to .NET 4.0 Open the project properties. On the Applications page, change the Target framework to .NET Framework 4. Set conditional compilation symbol for DENALI Re-open the project properties. On the Build tab, first change the Configuration to All Configurations, then set a Conditional compilation symbol of DENALI. Change any conditional code, including assembly version and UI type name The value doesn’t have to be DENALI, it can actually be anything you like, that is just what I use. It is how I control sections of code that vary between versions. There were several API changes between 2005 and 2008, as well as interface name changes. Whilst we don’t have the same issues between 2008 and 2012, I still have some sections of code that do change such as the assembly attributes. #if DENALI [assembly: AssemblyDescription("Data Generator Source for SQL Server Integration Services 2012")] [assembly: AssemblyCopyright("Copyright © 2012 Konesans Ltd")] [assembly: AssemblyVersion("3.0.0.0")] #else [assembly: AssemblyDescription("Data Generator Source for SQL Server Integration Services 2008")] [assembly: AssemblyCopyright("Copyright © 2008 Konesans Ltd")] [assembly: AssemblyVersion("2.0.0.0")] #endif The Visual Studio editor automatically formats the code based on the current compilation symbols, hence in this case the 2008 code is grey to indicate it is disabled. As you can see in the previous example I have distinct assembly version attributes, ensuring I can run both 2008 and 2012 versions of my component side by side. For custom components with a user interface, be sure to update the UITypeName property of the DtsTask or DtsPipelineComponent attributes. As above I use the conditional compilation symbol to control the code. #if DENALI [DtsTask ( DisplayName = "File Watcher Task", Description = "File Watcher Task", IconResource = "Konesans.Dts.Tasks.FileWatcherTask.FileWatcherTask.ico", UITypeName = "Konesans.Dts.Tasks.FileWatcherTask.FileWatcherTaskUI,Konesans.Dts.Tasks.FileWatcherTask,Version=3.0.0.0,Culture=Neutral,PublicKeyToken=b2ab4a111192992b", TaskContact = "File Watcher Task; Konesans Ltd; Copyright © 2012 Konesans Ltd; http://www.konesans.com" )] #else [DtsTask ( DisplayName = "File Watcher Task", Description = "File Watcher Task", IconResource = "Konesans.Dts.Tasks.FileWatcherTask.FileWatcherTask.ico", UITypeName = "Konesans.Dts.Tasks.FileWatcherTask.FileWatcherTaskUI,Konesans.Dts.Tasks.FileWatcherTask,Version=2.0.0.0,Culture=Neutral,PublicKeyToken=b2ab4a111192992b", TaskContact = "File Watcher Task; Konesans Ltd; Copyright © 2004-2008 Konesans Ltd; http://www.konesans.com" )] #endif public sealed class FileWatcherTask: Task, IDTSComponentPersist, IDTSBreakpointSite, IDTSSuspend { // .. code goes on... } Shown below is another example I found that needed changing. I borrow one of the MS editors, and use it against a custom property, but need to ensure I reference the correct version of the MS controls assembly. This section of code is actually shared between the 2005, 2008 and 2012 versions of my component hence it has test for both DENALI and KATMAI symbols. #if DENALI const string multiLineUI = "Microsoft.DataTransformationServices.Controls.ModalMultilineStringEditor, Microsoft.DataTransformationServices.Controls, Version=11.0.00.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"; #elif KATMAI const string multiLineUI = "Microsoft.DataTransformationServices.Controls.ModalMultilineStringEditor, Microsoft.DataTransformationServices.Controls, Version=10.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"; #else const string multiLineUI = "Microsoft.DataTransformationServices.Controls.ModalMultilineStringEditor, Microsoft.DataTransformationServices.Controls, Version=9.0.242.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"; #endif // Create Match Expression parameter IDTSCustomPropertyCollection100 propertyCollection = outputColumn.CustomPropertyCollection; IDTSCustomProperty100 property = propertyCollection.New(); property = propertyCollection.New(); property.Name = MatchParams.Name; property.Description = MatchParams.Description; property.TypeConverter = typeof(MultilineStringConverter).AssemblyQualifiedName; property.UITypeEditor = multiLineUI; property.Value = MatchParams.DefaultValue; Edit project file to change referenced assemblies for 2012 We now need to edit the project file itself. Open the MyComponente2012.cproj  in you favourite text editor, and then perform a couple of find and replaces as listed below: Find Replace Comment Version=10.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91 Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91 Change the assembly references version from SQL Server 2008 to SQL Server 2012. Microsoft SQL Server\100\ Microsoft SQL Server\110\ Change any assembly reference hint path locations from from SQL Server 2008 to SQL Server 2012. If you use any Build Events during development, such as copying the component assembly to the DTS folder, or calling GACUTIL to install it into the GAC, you can also change these now. An example of my new post-build event for a pipeline component is shown below, which uses the .NET 4.0 path for GACUTIL. It also uses the 110 folder location, instead of 100 for SQL Server 2008, but that was covered the the previous find and replace. "C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\NETFX 4.0 Tools\gacutil.exe" /if "$(TargetPath)" copy "$(TargetPath)" "%ProgramFiles%\Microsoft SQL Server\110\DTS\PipelineComponents" /Y

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