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• Postfix - searching emails (logstash, greylog or other solution)

  - by Yarik Dot

  We are currently having ~100 servers and all of them are using remote syslog, so we have aggregated all logs on one server. The most questioned problem from our support team is: Has an email from .... to ... been delivered? I'd like to give to our support team access to some logging tool and some guide for searching in logs. What would you have recommended me? Or, do you know any other alternatives to test? The problem of grepping logs is that there is not sender and recipient address on one line. So I supposed, there might by some aggregation by email id.

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• Parallelism in .NET – Part 7, Some Differences between PLINQ and LINQ to Objects

  - by Reed

  In my previous post on Declarative Data Parallelism, I mentioned that PLINQ extends LINQ to Objects to support parallel operations.  Although nearly all of the same operations are supported, there are some differences between PLINQ and LINQ to Objects.  By introducing Parallelism to our declarative model, we add some extra complexity.  This, in turn, adds some extra requirements that must be addressed. In order to illustrate the main differences, and why they exist, let’s begin by discussing some differences in how the two technologies operate, and look at the underlying types involved in LINQ to Objects and PLINQ . LINQ to Objects is mainly built upon a single class: Enumerable.  The Enumerable class is a static class that defines a large set of extension methods, nearly all of which work upon an IEnumerable<T>.  Many of these methods return a new IEnumerable<T>, allowing the methods to be chained together into a fluent style interface.  This is what allows us to write statements that chain together, and lead to the nice declarative programming model of LINQ: double min = collection .Where(item => item.SomeProperty > 6 && item.SomeProperty < 24) .Min(item => item.PerformComputation()); .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } Other LINQ variants work in a similar fashion.  For example, most data-oriented LINQ providers are built upon an implementation of IQueryable<T>, which allows the database provider to turn a LINQ statement into an underlying SQL query, to be performed directly on the remote database. PLINQ is similar, but instead of being built upon the Enumerable class, most of PLINQ is built upon a new static class: ParallelEnumerable.  When using PLINQ, you typically begin with any collection which implements IEnumerable<T>, and convert it to a new type using an extension method defined on ParallelEnumerable: AsParallel().  This method takes any IEnumerable<T>, and converts it into a ParallelQuery<T>, the core class for PLINQ.  There is a similar ParallelQuery class for working with non-generic IEnumerable implementations. This brings us to our first subtle, but important difference between PLINQ and LINQ – PLINQ always works upon specific types, which must be explicitly created. Typically, the type you’ll use with PLINQ is ParallelQuery<T>, but it can sometimes be a ParallelQuery or an OrderedParallelQuery<T>.  Instead of dealing with an interface, implemented by an unknown class, we’re dealing with a specific class type.  This works seamlessly from a usage standpoint – ParallelQuery<T> implements IEnumerable<T>, so you can always “switch back” to an IEnumerable<T>.  The difference only arises at the beginning of our parallelization.  When we’re using LINQ, and we want to process a normal collection via PLINQ, we need to explicitly convert the collection into a ParallelQuery<T> by calling AsParallel().  There is an important consideration here – AsParallel() does not need to be called on your specific collection, but rather any IEnumerable<T>.  This allows you to place it anywhere in the chain of methods involved in a LINQ statement, not just at the beginning.  This can be useful if you have an operation which will not parallelize well or is not thread safe.  For example, the following is perfectly valid, and similar to our previous examples: double min = collection .AsParallel() .Select(item => item.SomeOperation()) .Where(item => item.SomeProperty > 6 && item.SomeProperty < 24) .Min(item => item.PerformComputation()); However, if SomeOperation() is not thread safe, we could just as easily do: double min = collection .Select(item => item.SomeOperation()) .AsParallel() .Where(item => item.SomeProperty > 6 && item.SomeProperty < 24) .Min(item => item.PerformComputation()); In this case, we’re using standard LINQ to Objects for the Select(…) method, then converting the results of that map routine to a ParallelQuery<T>, and processing our filter (the Where method) and our aggregation (the Min method) in parallel. PLINQ also provides us with a way to convert a ParallelQuery<T> back into a standard IEnumerable<T>, forcing sequential processing via standard LINQ to Objects.  If SomeOperation() was thread-safe, but PerformComputation() was not thread-safe, we would need to handle this by using the AsEnumerable() method: double min = collection .AsParallel() .Select(item => item.SomeOperation()) .Where(item => item.SomeProperty > 6 && item.SomeProperty < 24) .AsEnumerable() .Min(item => item.PerformComputation()); Here, we’re converting our collection into a ParallelQuery<T>, doing our map operation (the Select(…) method) and our filtering in parallel, then converting the collection back into a standard IEnumerable<T>, which causes our aggregation via Min() to be performed sequentially. This could also be written as two statements, as well, which would allow us to use the language integrated syntax for the first portion: var tempCollection = from item in collection.AsParallel() let e = item.SomeOperation() where (e.SomeProperty > 6 && e.SomeProperty < 24) select e; double min = tempCollection.AsEnumerable().Min(item => item.PerformComputation()); This allows us to use the standard LINQ style language integrated query syntax, but control whether it’s performed in parallel or serial by adding AsParallel() and AsEnumerable() appropriately. The second important difference between PLINQ and LINQ deals with order preservation.  PLINQ, by default, does not preserve the order of of source collection. This is by design.  In order to process a collection in parallel, the system needs to naturally deal with multiple elements at the same time.  Maintaining the original ordering of the sequence adds overhead, which is, in many cases, unnecessary.  Therefore, by default, the system is allowed to completely change the order of your sequence during processing.  If you are doing a standard query operation, this is usually not an issue.  However, there are times when keeping a specific ordering in place is important.  If this is required, you can explicitly request the ordering be preserved throughout all operations done on a ParallelQuery<T> by using the AsOrdered() extension method.  This will cause our sequence ordering to be preserved. For example, suppose we wanted to take a collection, perform an expensive operation which converts it to a new type, and display the first 100 elements.  In LINQ to Objects, our code might look something like: // Using IEnumerable<SourceClass> collection IEnumerable<ResultClass> results = collection .Select(e => e.CreateResult()) .Take(100); If we just converted this to a parallel query naively, like so: IEnumerable<ResultClass> results = collection .AsParallel() .Select(e => e.CreateResult()) .Take(100); We could very easily get a very different, and non-reproducable, set of results, since the ordering of elements in the input collection is not preserved.  To get the same results as our original query, we need to use: IEnumerable<ResultClass> results = collection .AsParallel() .AsOrdered() .Select(e => e.CreateResult()) .Take(100); This requests that PLINQ process our sequence in a way that verifies that our resulting collection is ordered as if it were processed serially.  This will cause our query to run slower, since there is overhead involved in maintaining the ordering.  However, in this case, it is required, since the ordering is required for correctness. PLINQ is incredibly useful.  It allows us to easily take nearly any LINQ to Objects query and run it in parallel, using the same methods and syntax we’ve used previously.  There are some important differences in operation that must be considered, however – it is not a free pass to parallelize everything.  When using PLINQ in order to parallelize your routines declaratively, the same guideline I mentioned before still applies: Parallelization is something that should be handled with care and forethought, added by design, and not just introduced casually.

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• Solaris 10 branded zone VM Templates for Solaris 11 on OTN

  - by jsavit

  Early this year I wrote the article Ours Goes To 11 which describes the ability to import Solaris 10 systems into a "Solaris 10 branded zone" under Oracle Solaris 11. I did this using Solaris 11 Express, and the capability remains in Solaris 11 with only slight changes. This important tool lets you painlessly inhaling a Solaris Container from Solaris 10 or entire Solaris 10 systems ("the global zone") into virtualized environments on a Solaris 11 OS. Just recently, Oracle provided Oracle VM Templates for Oracle Solaris 10 Zones to let you create Solaris 10 branded zones for Solaris 11 even if you don't currently have access to install media or a running Solaris 10 system. To use this, just download the Oracle VM Template for Oracle Solaris Zone 10 from OTN at http://www.oracle.com/technetwork/server-storage/solaris11/downloads/virtual-machines-1355605.html. This page contains images of Oracle Solaris 10 8/11 (the recent update to Solaris 10) in SPARC and x86 formats suitable for creating branded zones. The same page also has a VirtualBox image you can download for a complete Solaris 10 install in a guest virtual machine you can run on any host OS that supports VirtualBox. Both sets of downloads provide a quick - and extremely easy - way to set up a virtual Solaris 10 environment. In the case of the Oracle VM Templates, they illustrate several advanced features of Solaris 11. To start, just go to the above link, download the template for the hardware platform (SPARC or x86) you want, and download the README file also linked from that page. Install prerequisites The README file tells you to install the prerequisite Solaris 11 package that implements the Solaris 10 brand. Then you can install instances of zones with that brand. # pkg install pkg:/system/zones/brand/brand-solaris10 Packages to install: 1 Create boot environment: No Create backup boot environment: Yes DOWNLOAD PKGS FILES XFER (MB) Completed 1/1 44/44 0.4/0.4 PHASE ACTIONS Install Phase 74/74 PHASE ITEMS Package State Update Phase 1/1 Image State Update Phase 2/2 That took only a few minutes, and didn't require a reboot. Install the Solaris 10 zone Now it's time to run the downloaded template file. First make it executable via the chmod command, of course. I found that (unlike stated in the README) there was no need to rename the downloaded file to remove the .bin. When you run it you provide several parameters to describe the zone configuration: -a IP address - the IP address and optional netmask for the zone. This is the only mandatory parameter. -z zonename - the name of the zone you would like to create. -i interface - the package will create an exclusive-IP zone using a virtual NIC (vnic) based on this physical interface. In my case, I have a NIC called rge0. -p PATH - specifies the path in which you want the zoneroot to be placed. In my case, I have a ZFS dataset mounted at /zones, and this will create a zoneroot at /zones/s10u10. Kicking it off, you will see a copyright message, and then messages showing progress building the zone, which only takes a few minutes. # ./solaris-10u10-x86.bin -p /zones -a 192.168.1.100 -i rge0 -z s10u10 ... ... Checking disk-space for extraction Ok Extracting in /export/home/CDimages/s10zone/bootimage.ihaqvh ... 100% [===============================] Checking data integrity Ok Checking platform compatibility The host and the image do not have the same Solaris release: host Solaris release: 5.11 image Solaris release: 5.10 Will create a Solaris 10 branded zone. Warning: could not find a defaultrouter Zone won't have any defaultrouter configured IMAGE: ./solaris-10u10-x86.bin ZONE: s10u10 ZONEPATH: /zones/s10u10 INTERFACE: rge0 VNIC: vnicZBI13379 MAC ADDR: 2:8:20:5c:1a:cc IP ADDR: 192.168.1.100 NETMASK: 255.255.255.0 DEFROUTER: NONE TIMEZONE: US/Arizona Checking disk-space for installation Ok Installing in /zones/s10u10 ... 100% [===============================] Using a static exclusive-IP Attaching s10u10 Booting s10u10 Waiting for boot to complete booting... booting... booting... Zone s10u10 booted The zone's root password has been set using the root password of the local host. You can change the zone's root password to further harden the security of the zone: being root, log into the zone from the local host with the command 'zlogin s10u10'. Once logged in, change the root password with the command 'passwd'. The nifty part in my opinion (besides being so easy), is that the zone was created as an exclusive-IP zone on a virtual NIC. This network configuration lets you enforce traffic isolation from other zones, enforce network Quality of Service, and even let the zone set its own characteristics like IP address and packet size. Independence of the zone's network characteristics from the global zone is one of the enhancements in Solaris 10 that make it easier to consolidate zones while preserving their autonomy, yet provide control in a consolidated environment. Let's see what the virtual network environment looks like by issuing commands from the Solaris 11 global zone. First I'll use Old School ifconfig, and then I'll use the new ipadm and dladm commands. # ifconfig -a4 lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 rge0: flags=1004943<UP,BROADCAST,RUNNING,PROMISC,MULTICAST,DHCP,IPv4> mtu 1500 index 2 inet 192.168.1.3 netmask ffffff00 broadcast 192.168.1.255 ether 0:14:d1:18:ac:bc vboxnet0: flags=201000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,CoS> mtu 1500 index 3 inet 192.168.56.1 netmask ffffff00 broadcast 192.168.56.255 ether 8:0:27:f8:62:1c # dladm show-phys LINK MEDIA STATE SPEED DUPLEX DEVICE yge0 Ethernet unknown 0 unknown yge0 yge1 Ethernet unknown 0 unknown yge1 rge0 Ethernet up 1000 full rge0 vboxnet0 Ethernet up 1000 full vboxnet0 # dladm show-link LINK CLASS MTU STATE OVER yge0 phys 1500 unknown -- yge1 phys 1500 unknown -- rge0 phys 1500 up -- vboxnet0 phys 1500 up -- vnicZBI13379 vnic 1500 up rge0 s10u10/vnicZBI13379 vnic 1500 up rge0 s10u10/net0 vnic 1500 up rge0 # dladm show-vnic LINK OVER SPEED MACADDRESS MACADDRTYPE VID vnicZBI13379 rge0 1000 2:8:20:5c:1a:cc random 0 s10u10/vnicZBI13379 rge0 1000 2:8:20:5c:1a:cc random 0 s10u10/net0 rge0 1000 2:8:20:9d:d0:79 random 0 # ipadm show-addr ADDROBJ TYPE STATE ADDR lo0/v4 static ok 127.0.0.1/8 rge0/_a dhcp ok 192.168.1.3/24 vboxnet0/_a static ok 192.168.56.1/24 lo0/v6 static ok ::1/128 Log into the zone The install step already booted the zone, so lets log into it. Notice how you have to be appropriately privileged to log into a zone. This is my home system so I'm being a bit cavalier, but in a production environment you can give granular control of who can login to which zones. Voila! a Solaris 10 environment under a Solaris 11 kernel. Notice the output from the uname -a and ifconfig commands, and output from a ping to a nearby host. $ zlogin s10u10 zlogin: You lack sufficient privilege to run this command (all privs required) savit@home:~$ sudo zlogin s10u10 Password: [Connected to zone 's10u10' pts/5] Oracle Corporation SunOS 5.10 Generic Patch January 2005 # uname -a SunOS s10u10 5.10 Generic_Virtual i86pc i386 i86pc # ifconfig -a4 lo0: flags=2001000849 mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 vnicZBI13379: flags=1000843 mtu 1500 index 2 inet 192.168.1.100 netmask ffffff00 broadcast 192.168.1.255 ether 2:8:20:5c:1a:cc # bash bash-3.2# ifconfig -a lo0: flags=2001000849 mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 vnicZBI13379: flags=1000843 mtu 1500 index 2 inet 192.168.1.100 netmask ffffff00 broadcast 192.168.1.255 ether 2:8:20:5c:1a:cc bash-3.2# ping 192.168.1.2 192.168.1.2 is alive For fun, I configured Apache (setting its configuration file in /etc/apache2) and brought it up. Easy - took just a few minutes. bash-3.2# svcs apache2 STATE STIME FMRI disabled 12:38:46 svc:/network/http:apache2 bash-3.2# svcadm enable apache2 Summary In just a few minutes, I built a functioning virtual Solaris 10 environment under by Solaris 11 system. It was... easy! While I can still do it the manual way (creating and using a system archive), this is a low-effort way to create a Solaris 10 zone on Solaris 11.

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• OWB 11gR2 - Early Arriving Facts

  - by Dawei Sun

  A common challenge when building ETL components for a data warehouse is how to handle early arriving facts. OWB 11gR2 introduced a new feature to address this for dimensional objects entitled Orphan Management. An orphan record is one that does not have a corresponding existing parent record. Orphan management automates the process of handling source rows that do not meet the requirements necessary to form a valid dimension or cube record. In this article, a simple example will be provided to show you how to use Orphan Management in OWB. We first import a sample MDL file that contains all the objects we need. Then we take some time to examine all the objects. After that, we prepare the source data, deploy the target table and dimension/cube loading map. Finally, we run the loading maps, and check the data in target dimension/cube tables. OK, let’s start… 1. Import MDL file and examine sample project First, download zip file from here, which includes a MDL file and three source data files. Then we open OWB design center, import orphan_management.mdl by using the menu File->Import->Warehouse Builder Metadata. Now we have several objects in BI_DEMO project as below: Mapping LOAD_CHANNELS_OM: The mapping for dimension loading. Mapping LOAD_SALES_OM: The mapping for cube loading. Dimension CHANNELS_OM: The dimension that contains channels data. Cube SALES_OM: The cube that contains sales data. Table CHANNELS_OM: The star implementation table of dimension CHANNELS_OM. Table SALES_OM: The star implementation table of cube SALES_OM. Table SRC_CHANNELS: The source table of channels data, that will be loaded into dimension CHANNELS_OM. Table SRC_ORDERS and SRC_ORDER_ITEMS: The source tables of sales data that will be loaded into cube SALES_OM. Sequence CLASS_OM_DIM_SEQ: The sequence used for loading dimension CHANNELS_OM. Dimension CHANNELS_OM This dimension has a hierarchy with three levels: TOTAL, CLASS and CHANNEL. Each level has three attributes: ID (surrogate key), NAME and SOURCE_ID (business key). It has a standard star implementation. The orphan management policy and the default parent setting are shown in the following screenshots: The orphan management policy options that you can set for loading are: Reject Orphan: The record is not inserted. Default Parent: You can specify a default parent record. This default record is used as the parent record for any record that does not have an existing parent record. If the default parent record does not exist, Warehouse Builder creates the default parent record. You specify the attribute values of the default parent record at the time of defining the dimensional object. If any ancestor of the default parent does not exist, Warehouse Builder also creates this record. No Maintenance: This is the default behavior. Warehouse Builder does not actively detect, reject, or fix orphan records. While removing data from a dimension, you can select one of the following orphan management policies: Reject Removal: Warehouse Builder does not allow you to delete the record if it has existing child records. No Maintenance: This is the default behavior. Warehouse Builder does not actively detect, reject, or fix orphan records. (More details are at http://download.oracle.com/docs/cd/E11882_01/owb.112/e10935/dim_objects.htm#insertedID1) Cube SALES_OM This cube is references to dimension CHANNELS_OM. It has three measures: AMOUNT, QUANTITY and COST. The orphan management policy setting are shown as following screenshot: The orphan management policy options that you can set for loading are: No Maintenance: Warehouse Builder does not actively detect, reject, or fix orphan rows. Default Dimension Record: Warehouse Builder assigns a default dimension record for any row that has an invalid or null dimension key value. Use the Settings button to define the default parent row. Reject Orphan: Warehouse Builder does not insert the row if it does not have an existing dimension record. (More details are at http://download.oracle.com/docs/cd/E11882_01/owb.112/e10935/dim_objects.htm#BABEACDG) Mapping LOAD_CHANNELS_OM This mapping loads source data from table SRC_CHANNELS to dimension CHANNELS_OM. The operator CHANNELS_IN is bound to table SRC_CHANNELS; CHANNELS_OUT is bound to dimension CHANNELS_OM. The TOTALS operator is used for generating a constant value for the top level in the dimension. The CLASS_FILTER operator is used to filter out the “invalid” class name, so then we can see what will happen when those channel records with an “invalid” parent are loading into dimension. Some properties of the dimension operator in this mapping are important to orphan management. See the screenshot below: Create Default Level Records: If YES, then default level records will be created. This property must be set to YES for dimensions and cubes if one of their orphan management policies is “Default Parent” or “Default Dimension Record”. This property is set to NO by default, so the user may need to set this to YES manually. LOAD policy for INVALID keys/ LOAD policy for NULL keys: These two properties have the same meaning as in the dimension editor. The values are set to the same as the dimension value when user drops the dimension into the mapping. The user does not need to modify these properties. Record Error Rows: If YES, error rows will be inserted into error table when loading the dimension. REMOVE Orphan Policy: This property is used when removing data from a dimension. Since the dimension loading type is set to LOAD in this example, this property is disabled. Mapping LOAD_SALES_OM This mapping loads source data from table SRC_ORDERS and SRC_ORDER_ITEMS to cube SALES_OM. This mapping seems a little bit complicated, but operators in the red rectangle are used to filter out and generate the records with “invalid” or “null” dimension keys. Some properties of the cube operator in a mapping are important to orphan management. See the screenshot below: Enable Source Aggregation: Should be checked in this example. If the default dimension record orphan policy is set for the cube operator, then it is recommended that source aggregation also be enabled. Otherwise, the orphan management processing may produce multiple fact rows with the same default dimension references, which will cause an “unstable rowset” execution error in the database, since the dimension refs are used as update match attributes for updating the fact table. LOAD policy for INVALID keys/ LOAD policy for NULL keys: These two properties have the same meaning as in the cube editor. The values are set to the same as in the cube editor when the user drops the cube into the mapping. The user does not need to modify these properties. Record Error Rows: If YES, error rows will be inserted into error table when loading the cube. 2. Deploy objects and mappings We now can deploy the objects. First, make sure location SALES_WH_LOCAL has been correctly configured. Then open Control Center Manager by using the menu Tools->Control Center Manager. Expand BI_DEMO->SALES_WH_LOCAL, click SALES_WH node on the project tree. We can see the following objects: Deploy all the objects in the following order: Sequence CLASS_OM_DIM_SEQ Table CHANNELS_OM, SALES_OM, SRC_CHANNELS, SRC_ORDERS, SRC_ORDER_ITEMS Dimension CHANNELS_OM Cube SALES_OM Mapping LOAD_CHANNELS_OM, LOAD_SALES_OM Note that we deployed source tables as well. Normally, we import source table from database instead of deploying them to target schema. However, in this example, we designed the source tables in OWB and deployed them to database for the purpose of this demonstration. 3. Prepare and examine source data Before running the mappings, we need to populate and examine the source data first. Run SRC_CHANNELS.sql, SRC_ORDERS.sql and SRC_ORDER_ITEMS.sql as target user. Then we check the data in these three tables. Table SRC_CHANNELS SQL> select rownum, id, class, name from src_channels; Records 1~5 are correct; they should be loaded into dimension without error. Records 6,7 and 8 have null parents; they should be loaded into dimension with a default parent value, and should be inserted into error table at the same time. Records 9, 10 and 11 have “invalid” parents; they should be rejected by dimension, and inserted into error table. Table SRC_ORDERS and SRC_ORDER_ITEMS SQL> select rownum, a.id, a.channel, b.amount, b.quantity, b.cost from src_orders a, src_order_items b where a.id = b.order_id; Record 178 has null dimension reference; it should be loaded into cube with a default dimension reference, and should be inserted into error table at the same time. Record 179 has “invalid” dimension reference; it should be rejected by cube, and inserted into error table. Other records should be aggregated and loaded into cube correctly. 4. Run the mappings and examine the target data In the Control Center Manager, expand BI_DEMO-> SALES_WH_LOCAL-> SALES_WH-> Mappings, right click on LOAD_CHANNELS_OM node, click Start. Use the same way to run mapping LOAD_SALES_OM. When they successfully finished, we can check the data in target tables. Table CHANNELS_OM SQL> select rownum, total_id, total_name, total_source_id, class_id,class_name, class_source_id, channel_id, channel_name,channel_source_id from channels_om order by abs(dimension_key); Records 1,2 and 3 are the default dimension records for the three levels. Records 8, 10 and 15 are the loaded records that originally have null parents. We see their parents name (class_name) is set to DEF_CLASS_NAME. Those records whose CHANNEL_NAME are Special_4, Special_5 and Special_6 are not loaded to this table because of the invalid parent. Error Table CHANNELS_OM_ERR SQL> select rownum, class_source_id, channel_id, channel_name,channel_source_id, err$$$_error_reason from channels_om_err order by channel_name; We can see all the record with null parent or invalid parent are inserted into this error table. Error reason is “Default parent used for record” for the first three records, and “No parent found for record” for the last three. Table SALES_OM SQL> select a.*, b.channel_name from sales_om a, channels_om b where a.channels=b.channel_id; We can see the order record with null channel_name has been loaded into target table with a default channel_name. The one with “invalid” channel_name are not loaded. Error Table SALES_OM_ERR SQL> select a.amount, a.cost, a.quantity, a.channels, b.channel_name, a.err$$$_error_reason from sales_om_err a, channels_om b where a.channels=b.channel_id(+); We can see the order records with null or invalid channel_name are inserted into error table. If the dimension reference column is null, the error reason is “Default dimension record used for fact”. If it is invalid, the error reason is “Dimension record not found for fact”. Summary In summary, this article illustrated the Orphan Management feature in OWB 11gR2. Automated orphan management policies improve ETL developer and administrator productivity by addressing an important cause of cube and dimension load failures, without requiring developers to explicitly build logic to handle these orphan rows.

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• Elastic versus Distributed in caching.

  - by Mike Reys

  Until now, I hadn't heard about Elastic Caching yet. Today I read Mike Gualtieri's Blog entry. I immediately thought about Oracle Coherence and got a little scare throughout the reading. Elastic Caching is the next step after Distributed Caching. As we've always positioned Coherence as a Distributed Cache, I thought for a brief instance that Oracle had missed a new trend/technology. But then I started reading the characteristics of an Elastic Cache. Forrester definition: Software infrastructure that provides application developers with data caching services that are distributed across two or more server nodes that consistently perform as volumes grow can be scaled without downtime provide a range of fault-tolerance levels Hey wait a minute, doesn't Coherence fullfill all these requirements? Oh yes, I think it does! The next defintion in the article is about Elastic Application Platforms. This is mainly more of the same with the addition of code execution. Now there is analytics functionality in Oracle Coherence. The analytics capability provides data-centric functions like distributed aggregation, searching and sorting. Coherence also provides continuous querying and event-handling. I think that when it comes to providing an Elastic Application Platform (as in the Forrester definition), Oracle is close, nearly there. And what's more, as Elastic Platform is the next big thing towards the big C word, Oracle Coherence makes you cloud-ready ;-) There you go! Find more info on Oracle Coherence here.

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• CodePlex Daily Summary for Thursday, April 15, 2010

  CodePlex Daily Summary for Thursday, April 15, 2010New ProjectsApplication Logging Repository (ALR): The ALR is a light-weight logging framework that allows applications to log events and exceptions to a central repository.Arkane.FileProperties.DSS: Arkane.FileProperties.Dss is a library for parsing the file header of a .DSS file (as used by Olympus digital dictaphone systems) to obtain time, v...B in conTrol project: This project enables controling log-in and locking your workstation automatically, identifyng you bluetooth.DarkBook: DarkBook is a personal library project.Direct2D for Microsoft .Net: Direct2D, DirectWrite and Windows Imaging wrappers for .Net. This library allows to access Direct2D, DirectWrite and Windows Imaging Windows API f...DJ Ware: DJ Ware is an extensible music player with plugin support and innovative features to organize and explore music files. It is developed with C#, WPF...gpsMe: gpsMe is a Windows Mobile 6.x mapping solution allowing to place the user on a personnalized map. The screen requirements are VGA or WVGA but, you ...jErrorLog: jErrorLog is an error logging component for use in DotNet 2.0 or later applications. It can log error messages to any of the following: database, e...KEMET_API: Java Library (open - source). This library is a help to study egyptian hieroglyphs.Meadow: A web site project for a Swedish floorball team called Slackers. Home page built with ASP.NET 2.0, ASP.NET AJAX and SQL Server 2005.Mustang Math: Mustang Math makes it easier for young children to practice basic math facts on the computer. No keyboard or mouse required - just say the answer!...Net.Formats.oEmbed: oEmbed format implementation in c#. oEmbed is a format for allowing an embedded representation of a URL on third party sites. The simple API allows...Normlize O/R Mapper: Open source O/RM tool that participates with traditional inheritance object models as well as Hibernate/nHibernate style class shells. 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• User Guide to Dropbox Shared Folders

  - by Matthew Guay

  Dropbox is an incredibly useful tool for keeping all your files synced between your computers and the cloud.  Here we’re going to look at how you can keep all of your team on the same page with Dropbox shared folders. Creating a Shared Folder Setting up a shared folder in Dropbox is easy.  Add the files you want to share to a folder in Dropbox on your computer, then right-click in the folder, select Dropbox, and then choose Share This Folder.   Alternately, log into your Dropbox account online, click the drop-down menu beside the folder you want to share, and click Share this folder. Now, enter the email addresses of the people you want to share the folder with, and optionally enter a message explaining why you’re sharing the folder. The people you invite will receive an email inviting them to view and join the shared folder.  If they haven’t signed up for Dropbox, they can directly signup; otherwise, they can simply log into their Dropbox account and start adding or editing files. Shared folders have a slightly different icon in your Dropbox.  Notice the shared folder on the left has an icon with 2 people, while the folder on the right that is not shared, shows previews of its contents. See Your Shared Folder’s History Whenever your collaborators with your shared folders add or change files, you will see a tooltip notification telling you what changed. You can also view the changes online.  Log into your Dropbox account in your browser and select the Events tab.  This shows all changes to your Dropbox, but you can view only the changes in your shared folder by selecting its name on the left sidebar. Now you can see all recent changes to your folder, and can also see who added or removed each file.   On the bottom of the page, you can even add a comment that all the collaborators will see. If someone deleted a file you still need, you can restore it by clicking its link in this online history.  Or, you can view any deleted files by right-clicking in your Dropbox folder in Explorer.  Select Dropbox, and then click Show Deleted Files.   Get Notified When a Change is Made You’re not always in front of your computer; you’ve got a life beyond your projects, after all (at least hopefully).  If you really want to stay connected to what’s happening with your project, though, you can easily do that no matter where you are. Your shared Dropbox folder’s history page offers an RSS feed of all changes to the folder.  Click  the Subscribe to this feed hyperlink. Now, in the popup that opens, click “Copy to clipboard” so you can use this RSS feed. You can subscribe to RSS feeds through many web browsers, email clients, dedicated feed readers, and more.  In Firefox, Internet Explorer 7/8, or Opera, you can paste the feed address into your address bar and subscribe to the feed directly in your browser.   However, subscribing to the feed in a desktop application won’t help you much when you’re away from your computer.  One great option is to subscribe in the popular Google Reader.  Then you can check your feed from any browser, on any computer or mobile device. To add your Dropbox feed to Google Reader, log into Google Reader (link below), click Add a subscription on the top left, paste your RSS feed from Dropbox, and click Add.   Now you can see any changes to files or folders in Google Reader. You can even add your feed to your iGoogle homepage.  Click the Add it Now button on the right in the front page of Google Reader to add your feeds to iGoogle.   Now you can see updates on your files from your homepage.  If you’re using a different computer, just login to your Google account to see what’s happening. You can also access your Google Reader feeds from many programs and apps for most major Smartphones including iPhone, Windows Phone, and Blackberry. Receive a Tweet or Text When Changes are Made If you’re a hyper-connected individual, chances are you send and receive tweets on the go.  If so, this might be the best way for you to get notified when changes are made to your Dropbox shared folder.  To do this, first create a new Twitter account to publish your changes through.  If you don’t want the whole world to see your updates, click Settings and set your new Twitter account to Private. Once the new account is created, follow it with your normal Twitter account so you’ll see updates. Now, let’s publish our Dropbox RSS feed to Twitter.  Create an account with Twitterfeed (link below). Once your account is setup, add your feed to it.  Name your feed, and enter your Feed address from Dropbox.  Click Advanced Settings to make your feed work just like you want. In Advanced Settings, change the frequency to “Every 30 mins” to make sure you’re updated on changes as quick as possible.  You can also change other settings if you like. Click “Continue to Step 2”, and then click Twitter under the available services to add your account. Make sure your signed into your new Twitter account, and then click Authenticate Twitter. Allow the application. Now, finally, click Create Service. Whenever a change is made, you will receive a tweet via your new Twitter account.  And since you can receive tweets via text message or many mobile applications, you’ll never be very far away from your Dropbox changes!   Conclusion Dropbox shared folders are a great way to keep your whole team working together on the same files in a project.  And with these handy tricks, you can keep up with your shared files wherever you are! There are a lot of cool things you can do with Dropbox make sure to check out our posts on adding Dropbox to the Windows 7 Start menu, Accessing Dropbox files from Chrome, and Syncing your Pidgin Profile Across Multiple PCs. Links Signup or access your Dropbox account Google Reader Tweet your feed with Twitterfeed Similar Articles Productive Geek Tips How to Add and Manage Shared Folders on Windows Home ServerManage User Accounts in Windows Home ServerAdd "My Dropbox" to Your Windows 7 Start MenuComplete Guide to Networking Windows 7 with XP and VistaMoving Your Personal Data Folders in Windows Vista the Easy Way TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips DVDFab 6 Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 Office 2010 reviewed in depth by Ed Bott FoxClocks adds World Times in your Statusbar (Firefox) Have Fun Editing Photo Editing with Citrify Outlook Connector Upgrade Error Gadfly is a cool Twitter/Silverlight app Enable DreamScene in Windows 7

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• Using JDialog with Tabbed Pane to draw different pictures [migrated]

  - by Bryam Ulloa

  I am using NetBeans, and I have a class that extends to JDialog, inside that Dialog box I have created a Tabbed Pane. The Tabbed Pane contains 6 different tabs, with 6 different panels of course. What I want to do is when I click on the different tabs, a diagram is supposed to be drawn with the paint method. My question is how can I draw on the different panels with just one paint method in another class being called from the Dialog class? Here is my code for the Dialog class: package GUI; public class NewJDialog extends javax.swing.JDialog{ /** * Creates new form NewJDialog */ public NewJDialog(java.awt.Frame parent, boolean modal) { super(parent, modal); initComponents(); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() { jTabbedPane1 = new javax.swing.JTabbedPane(); jPanel1 = new javax.swing.JPanel(); jPanel2 = new javax.swing.JPanel(); jPanel3 = new javax.swing.JPanel(); jPanel4 = new javax.swing.JPanel(); jPanel5 = new javax.swing.JPanel(); jPanel6 = new javax.swing.JPanel(); jPanel7 = new javax.swing.JPanel(); jLabel1 = new javax.swing.JLabel(); jLabel2 = new javax.swing.JLabel(); setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE); javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); jPanel1.setLayout(jPanel1Layout); jPanel1Layout.setHorizontalGroup( jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 466, Short.MAX_VALUE) ); jPanel1Layout.setVerticalGroup( jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 242, Short.MAX_VALUE) ); jTabbedPane1.addTab("FCFS", jPanel1); javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2); jPanel2.setLayout(jPanel2Layout); jPanel2Layout.setHorizontalGroup( jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 466, Short.MAX_VALUE) ); jPanel2Layout.setVerticalGroup( jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 242, Short.MAX_VALUE) ); jTabbedPane1.addTab("SSTF", jPanel2); javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3); jPanel3.setLayout(jPanel3Layout); jPanel3Layout.setHorizontalGroup( jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 466, Short.MAX_VALUE) ); jPanel3Layout.setVerticalGroup( jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 242, Short.MAX_VALUE) ); jTabbedPane1.addTab("LOOK", jPanel3); javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4); jPanel4.setLayout(jPanel4Layout); jPanel4Layout.setHorizontalGroup( jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 466, Short.MAX_VALUE) ); jPanel4Layout.setVerticalGroup( jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 242, Short.MAX_VALUE) ); jTabbedPane1.addTab("LOOK C", jPanel4); javax.swing.GroupLayout jPanel5Layout = new javax.swing.GroupLayout(jPanel5); jPanel5.setLayout(jPanel5Layout); jPanel5Layout.setHorizontalGroup( jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 466, Short.MAX_VALUE) ); jPanel5Layout.setVerticalGroup( jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 242, Short.MAX_VALUE) ); jTabbedPane1.addTab("SCAN", jPanel5); javax.swing.GroupLayout jPanel6Layout = new javax.swing.GroupLayout(jPanel6); jPanel6.setLayout(jPanel6Layout); jPanel6Layout.setHorizontalGroup( jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 466, Short.MAX_VALUE) ); jPanel6Layout.setVerticalGroup( jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 242, Short.MAX_VALUE) ); jTabbedPane1.addTab("SCAN C", jPanel6); getContentPane().add(jTabbedPane1, java.awt.BorderLayout.CENTER); jLabel1.setText("Distancia:"); jLabel2.setText("___________"); javax.swing.GroupLayout jPanel7Layout = new javax.swing.GroupLayout(jPanel7); jPanel7.setLayout(jPanel7Layout); jPanel7Layout.setHorizontalGroup( jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel7Layout.createSequentialGroup() .addGap(21, 21, 21) .addComponent(jLabel1) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jLabel2) .addContainerGap(331, Short.MAX_VALUE)) ); jPanel7Layout.setVerticalGroup( jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(jPanel7Layout.createSequentialGroup() .addContainerGap() .addGroup(jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel1) .addComponent(jLabel2)) .addContainerGap(15, Short.MAX_VALUE)) ); getContentPane().add(jPanel7, java.awt.BorderLayout.PAGE_START); pack(); }// </editor-fold> /** * @param args the command line arguments */ public static void main(String args[]) { /* Set the Nimbus look and feel */ //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html */ try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(NewJDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(NewJDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(NewJDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(NewJDialog.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } //</editor-fold> /* Create and display the dialog */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { NewJDialog dialog = new NewJDialog(new javax.swing.JFrame(), true); dialog.addWindowListener(new java.awt.event.WindowAdapter() { @Override public void windowClosing(java.awt.event.WindowEvent e) { System.exit(0); } }); dialog.setVisible(true); } }); } // Variables declaration - do not modify private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JPanel jPanel1; private javax.swing.JPanel jPanel2; private javax.swing.JPanel jPanel3; private javax.swing.JPanel jPanel4; private javax.swing.JPanel jPanel5; private javax.swing.JPanel jPanel6; private javax.swing.JPanel jPanel7; private javax.swing.JTabbedPane jTabbedPane1; // End of variables declaration } This is another class that I have created for the paint method: package GUI; import java.awt.Graphics; import javax.swing.JPanel; /** * * @author TOSHIBA */ public class Lienzo { private int width = 5; private int height = 5; private int y = 5; private int x = 0; private int x1 = 0; public Graphics Draw(Graphics g, int[] pistas) { //Im not sure if this is the correct way to do it //The diagram gets drawn according to values from an array //The array is not always the same thats why I used the different Panels for (int i = 0; i < pistas.length; i++) { x = pistas[i]; x1 = pistas[i + 1]; g.drawOval(x, y, width, height); g.drawString(Integer.toString(x), x, y); g.drawLine(x, y, x1, y); } return g; } } I hope you guys understand what I am trying to do with my program.

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• Oracle vous invite à un atelier découverte Oracle Coherence composé d’une présentation du produit et de ses concepts, suivi par des exercices pratiques.

  - by mseika

  Oracle vous invite à un atelier découverte Oracle Coherence composé d’une présentation du produit et de ses concepts, suivi par des exercices pratiques. Objectifs : Cet atelier est destiné aux populations suivantes : architectes, développeurs, ainsi que les responsables de projets. Le format retenu (1 journée) pour cet atelier vous permettra de mesurer ce qu’Oracle Coherence peut apporter à votre entreprise ou vos clients au travers de quelques exercices. Cette journée de prise en main vous permettra de mieux comprendre : Le positionnement d’Oracle Coherence au travers des différents cas d’utilisation rencontrés sur le marché français Les concepts technique d’Oracle Coherence Création d’une grille de données distribuée Insérer et lire des données dans un cache distribué Effectuer une requête sur un cache distribué Effectuer une aggrégation sur un cache distribué Etc… En fonction de votre niveau il y aura toujours un exercice supplémentaire à réaliser… Pré-requis :Matériel : Pour la session, chaque participant doit disposer de son pc portable avec un minimum de 4Go de RAM (idéalement Windows XP ou 7). Sur le PC on doit trouver déjà installés les éléments suivants : un Jdk 6, Eclipse dans une version récente, et Coherence 3.7. Technique : Eclipse et  Programmation Java niveau débutant (vous devez être à l’aise pour créer un projet Java, utiliser des librairies, compiler, exécuter, créer des configurations de lancement Eclipse, etc…). Durée : 1 jour L'équipe Enablement Oracle France.NB: Merci de prévoir les frais liés au déjeuner qui n'est pas pris en charge par Oracle

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• Learn How to Use Oracle’s Spatial and BI Tools for Location-aware Predictive Analytics

  - by Mandy Ho

  November 29, 2-3pm EST Are you a OBIEE (Oracle Business Intelligence Enterprise Edition) user? Have Location data you'd like to incorporate into your analysis as well? This is a great webinar for you! Join us, as Oracle experts from both teams show how to perform perdictive analytics, network analytics and spatial analysis, combined together, in real world scenarios. We will include demos evaluating airline on-time performance and retail establishment performance.  Learn how to: - Gain better business insights and improve ROI with Oracle Spatial and Graph, Oracle Advanced Analytics, and Oracle Business Intelligence Enterprise Edition (OBIEE). - Streamline and remove the complexity of building applications with OBIEE’s built-in location and analytics features. - Create the statistical model, build interactive reports and dashboards including location analysis and map visualization, and incorporate network analytics for geomarketing and site scoring. - Perform location analysis and processing such as proximity, containment, geocoding, aggregation of geographic regions, and more. Speakers include Jayant Sharma, Director, Product Management, Oracle Spatial and Mapping Technologies; Jean Ihm, Principal Product Manager, Oracle Spatial and Mapping Technologies; and Abhinav Agarwal, OBIEE Product Management. Who should attend This webinar is appropriate for CIOs, business and technical managers, developers, and analysts involved in design and management of analytic applications and solutions where spatial analysis can add insight and value to business processes. Click here, or the link below to sign up today! https://www2.gotomeeting.com/register/764677554

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• WebCenter .NET Accelerator - Microsoft SharePoint Data via WSRP

  - by john.brunswick

  Platforms in the enterprise will never be homogeneous. As much as any vendor would enjoy having their single development or application technology be exclusively adopted by customers, too much legacy, time, education, innovation and vertical business needs exist to make using a single platform practical. JAVA and .NET are the two industry application platform heavyweights and more often than not, business users are leveraging various systems in their day to day activities that incorporate applications developed on top of both platforms. BEA Systems acquired Plumtree Software to complete their "liquid" view of data, stressing that regardless of a particular source system heterogeneous data could interoperate at not only through layers that allowed for data aggregation, but also at the "glass" or UI layer. The technical components that allowed the integration at the glass thrive today at Oracle, helping WebCenter to provide a rich composite application framework. Oracle Ensemble and the Oracle .NET Application Accelerator allow WebCenter to consume and interact with the UI layers provided by .NET applications and a series of other technologies. The beauty of the .NET accelerator is that it can consume any .NET application and act as a Web Services for Remote Portlets (WSRP) producer. I recently had a chance to leverage the .NET accelerator to expose a ASP .NET 2.0 (C#) application in the WebCenter UI (pictured above) and wanted to share a few tips to help others get started with similar integrations. I was using two virtual machines for the exercise - one with Windows Server 2003, running SharePoint and the other running WebCenter Spaces 11g. For my sample application data I ended up using SharePoint 2007 lists and calendars (MOSS 2007) to supply results using a .NET API for SharePoint.

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• Announcing Oracle-Demantra 12.2.1 Release

  - by user702295

  We are excited to announce Oracle Demantra 12.2.1 is now available for new and existing customers. All customers who are not incorporating Demantra with other VCP products are welcome to upgrade without any restrictions. Customers who are using Demantra in conjunction with VCP products will need to upgrade VCP to 12.2.1 which requires application and participation in Oracle E-Business Suite early adopter program. Demantra 12.2.1 includes a wide array of new features driven by customer requirements and needs. Key features include: ·       Streamlined import and export from Microsoft Excel ·       Support Gregorian Month data aggregation in weekly system ·       Multilanguage support for eleven languages ·       Promotion Calendar Optimization ·       Enhanced integration with Advanced Planning Command Center (VCP 12.2.1 Required) Demantra 12.2.1 will work with JD Edwards EnterpriseOne 9.1 using the AIA 11.4 for the Value Chain Planning Base Integration Pack. Demantra 12.2.1 will only work with VCP 12.2.1. Demantra 12.2.1 and VCP 12.2.1 will work with EBS 12.1.3 or EBS 12.2.1.

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• No GLX on Intel card with multiseat with additional nVidia card

  - by MeanEYE

  I have multiseat configured and my Xorg has 2 server layouts. One is for nVidia card and other is for Intel card. They both work, but display server assigned to Intel card doesn't have hardware acceleration since DRI and GLX module being used is from nVidia driver. So my question is, can I configure layouts somehow to use right DRI and GLX with each card? My Xorg.conf: Section "ServerLayout" Identifier "Default" Screen 0 "Screen0" 0 0 Option "Xinerama" "0" EndSection Section "ServerLayout" Identifier "TV" Screen 0 "Screen1" 0 0 Option "Xinerama" "0" EndSection Section "Monitor" # HorizSync source: edid, VertRefresh source: edid Identifier "Monitor0" VendorName "Unknown" ModelName "DELL E198WFP" HorizSync 30.0 - 83.0 VertRefresh 56.0 - 75.0 Option "DPMS" EndSection Section "Monitor" Identifier "Monitor1" VendorName "Unknown" Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GT 610" EndSection Section "Device" Identifier "Device1" Driver "intel" BusID "PCI:0:2:0" Option "AccelMethod" "uxa" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "Stereo" "0" Option "nvidiaXineramaInfoOrder" "DFP-1" Option "metamodes" "DFP-0: nvidia-auto-select +1440+0, DFP-1: nvidia-auto-select +0+0" SubSection "Display" Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen1" Device "Device1" Monitor "Monitor1" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection Log file for Intel: [ 18.239] X.Org X Server 1.13.0 Release Date: 2012-09-05 [ 18.239] X Protocol Version 11, Revision 0 [ 18.239] Build Operating System: Linux 2.6.24-32-xen x86_64 Ubuntu [ 18.239] Current Operating System: Linux bytewiper 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012 x86_64 [ 18.239] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic root=UUID=fc0616fd-f212-4846-9241-ba4a492f0513 ro quiet splash [ 18.239] Build Date: 20 September 2012 11:55:20AM [ 18.239] xorg-server 2:1.13.0+git20120920.70e57668-0ubuntu0ricotz (For technical support please see http://www.ubuntu.com/support) [ 18.239] Current version of pixman: 0.26.0 [ 18.239] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 18.239] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 18.239] (==) Log file: "/var/log/Xorg.1.log", Time: Wed Nov 21 18:32:14 2012 [ 18.239] (==) Using config file: "/etc/X11/xorg.conf" [ 18.239] (==) Using system config directory "/usr/share/X11/xorg.conf.d" [ 18.239] (++) ServerLayout "TV" [ 18.239] (**) |-->Screen "Screen1" (0) [ 18.239] (**) | |-->Monitor "Monitor1" [ 18.240] (**) | |-->Device "Device1" [ 18.240] (**) Option "Xinerama" "0" [ 18.240] (==) Automatically adding devices [ 18.240] (==) Automatically enabling devices [ 18.240] (==) Automatically adding GPU devices [ 18.240] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist. [ 18.240] Entry deleted from font path. [ 18.240] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist. [ 18.240] Entry deleted from font path. [ 18.240] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist. [ 18.240] Entry deleted from font path. [ 18.240] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist. [ 18.240] Entry deleted from font path. [ 18.240] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist. [ 18.240] Entry deleted from font path. [ 18.240] (WW) The directory "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" does not exist. [ 18.240] Entry deleted from font path. [ 18.240] (==) FontPath set to: /usr/share/fonts/X11/misc, /usr/share/fonts/X11/Type1, built-ins [ 18.240] (==) ModulePath set to "/usr/lib/x86_64-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules" [ 18.240] (II) The server relies on udev to provide the list of input devices. If no devices become available, reconfigure udev or disable AutoAddDevices. [ 18.240] (II) Loader magic: 0x7f6917944c40 [ 18.240] (II) Module ABI versions: [ 18.240] X.Org ANSI C Emulation: 0.4 [ 18.240] X.Org Video Driver: 13.0 [ 18.240] X.Org XInput driver : 18.0 [ 18.240] X.Org Server Extension : 7.0 [ 18.240] (II) config/udev: Adding drm device (/dev/dri/card0) [ 18.241] (--) PCI: (0:0:2:0) 8086:0152:1043:84ca rev 9, Mem @ 0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64 [ 18.241] (--) PCI:*(0:1:0:0) 10de:104a:1458:3546 rev 161, Mem @ 0xf6000000/16777216, 0xe0000000/134217728, 0xe8000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288 [ 18.241] (II) Open ACPI successful (/var/run/acpid.socket) [ 18.241] Initializing built-in extension Generic Event Extension [ 18.241] Initializing built-in extension SHAPE [ 18.241] Initializing built-in extension MIT-SHM [ 18.241] Initializing built-in extension XInputExtension [ 18.241] Initializing built-in extension XTEST [ 18.241] Initializing built-in extension BIG-REQUESTS [ 18.241] Initializing built-in extension SYNC [ 18.241] Initializing built-in extension XKEYBOARD [ 18.241] Initializing built-in extension XC-MISC [ 18.241] Initializing built-in extension SECURITY [ 18.241] Initializing built-in extension XINERAMA [ 18.241] Initializing built-in extension XFIXES [ 18.241] Initializing built-in extension RENDER [ 18.241] Initializing built-in extension RANDR [ 18.241] Initializing built-in extension COMPOSITE [ 18.241] Initializing built-in extension DAMAGE [ 18.241] Initializing built-in extension MIT-SCREEN-SAVER [ 18.241] Initializing built-in extension DOUBLE-BUFFER [ 18.241] Initializing built-in extension RECORD [ 18.241] Initializing built-in extension DPMS [ 18.241] Initializing built-in extension X-Resource [ 18.241] Initializing built-in extension XVideo [ 18.241] Initializing built-in extension XVideo-MotionCompensation [ 18.241] Initializing built-in extension XFree86-VidModeExtension [ 18.241] Initializing built-in extension XFree86-DGA [ 18.241] Initializing built-in extension XFree86-DRI [ 18.241] Initializing built-in extension DRI2 [ 18.241] (II) LoadModule: "glx" [ 18.241] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so [ 18.247] (II) Module glx: vendor="NVIDIA Corporation" [ 18.247] compiled for 4.0.2, module version = 1.0.0 [ 18.247] Module class: X.Org Server Extension [ 18.247] (II) NVIDIA GLX Module 310.19 Thu Nov 8 01:12:43 PST 2012 [ 18.247] Loading extension GLX [ 18.247] (II) LoadModule: "intel" [ 18.248] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so [ 18.248] (II) Module intel: vendor="X.Org Foundation" [ 18.248] compiled for 1.13.0, module version = 2.20.13 [ 18.248] Module class: X.Org Video Driver [ 18.248] ABI class: X.Org Video Driver, version 13.0 [ 18.248] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45, 4 Series, G45/G43, Q45/Q43, G41, B43, B43, Clarkdale, Arrandale, Sandybridge Desktop (GT1), Sandybridge Desktop (GT2), Sandybridge Desktop (GT2+), Sandybridge Mobile (GT1), Sandybridge Mobile (GT2), Sandybridge Mobile (GT2+), Sandybridge Server, Ivybridge Mobile (GT1), Ivybridge Mobile (GT2), Ivybridge Desktop (GT1), Ivybridge Desktop (GT2), Ivybridge Server, Ivybridge Server (GT2), Haswell Desktop (GT1), Haswell Desktop (GT2), Haswell Desktop (GT2+), Haswell Mobile (GT1), Haswell Mobile (GT2), Haswell Mobile (GT2+), Haswell Server (GT1), Haswell Server (GT2), Haswell Server (GT2+), Haswell SDV Desktop (GT1), Haswell SDV Desktop (GT2), Haswell SDV Desktop (GT2+), Haswell SDV Mobile (GT1), Haswell SDV Mobile (GT2), Haswell SDV Mobile (GT2+), Haswell SDV Server (GT1), Haswell SDV Server (GT2), Haswell SDV Server (GT2+), Haswell ULT Desktop (GT1), Haswell ULT Desktop (GT2), Haswell ULT Desktop (GT2+), Haswell ULT Mobile (GT1), Haswell ULT Mobile (GT2), Haswell ULT Mobile (GT2+), Haswell ULT Server (GT1), Haswell ULT Server (GT2), Haswell ULT Server (GT2+), Haswell CRW Desktop (GT1), Haswell CRW Desktop (GT2), Haswell CRW Desktop (GT2+), Haswell CRW Mobile (GT1), Haswell CRW Mobile (GT2), Haswell CRW Mobile (GT2+), Haswell CRW Server (GT1), Haswell CRW Server (GT2), Haswell CRW Server (GT2+), ValleyView PO board [ 18.248] (++) using VT number 8 [ 18.593] (II) intel(0): using device path '/dev/dri/card0' [ 18.593] (**) intel(0): Depth 24, (--) framebuffer bpp 32 [ 18.593] (==) intel(0): RGB weight 888 [ 18.593] (==) intel(0): Default visual is TrueColor [ 18.593] (**) intel(0): Option "AccelMethod" "uxa" [ 18.593] (--) intel(0): Integrated Graphics Chipset: Intel(R) Ivybridge Desktop (GT1) [ 18.593] (**) intel(0): Relaxed fencing enabled [ 18.593] (**) intel(0): Wait on SwapBuffers? enabled [ 18.593] (**) intel(0): Triple buffering? enabled [ 18.593] (**) intel(0): Framebuffer tiled [ 18.593] (**) intel(0): Pixmaps tiled [ 18.593] (**) intel(0): 3D buffers tiled [ 18.593] (**) intel(0): SwapBuffers wait enabled ... [ 20.312] (II) Module fb: vendor="X.Org Foundation" [ 20.312] compiled for 1.13.0, module version = 1.0.0 [ 20.312] ABI class: X.Org ANSI C Emulation, version 0.4 [ 20.312] (II) Loading sub module "dri2" [ 20.312] (II) LoadModule: "dri2" [ 20.312] (II) Module "dri2" already built-in [ 20.312] (==) Depth 24 pixmap format is 32 bpp [ 20.312] (II) intel(0): [DRI2] Setup complete [ 20.312] (II) intel(0): [DRI2] DRI driver: i965 [ 20.312] (II) intel(0): Allocated new frame buffer 1920x1080 stride 7680, tiled [ 20.312] (II) UXA(0): Driver registered support for the following operations: [ 20.312] (II) solid [ 20.312] (II) copy [ 20.312] (II) composite (RENDER acceleration) [ 20.312] (II) put_image [ 20.312] (II) get_image [ 20.312] (==) intel(0): Backing store disabled [ 20.312] (==) intel(0): Silken mouse enabled [ 20.312] (II) intel(0): Initializing HW Cursor [ 20.312] (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message. [ 20.313] (**) intel(0): DPMS enabled [ 20.313] (==) intel(0): Intel XvMC decoder enabled [ 20.313] (II) intel(0): Set up textured video [ 20.313] (II) intel(0): [XvMC] xvmc_vld driver initialized. [ 20.313] (II) intel(0): direct rendering: DRI2 Enabled [ 20.313] (==) intel(0): hotplug detection: "enabled" [ 20.332] (--) RandR disabled [ 20.335] (EE) Failed to initialize GLX extension (Compatible NVIDIA X driver not found) [ 20.335] (II) intel(0): Setting screen physical size to 508 x 285 [ 20.338] (II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm [ 20.340] (II) config/udev: Adding input device Power Button (/dev/input/event1) [ 20.340] (**) Power Button: Applying InputClass "evdev keyboard catchall" [ 20.340] (II) LoadModule: "evdev" [ 20.340] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so

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• Can you help me fix my broken packages?

  - by Andreas Hartmann

  I would like to upgrade from 13.04 to 13.10, but some broken packages are preventing upgrade success: grep Broken /var/log/dist-upgrade/apt.log output: Broken libwayland-client0:amd64 Conflicts on libwayland0 [ amd64 ] < 1.0.5-0ubuntu1 > ( libs ) (< 1.1.0) Broken libunity9:amd64 Breaks on unity-common [ amd64 ] < 7.0.0daily13.06.19~13.04-0ubuntu1 > ( gnome ) (< 7.1.2) Broken cups-filters:amd64 Conflicts on ghostscript-cups [ amd64 ] < 9.07~dfsg2-0ubuntu3.1 > ( text ) Broken libpam-systemd:amd64 Conflicts on libpam-xdg-support [ amd64 ] < 0.2-0ubuntu2 > ( admin ) Broken libharfbuzz0a:amd64 Breaks on libharfbuzz0 [ amd64 ] < 0.9.13-1 > ( libs ) Broken libharfbuzz0a:amd64 Breaks on libharfbuzz0 [ i386 ] < 0.9.13-1 > ( libs ) Broken libunity-scopes-json-def-desktop:amd64 Conflicts on libunity-common [ amd64 ] < 6.90.2daily13.04.05-0ubuntu1 > ( gnome ) (< 7.0.7) Broken libunity-scopes-json-def-desktop:amd64 Conflicts on libunity-common [ i386 ] < none > ( none ) (< 7.0.7) Broken libaccount-plugin-generic-oauth:amd64 Conflicts on account-plugin-generic-oauth [ amd64 ] < 0.10bzr13.03.26-0ubuntu1.1 > ( gnome ) (< 0.10bzr13.04.30) Broken libaccount-plugin-generic-oauth:amd64 Breaks on account-plugin-generic-oauth [ amd64 ] < 0.10bzr13.03.26-0ubuntu1.1 > ( gnome ) (< 0.10bzr13.04.30) Broken libmutter0b:amd64 Breaks on libmutter0a [ amd64 ] < 3.6.3-0ubuntu2 > ( libs ) Broken python3-aptdaemon.pkcompat:amd64 Breaks on libpackagekit-glib2-14 [ amd64 ] < 0.7.6-3ubuntu1 > ( libs ) (<= 0.7.6-4) Broken apache2:amd64 Conflicts on apache2.2-common [ amd64 ] < 2.2.22-6ubuntu5.1 > ( httpd ) Broken chromium-codecs-ffmpeg-extra:amd64 Conflicts on chromium-codecs-ffmpeg [ amd64 ] < 28.0.1500.71-0ubuntu1.13.04.1 -> 29.0.1547.65-0ubuntu2 > ( universe/web ) Broken unity-scope-home:amd64 Conflicts on unity-lens-shopping [ amd64 ] < 6.8.0daily13.03.04-0ubuntu1 > ( gnome ) Broken libsnmp30:amd64 Breaks on libsnmp15 [ amd64 ] < 5.4.3~dfsg-2.7ubuntu1 > ( libs ) Broken apache2.2-bin:amd64 Breaks on gnome-user-share [ amd64 ] < 3.0.4-0ubuntu1 > ( gnome ) (< 3.8.0-2~) Broken libgjs0d:amd64 Conflicts on libgjs0c [ amd64 ] < 1.34.0-0ubuntu1 > ( libs ) Broken unity-gtk2-module:amd64 Conflicts on appmenu-gtk [ amd64 ] < 12.10.3daily13.04.03-0ubuntu1 > ( libs ) Broken lib32asound2:amd64 Depends on libasound2 [ amd64 ] < 1.0.25-4ubuntu3.1 -> 1.0.27.2-1ubuntu6 > ( libs ) (= 1.0.25-4ubuntu3.1) Broken unity-gtk3-module:amd64 Conflicts on appmenu-gtk3 [ amd64 ] < 12.10.3daily13.04.03-0ubuntu1 > ( libs ) Broken activity-log-manager:amd64 Conflicts on activity-log-manager-common [ amd64 ] < 0.9.4-0ubuntu6.2 > ( utils ) Broken libgtksourceview-3.0-0:amd64 Depends on libgtksourceview-3.0-common [ amd64 ] < 3.6.3-0ubuntu1 -> 3.8.2-0ubuntu1 > ( libs ) (< 3.7) Broken icaclient:amd64 Depends on lib32asound2 [ amd64 ] < 1.0.25-4ubuntu3.1 > ( libs ) Broken libunity-core-6.0-5:amd64 Depends on unity-services [ amd64 ] < 7.0.0daily13.06.19~13.04-0ubuntu1 -> 7.1.2+13.10.20131014.1-0ubuntu1 > ( gnome ) (= 7.0.0daily13.06.19~13.04-0ubuntu1) Broken libbamf3-1:amd64 Depends on bamfdaemon [ amd64 ] < 0.4.0daily13.06.19~13.04-0ubuntu1 -> 0.5.1+13.10.20131011-0ubuntu1 > ( libs ) (= 0.4.0daily13.06.19~13.04-0ubuntu1) Broken apache2-bin:amd64 Conflicts on apache2.2-bin [ amd64 ] < 2.2.22-6ubuntu5.1 -> 2.4.6-2ubuntu2 > ( httpd ) (< 2.3~) Output for cat /etc/apt/sources.list /etc/apt/sources.list.d/*.list # deb cdrom:[Ubuntu 13.04 _Raring Ringtail_ - Release amd64 (20130424)]/ raring main restricted # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to # newer versions of the distribution. deb http://de.archive.ubuntu.com/ubuntu/ raring main restricted ## Major bug fix updates produced after the final release of the ## distribution. deb http://de.archive.ubuntu.com/ubuntu/ raring-updates main restricted ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://de.archive.ubuntu.com/ubuntu/ raring universe deb http://de.archive.ubuntu.com/ubuntu/ raring-updates universe ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team, and may not be under a free licence. Please satisfy yourself as to ## your rights to use the software. Also, please note that software in ## multiverse WILL NOT receive any review or updates from the Ubuntu ## security team. deb http://de.archive.ubuntu.com/ubuntu/ raring multiverse deb http://de.archive.ubuntu.com/ubuntu/ raring-updates multiverse ## N.B. software from this repository may not have been tested as ## extensively as that contained in the main release, although it includes ## newer versions of some applications which may provide useful features. ## Also, please note that software in backports WILL NOT receive any review ## or updates from the Ubuntu security team. deb http://security.ubuntu.com/ubuntu raring-security main restricted deb http://security.ubuntu.com/ubuntu raring-security universe deb http://security.ubuntu.com/ubuntu raring-security multiverse ## Uncomment the following two lines to add software from Canonical's ## 'partner' repository. ## This software is not part of Ubuntu, but is offered by Canonical and the ## respective vendors as a service to Ubuntu users. deb http://archive.canonical.com/ubuntu raring partner # deb-src http://archive.canonical.com/ubuntu raring partner ## This software is not part of Ubuntu, but is offered by third-party ## developers who want to ship their latest software. deb http://extras.ubuntu.com/ubuntu raring main # deb-src http://extras.ubuntu.com/ubuntu raring main # deb http://linux.dropbox.com/ubuntu precise main output for sudo dpkg -l | grep -e "^iU" -e "^rc": rc ibm-lotus-cae 8.5.2-20100805.0821 i386 IBM Lotus Composite Application Editor rc ibm-lotus-cae-nl1 8.5.2-20100805.0821 i386 IBM Lotus CAE NL1 rc ibm-lotus-feedreader 8.5.2-20100805.0821 i386 Feeds for IBM Lotus Notes 8.5.2 rc ibm-lotus-feedreader-nl1 8.5.2-20100805.0821 i386 IBM Lotus Feed Reader NL1 rc ibm-lotus-notes 8.5.2-20100805.0821 i386 IBM Lotus Notes rc ibm-lotus-notes-core-de 8.5.2-20100805.0821 i386 IBM Lotus Notes Native German (de) rc ibm-lotus-notes-nl1 8.5.2-20100805.0821 i386 IBM Lotus Notes Java NL1 rc ibm-lotus-sametime 8.5.2-20100805.0821 i386 IBM Lotus Sametime rc ibm-lotus-symphony 8.5.2-20100805.0821 i386 IBM Lotus Symphony rc ibm-lotus-symphony-nl1 8.5.2-20100805.0821 i386 IBM Lotus Symphony NL1 rc libapache2-mod-php5filter 5.4.9-4ubuntu2.2 amd64 server-side, HTML-embedded scripting language (apache 2 filter module) rc libavcodec53:amd64 6:0.8.6-1ubuntu2 amd64 Libav codec library rc libavutil51:amd64 6:0.8.6-1ubuntu2 amd64 Libav utility library rc libmotif4:amd64 2.3.3-7ubuntu1 amd64 Open Motif - shared libraries rc linux-image-3.8.0-25-generic 3.8.0-25.37 amd64 Linux kernel image for version 3.8.0 on 64 bit x86 SMP rc linux-image-extra-3.8.0-25-generic 3.8.0-25.37 amd64 Linux kernel image for version 3.8.0 on 64 bit x86 SMP

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• Problem deploying servlets in JBoss 5.1 on eclipse.

  - by Jeremy Goodell

  Yesterday I created a simple image servlet and attempted to deploy it. I am getting an error on JBoss startup, and then further errors on trying to invoke the servlet. I spent about 8 hours yesterday searching the web for answers and trying different scenarios. I ended up making my JBoss problems worse and then fixing them, but I never did get the servlet to work. The servlet is com.controller.MyImageServlet, and looks like this: package com.controller; import javax.servlet.http.*; /** * Servlet implementation class MyImageServlet */ public class MyImageServlet extends HttpServlet { private static final long serialVersionUID = 1L; public MyImageServlet() { super(); } // Process the HTTP Get request public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { /* ... */ } } The tags I've added to web.xml looks like this: <servlet> <servlet-name>ImageServlet</servlet-name> <servlet-class>com.controller.MyImageServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>ImageServlet</servlet-name> <url-pattern>/CERTIMAGE/*</url-pattern> </servlet-mapping> On server startup, this is the only indication in the log that something is amiss: 01:59:25,328 WARN [JAXWSDeployerHookPreJSE] Cannot load servlet class: com.controller.MyImageServlet When I try the URL pattern (http://localhost:9980/CERTIMAGE/1), I get the following stack trace in the log (and in the Browser): 01:59:39,640 INFO [[/]] Marking servlet ImageServlet as unavailable 01:59:39,640 ERROR [[ImageServlet]] Allocate exception for servlet ImageServlet java.lang.ClassNotFoundException: com.controller.MyImageServlet at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) at org.jboss.web.tomcat.service.TomcatInjectionContainer.newInstance(TomcatInjectionContainer.java:262) at org.jboss.web.tomcat.service.TomcatInjectionContainer.newInstance(TomcatInjectionContainer.java:256) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1006) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:777) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126) at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) If I try the URL pattern again, I get the following message in the log: 09:33:32,390 INFO [[ImageServlet]] Servlet ImageServlet is currently unavailable I have verified that MyImageServlet.class is in the WAR at WEB-INF/classes/com/controller/images. As a matter of fact, I even added some code to one of my JSPs to attempt to instantiate the Servlet and call the doGet method. This actually works and outputs the correct debug sequences to the log indicating that the Servlet constructor and doGet methods were called. I also tried following some instructions for creating/deploying a very simple HelloWorld servlet, and that has exactly the same problem. Note that web.xml already contained a servlet put there by JBoss: org.jboss.web.tomcat.service.StatusServlet -- that Servlet does not give any errors in the log. As an experiment, I removed ".web" from that path and ended up getting exactly the same error as I'm getting on my Servlet. So it would appear that JBoss is not able to locate my Servlet given the specified path. Just for kicks, I've tried all sorts of other paths, like just plain MyImageServlet, controller.MyImageServlet, and more. Also, the servlet was originally named ImageServlet, but I attempted the name change thinking maybe there was some conflict with an existing ImageServlet. In all cases, the behavior is the same. After all of my research yesterday, I would say that this appears to be a problem with the JBoss servlet container, and I also learned that JBoss 5.1.0.GA should come bundled with a tomcat servlet container. I installed JBoss on my PC (Windows XP) myself less than 2 months ago (from jboss.org) and used it pretty much as is. Note that I am running on JDK 1.6, so I did use the jboss-jdk6 installation version. I am running on Windows, but I also deploy to a Linux virtual dedicated server. I deployed the current version of my program, including the servlet to the Linux box, but I get the exact same errors. I'm reluctant to just try reinstalling JBoss, since it's hard to place the blame on the JBoss installation when I get the same errors on two completely different installations. I am a bit suspicious of the bundled tomcat servlet container, because using eclipse, I haven't been able to locate any indication that there is a tomcat bundled into JBoss. I did locate servlet-api.jar in the JBoss common/lib directory. This is on the eclipse build path. One possibly useful note: I had previously used a standalone tomcat server for other projects using the same eclipse, so maybe it's some sort of eclipse issue? But, as I said, I do get the same errors when I deploy to the Linux server, and that deployment process just involves ftping files to the server and then putting them into the deployed war package and restarting JBoss. Thanks for any help you can provide.

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• SQL SERVER – Fix: Error: 8117: Operand data type bit is invalid for sum operator

  - by pinaldave

  Here is the very interesting error I received from a reader. He has very interesting question. He attempted to use BIT filed in the SUM aggregation function and he got following error. He went ahead with various different datatype (i.e. INT, TINYINT etc) and he was able to do the SUM but with BIT he faced the problem. Error Received: Msg 8117, Level 16, State 1, Line 1 Operand data type bit is invalid for sum operator. Reproduction of the error: Set up the environment USE tempdb GO -- Preparing Sample Data CREATE TABLE TestTable (ID INT, Flag BIT) GO INSERT INTO TestTable (ID, Flag) SELECT 1, 0 UNION ALL SELECT 2, 1 UNION ALL SELECT 3, 0 UNION ALL SELECT 4, 1 GO SELECT * FROM TestTable GO Following script will work fine: -- This will work fine SELECT SUM(ID) FROM TestTable GO However following generate error: -- This will generate error SELECT SUM(Flag) FROM TestTable GO The workaround is to convert or cast the BIT to INT: -- Workaround of error SELECT SUM(CONVERT(INT, Flag)) FROM TestTable GO Clean up the setup -- Clean up DROP TABLE TestTable GO Workaround: As mentioned in above script the workaround is to covert the bit datatype to another friendly data types like INT, TINYINT etc. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• Creating a Training Lab on Windows Azure

  - by Michael Stephenson

  Originally posted on: http://geekswithblogs.net/michaelstephenson/archive/2013/06/17/153149.aspxThis week we are preparing for a training course that Alan Smith will be running for the support teams at one of my customers around Windows Azure. In order to facilitate the training lab we have a few prerequisites we need to handle. One of the biggest ones is that although the support team all have MSDN accounts the local desktops they work on are not ideal for running most of the labs as we want to give them some additional developer background training around Azure. Some recent Azure announcements really help us in this area: MSDN software can now be used on Azure VM You don't pay for Azure VM's when they are no longer used  Since the support team only have limited experience of Windows Azure and the organisation also have an Enterprise Agreement we decided it would be best value for money to spin up a training lab in a subscription on the EA and then we can turn the machines off when we are done. At the same time we would be able to spin them back up when the users need to do some additional lab work once the training course is completed. In order to achieve this I wanted to create a powershell script which would setup my training lab. The aim was to create 18 VM's which would be based on a prebuilt template with Visual Studio and the Azure development tools. The script I used is described below The Start & Variables The below text will setup the powershell environment and some variables which I will use elsewhere in the script. It will also import the Azure Powershell cmdlets. You can see below that I will need to download my publisher settings file and know some details from my Azure account. At this point I will assume you have a basic understanding of Azure & Powershell so already know how to do this. Set-ExecutionPolicy Unrestrictedcls $startTime = get-dateImport-Module "C:\Program Files (x86)\Microsoft SDKs\Windows Azure\PowerShell\Azure\Azure.psd1"# Azure Publisher Settings $azurePublisherSettings = '<Your settings file>.publishsettings'  # Subscription Details $subscriptionName = "<Your subscription name>" $defaultStorageAccount = "<Your default storage account>"  # Affinity Group Details $affinityGroup = '<Your affinity group>' $dataCenter = 'West Europe' # From Get-AzureLocation  # VM Details $baseVMName = 'TRN' $adminUserName = '<Your admin username>' $password = '<Your admin password>' $size = 'Medium' $vmTemplate = '<The name of your VM template image>' $rdpFilePath = '<File path to save RDP files to>' $machineSettingsPath = '<File path to save machine info to>'    Functions In the next section of the script I have some functions which are used to perform certain actions. The first is called CreateVM. This will do the following actions: If the VM already exists it will be deleted Create the cloud service Create the VM from the template I have created Add an endpoint so we can RDP to them all over the same port Download the RDP file so there is a short cut the trainees can easily access the machine via Write settings for the machine to a log file  function CreateVM($machineNo) { # Specify a name for the new VM $machineName = "$baseVMName-$machineNo" Write-Host "Creating VM: $machineName"       # Get the Azure VM Image      $myImage = Get-AzureVMImage $vmTemplate   #If the VM already exists delete and re-create it $existingVm = Get-AzureVM -Name $machineName -ServiceName $serviceName if($existingVm -ne $null) { Write-Host "VM already exists so deleting it" Remove-AzureVM -Name $machineName -ServiceName $serviceName }   "Creating Service" $serviceName = "bupa-azure-train-$machineName" Remove-AzureService -Force -ServiceName $serviceName New-AzureService -Location $dataCenter -ServiceName $serviceName   Write-Host "Creating VM: $machineName" New-AzureQuickVM -Windows -name $machineName -ServiceName $serviceName -ImageName $myImage.ImageName -InstanceSize $size -AdminUsername $adminUserName -Password $password  Write-Host "Updating the RDP endpoint for $machineName" Get-AzureVM -name $machineName -ServiceName $serviceName ` | Add-AzureEndpoint -Name RDP -Protocol TCP -LocalPort 3389 -PublicPort 550 ` | Update-AzureVM    Write-Host "Get the RDP File for machine $machineName" $machineRDPFilePath = "$rdpFilePath\$machineName.rdp" Get-AzureRemoteDesktopFile -name $machineName -ServiceName $serviceName -LocalPath "$machineRDPFilePath"   WriteMachineSettings "$machineName" "$serviceName" }    The delete machine settings function is used to delete the log file before we start re-running the process.  function DeleteMachineSettings() { Write-Host "Deleting the machine settings output file" [System.IO.File]::Delete("$machineSettingsPath"); }    The write machine settings function will get the VM and then record its details to the log file. The importance of the log file is that I can easily provide the information for all of the VM's to our infrastructure team to be able to configure access to all of the VM's    function WriteMachineSettings([string]$vmName, [string]$vmServiceName) { Write-Host "Writing to the machine settings output file"   $vm = Get-AzureVM -name $vmName -ServiceName $vmServiceName $vmEndpoint = Get-AzureEndpoint -VM $vm -Name RDP   $sb = new-object System.Text.StringBuilder $sb.Append("Service Name: "); $sb.Append($vm.ServiceName); $sb.Append(", "); $sb.Append("VM: "); $sb.Append($vm.Name); $sb.Append(", "); $sb.Append("RDP Public Port: "); $sb.Append($vmEndpoint.Port); $sb.Append(", "); $sb.Append("Public DNS: "); $sb.Append($vmEndpoint.Vip); $sb.AppendLine(""); [System.IO.File]::AppendAllText($machineSettingsPath, $sb.ToString());  } # end functions    Rest of Script In the rest of the script it is really just the bit that orchestrates the actions we want to happen. It will load the publisher settings, select the Azure subscription and then loop around the CreateVM function and create 16 VM's  Import-AzurePublishSettingsFile $azurePublisherSettings Set-AzureSubscription -SubscriptionName $subscriptionName -CurrentStorageAccount $defaultStorageAccount Select-AzureSubscription -SubscriptionName $subscriptionName  DeleteMachineSettings    "Starting creating Bupa International Azure Training Lab" $numberOfVMs = 16  for ($index=1; $index -le $numberOfVMs; $index++) { $vmNo = "$index" CreateVM($vmNo); }    "Finished creating Bupa International Azure Training Lab" # Give it a Minute Start-Sleep -s 60  $endTime = get-date "Script run time " + ($endTime - $startTime)    Conclusion As you can see there is nothing too fancy about this script but in our case of creating a small isolated training lab which is not connected to our corporate network then we can easily use this to provision the lab. Im sure if this is of use to anyone you can easily modify it to do other things with the lab environment too. A couple of points to note are that there are some soft limits in Azure about the number of cores and services your subscription can use. You may need to contact the Azure support team to be able to increase this limit. In terms of the real business value of this approach, it was not possible to use the existing desktops to do the training on, and getting some internal virtual machines would have been relatively expensive and time consuming for our ops team to do. With the Azure option we are able to spin these machines up for a temporary period during the training course and then throw them away when we are done. We expect the costing of this test lab to be very small, especially considering we have EA pricing. As a ball park I think my 18 lab VM training environment will cost in the region of $80 per day on our EA. This is a fraction of the cost of the creation of a single VM on premise.

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• How to use EJB 3.1 DI in Servlet ? (Could not inject session bean by @EJB from web application)

  - by kislo_metal

  I am tying to merging web application(gwt, jpa) to an separate 2 application(business login in ejb/jpa and web client in gwt). Currently i can`t inject my beans from web application (simple servlet) I am using glassfish v3. module limbo(ejb jar) is in dependency of module lust (war). If I use lust with compiler output of limbo everything work perfect (if ejb in web application and the are deploying together as one application). Have I messed some container configuration ? Here is my steps: I have some limbo.jar (ejb-jar) deployed to ejb container. I do not use any ejb-jar.xml, only annotations. package ua.co.inferno.limbo.persistence.beans; import javax.ejb.Remote; @Remote public interface IPersistentServiceRemote { ArrayList<String> getTerminalACPList(); ArrayList<String> getBoxACPList(); ArrayList<String> getCNPList(); ArrayList<String> getCNSList(); String getProductNamebyID(int boxid); ArrayList<String> getRegionsList(String lang); long getSequence(); void persistEntity (Object ent); } package ua.co.inferno.limbo.persistence.beans; import ua.co.inferno.limbo.persistence.entitis.EsetChSchemaEntity; import ua.co.inferno.limbo.persistence.entitis.EsetKeyActionsEntity; @Local public interface IPersistentService { ArrayList<String> getTerminalACPList(); ArrayList<String> getBoxACPList(); ArrayList<String> getCNPList(); ArrayList<String> getCNSList(); String getProductNamebyID(int boxid); ArrayList<String> getRegionsList(String lang); long getSequence(); long persistPurchaseBox(EsetRegPurchaserEntity rp); void removePurchaseTempBox(EsetRegPurchaserTempEntity rpt); EsetRegionsEntity getRegionsById(long rid); void persistEntity (Object ent); } package ua.co.inferno.limbo.persistence.beans; import ua.co.inferno.limbo.persistence.entitis.EsetChSchemaEntity; import ua.co.inferno.limbo.persistence.entitis.EsetKeyActionsEntity; import ua.co.inferno.limbo.persistence.entitis.EsetRegBoxesEntity; import javax.ejb.Stateless; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; @Stateless(name = "PersistentService") public class PersistentServiceEJB implements IPersistentService, IPersistentServiceRemote{ @PersistenceContext(unitName = "Limbo") EntityManager em; public PersistentServiceEJB() { } ......... } Than i trying to use PersistentService session bean(included in limbo.jar) from web application in lust.war (the limbo.jar & lust.war is not in ear) package ua.co.lust; import ua.co.inferno.limbo.persistence.beans.IPersistentService; import javax.ejb.EJB; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; @WebServlet(name = "ServletTest", urlPatterns = {"/"}) public class ServletTest extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { service(request, response); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { service(request, response); } @EJB private IPersistentService pService; public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String hi = pService.getCNPList().toString(); System.out.println("testBean.hello method returned: " + hi); System.out.println("In MyServlet::init()"); System.out.println("all regions" + pService.getRegionsList("ua")); System.out.println("all regions" + pService.getBoxACPList()); } } web.xm <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <servlet> <servlet-name>ServletTest</servlet-name> <servlet-class>ua.co.lust.ServletTest</servlet-class> </servlet> </web-app> When servelt is loading i ge 404 eror (The requested resource () is not available.) And errors in logs : global Log Level SEVERE Logger global Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=31} Record Number 1421 Message ID Complete Message Class [ Lua/co/inferno/limbo/persistence/beans/IPersistentService; ] not found. Error while loading [ class ua.co.lust.ServletTest ] javax.enterprise.system.tools.deployment.org.glassfish.deployment.common Log Level WARNING Logger javax.enterprise.system.tools.deployment.org.glassfish.deployment.common Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=31} Record Number 1422 Message ID Error in annotation processing Complete Message java.lang.NoClassDefFoundError: Lua/co/inferno/limbo/persistence/beans/IPersistentService; ejb jar was deployed with this info log : Log Level INFO Logger javax.enterprise.system.container.ejb.com.sun.ejb.containers Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=26} Record Number 1436 Message ID Glassfish-specific (Non-portable) JNDI names for EJB PersistentService Complete Message [ua.co.inferno.limbo.persistence.beans.IPersistentServiceRemote#ua.co.inferno.limbo.persistence.beans.IPersistentServiceRemote, ua.co.inferno.limbo.persistence.beans.IPersistentServiceRemote] Log Level INFO Logger javax.enterprise.system.tools.admin.org.glassfish.deployment.admin Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=26} Record Number 1445 Message ID Complete Message limbo was successfully deployed in 610 milliseconds. Do i nee to add some additional configuration in a case of injections from others application? Some ideas?

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• Benchmarking MySQL Replication with Multi-Threaded Slaves

  - by Mat Keep

  0 0 1 1145 6530 Homework 54 15 7660 14.0 Normal 0 false false false EN-US JA X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin; mso-ansi-language:EN-US;} The objective of this benchmark is to measure the performance improvement achieved when enabling the Multi-Threaded Slave enhancement delivered as a part MySQL 5.6. As the results demonstrate, Multi-Threaded Slaves delivers 5x higher replication performance based on a configuration with 10 databases/schemas. For real-world deployments, higher replication performance directly translates to: · Improved consistency of reads from slaves (i.e. reduced risk of reading "stale" data) · Reduced risk of data loss should the master fail before replicating all events in its binary log (binlog) The multi-threaded slave splits processing between worker threads based on schema, allowing updates to be applied in parallel, rather than sequentially. This delivers benefits to those workloads that isolate application data using databases - e.g. multi-tenant systems deployed in cloud environments. Multi-Threaded Slaves are just one of many enhancements to replication previewed as part of the MySQL 5.6 Development Release, which include: · Global Transaction Identifiers coupled with MySQL utilities for automatic failover / switchover and slave promotion · Crash Safe Slaves and Binlog · Optimized Row Based Replication · Replication Event Checksums · Time Delayed Replication These and many more are discussed in the “MySQL 5.6 Replication: Enabling the Next Generation of Web & Cloud Services” Developer Zone article  Back to the benchmark - details are as follows. Environment The test environment consisted of two Linux servers: · one running the replication master · one running the replication slave. Only the slave was involved in the actual measurements, and was based on the following configuration: - Hardware: Oracle Sun Fire X4170 M2 Server - CPU: 2 sockets, 6 cores with hyper-threading, 2930 MHz. - OS: 64-bit Oracle Enterprise Linux 6.1 - Memory: 48 GB Test Procedure Initial Setup: Two MySQL servers were started on two different hosts, configured as replication master and slave. 10 sysbench schemas were created, each with a single table: CREATE TABLE `sbtest` (    `id` int(10) unsigned NOT NULL AUTO_INCREMENT,    `k` int(10) unsigned NOT NULL DEFAULT '0',    `c` char(120) NOT NULL DEFAULT '',    `pad` char(60) NOT NULL DEFAULT '',    PRIMARY KEY (`id`),    KEY `k` (`k`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 10,000 rows were inserted in each of the 10 tables, for a total of 100,000 rows. When the inserts had replicated to the slave, the slave threads were stopped. The slave data directory was copied to a backup location and the slave threads position in the master binlog noted. 10 sysbench clients, each configured with 10 threads, were spawned at the same time to generate a random schema load against each of the 10 schemas on the master. Each sysbench client executed 10,000 "update key" statements: UPDATE sbtest set k=k+1 WHERE id = <random row> In total, this generated 100,000 update statements to later replicate during the test itself. Test Methodology: The number of slave workers to test with was configured using: SET GLOBAL slave_parallel_workers=<workers> Then the slave IO thread was started and the test waited for all the update queries to be copied over to the relay log on the slave. The benchmark clock was started and then the slave SQL thread was started. The test waited for the slave SQL thread to finish executing the 100k update queries, doing "select master_pos_wait()". When master_pos_wait() returned, the benchmark clock was stopped and the duration calculated. The calculated duration from the benchmark clock should be close to the time it took for the SQL thread to execute the 100,000 update queries. The 100k queries divided by this duration gave the benchmark metric, reported as Queries Per Second (QPS). Test Reset: The test-reset cycle was implemented as follows: · the slave was stopped · the slave data directory replaced with the previous backup · the slave restarted with the slave threads replication pointer repositioned to the point before the update queries in the binlog. The test could then be repeated with identical set of queries but a different number of slave worker threads, enabling a fair comparison. The Test-Reset cycle was repeated 3 times for 0-24 number of workers and the QPS metric calculated and averaged for each worker count. MySQL Configuration The relevant configuration settings used for MySQL are as follows: binlog-format=STATEMENT relay-log-info-repository=TABLE master-info-repository=TABLE As described in the test procedure, the slave_parallel_workers setting was modified as part of the test logic. The consequence of changing this setting is: 0 worker threads:    - current (i.e. single threaded) sequential mode    - 1 x IO thread and 1 x SQL thread    - SQL thread both reads and executes the events 1 worker thread:    - sequential mode    - 1 x IO thread, 1 x Coordinator SQL thread and 1 x Worker thread    - coordinator reads the event and hands it to the worker who executes 2+ worker threads:    - parallel execution    - 1 x IO thread, 1 x Coordinator SQL thread and 2+ Worker threads    - coordinator reads events and hands them to the workers who execute them Results Figure 1 below shows that Multi-Threaded Slaves deliver ~5x higher replication performance when configured with 10 worker threads, with the load evenly distributed across our 10 x schemas. This result is compared to the current replication implementation which is based on a single SQL thread only (i.e. zero worker threads). Figure 1: 5x Higher Performance with Multi-Threaded Slaves The following figure shows more detailed results, with QPS sampled and reported as the worker threads are incremented. The raw numbers behind this graph are reported in the Appendix section of this post. Figure 2: Detailed Results As the results above show, the configuration does not scale noticably from 5 to 9 worker threads. When configured with 10 worker threads however, scalability increases significantly. The conclusion therefore is that it is desirable to configure the same number of worker threads as schemas. Other conclusions from the results: · Running with 1 worker compared to zero workers just introduces overhead without the benefit of parallel execution. · As expected, having more workers than schemas adds no visible benefit. Aside from what is shown in the results above, testing also demonstrated that the following settings had a very positive effect on slave performance: relay-log-info-repository=TABLE master-info-repository=TABLE For 5+ workers, it was up to 2.3 times as fast to run with TABLE compared to FILE. Conclusion As the results demonstrate, Multi-Threaded Slaves deliver significant performance increases to MySQL replication when handling multiple schemas. This, and the other replication enhancements introduced in MySQL 5.6 are fully available for you to download and evaluate now from the MySQL Developer site (select Development Release tab). You can learn more about MySQL 5.6 from the documentation  Please don’t hesitate to comment on this or other replication blogs with feedback and questions. Appendix – Detailed Results

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• code for TouchPad works, but not for DPAD ...please help me to fix this..

  - by Chandan

  package org.coe.twoD; import android.app.Activity; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; //import android.graphics.Path; import android.graphics.Rect; //import android.graphics.RectF; import android.os.Bundle; //import android.util.Log; import android.util.Log; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; public class TwoD extends Activity implements OnClickListener { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); View draw2d = findViewById(R.id.draw_button); draw2d.setOnClickListener(this); } public void onClick(View v) { if (R.id.draw_button == v.getId()) { setContentView(new draw2D(this)); } } public class draw2D extends View { private static final String TAG = "Sudoku"; private float width; // width of one tile private float height; // height of one tile private int selX; // X index of selection private int selY; // Y index of selection private final Rect selRect = new Rect(); public draw2D(Context context) { super(context); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { width = w / 9f; height = h / 9f; getRect(selX, selY, selRect); Log.d(TAG, "onSizeChanged: width " + width + ", height " + height); super.onSizeChanged(w, h, oldw, oldh); } @Override protected void onDraw(Canvas canvas) { // Draw the background... Paint background = new Paint(); background.setColor(getResources().getColor(R.color.background)); canvas.drawRect(0, 0, getWidth(), getHeight(), background); // Draw the board... // Define colors for the grid lines Paint dark = new Paint(); dark.setColor(getResources().getColor(R.color.dark)); Paint hilite = new Paint(); hilite.setColor(getResources().getColor(R.color.hilite)); Paint light = new Paint(); light.setColor(getResources().getColor(R.color.light)); // Draw the minor grid lines for (int i = 0; i < 9; i++) { canvas.drawLine(0, i * height, getWidth(), i * height, light); canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1, hilite); canvas.drawLine(i * width, 0, i * width, getHeight(), light); canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(), hilite); } // Draw the major grid lines for (int i = 0; i < 9; i++) { if (i % 3 != 0) continue; canvas.drawLine(0, i * height, getWidth(), i * height, dark); canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1, hilite); canvas.drawLine(i * width, 0, i * width, getHeight(), dark); canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(), hilite); } /* * dark.setColor(Color.MAGENTA); Path circle= new Path(); * circle.addCircle(150, 150, 100, Path.Direction.CW); * canvas.drawPath(circle, dark); * * * Path rect=new Path(); * * RectF rectf= new RectF(150,200,250,300); rect.addRect(rectf, * Path.Direction.CW); canvas.drawPath(rect, dark); * * * canvas.drawRect(0, 0,250, 250, dark); * * * canvas.drawText("Hello", 200,200, dark); */ Paint selected = new Paint(); selected.setColor(Color.GREEN); canvas.drawRect(selRect, selected); } /* * public boolean onTouchEvent(MotionEvent event){ * if(event.getAction()!=MotionEvent.ACTION_DOWN) return * super.onTouchEvent(event); * select((int)(event.getX()/width),(int)(event.getY()/height)); * * * return true; } */ private void select(int x, int y) { invalidate(selRect); selX = Math.min(Math.max(x, 0), 8); selY = Math.min(Math.max(y, 0), 8); getRect(selX, selY, selRect); invalidate(selRect); } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { return super.onKeyUp(keyCode, event); } @Override public boolean onTouchEvent(MotionEvent event) { if (event.getAction() != MotionEvent.ACTION_DOWN) return super.onTouchEvent(event); select((int) (event.getX() / width), (int) (event.getY() / height)); // game.showKeypadOrError(selX, selY); Log.d(TAG, "onTouchEvent: x " + selX + ", y " + selY); return true; } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { Log.d(TAG, "onKeyDown: keycode=" + keyCode + ", event=" + event); switch (keyCode) { case KeyEvent.KEYCODE_DPAD_UP: select(selX, selY - 1); break; case KeyEvent.KEYCODE_DPAD_DOWN: select(selX, selY + 1); break; case KeyEvent.KEYCODE_DPAD_LEFT: select(selX - 1, selY); break; case KeyEvent.KEYCODE_DPAD_RIGHT: select(selX + 1, selY); break; default: return super.onKeyDown(keyCode, event); } return true; } private void getRect(int x, int y, Rect rect) { rect.set((int) (x * width), (int) (y * height), (int) (x * width + width), (int) (y * height + height)); } } }

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• What is a Data Warehouse?

  Typically Data Warehouses are considered to be non-volatile in comparison to traditional databasesdue to the fact that data within the warehouse does not change that often.  In addition, Data Warehouses typically represent data through the use of Multidimensional Conceptual Views that allow data to be extracted based on the view and the current position within the view. Common Data Warehouse Traits Relatively Non-volatile Data Supports Data Extraction and Analysis Optimized for Data Retrieval and Analysis Multidimensional Views of Data Flexible Reporting Multi User Support Generic Dimensionality Transparent Accessible Unlimited Dimensions of Data Unlimited Aggregation levels of Data Normally, Data Warehouses are much larger then there traditional database counterparts due to the fact that they store the basis data along with derived data via Multidimensional Conceptual Views. As companies store larger and larger amounts of data, they will need a way to effectively and accurately extract analysis information that can be used to aide in formulating current and future business decisions. This process can be done currently through data mining within a Data Warehouse. Data Warehouses provide access to data derived through complex analysis, knowledge discovery and decision making. Secondly, they support the demands for high performance in regards to analyzing an organization’s existing and current data. Data Warehouses provide support for an organization’s data and acquired business knowledge.  Within a Data Warehouse multiple types of operations/sub systems are supported. Common Data Warehouse Sub Systems Online Analytical Processing (OLAP) Decision –Support Systems (DSS) Online Transaction Processing (OLTP)

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• CodePlex Daily Summary for Tuesday, June 25, 2013

  CodePlex Daily Summary for Tuesday, June 25, 2013Popular ReleasesCrmRestKit.js: CrmRestKit-2.6.1.js: Improvments for "ByQueryAll": Instead of defering unit all records are loaded, the progress-handler is invoked for each 50 records Added "progress-handler" support for "ByQueryAll" See: http://api.jquery.com/deferred.notify/* See Unit-tests for details ('Retrieve all with progress notification')VG-Ripper & PG-Ripper: VG-Ripper 2.9.44: changes NEW: Added Support for "ImgChili.net" links FIXED: Auto UpdaterMinesweeper by S. Joshi: Minesweeper 1.0.0.1: Zipped!Alfa: Alfa.Common 1.0.4923: Removed useless property ErrorMessage from StringRegularExpressionValidationRule Repaired ErrorWindow and disabled report button after click action Implemented: DateTimeRangeValidationRule DateTimeValidationRule DateValidationRule NotEmptyValidationRule NotNullValidationRule RequiredValidationRule StringMaxLengthValidationRule StringMinLengthValidationRule TimeValidationRule DateTimeToStringConverter DecimalToStringConverter StringToDateTimeConverter StringToDecima...Document.Editor: 2013.25: What's new for Document.Editor 2013.25: Improved Spell Check support Improved User Interface Minor Bug Fix's, improvements and speed upsStyleMVVM: 3.0.2: This is a minor feature and bug fix release Features: ExportWhenDebuggerIsAttacedAttribute - new attribute that marks an attribute to only be exported when the debugger is attahced InjectedFilterAttributeFilterProvider - new Attribute Filter provider for MVC that injects the attributes Performance Improvements - minor speed improvements all over, and Import collections is now 50% faster Bug Fixes: Open Generic Constraints are now respected when finding exports Fix for fluent registrat...Base64 File Converter: First release: - One file can be converted at a time. - Bytes to Base64 and Base64 to Bytes conversions are availableADExtractor - work with Active-Directory: V1.3.0.2: 1.3.0.2- added optional value-index to properties - added new aggregation "Literal" to pass-through values - added new SQL commandline-switch --db to override the connection string - added new global commandline-switch --quiet to reduce output to minimum 1.3.0.1- sub-property resolution now working with aggregation (ie. All(member.objectGuid)) 1.3.0.0- added correct formatting for guids (GuidFormatter)EMICHAG: EMICHAG NETMF 4.2: Alpha release of the 4.2 version.WPF Composites: Version 4.3.0: In this Beta release, I broke my code out into two separate projects. There is a core FasterWPF.dll with the minimal required functionality. This can run with only the Aero.dll and the Rx .dll's. Then, I have a FasterWPFExtras .dll that requires and supports the Extended WPF Toolkit™ Community Edition V 1.9.0 (including Xceed DataGrid) and the Thriple .dll. This is for developers who want more . . . Finally, you may notice the other OPTIONAL .dll's available in the download such as the Dyn...Windows.Forms.Controls Revisited (SSTA.WinForms): SSTA.WinForms 1.0.0: Latest stable releaseAscend 3D: Ascend 2.0: Release notes: Implemented bone/armature animation Refactored class hierarchy and naming Addressed high CPU usage issue during animation Updated the Blender exporter and Ascend model format (now XML) Created AscendViewer, a tool for viewing Ascend modelsIndent Guides for Visual Studio: Indent Guides v13: ImportantThis release does not support Visual Studio 2010. The latest stable release for VS 2010 is v12.1. Version History Changed in v13 Added page width guide lines Added guide highlighting options Fixed guides appearing over collapsed blocks Fixed guides not appearing in newly opened files Fixed some potential crashes Fixed lines going through pragma statements Various updates for VS 2012 and VS 2013 Removed VS 2010 support Changed in v12.1: Fixed crash when unable to start...Fluent Ribbon Control Suite: Fluent Ribbon Control Suite 2.1.0 - Prerelease d: Fluent Ribbon Control Suite 2.1.0 - Prerelease d(supports .NET 3.5, 4.0 and 4.5) Includes: Fluent.dll (with .pdb and .xml) Showcase Application Samples (not for .NET 3.5) Foundation (Tabs, Groups, Contextual Tabs, Quick Access Toolbar, Backstage) Resizing (ribbon reducing & enlarging principles) Galleries (Gallery in ContextMenu, InRibbonGallery) MVVM (shows how to use this library with Model-View-ViewModel pattern) KeyTips ScreenTips Toolbars ColorGallery *Walkthrough (do...Magick.NET: Magick.NET 6.8.5.1001: Magick.NET compiled against ImageMagick 6.8.5.10. Breaking changes: - MagickNET.Initialize has been made obsolete because the ImageMagick files in the directory are no longer necessary. - MagickGeometry is no longer IDisposable. - Renamed dll's so they include the platform name. - Image profiles can now only be accessed and modified with ImageProfile classes. - Renamed DrawableBase to Drawable. - Removed Args part of PathArc/PathCurvetoArgs/PathQuadraticCurvetoArgs classes. The...Three-Dimensional Maneuver Gear for Minecraft: TDMG 1.1.0.0 for 1.5.2: CodePlex???(????????) ?????????(???1/4) ??????????? ?????????? ???????????(??????????) ??????????????????????? ↑????、?????????????????????(???????) ???、??????????、?????????????????????、????????1.5?????????? Shift+W(????)??????????????????10°、?10°(?????????)???Hyper-V Management Pack Extensions 2012: HyperVMPE2012 (v1.0.1.126): Hyper-V Management Pack Extensions 2012 Beta ReleaseOutlook 2013 Add-In: Email appointments: This new version includes the following changes: - Ability to drag emails to the calendar to create appointments. Will gather all the recipients from all the emails and create an appointment on the day you drop the emails, with the text and subject of the last selected email (if more than one selected). - Increased maximum of numbers to display appointments to 30. You will have to uninstall the previous version (add/remove programs) if you had installed it before. Before unzipping the file...Caliburn Micro: WPF, Silverlight, WP7 and WinRT/Metro made easy.: Caliburn.Micro v1.5.2: v1.5.2 - This is a service release. We've fixed a number of issues with Tasks and IoC. We've made some consistency improvements across platforms and fixed a number of minor bugs. See changes.txt for details. Packages Available on Nuget Caliburn.Micro – The full framework compiled into an assembly. Caliburn.Micro.Start - Includes Caliburn.Micro plus a starting bootstrapper, view model and view. Caliburn.Micro.Container – The Caliburn.Micro inversion of control container (IoC); source code...SQL Compact Query Analyzer: 1.0.1.1511: Beta build of SQL Compact Query Analyzer Bug fixes: - Resolved issue where the application crashes when loading a database that contains tables without a primary key Features: - Displays database information (database version, filename, size, creation date) - Displays schema summary (number of tables, columns, primary keys, identity fields, nullable fields) - Displays the information schema views - Displays column information (database type, clr type, max length, allows null, etc) - Support...New Projectsalgorithm interview: Write some code for programming interview questionsAmbiTrack: AmbiTrack provides marker-free localization and tracking using an array of cameras, e.g. the PlayStation Eye.DSeX DragonSpeak eXtended Editor: Furcadia DragonSpeak EditorEasyProject: easy project is finel engineering project this sys made for easy way to manage emploees of a small business or organization .EDIVisualizer SDK: EDIVisualizer SDK is a software developpement kit (SDK) for creating plugin used by EDIVisualizer program.Flame: Interactive shell for scripting in IronRuby IronPython Powershell C#, with syntax highlighting, autocomplete,and for easily work within a .NET framework consoleFusion-io MS SQL Server scripts: Fusion-io's Sumeet Bansal shows how Microsoft SQL Server users can quickly determine whether their database will benefit from Fusion-io ioMemory products.hotelprimero: Proyecto de hotelImage filters: It's a simple image filter :)JSLint.NET: JSLint.NET is a wrapper for Douglas Crockford's JSLint, the JavaScript code quality tool. It can validate JavaScript anywhere .NET runs.KZ.Express.H: KZ.Express.Hmoleshop: moleshop???asp.net ???????B2C????，????????.net???????????。moleshop??asp.net mvc 4.0???，???.net 4.0??。 moleshop???????，??AL2.0 ????，????????????????，????????。PDF Generator Net Free Xml Parser: PDF Generator Net Free Xml Parser?XML?????????????????????。?????????????????????CSV?????????PDF???????????????????????。ScreenCatcher: ScreenCatcher is a program for creating screenshots.SharePoint Configuration Guidance for 21 CFR Part 11 Compliance – SP 2013: This CodePlex project provides the Paragon Solutions configurations and code to support 21 CFR Part 11 compliance with SharePoint 2013.Sky Editor: Save file editor for Pokémon Mystery Dungeon: Explorers of Sky with limited support for Explorers of Time and DarknessTRANCIS: For foundation and runnning online operations for Trancis.UGSF GRAND OUEST: UGSF GRAND OUESTWP.JS: WP.JS (Windows Phone (dot) Javascript) aims to be a compelling library for developing HTML5-based applications for Windows Phone 8.X-Aurora: X-Aurora ?? MVC3

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• Chrome and Firefox not able to find some sites after Ubuntu's recent update?

  - by gkr

  Loading of revision3.com in Chrome stops and status saying "waiting for static.inplay.tubemogul.com" grooveshark.com in Chrome never loads But wikipedia.org, google.com works just normal same behavior in Firefox too. I use wired DSL connection in Ubuntu 12.04. I guess this started happening after I upgraded the Chrome browser or Flash plugin few days ago from Ubuntu updates through update-manager. Thanks EDIT: Everything works normal in my WinXP. Problem is only in Ubuntu 12.04. This is what I get when I use wget gkr@gkr-desktop:~$ wget revision3.com --2012-06-12 08:58:01-- http://revision3.com/ Resolving revision3.com (revision3.com)... 173.192.117.198 Connecting to revision3.com (revision3.com)|173.192.117.198|:80... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [text/html] Saving to: `index.html' [ ] 81,046 32.0K/s in 2.5s 2012-06-12 08:58:04 (32.0 KB/s) - `index.html' saved [81046] gkr@gkr-desktop:~$ wget static.inplay.tubemogul.com --2012-06-12 08:51:25-- http://static.inplay.tubemogul.com/ Resolving static.inplay.tubemogul.com (static.inplay.tubemogul.com)... 72.21.81.253 Connecting to static.inplay.tubemogul.com (static.inplay.tubemogul.com)|72.21.81.253|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2012-06-12 08:51:25 ERROR 404: Not Found. grooveshark.com nevers responses so I have to Ctrl+C to terminate wget. gkr@gkr-desktop:~$ wget grooveshark.com --2012-06-12 08:51:33-- http://grooveshark.com/ Resolving grooveshark.com (grooveshark.com)... 8.20.213.76 Connecting to grooveshark.com (grooveshark.com)|8.20.213.76|:80... connected. HTTP request sent, awaiting response... ^C gkr@gkr-desktop:~$ This is the apt term.log of updates I mentioned Log started: 2012-06-09 04:51:45 (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 161392 files and directories currently installed.) Preparing to replace google-chrome-stable 19.0.1084.52-r138391 (using .../google-chrome-stable_19.0.1084.56-r140965_i386.deb) ... Unpacking replacement google-chrome-stable ... Preparing to replace libpulse0 1:1.1-0ubuntu15 (using .../libpulse0_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement libpulse0 ... Preparing to replace libpulse-mainloop-glib0 1:1.1-0ubuntu15 (using .../libpulse-mainloop-glib0_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement libpulse-mainloop-glib0 ... Preparing to replace libpulsedsp 1:1.1-0ubuntu15 (using .../libpulsedsp_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement libpulsedsp ... Preparing to replace sudo 1.8.3p1-1ubuntu3.2 (using .../sudo_1.8.3p1-1ubuntu3.3_i386.deb) ... Unpacking replacement sudo ... Preparing to replace flashplugin-installer 11.2.202.235ubuntu0.12.04.1 (using .../flashplugin-installer_11.2.202.236ubuntu0.12.04.1_i386.deb) ... Unpacking replacement flashplugin-installer ... Preparing to replace pulseaudio-utils 1:1.1-0ubuntu15 (using .../pulseaudio-utils_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-utils ... Preparing to replace pulseaudio 1:1.1-0ubuntu15 (using .../pulseaudio_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio ... Preparing to replace pulseaudio-module-gconf 1:1.1-0ubuntu15 (using .../pulseaudio-module-gconf_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-module-gconf ... Preparing to replace pulseaudio-module-x11 1:1.1-0ubuntu15 (using .../pulseaudio-module-x11_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-module-x11 ... Preparing to replace shared-mime-info 1.0-0ubuntu4 (using .../shared-mime-info_1.0-0ubuntu4.1_i386.deb) ... Unpacking replacement shared-mime-info ... Preparing to replace pulseaudio-module-bluetooth 1:1.1-0ubuntu15 (using .../pulseaudio-module-bluetooth_1%3a1.1-0ubuntu15.1_i386.deb) ... Unpacking replacement pulseaudio-module-bluetooth ... Processing triggers for menu ... /usr/share/menu/downverter.menu: 1: /usr/share/menu/downverter.menu: Syntax error: word unexpected (expecting ")") Processing triggers for man-db ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf.index... Processing triggers for desktop-file-utils ... Processing triggers for gnome-menus ... Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Processing triggers for update-notifier-common ... flashplugin-installer: downloading http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.2.202.236.orig.tar.gz Installing from local file /tmp/tmpNrBt4g.gz Flash Plugin installed. Processing triggers for doc-base ... Processing 1 changed doc-base file... Registering documents with scrollkeeper... Setting up google-chrome-stable (19.0.1084.56-r140965) ... Setting up libpulse0 (1:1.1-0ubuntu15.1) ... Setting up libpulse-mainloop-glib0 (1:1.1-0ubuntu15.1) ... Setting up libpulsedsp (1:1.1-0ubuntu15.1) ... Setting up sudo (1.8.3p1-1ubuntu3.3) ... Installing new version of config file /etc/pam.d/sudo ... Setting up flashplugin-installer (11.2.202.236ubuntu0.12.04.1) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Setting up pulseaudio-utils (1:1.1-0ubuntu15.1) ... Setting up pulseaudio (1:1.1-0ubuntu15.1) ... Setting up pulseaudio-module-gconf (1:1.1-0ubuntu15.1) ... Setting up pulseaudio-module-x11 (1:1.1-0ubuntu15.1) ... Setting up shared-mime-info (1.0-0ubuntu4.1) ... Setting up pulseaudio-module-bluetooth (1:1.1-0ubuntu15.1) ... Processing triggers for menu ... /usr/share/menu/downverter.menu: 1: /usr/share/menu/downverter.menu: Syntax error: word unexpected (expecting ")") Processing triggers for libc-bin ... ldconfig deferred processing now taking place Log ended: 2012-06-09 04:53:32 This is from history.log Start-Date: 2012-06-09 04:51:45 Commandline: aptdaemon role='role-commit-packages' sender=':1.56' Upgrade: shared-mime-info:i386 (1.0-0ubuntu4, 1.0-0ubuntu4.1), pulseaudio:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), libpulse-mainloop-glib0:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), sudo:i386 (1.8.3p1-1ubuntu3.2, 1.8.3p1-1ubuntu3.3), pulseaudio-module-bluetooth:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), pulseaudio-module-x11:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), flashplugin-installer:i386 (11.2.202.235ubuntu0.12.04.1, 11.2.202.236ubuntu0.12.04.1), pulseaudio-utils:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), pulseaudio-module-gconf:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), libpulse0:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), libpulsedsp:i386 (1.1-0ubuntu15, 1.1-0ubuntu15.1), google-chrome-stable:i386 (19.0.1084.52-r138391, 19.0.1084.56-r140965) End-Date: 2012-06-09 04:53:32

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• links for 2011-02-25

  - by Bob Rhubart

  The (non) Importance of Language (Enterprise Architecture at Oracle) (tags: ping.fm entarch) ArchBeat (tags: ping.fm) Andrejus Baranovskis's Blog: Beware of Hackers - Keep ADF Task Flows inside WEB-INF Oracle ACE Director Andrejus Baranovskis with a word of caution. (tags: oracle oracleace otn adf) Introduction to WebCenter Personalization: The Conductor; (WebCenter Personalization) Steve Pepper offers an introduction to the Conductor component in Oracle WebCenter Personalization. (tags: oracle otn webcenter enterprise2.0) Batch Aggregation of files in BPEL process instances based on correlation AMIS Technology blog Oracle ACE Director Lucas Jellema shares his solution to a colleague's challenge. (tags: oracle otn oracleace soa bpel) Bradley D. Brown: Watch Out Larry...Here they Come! "Every Fortune 500 company that I've talked to in the last few months is trying to figure out their mobile strategy. Organizations are getting the push from the top down - i.e. executives are asking for data from their mobile devices." - Oracle ACE Director Brad Brown (tags: oracle otn ipad mobilecomputing entarch oracleace) Oracle Technology Network Developer Day - You are the future of Java. Boston, March 3. Designed for the enterprise professional, this event will teach you about the latest developments in the Java Virtual Machine, Java EE, Java SE, Java on the Desktop, and Embedded Java. Whether you're a developer or architect, or managing a team of them, this is an event you can't miss. (tags: oracle otn java)

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• Suggested Resources Visual Studio Plug-In

  Todays post is a quick plug for a new tool developed by my friend Olaf Conijn, who (amongst other things) has been a developer on several versions of Enterprise Library. His new tool is called Suggested Resources for .NET Developers, and the current 0.8 release works with both Visual Studio 2008 and Visual Studio 2010. So what does it do? Well heres what Olaf has to say: This Visual Studio Integration Package is a proof of concept in: Aggregation of online content within the Visual Studio IDE. Analysis of development activities within the Visual Studio IDE. This combination of features allows Suggested Resources for .NET developers to pro-actively suggest online content that applies on the task being performed by a developer... A bit like having a programming pair that searches for online resources while you focus on getting the job done. For more info, screenshots and downloads, head to the Codeplex project site or the Visual Studio Gallery page.Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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