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  • How to determine, upon launch, whether the app crashed the last time it quit?

    - by enchilada
    One of the crash reporter frameworks I've found does it like this: If there exist crash reports in the ~/Library/Logs/CrashReporter folder for the app, it determines that a crash occurred before. Then it allows the user to send the developer the crash log. And the finally, it deletes those logs. It is this deletion that is bothering me. It's not acceptable to me. Maybe the user wants to look at those logs later. It is simply rude to the user to just delete his crash logs. So I'm looking for a better way to determine the crash. It doesn't really work to store the last read crash logs in the user defaults or the user data, because that would mean that if the user deletes the data and defaults (which he has a right to do whenever he or she wishes), and then launches the app, it will be detected as crashed the last time it was quit. So this doesn't work. Any ideas?

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  • Data storage advice needed: Best way to store location + time data?

    - by sobedai
    I have a project in mind that will require the majority of queries to be keyed off of lat/long as well as date + time. Initially, I was thinking of a standard RDBMS where lat, long, and the datetime field are properly indexed. Then, I began thinking of a document based system where the document was essentially a timestamp and each document has lat/long with in it. Each document could have n objects associated with it. I'm looking for advice on what would be the best type of storage engine for this sort of thing is - which of the above idea would be better or if there is something else completely that is the ideal solution. Thanks

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  • Is it possible to use template and value at the same time on data-bind?

    - by Anonymous
    I have two sections of code. Code #1: <select data-bind="options: operatingSystems, optionsText: function (item) { return item.Name }, value: selectedOperatingSystem"></select> Code #2: <script type="text/html" id="os-template-detail"> <option data-bind="text: Name" class="body-text"></option> </script> <select data-bind="value: selectedOperatingSystem, template: { name: 'os-template-detail', foreach: operatingSystems }"></select> Both shows data from json correctly. With code #1, it updates the value when I select an item on the list while code #2 does not update anything when I change the item. I am pretty new to Knockout.js and have no idea why Code #2 doesn't work. Is it the limitation of Knockout that preventing me from using template and value at the same time?

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  • Does XSD allow simpleContent and complexContent at the same time?

    - by Willi Schönborn
    I want to write an xsd for the xmlrpc spec (and generate java classes out of it using jaxb). The xmlrpc spec allows values like: <value><int>123</int></value> <value><boolean>1</boolean></value> But at the same time it requires: If no type is indicated, the type is string. Which means i could receive something like this: <value>test123</value> which is equivalent to <value><string>test123</string></value> Is there a way to define this in an xsd.

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  • How to display only selected data in combo box at run time from database?

    - by Joy1979
    I am new to .Net and I am working on one task. Below is my scenario. I have 2 tables: Table 1: Students StudentID StudentDetail 1 StudentName 2 StudentGrade Table 2: Student_data StudentDetail StudentRecords StudentName John (Default) StudentName Jacob StudentName Smith StudentGrade A (default) StudentGrade B StudentGrade C Question: When window form loads (run time) I need to display StudentRecords in combo box with StudentName = "John" and StudentGrade = "A" as default followed by other values. StudentName and StudentRecords are in Labels and values are in a ComboBox. I am using VB.Net and VS 2010 with SQL 2008r2. I would appreciate any step by step help. Apologies If my request is simple.

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  • Constant time change first k elements of an array in C++?

    - by Johny 96
    Let's suppose I have an array: bool eleme[1000000] = {false}; and at some point in my code I change some of the first of the n elements of this array to true. Afterwards I want to be sure that all elements of the array are false. So I do: for (int i =0; i < n; ++i) eleme[i] = false; which costs T(n). Is there a way to do this in constant time? E.g. something like make_false(eleme, n);

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  • How do you extract data from a Date/Time widget from a C++ MFC dialog in VS2008

    - by jkerian
    This is a fairly basic question, but I haven't been able to find any from-to guides from VS6-VS2008. I have a dialog box that contains controls of various types, I've discovered the way of auto-generating OnBnClickedMyFooBarButtonHere() methods via the Properties dialog on the dialog editor. I can also use CWnd::GetDlgItemText(int ,CString &) to extract text, and the oddly paramaterized GetDlgItemInt(int, bool*, bool) to extract signed integers, but is there really no other option for a Date or Time value other than Manually adding in all the DDX_ crap that the class wizard used to do in VS6 Using GetDlgItemText and then parsing whatever it gives me?

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  • VS2010 patch: why it's take so much time to install it? [closed]

    - by Mendy
    Visual Studio 2010 RC has a few of patches release. For more information about them take a look here. What I'm expect from patch program, is to replace a few dll's of the program to a new fixed version of them. But when I run each of this 3 patches, they take a lot of time (5 minutes each), and you think that the program was frozen because the progress bar stay on the begging. This is question may not be so important, but it really interesting me to know, why this happens? It's really confusing to see that each VS2010 (or Microsoft in general) is frozen to 4-5 minutes.

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  • How to group a period of time into yearly periods ? (split timespan into yearly periods)

    - by user315648
    I have a range of two datetimes: DateTime start = new DateTime(2012,4,1); DateTime end = new DateTime(2016,7,1); And I wish to get all periods GROUPED BY YEAR between this period. Meaning the output has to be: 2012-04-01 - 2012-12-31 2013-01-01 - 2013-12-31 2014-01-01 - 2014-12-31 2015-01-01 - 2015-12-31 2016-01-01 - 2016-07-01 Preferably the output would be in IList<Tuple<DateTime,DateTime>> list. How would you do this ? Is there anyway to do this with LINQ somehow ? Oh and daylight saving time is not absolutely critical, but surely a bonus. Thanks!

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  • How to create a MySQL query for time based elements with a 'safe window'?

    - by pj4533
    I am no SQL expert, far from it. I am writing a Rails application, and I am new at that as well. I come from a desktop programming background. My application has a table of data, one of the columns is the time at which the data was logged. I want to create a query with a 'safe window' around EACH row. By that I mean, it returns the first row, then for X minutes (based on the timelogged column) it won't return any data, once X minutes is up, it will return the next row. For example: ID | TimeLogged 1 | 3/5/2010 12:01:01 2 | 3/5/2010 12:01:50 3 | 3/5/2010 12:02:03 4 | 3/5/2010 12:10:30 5 | 3/5/2010 01:30:03 6 | 3/5/2010 01:31:05 With a 'safe window' of 5 minutes I want to create a query to return: 1 | 3/5/2010 12:01:01 4 | 3/5/2010 12:10:30 5 | 3/5/2010 01:30:03 (It skipped the 12:01:50 and 12:02:03 items because they occurred within 5 minutes of the first item.) Another example, with a 'safe window' of 15 minutes I want to return: 1 | 3/5/2010 12:01:01 5 | 3/5/2010 01:30:03 Perhaps I have to just return all data and parse it myself?

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  • GWT Editor: How to set last modified time on the entity when saved?

    - by Mike
    Suppose at client side i have an Entity proxy to edit by the UI and when i click save button, the last modified time is save in the entity as a field. //start MyEntityProxy proxy = getProxy();//fetched from server Request<Void> saveRequest = requestFact.myEntityProxyRequest().save(proxy); editorDriver.edit(proxy, saveRequest.getRequestContext()); editorDriver.flush(); //user modifies UI .... //save editorDriver.flush(); saveRequest.fire(); The problem is, where to insert the proxy.setLastModifiedTime(data) call? I always got java.lang.IllegalStateException: The AutoBean has been frozen. Thanks.

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  • Querying a smalldatetime's date and time seperately in SQL server?

    - by Kylee
    Imagine a table that has two fields, a smalltimedate and an int and about 1000 rows of data. What I'm attempting to do in query is to find the average of the INT field for rows between 3/3/2010 - 3/13/2010 and only if the entry is between 6:00am - 11:00pm. I tried between '2010-03-03 06:00 AND 2010-03-13 23:00' However that only restricts that very beginning and end times. I could do this with a loop but I'm going to need to have the same query run over much larger date ranges and this will quickly eat server resources. Is there a way to query date and time seperately?

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  • Java: Best approach to have a long list of variables needed all the time without consuming memory?

    - by evilReiko
    I wrote an abstract class to contain all rules of the application because I need them almost everywhere in my application. So most of what it contains is static final variables, something like this: public abstract class appRules { public static final boolean IS_DEV = true; public static final String CLOCK_SHORT_TIME_FORMAT = "something"; public static final String CLOCK_SHORT_DATE_FORMAT = "something else"; public static final String CLOCK_FULL_FORMAT = "other thing"; public static final int USERNAME_MIN = 5; public static final int USERNAME_MAX = 16; // etc. } The class is big and contains LOTS of such variables. My Question: Isn't setting static variables means these variables are floating in memory all the time? Do you suggest insteading of having an abstract class, I have a instantiable class with non-static variables (just public final), so I instantiate the class and use the variables only when I need them. Or is what am I doing is completely wrong approach and you suggest something else?

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  • How to strip debug code during compile time in C++?

    - by juvenis
    Say I have a C++ function debugPrint(int foo). How can I most conveniently strip that from release builds? I do not want to surround every call to debugPrint with #ifdefs as it would be really time consuming. On the other hand, I want to be 100% sure that the compiler strips all the calls to that function, and the function itself from release builds. The stripping should happen also, if it's called with a parameter that results from a function call. E.g., debugPrint(getFoo());. In that case I want also the getFoo() call to be stripped. I understand that function inlining could be an option, but inlining is not guaranteed to be supported.

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  • Showing val as html inside of a div in real time.

    - by smudge
    I'm using the following in order to have on screen display of each value of a checkbox that's selected with great results when it's displayed inside a textbox. I'd like to change it so that I can show a real time display in a div as html instead of a textbox. A link to a working demo is here and below is the script. I know it's probably a basic line or two but i'm still learning and new. thanks! function updateTextArea() { var allVals = []; $('#c_b :checked').each(function() { allVals.push($(this).val()); }); $('#t').val(allVals) } $(function() { $('#c_b input').click(updateTextArea); updateTextArea(); });

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  • Can I play any Buffer only once at a given time?

    - by mystify
    From the OpenAL documentation: The basic OpenAL objects are a Listener, a Source, and a Buffer. There can be a large number of Buffers, which contain audio data. Each buffer can be attached to one or more Sources My problem is, that I have one sound file which I need to play multiple times per second, at the same time. The sound is 2 seconds long. So it will overlap. Would I need multiple filled buffers for this (= multiple times that sound in memory)? If I would attach one Buffer to multiple Sources, would I be able to play the sound 10 times, overlapping itself, with just one copy in memory? Or would I still have to deal with 10 copies of that sound in memory?

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  • is it good to write multiple time(separate) <script type="text/javascript"> on one php page?

    - by I Like PHP
    i m using many tiny java script code at one php page, i always write java script code in below style <script type="text/javascript"> // <![CDATA[ ----code 1--------- // ]]> </script> <script type="text/javascript"> // <![CDATA[ ----code 2----- // ]]> </script> <script type="text/javascript"> // <![CDATA[ $(document).ready.(function(){ }); // ]]> </script> i want to know that is it good practice to write separate <script type="text/javascript"></script> on same page or we have to write all java script code under one time declaration

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  • Running a piece of code for a certain amount of time in C#?

    - by Hazem
    Hi I am working on a robot that is capable of motion detection using a webcam. I am doing this in C# The robot moves too fast, so I want to turn it on/off at short time intervals in order to reduce its speed. For example, it will start the engine then wait 0.5 second and turn it off, this cycle repeats every 2 seconds. This way, its speed wont be too fast. I would like to include this in a single function called Move() I just don't know how to do this, especially because my motion detection code runs like 20 times a second. Depending on the position of the obstacle, I may need to disable the Move() function and activate other functions that let the robot move into other directions. Any ideas/suggestions on where am I supposed to start? Thanks a lot!

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  • Is it possible to turn a normal date into an ISO 8601 time format?

    - by Nathan
    I am trying to turn this type of format of the date: Thursday, November 10th, 2011 at 10:37 PM Into an ISO 8601 format (with PHP). How can I do this? I've tried: date("c", $row2['time']) Obviously, that's not correct, because the timeago jQuery plugin is saying "41 years ago", and that is definitely not 41 years ago. Is it not possible to turn that kind of date into the ISO 8601 format? I've tried searching for this and I haven't found any solutions on how to turn this format into ISO 8601.

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  • BAD DC transfering FSMO Roles to ADC

    - by Suleman
    I have a DC (FQDN:server.icmcpk.local) and an ADC (FQDN:file-server.icmcpk.local). Recently my DC is facing a bad sector problem so I changed the Operation Masters to file-server for all five roles. but when ever i turn off the OLD DC the file-server also stops wroking with AD and GPMC further i m also unable to join any other computer to this domain. For Test purpose i also added a new ADC (FQDN:wds-server.icmcpk.local) but no succes with the old DC off i had to turn the old DC on and then joined it. I m attaching the Dcdiags for all three servers. Kindly help me so that i b able to reinstall new HDD and it can go online again. --------------------------------------- Server --------------------------------------- C:\Program Files\Support Tools>dcdiag Domain Controller Diagnosis Performing initial setup: Done gathering initial info. Doing initial required tests Testing server: Default-First-Site-Name\SERVER Starting test: Connectivity ......................... SERVER passed test Connectivity Doing primary tests Testing server: Default-First-Site-Name\SERVER Starting test: Replications [Replications Check,SERVER] A recent replication attempt failed: From FILE-SERVER to SERVER Naming Context: DC=ForestDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: DC=ForestDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From FILE-SERVER to SERVER Naming Context: DC=DomainDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: DC=DomainDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From FILE-SERVER to SERVER Naming Context: CN=Schema,CN=Configuration,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: CN=Schema,CN=Configuration,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. ......................... SERVER passed test Replications Starting test: NCSecDesc ......................... SERVER passed test NCSecDesc Starting test: NetLogons ......................... SERVER passed test NetLogons Starting test: Advertising ......................... SERVER passed test Advertising Starting test: KnowsOfRoleHolders ......................... SERVER passed test KnowsOfRoleHolders Starting test: RidManager ......................... SERVER passed test RidManager Starting test: MachineAccount ......................... SERVER passed test MachineAccount Starting test: Services ......................... SERVER passed test Services Starting test: ObjectsReplicated ......................... SERVER passed test ObjectsReplicated Starting test: frssysvol ......................... SERVER passed test frssysvol Starting test: frsevent There are warning or error events within the last 24 hours after the SYSVOL has been shared. Failing SYSVOL replication problems may cause Group Policy problems. ......................... SERVER failed test frsevent Starting test: kccevent ......................... SERVER passed test kccevent Starting test: systemlog An Error Event occured. EventID: 0x80001778 Time Generated: 05/04/2012 14:05:39 Event String: The previous system shutdown at 1:26:31 PM on An Error Event occured. EventID: 0x825A0011 Time Generated: 05/04/2012 14:07:45 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:13:40 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:14:25 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:14:25 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:14:38 (Event String could not be retrieved) An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:16:14 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Generate Activation Context failed for An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:16:14 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Generate Activation Context failed for An Error Event occured. EventID: 0x825A0011 Time Generated: 05/04/2012 14:22:57 (Event String could not be retrieved) An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:22:59 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Generate Activation Context failed for An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:22:59 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Generate Activation Context failed for ......................... SERVER failed test systemlog Starting test: VerifyReferences ......................... SERVER passed test VerifyReferences Running partition tests on : ForestDnsZones Starting test: CrossRefValidation ......................... ForestDnsZones passed test CrossRefValidation Starting test: CheckSDRefDom ......................... ForestDnsZones passed test CheckSDRefDom Running partition tests on : DomainDnsZones Starting test: CrossRefValidation ......................... DomainDnsZones passed test CrossRefValidation Starting test: CheckSDRefDom ......................... DomainDnsZones passed test CheckSDRefDom Running partition tests on : Schema Starting test: CrossRefValidation ......................... Schema passed test CrossRefValidation Starting test: CheckSDRefDom ......................... Schema passed test CheckSDRefDom Running partition tests on : Configuration Starting test: CrossRefValidation ......................... Configuration passed test CrossRefValidation Starting test: CheckSDRefDom ......................... Configuration passed test CheckSDRefDom Running partition tests on : icmcpk Starting test: CrossRefValidation ......................... icmcpk passed test CrossRefValidation Starting test: CheckSDRefDom ......................... icmcpk passed test CheckSDRefDom Running enterprise tests on : icmcpk.local Starting test: Intersite ......................... icmcpk.local passed test Intersite Starting test: FsmoCheck ......................... icmcpk.local passed test FsmoCheck ---------------------- File-Server ---------------------- C:\Users\Administrator.ICMCPK>dcdiag Directory Server Diagnosis Performing initial setup: Trying to find home server... Home Server = FILE-SERVER * Identified AD Forest. Done gathering initial info. Doing initial required tests Testing server: Default-First-Site-Name\FILE-SERVER Starting test: Connectivity ......................... FILE-SERVER passed test Connectivity Doing primary tests Testing server: Default-First-Site-Name\FILE-SERVER Starting test: Advertising Warning: DsGetDcName returned information for \\Server.icmcpk.local, when we were trying to reach FILE-SERVER. SERVER IS NOT RESPONDING or IS NOT CONSIDERED SUITABLE. ......................... FILE-SERVER failed test Advertising Starting test: FrsEvent ......................... FILE-SERVER passed test FrsEvent Starting test: DFSREvent ......................... FILE-SERVER passed test DFSREvent Starting test: SysVolCheck ......................... FILE-SERVER passed test SysVolCheck Starting test: KccEvent ......................... FILE-SERVER passed test KccEvent Starting test: KnowsOfRoleHolders ......................... FILE-SERVER passed test KnowsOfRoleHolders Starting test: MachineAccount ......................... FILE-SERVER passed test MachineAccount Starting test: NCSecDesc Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=ForestDnsZones,DC=icmcpk,DC=local Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=DomainDnsZones,DC=icmcpk,DC=local ......................... FILE-SERVER failed test NCSecDesc Starting test: NetLogons Unable to connect to the NETLOGON share! (\\FILE-SERVER\netlogon) [FILE-SERVER] An net use or LsaPolicy operation failed with error 67, The network name cannot be found.. ......................... FILE-SERVER failed test NetLogons Starting test: ObjectsReplicated ......................... FILE-SERVER passed test ObjectsReplicated Starting test: Replications ......................... FILE-SERVER passed test Replications Starting test: RidManager ......................... FILE-SERVER passed test RidManager Starting test: Services ......................... FILE-SERVER passed test Services Starting test: SystemLog An Error Event occurred. EventID: 0x00000469 Time Generated: 05/04/2012 14:01:10 Event String: The processing of Group Policy failed because of lack of network con nectivity to a domain controller. This may be a transient condition. A success m essage would be generated once the machine gets connected to the domain controll er and Group Policy has succesfully processed. If you do not see a success messa ge for several hours, then contact your administrator. An Warning Event occurred. EventID: 0x8000A001 Time Generated: 05/04/2012 14:07:11 Event String: The Security System could not establish a secured connection with th e server ldap/icmcpk.local/[email protected]. No authentication protocol was available. An Warning Event occurred. EventID: 0x00000BBC Time Generated: 05/04/2012 14:30:34 Event String: Windows Defender Real-Time Protection agent has detected changes. Mi crosoft recommends you analyze the software that made these changes for potentia l risks. You can use information about how these programs operate to choose whet her to allow them to run or remove them from your computer. Allow changes only if you trust the program or the software publisher. Windows Defender can't undo changes that you allow. An Warning Event occurred. EventID: 0x00000BBC Time Generated: 05/04/2012 14:30:36 Event String: Windows Defender Real-Time Protection agent has detected changes. Mi crosoft recommends you analyze the software that made these changes for potentia l risks. You can use information about how these programs operate to choose whet her to allow them to run or remove them from your computer. Allow changes only if you trust the program or the software publisher. Windows Defender can't undo changes that you allow. ......................... FILE-SERVER failed test SystemLog Starting test: VerifyReferences ......................... FILE-SERVER passed test VerifyReferences Running partition tests on : ForestDnsZones Starting test: CheckSDRefDom ......................... ForestDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... ForestDnsZones passed test CrossRefValidation Running partition tests on : DomainDnsZones Starting test: CheckSDRefDom ......................... DomainDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... DomainDnsZones passed test CrossRefValidation Running partition tests on : Schema Starting test: CheckSDRefDom ......................... Schema passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Schema passed test CrossRefValidation Running partition tests on : Configuration Starting test: CheckSDRefDom ......................... Configuration passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Configuration passed test CrossRefValidation Running partition tests on : icmcpk Starting test: CheckSDRefDom ......................... icmcpk passed test CheckSDRefDom Starting test: CrossRefValidation ......................... icmcpk passed test CrossRefValidation Running enterprise tests on : icmcpk.local Starting test: LocatorCheck ......................... icmcpk.local passed test LocatorCheck Starting test: Intersite ......................... icmcpk.local passed test Intersite --------------------- WDS-Server --------------------- C:\Users\Administrator.ICMCPK>dcdiag Directory Server Diagnosis Performing initial setup: Trying to find home server... Home Server = WDS-SERVER * Identified AD Forest. Done gathering initial info. Doing initial required tests Testing server: Default-First-Site-Name\WDS-SERVER Starting test: Connectivity ......................... WDS-SERVER passed test Connectivity Doing primary tests Testing server: Default-First-Site-Name\WDS-SERVER Starting test: Advertising Warning: DsGetDcName returned information for \\Server.icmcpk.local, when we were trying to reach WDS-SERVER. SERVER IS NOT RESPONDING or IS NOT CONSIDERED SUITABLE. ......................... WDS-SERVER failed test Advertising Starting test: FrsEvent There are warning or error events within the last 24 hours after the SYSVOL has been shared. Failing SYSVOL replication problems may cause Group Policy problems. ......................... WDS-SERVER passed test FrsEvent Starting test: DFSREvent ......................... WDS-SERVER passed test DFSREvent Starting test: SysVolCheck ......................... WDS-SERVER passed test SysVolCheck Starting test: KccEvent ......................... WDS-SERVER passed test KccEvent Starting test: KnowsOfRoleHolders ......................... WDS-SERVER passed test KnowsOfRoleHolders Starting test: MachineAccount ......................... WDS-SERVER passed test MachineAccount Starting test: NCSecDesc Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=ForestDnsZones,DC=icmcpk,DC=local Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=DomainDnsZones,DC=icmcpk,DC=local ......................... WDS-SERVER failed test NCSecDesc Starting test: NetLogons Unable to connect to the NETLOGON share! (\\WDS-SERVER\netlogon) [WDS-SERVER] An net use or LsaPolicy operation failed with error 67, The network name cannot be found.. ......................... WDS-SERVER failed test NetLogons Starting test: ObjectsReplicated ......................... WDS-SERVER passed test ObjectsReplicated Starting test: Replications ......................... WDS-SERVER passed test Replications Starting test: RidManager ......................... WDS-SERVER passed test RidManager Starting test: Services ......................... WDS-SERVER passed test Services Starting test: SystemLog An Error Event occurred. EventID: 0x0000041E Time Generated: 05/04/2012 14:02:55 Event String: The processing of Group Policy failed. Windows could not obtain the name of a domain controller. This could be caused by a name resolution failure. Verify your Domain Name Sysytem (DNS) is configured and working correctly. An Error Event occurred. EventID: 0x0000041E Time Generated: 05/04/2012 14:08:33 Event String: The processing of Group Policy failed. Windows could not obtain the name of a domain controller. This could be caused by a name resolution failure. Verify your Domain Name Sysytem (DNS) is configured and working correctly. ......................... WDS-SERVER failed test SystemLog Starting test: VerifyReferences ......................... WDS-SERVER passed test VerifyReferences Running partition tests on : ForestDnsZones Starting test: CheckSDRefDom ......................... ForestDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... ForestDnsZones passed test CrossRefValidation Running partition tests on : DomainDnsZones Starting test: CheckSDRefDom ......................... DomainDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... DomainDnsZones passed test CrossRefValidation Running partition tests on : Schema Starting test: CheckSDRefDom ......................... Schema passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Schema passed test CrossRefValidation Running partition tests on : Configuration Starting test: CheckSDRefDom ......................... Configuration passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Configuration passed test CrossRefValidation Running partition tests on : icmcpk Starting test: CheckSDRefDom ......................... icmcpk passed test CheckSDRefDom Starting test: CrossRefValidation ......................... icmcpk passed test CrossRefValidation Running enterprise tests on : icmcpk.local Starting test: LocatorCheck ......................... icmcpk.local passed test LocatorCheck Starting test: Intersite ......................... icmcpk.local passed test Intersite

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  • FFMPEG Segfault Solutions

    - by Brentley_11
    I'm trying to convert a bunch of movies into h.264 mp4's using FFMPEG. These movies are sourced from various portable camcorders such as the Flip Mino HD and the Kodak ZI8. One issue I'm having with video from the ZI8 is it seems to be causing FFMPEG to segfault. Here is my command: ffmpeg -i 'XmasSailor720p60fps.MOV' -threads 2 -acodec libfaac -ab 96kb -vcodec libx264 -vpre hq -b 500kb -s 484x272 XmasSailor.mp4 Here is the output: FFmpeg version SVN-r20668, Copyright (c) 2000-2009 Fabrice Bellard, et al. built on Dec 2 2009 18:37:34 with gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu4) configuration: --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared libavutil 50. 5. 1 / 50. 5. 1 libavcodec 52.42. 0 / 52.42. 0 libavformat 52.39. 2 / 52.39. 2 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0. 7. 2 / 0. 7. 2 libpostproc 51. 2. 0 / 51. 2. 0 Seems stream 0 codec frame rate differs from container frame rate: 59.94 (60000/1001) -> 29.97 (30000/1001) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'XmasSailor720p60fps.MOV': Duration: 00:00:05.37, start: 0.000000, bitrate: 12021 kb/s Stream #0.0(eng): Video: h264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 11994 kb/s, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 128 kb/s Metadata major_brand : qt minor_version : 0 compatible_brands: qt comment : KODAK Zi8 Pocket Video Camera comment-eng : KODAK Zi8 Pocket Video Camera [libx264 @ 0x99e1020]using SAR=1/1 [libx264 @ 0x99e1020]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64 [libx264 @ 0x99e1020]profile High, level 2.1 Output #0, mp4, to 'XmasSailor.mp4': Stream #0.0(eng): Video: libx264, yuv420p, 484x272 [PAR 1:1 DAR 121:68], q=10-51, 500 kb/s, 30k tbn, 29.97 tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 96 kb/s Metadata comment : Encoded with the Statusfirm Video Transcoder Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding [h264 @ 0x99de950]B picture before any references, skipping [h264 @ 0x99de950]decode_slice_header error [h264 @ 0x99de950]no frame! Error while decoding stream #0.0 [h264 @ 0x99de950]B picture before any references, skipping [h264 @ 0x99de950]decode_slice_header error [h264 @ 0x99de950]no frame! Error while decoding stream #0.0 frame= 20 fps= 0 q=13797729.0 size= 0kB time=0.66 bitrate= 0.6kbits/s frame= 39 fps= 37 q=13797729.0 size= 0kB time=1.30 bitrate= 0.3kbits/s frame= 48 fps= 30 q=33.0 size= 11kB time=0.10 bitrate= 903.0kbits/s frame= 58 fps= 27 q=31.0 size= 22kB time=0.43 bitrate= 421.0kbits/s frame= 67 fps= 25 q=29.0 size= 41kB time=0.73 bitrate= 462.6kbits/s frame= 75 fps= 23 q=29.0 size= 59kB time=1.00 bitrate= 486.7kbits/s frame= 83 fps= 22 q=29.0 size= 81kB time=1.27 bitrate= 521.9kbits/s frame= 90 fps= 21 q=29.0 size= 97kB time=1.50 bitrate= 530.1kbits/s frame= 98 fps= 20 q=29.0 size= 114kB time=1.77 bitrate= 526.9kbits/s frame= 106 fps= 20 q=29.0 size= 134kB time=2.04 bitrate= 537.7kbits/s frame= 114 fps= 19 q=29.0 size= 150kB time=2.30 bitrate= 533.7kbits/s frame= 122 fps= 19 q=29.0 size= 172kB time=2.57 bitrate= 547.8kbits/s frame= 130 fps= 19 q=29.0 size= 193kB time=2.84 bitrate= 557.5kbits/s frame= 136 fps= 18 q=29.0 size= 211kB time=3.04 bitrate= 570.0kbits/s frame= 144 fps= 18 q=29.0 size= 242kB time=3.30 bitrate= 599.5kbits/s frame= 152 fps= 17 q=30.0 size= 261kB time=3.57 bitrate= 598.6kbits/s frame= 157 fps= 15 q=-1.0 Lsize= 368kB time=5.21 bitrate= 579.3kbits/s video:302kB audio:61kB global headers:0kB muxing overhead 1.416371% [libx264 @ 0x99e1020]frame I:1 Avg QP:27.22 size: 8720 [libx264 @ 0x99e1020]frame P:48 Avg QP:25.15 size: 3759 [libx264 @ 0x99e1020]frame B:108 Avg QP:30.10 size: 1105 [libx264 @ 0x99e1020]consecutive B-frames: 0.6% 11.5% 28.8% 59.0% [libx264 @ 0x99e1020]mb I I16..4: 28.5% 47.6% 23.9% [libx264 @ 0x99e1020]mb P I16..4: 0.8% 1.3% 0.5% P16..4: 50.6% 17.7% 13.1% 0.0% 0.0% skip:15.9% [libx264 @ 0x99e1020]mb B I16..4: 0.2% 0.3% 0.1% B16..8: 44.0% 1.2% 2.6% direct: 5.1% skip:46.5% L0:45.5% L1:51.0% BI: 3.5% [libx264 @ 0x99e1020]final ratefactor: 23.51 [libx264 @ 0x99e1020]8x8 transform intra:49.9% inter:67.9% [libx264 @ 0x99e1020]direct mvs spatial:98.1% temporal:1.9% [libx264 @ 0x99e1020]coded y,uvDC,uvAC intra: 54.7% 76.1% 41.4% inter: 17.1% 24.4% 7.8% [libx264 @ 0x99e1020]i16 v,h,dc,p: 18% 52% 5% 25% [libx264 @ 0x99e1020]i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 22% 9% 7% 10% 10% 9% 8% 13% [libx264 @ 0x99e1020]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 18% 8% 8% 10% 13% 10% 9% 12% [libx264 @ 0x99e1020]Weighted P-Frames: Y:10.4% [libx264 @ 0x99e1020]ref P L0: 60.2% 15.3% 11.0% 7.6% 5.2% 0.7% [libx264 @ 0x99e1020]ref B L0: 72.6% 15.6% 11.8% [libx264 @ 0x99e1020]kb/s:471.17 Segmentation fault I'm wondering if anyone else has ran into similar issues. I wasn't able to find anything helpful via Google. Another question I have is if anyone knows of a company that offers paid support for FFMPEG. Thank you for your time.

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  • FFMPEG Segfault Solutions

    - by Brentley_11
    I'm trying to convert a bunch of movies into h.264 mp4's using FFMPEG. These movies are sourced from various portable camcorders such as the Flip Mino HD and the Kodak ZI8. One issue I'm having with video from the ZI8 is it seems to be causing FFMPEG to segfault. Here is my command: ffmpeg -i 'XmasSailor720p60fps.MOV' -threads 2 -acodec libfaac -ab 96kb -vcodec libx264 -vpre hq -b 500kb -s 484x272 XmasSailor.mp4 Here is the output: FFmpeg version SVN-r20668, Copyright (c) 2000-2009 Fabrice Bellard, et al. built on Dec 2 2009 18:37:34 with gcc 4.2.4 (Ubuntu 4.2.4-1ubuntu4) configuration: --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared libavutil 50. 5. 1 / 50. 5. 1 libavcodec 52.42. 0 / 52.42. 0 libavformat 52.39. 2 / 52.39. 2 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0. 7. 2 / 0. 7. 2 libpostproc 51. 2. 0 / 51. 2. 0 Seems stream 0 codec frame rate differs from container frame rate: 59.94 (60000/1001) -> 29.97 (30000/1001) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'XmasSailor720p60fps.MOV': Duration: 00:00:05.37, start: 0.000000, bitrate: 12021 kb/s Stream #0.0(eng): Video: h264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 11994 kb/s, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 128 kb/s Metadata major_brand : qt minor_version : 0 compatible_brands: qt comment : KODAK Zi8 Pocket Video Camera comment-eng : KODAK Zi8 Pocket Video Camera [libx264 @ 0x99e1020]using SAR=1/1 [libx264 @ 0x99e1020]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64 [libx264 @ 0x99e1020]profile High, level 2.1 Output #0, mp4, to 'XmasSailor.mp4': Stream #0.0(eng): Video: libx264, yuv420p, 484x272 [PAR 1:1 DAR 121:68], q=10-51, 500 kb/s, 30k tbn, 29.97 tbc Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 96 kb/s Metadata comment : Encoded with the Statusfirm Video Transcoder Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding [h264 @ 0x99de950]B picture before any references, skipping [h264 @ 0x99de950]decode_slice_header error [h264 @ 0x99de950]no frame! Error while decoding stream #0.0 [h264 @ 0x99de950]B picture before any references, skipping [h264 @ 0x99de950]decode_slice_header error [h264 @ 0x99de950]no frame! Error while decoding stream #0.0 frame= 20 fps= 0 q=13797729.0 size= 0kB time=0.66 bitrate= 0.6kbits/s frame= 39 fps= 37 q=13797729.0 size= 0kB time=1.30 bitrate= 0.3kbits/s frame= 48 fps= 30 q=33.0 size= 11kB time=0.10 bitrate= 903.0kbits/s frame= 58 fps= 27 q=31.0 size= 22kB time=0.43 bitrate= 421.0kbits/s frame= 67 fps= 25 q=29.0 size= 41kB time=0.73 bitrate= 462.6kbits/s frame= 75 fps= 23 q=29.0 size= 59kB time=1.00 bitrate= 486.7kbits/s frame= 83 fps= 22 q=29.0 size= 81kB time=1.27 bitrate= 521.9kbits/s frame= 90 fps= 21 q=29.0 size= 97kB time=1.50 bitrate= 530.1kbits/s frame= 98 fps= 20 q=29.0 size= 114kB time=1.77 bitrate= 526.9kbits/s frame= 106 fps= 20 q=29.0 size= 134kB time=2.04 bitrate= 537.7kbits/s frame= 114 fps= 19 q=29.0 size= 150kB time=2.30 bitrate= 533.7kbits/s frame= 122 fps= 19 q=29.0 size= 172kB time=2.57 bitrate= 547.8kbits/s frame= 130 fps= 19 q=29.0 size= 193kB time=2.84 bitrate= 557.5kbits/s frame= 136 fps= 18 q=29.0 size= 211kB time=3.04 bitrate= 570.0kbits/s frame= 144 fps= 18 q=29.0 size= 242kB time=3.30 bitrate= 599.5kbits/s frame= 152 fps= 17 q=30.0 size= 261kB time=3.57 bitrate= 598.6kbits/s frame= 157 fps= 15 q=-1.0 Lsize= 368kB time=5.21 bitrate= 579.3kbits/s video:302kB audio:61kB global headers:0kB muxing overhead 1.416371% [libx264 @ 0x99e1020]frame I:1 Avg QP:27.22 size: 8720 [libx264 @ 0x99e1020]frame P:48 Avg QP:25.15 size: 3759 [libx264 @ 0x99e1020]frame B:108 Avg QP:30.10 size: 1105 [libx264 @ 0x99e1020]consecutive B-frames: 0.6% 11.5% 28.8% 59.0% [libx264 @ 0x99e1020]mb I I16..4: 28.5% 47.6% 23.9% [libx264 @ 0x99e1020]mb P I16..4: 0.8% 1.3% 0.5% P16..4: 50.6% 17.7% 13.1% 0.0% 0.0% skip:15.9% [libx264 @ 0x99e1020]mb B I16..4: 0.2% 0.3% 0.1% B16..8: 44.0% 1.2% 2.6% direct: 5.1% skip:46.5% L0:45.5% L1:51.0% BI: 3.5% [libx264 @ 0x99e1020]final ratefactor: 23.51 [libx264 @ 0x99e1020]8x8 transform intra:49.9% inter:67.9% [libx264 @ 0x99e1020]direct mvs spatial:98.1% temporal:1.9% [libx264 @ 0x99e1020]coded y,uvDC,uvAC intra: 54.7% 76.1% 41.4% inter: 17.1% 24.4% 7.8% [libx264 @ 0x99e1020]i16 v,h,dc,p: 18% 52% 5% 25% [libx264 @ 0x99e1020]i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 22% 9% 7% 10% 10% 9% 8% 13% [libx264 @ 0x99e1020]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 18% 8% 8% 10% 13% 10% 9% 12% [libx264 @ 0x99e1020]Weighted P-Frames: Y:10.4% [libx264 @ 0x99e1020]ref P L0: 60.2% 15.3% 11.0% 7.6% 5.2% 0.7% [libx264 @ 0x99e1020]ref B L0: 72.6% 15.6% 11.8% [libx264 @ 0x99e1020]kb/s:471.17 Segmentation fault I'm wondering if anyone else has ran into similar issues. I wasn't able to find anything helpful via Google. Another question I have is if anyone knows of a company that offers paid support for FFMPEG. Thank you for your time.

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  • JCP Party at JavOne and other JCP events

    - by heathervc
    Don't miss all of these great opportunities to get involved with the JCP program at JavaOne next week. The details are listed below and listed on the JCP at JavaOne page  as well. Join us for the annual JCP community party on Tuesday evening, 2 October, to be held at the Infusion Lounge. Drop by starting at 6:30 pm to meet fellow Java Community members, JCP members and EC representatives, enjoy appetizers/beer, pick up a door prize, enter a raffle and congratulate the winners and nominees (newly updated nominee information available now) of the 10th annual awards in three categories: JCP Member of the Year, Outstanding Spec Lead, and Most Significant JSR. The day by day breakdown is as follows... Sunday 9/30/12JCP and OpenJDK: Using the JUGs' "Adopt" Programs in Your Group Session ID: UGF10434Location: Moscone West - 2002Date and Time: 9/30/12, 12:15 PM - 1:00 PMJCP Public Executive Committee Face-to-Face Meeting Open to Executive Committee Members and the Java Developer CommunityLocation: Clift Hotel, 495 Geary Street, San Francisco - Rita Room (downstairs from Lobby)Date and Time: 9/30/12, 2:00 PM - 3:30 PM; Agenda includes open Q&A, JCP.Next, EC Elections - no JavaOne pass required! Monday 10/1/12JCP in the OTN Java DEMOgrounds Location: Hilton Hotel Grand BallroomDate and Time: 10/1/12, 4:00 PM - 4:30 PMJCP.Next: Reinvigorating Java Standards Session ID: BOF6272Location: Hilton San Francisco - Plaza A/BDate and Time: 10/1/12, 4:30 PM - 5:15 PM101 Ways to Improve Java: Why Developer Participation Matters Session ID: BOF6283Location: Hilton San Francisco - Continental Ballroom 4Date and Time: 10/1/12, 5:30 PM - 6:15 PM Tuesday 10/2/12JCP in the OTN Java DEMOgrounds Location: Hilton Hotel Grand BallroomDate and Time: 10/2/12, 12:00 PM - 1:30 PMSpec Leads Meeting with the JCP PMO Location: Hilton San Francisco - Van Ness RoomDate and Time: 10/2/12, 3:00 PM - 4:00 PMCome learn how you benefit from the changesMeet the JCP Executive Committee Candidates Session ID: BOF6307Location: Hilton San Francisco - Golden Gate 3/4/5Date and Time: 10/2/12, 4:30 PM - 5:15 PMThe 10th Annual JCP Awards Presentation and Party Enjoy an evening with this year's JCP Award nominees and watch as we announce the winners -  no JavaOne pass required! Location: Infusion Lounge - 124 Ellis Street, San FranciscoDate and Time: 10/2/12, 6:30 PM - 9:00 PM Hope to see you there!

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  • Oracle SOA Suite for healthcare integration Dashboard By Nitesh Jain

    - by JuergenKress
    Oracle SOA Suite Healthcare came up with a new way of monitoring where user can configure a dashboard and follow the dynamic runtime changes. Oracle SOA Suite for healthcare integration dashboards display information about the current health of the endpoints in a healthcare integration application. You can create and configure multiple dashboards as needed to monitor the status and volume metrics for the endpoints you have defined. The Dashboards reflects changes that occur in the runtime repository, such as purging runtime instance data, new messages processed, and new error messages. You can display data for various time periods, and you can manually refresh the data in real time or set the dashboard to automatically refresh at set intervals. Dashboard shows the following information: Status: The current status of the endpoint, such as Running, Idle, Disabled, or Errors. Messages Sent: The number of messages sent by the endpoint in the specified time period. Messages Received: The number of messages received by the endpoint in the specified time period. Errors: The number of messages with errors for the endpoint in the given time period. Last Sent: The date and time the last message was sent from the endpoint. Last Received: The date and time the last message was received from the endpoint. Last Error: The date and time of the last error for the endpoint. It also shows the detailed view of a specific Endpoint. The document type. The number of messages received per second. The total number of message processed in the specified time period. The average size of each message. For more information please visit Nitesh Jain blog SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit  www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Technorati Tags: SOA Suite,SOA heathcare,soa health,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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  • Constant game speed independent of variable FPS in OpenGL with GLUT?

    - by Nazgulled
    I've been reading Koen Witters detailed article about different game loop solutions but I'm having some problems implementing the last one with GLUT, which is the recommended one. After reading a couple of articles, tutorials and code from other people on how to achieve a constant game speed, I think that what I currently have implemented (I'll post the code below) is what Koen Witters called Game Speed dependent on Variable FPS, the second on his article. First, through my searching experience, there's a couple of people that probably have the knowledge to help out on this but don't know what GLUT is and I'm going to try and explain (feel free to correct me) the relevant functions for my problem of this OpenGL toolkit. Skip this section if you know what GLUT is and how to play with it. GLUT Toolkit: GLUT is an OpenGL toolkit and helps with common tasks in OpenGL. The glutDisplayFunc(renderScene) takes a pointer to a renderScene() function callback, which will be responsible for rendering everything. The renderScene() function will only be called once after the callback registration. The glutTimerFunc(TIMER_MILLISECONDS, processAnimationTimer, 0) takes the number of milliseconds to pass before calling the callback processAnimationTimer(). The last argument is just a value to pass to the timer callback. The processAnimationTimer() will not be called each TIMER_MILLISECONDS but just once. The glutPostRedisplay() function requests GLUT to render a new frame so we need call this every time we change something in the scene. The glutIdleFunc(renderScene) could be used to register a callback to renderScene() (this does not make glutDisplayFunc() irrelevant) but this function should be avoided because the idle callback is continuously called when events are not being received, increasing the CPU load. The glutGet(GLUT_ELAPSED_TIME) function returns the number of milliseconds since glutInit was called (or first call to glutGet(GLUT_ELAPSED_TIME)). That's the timer we have with GLUT. I know there are better alternatives for high resolution timers, but let's keep with this one for now. I think this is enough information on how GLUT renders frames so people that didn't know about it could also pitch in this question to try and help if they fell like it. Current Implementation: Now, I'm not sure I have correctly implemented the second solution proposed by Koen, Game Speed dependent on Variable FPS. The relevant code for that goes like this: #define TICKS_PER_SECOND 30 #define MOVEMENT_SPEED 2.0f const int TIMER_MILLISECONDS = 1000 / TICKS_PER_SECOND; int previousTime; int currentTime; int elapsedTime; void renderScene(void) { (...) // Setup the camera position and looking point SceneCamera.LookAt(); // Do all drawing below... (...) } void processAnimationTimer(int value) { // setups the timer to be called again glutTimerFunc(TIMER_MILLISECONDS, processAnimationTimer, 0); // Get the time when the previous frame was rendered previousTime = currentTime; // Get the current time (in milliseconds) and calculate the elapsed time currentTime = glutGet(GLUT_ELAPSED_TIME); elapsedTime = currentTime - previousTime; /* Multiply the camera direction vector by constant speed then by the elapsed time (in seconds) and then move the camera */ SceneCamera.Move(cameraDirection * MOVEMENT_SPEED * (elapsedTime / 1000.0f)); // Requests to render a new frame (this will call my renderScene() once) glutPostRedisplay(); } void main(int argc, char **argv) { glutInit(&argc, argv); (...) glutDisplayFunc(renderScene); (...) // Setup the timer to be called one first time glutTimerFunc(TIMER_MILLISECONDS, processAnimationTimer, 0); // Read the current time since glutInit was called currentTime = glutGet(GLUT_ELAPSED_TIME); glutMainLoop(); } This implementation doesn't fell right. It works in the sense that helps the game speed to be constant dependent on the FPS. So that moving from point A to point B takes the same time no matter the high/low framerate. However, I believe I'm limiting the game framerate with this approach. Each frame will only be rendered when the time callback is called, that means the framerate will be roughly around TICKS_PER_SECOND frames per second. This doesn't feel right, you shouldn't limit your powerful hardware, it's wrong. It's my understanding though, that I still need to calculate the elapsedTime. Just because I'm telling GLUT to call the timer callback every TIMER_MILLISECONDS, it doesn't mean it will always do that on time. I'm not sure how can I fix this and to be completely honest, I have no idea what is the game loop in GLUT, you know, the while( game_is_running ) loop in Koen's article. But it's my understanding that GLUT is event-driven and that game loop starts when I call glutMainLoop() (which never returns), yes? I thought I could register an idle callback with glutIdleFunc() and use that as replacement of glutTimerFunc(), only rendering when necessary (instead of all the time as usual) but when I tested this with an empty callback (like void gameLoop() {}) and it was basically doing nothing, only a black screen, the CPU spiked to 25% and remained there until I killed the game and it went back to normal. So I don't think that's the path to follow. Using glutTimerFunc() is definitely not a good approach to perform all movements/animations based on that, as I'm limiting my game to a constant FPS, not cool. Or maybe I'm using it wrong and my implementation is not right? How exactly can I have a constant game speed with variable FPS? More exactly, how do I correctly implement Koen's Constant Game Speed with Maximum FPS solution (the fourth one on his article) with GLUT? Maybe this is not possible at all with GLUT? If not, what are my alternatives? What is the best approach to this problem (constant game speed) with GLUT? I originally posted this question on Stack Overflow before being pointed out about this site. The following is a different approach I tried after creating the question in SO, so I'm posting it here too. Another Approach: I've been experimenting and here's what I was able to achieve now. Instead of calculating the elapsed time on a timed function (which limits my game's framerate) I'm now doing it in renderScene(). Whenever changes to the scene happen I call glutPostRedisplay() (ie: camera moving, some object animation, etc...) which will make a call to renderScene(). I can use the elapsed time in this function to move my camera for instance. My code has now turned into this: int previousTime; int currentTime; int elapsedTime; void renderScene(void) { (...) // Setup the camera position and looking point SceneCamera.LookAt(); // Do all drawing below... (...) } void renderScene(void) { (...) // Get the time when the previous frame was rendered previousTime = currentTime; // Get the current time (in milliseconds) and calculate the elapsed time currentTime = glutGet(GLUT_ELAPSED_TIME); elapsedTime = currentTime - previousTime; /* Multiply the camera direction vector by constant speed then by the elapsed time (in seconds) and then move the camera */ SceneCamera.Move(cameraDirection * MOVEMENT_SPEED * (elapsedTime / 1000.0f)); // Setup the camera position and looking point SceneCamera.LookAt(); // All drawing code goes inside this function drawCompleteScene(); glutSwapBuffers(); /* Redraw the frame ONLY if the user is moving the camera (similar code will be needed to redraw the frame for other events) */ if(!IsTupleEmpty(cameraDirection)) { glutPostRedisplay(); } } void main(int argc, char **argv) { glutInit(&argc, argv); (...) glutDisplayFunc(renderScene); (...) currentTime = glutGet(GLUT_ELAPSED_TIME); glutMainLoop(); } Conclusion, it's working, or so it seems. If I don't move the camera, the CPU usage is low, nothing is being rendered (for testing purposes I only have a grid extending for 4000.0f, while zFar is set to 1000.0f). When I start moving the camera the scene starts redrawing itself. If I keep pressing the move keys, the CPU usage will increase; this is normal behavior. It drops back when I stop moving. Unless I'm missing something, it seems like a good approach for now. I did find this interesting article on iDevGames and this implementation is probably affected by the problem described on that article. What's your thoughts on that? Please note that I'm just doing this for fun, I have no intentions of creating some game to distribute or something like that, not in the near future at least. If I did, I would probably go with something else besides GLUT. But since I'm using GLUT, and other than the problem described on iDevGames, do you think this latest implementation is sufficient for GLUT? The only real issue I can think of right now is that I'll need to keep calling glutPostRedisplay() every time the scene changes something and keep calling it until there's nothing new to redraw. A little complexity added to the code for a better cause, I think. What do you think?

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