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• Oracle????????(2012?11?)

  - by Steve He(???)

    Oracle Support Training Oracle ???????????,????????????,??????,?????Oracle??????????,????????????????????????????????Oracle???????????? ???? ?? ?? ?? ?? ???? ?? Support Best Practices (formerly WEWS) ???? ?? 11?13? 15:00 ?? EBS - Support Diagnostics Tools ???? ?? 11?15? 15:00 ?? OSWatcher Black Box: How to improve performance and monitor your system automatically ???? ?? 11?15? 15:00 ?? MOS - Configuration Manager ???? ?? 11?20? 15:00 ?? Get Proactive Resolve - Answers Generic ???? ?? 11?22? 15:00 ?? MOS - Communities ???? ?? 11?27? 15:00 ?? ?????? My Oracle Support ??????????????????????,??? world clock.??????? Oracle ?????????????,??? note 603505.1 ????????????,??????????????(Mandarin)?????? Internet Explorer ??? My Oracle Support ????????????????? ?? ?? ?? ?? Creating Customer Value ???? ?? ?? Oracle Support Basics ???? ?? ?? An Introduction to My Oracle Support ???? ?? ?? Service Request Management ???? ?? ?? Customer User Administration ???? ?? ?? Managing Favorite ???? ?? ?? Quick Search ???? ?? ?? Hot Topic Email ???? ?? ?? Patch and Update ???? ?? ?? Site Alert ???? ?? ?? Search and Browse Features in My Oracle Support ???? ?? ?? Why Use Configuration Manager In The My Oracle Support ???? ?? ?? Enterprise Manager 11g and My Oracle Support ???? ?? ?? Oracle Collaborative Support ???? ?? ?? How to Escalate a Service Request within Oracle Support ???? ?? ?? ????????,?? Support Training Community ?????????? Copyright © 2012, Oracle and/or its affiliates. All rights reserved. Contact Us | Legal Notices and Terms of Use | Privacy Statement

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• Oracle????????(2012?7?)

  - by user763198

    Oracle Support Training Oracle ???????????,????????????,??????,?????Oracle??????????,????????????????????????????????Oracle???????????? ???? ?? ?? ?? ?? ???? ?? My Oracle Support Basics ???? ?? 7?12? 15:00 ?? Working Effectively with Support ???? ?? 7?19? 15:00 ?? EBS - R12 Support Diagnostics Tools EBS?? ?? 7?26? 15:00 ?? ?????? My Oracle Support ??????????????????????,??? world clock.??????? Oracle ?????????????,??? note 603505.1 ????????????,??????????????(Mandarin)?????? Internet Explorer ??? My Oracle Support ????????????????? ?? ?? ?? ?? Creating Customer Value ???? ?? ?? Oracle Support Basics ???? ?? ?? An Introduction to My Oracle Support ???? ?? ?? Service Request Management ???? ?? ?? Customer User Administration ???? ?? ?? Managing Favorite ???? ?? ?? Hot Topic Email ???? ?? ?? Quick Search ???? ?? ?? Patch and Update ???? ?? ?? Site Alert ???? ?? ?? Search and Browse Features in My Oracle Support ???? ?? ?? Why Use Configuration Manager In The My Oracle Support ???? ?? ?? Enterprise Manager 11g and My Oracle Support ???? ?? ?? Oracle Collaborative Support ???? ?? ?? How to Escalate a Service Request within Oracle Support ???? ?? ?? ????????,?? Support Training Community ?????????? Copyright © 2012, Oracle and/or its affiliates. All rights reserved. Contact Us | Legal Notices and Terms of Use | Privacy Statement

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• Oracle????????(2013?7?)

  - by Steve He(???)

  ???? ?? ?? ???? ?? ????? ???????,??25??????5???Q&A??,????????????,???????,???????????,????????????????????? 7?11?14:00 ?? ?My Oracle Support????????? "?My Oracle Support??????"??????????????????Oracle??????????????????My Oracle Support??????????????????????????? ??????????My Oracle Support?????????,?????????????????????,????My Oracle Support???????,???????????????????:30??? 7?25?14:00 ?? WebLogic Server ????????????? ????WebLogic Server??????????,?????????1???????????????????WebLogic Server ????????????????????????????????? 7?17?14:00 ?? Exadata????: Diagnostic Assistant   ??Exadata???????Diagnostic Assistent (DA). ??????????????,????????????????,??ADR,RDA,OCM,Explorer? ?????????????: ????????,??Diagnostic Assistant?Exadata??????? ?????????????,????????????,????????????? 7?18?14:00 ?? E-Business Suite ?????? ????????????E-Business ???????????,??????????????? ?60???????????E-Business Suite???????????,????????????????DBA? 7?16?14:00 ?? ?????? My Oracle Support ??????????????????????,??? world clock.??????? Oracle ?????????????,??? note 603505.1 ????????????,??????????????(Mandarin)?????? Internet Explorer ??? My Oracle Support ????????????????? ?? ?? ?? ?? Oracle Support Best Practices(Oracle??????)(?) ???? ?? ?? GetProactive: Resolve Fast(??????)(?) ???? ?? ?? WebLogic GC & OutOfMemory Diagnostic(?) ????? ?? ?? Creating Customer Value ???? ?? ?? Oracle Support Basics ???? ?? ?? An Introduction to My Oracle Support ???? ?? ?? Service Request Management ???? ?? ?? Customer User Administration ???? ?? ?? Managing Favorite ???? ?? ?? Quick Search ???? ?? ?? Hot Topic Email ???? ?? ?? Patch and Update ???? ?? ?? Site Alert ???? ?? ?? Search and Browse Features in My Oracle Support ???? ?? ?? Why Use Configuration Manager In The My Oracle Support ???? ?? ?? Enterprise Manager 11g and My Oracle Support ???? ?? ?? Oracle Collaborative Support ???? ?? ?? How to Escalate a Service Request within Oracle Support ???? ?? ?? ????????,?? Support Training Community ??????????

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• How to play ringtone/alarm sound in Android

  - by Federico

  I have been looking everywhere how to play a ringtone/alarm sound in android. I press a button and I want to play a ringtone/alarm sound. I could not find a easy, straightforward sample. Yes, I already looked at Alarm clock source code... but it is not straightforward and I cannot compile it. I cannot make this work: Uri alert = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM); mMediaPlayer = new MediaPlayer(); mMediaPlayer.setDataSource(this, alert); final AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE); if (audioManager.getStreamVolume(AudioManager.STREAM_ALARM) != 0) { player.setAudioStreamType(AudioManager.STREAM_ALARM); player.setLooping(true); player.prepare(); player.start(); } I get this error: 04-11 17:15:27.638: ERROR/MediaPlayerService(30): Couldn't open fd for content://settings/system/ringtone So.. please if somebody knows how to play a default ringtone/alarm let me know. I prefer not to upload any file. Just play a default ringtone.

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• Blackberry stopwatch implementation

  - by Michaela

  I'm trying to write a blackberry app that is basically a stopwatch, and displays lap times. First, I'm not sure I'm implementing the stopwatch functionality in the most optimal way. I have a LabelField (_myLabel) that displays the 'clock' - starting at 00:00. Then you hit the start button and every second the _myLabel field gets updated with how many seconds have past since the last update (should only ever increment by 1, but sometimes there is a delay and it will skip a number). I just can't think of a different way to do it - and I am new to GUI development and threads so I guess that's why. EDIT: Here is what calls the stopwatch: _timer = new Timer(); _timer.schedule(new MyTimerTask(), 250, 250); And here is the TimerTask: class MyTimerTask extends TimerTask { long currentTime; long startTime = System.currentTimeMillis(); public void run() { synchronized (Application.getEventLock()) { currentTime = System.currentTimeMillis(); long diff = currentTime - startTime; long min = diff / 60000; long sec = (diff % 60000) / 1000; String minStr = new Long(min).toString(); String secStr = new Long(sec).toString(); if (min < 10) minStr = "0" + minStr; if (sec < 10) secStr = "0" + secStr; _myLabel.setText(minStr + ":" + secStr); timerDisplay.deleteAll(); timerDisplay.add(_timerLabel); } } } Anyway when you stop the stopwatch it updates a historical table of lap time data. When this list gets long, the timer starts to degrade. If you try to scroll, then it gets really bad. Is there a better way to implement my stopwatch?

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• Android Launcher Shortcuts

  - by Tim

  I have made a simple punch in / punch out time clock application. I want to add the user the option of making a shortcut on the homescreen that will toggle the state of the app(time out / time in) but I don't want this shortcut to open up the app on the screen at all. here is my setupShortcut() private void setupShortcut() { Intent shortcutIntent = new Intent(this, Toggle.class); // shortcutIntent.setClassName(this, Toggle.class.getName()); shortcutIntent.putExtra(EXTRA_KEY, "ToggleShortcut"); shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); Intent intent = new Intent(); intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, "ToggleShortcut"); Parcelable iconResource = Intent.ShortcutIconResource.fromContext(this, R.drawable.app_sample_code); intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconResource); setResult(RESULT_OK, intent); } Toggle.class is an activity that toggles the state for me. In the manifest I have these settings on it <activity android:name=".Toggle" android:exported="true" android:theme="@android:style/Theme.Translucent.NoTitleBar"> As it is now I can create a shortcut on the home screen then press it. The first time I press it it starts the Toggle activity and completes it fine, but it also opens up the TimeClock activity on the screen. If I then hit the back button I go back to the home. I can now press this shortcut and it will start the Toggle activity and not change the screen. Before I added: shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); It would open up the TimeClock activity every time. Now it is just the first time. But I want it to never show anything on the screen when the Toggle shortcut is pressed. Does anyone have any idea of how to get rid of that?

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• Canvas rotate from bottom center image angle?

  - by Tom

  How do you rotate an image with the canvas html5 element from the bottom center angle? See http://uptowar.com/test.php for my current code and image: <html> <head> <title>test</title> <script type="text/javascript"> function startup() { var canvas = document.getElementById('canvas'); var ctx = canvas.getContext('2d'); var img = new Image(); img.src = 'player.gif'; img.onload = function() { ctx.translate(185, 185); ctx.rotate(90 * Math.PI / 180); ctx.drawImage(img, 0, 0, 64, 120); } } </script> </head> <body onload='startup();'> <canvas id="canvas" style="position: absolute; left: 300px; top: 300px;" width="800" height="800"></canvas> </body> </html> Unfortunately this seems to rotate it from the top left angle of the image. Any idea? Edit: in the end the object (space ship) has to rotate like a clock pointer, as if it is turning right/left.

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• Date since 1600 to NSDate?

  - by Steven Fisher

  I have a date that's stored as a number of days since January 1, 1600 that I need to deal with. This is a legacy date format that I need to read many, many times in my application. Previously, I'd been creating a calendar, empty date components and root date like this: self.gregorian = [[[NSCalendar alloc] initWithCalendarIdentifier: NSGregorianCalendar ] autorelease]; id rootComponents = [[[NSDateComponents alloc] init] autorelease]; [rootComponents setYear: 1600]; [rootComponents setMonth: 1]; [rootComponents setDay: 1]; self.rootDate = [gregorian dateFromComponents: rootComponents]; self.offset = [[[NSDateComponents alloc] init] autorelease]; Then, to convert the integer later to a date, I use this: [offset setDay: theLegacyDate]; id eventDate = [gregorian dateByAddingComponents: offset toDate: rootDate options: 0]; (I never change any values in offset anywhere else.) The problem is I'm getting a different time for rootDate on iOS vs. Mac OS X. On Mac OS X, I'm getting midnight. On iOS, I'm getting 8:12:28. (So far, it seems to be consistent about this.) When I add my number of days later, the weird time stays. OS | legacyDate | rootDate | eventDate ======== | ========== | ==========================|========================== Mac OS X | 143671 | 1600-01-01 00:00:00 -0800 | 1993-05-11 00:00:00 -0700 iOS | 143671 | 1600-01-01 08:12:28 +0000 | 1993-05-11 07:12:28 +0000 In the previous release of my product, I didn't care about the time; now I do. Why the weird time on iOS, and what should I do about it? (I'm assuming the hour difference is DST.) I've tried setting the hour, minute and second of rootComponents to 0. This has no impact. If I set them to something other than 0, it adds them to 8:12:28. I've been wondering if this has something to do with leap seconds or other cumulative clock changes. Or is this entirely the wrong approach to use on iOS?

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• Does anyone else get worn out using Scrum, finishing sprint after sprint?

  - by Simucal

  I'm with a pretty small startup and we started using a form of a Scrum/Agile development cycle. In many ways I enjoy Scrum. We have relatively short sprints (2 weeks) and I like the Burndown Chart to track the teams progress. I also like the Feature Board so I always know what I should be doing next. It feels good taking down a feature's card from the board, completing it and then putting it in the burn down pile. However, we are now entering in our 18th Sprint release cycle and I'm starting to feel a little burnt out. It isn't that I don't like job or my co-workers, it is just that these sprints are... well, sprints. From start to finish I literally feel like I'm racing against the clock to maintain our development velocity. When we are done with the sprint we spend one day planning the next sprints feature set and estimates and then off we go again. For people who work in a mature Agile/Scrum development process, is this normal? Or are we missing something? Is there normally time in a Scrum enviornment that is unassigned/untracked to get done some minor things and to clear your head?

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• Need help with animation on iPhone

  - by Arun Ravindran

  I'm working on an animated clock application for the iPhone, and I have to pivot all the 3 nodes in the view, which I have obtained in the following code: [CATransaction begin]; [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions]; clockarm.layer.anchorPoint = CGPointMake(0.0, 0.0); [CATransaction commit]; [CATransaction begin]; [CATransaction setValue:(id)kCFBooleanFalse forKey:kCATransactionDisableActions]; [CATransaction setValue:[NSNumber numberWithFloat:50.0] forKey:kCATransactionAnimationDuration]; CABasicAnimation *animation; animation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"]; animation.fromValue = [NSNumber numberWithFloat:-60.0]; animation.toValue = [NSNumber numberWithFloat:2 * M_PI]; animation.timingFunction = [CAMediaTimingFunction functionWithName: kCAMediaTimingFunctionLinear]; animation.delegate = self; [clockarm.layer addAnimation:animation forKey:@"rotationAnimation"]; animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]; [CATransaction commit]; The problem it's just rotating once, ie. only 360 degree and then stopping. I want to raotate the needles indefinitely. How would I do that?

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• How yo play rington/alarm sound in Android

  - by Federico

  I have been looking everywhere how to play a $#@&! rington/alarm sound in android. I press a button and I want to play a rington/alarm sound. I could not find a easy, strsight forward sample... YES! I already looked at Alarm clock source code... but it is not straight forward and I cannot compile it neither. I cannot make this work: Uri alert = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM); mMediaPlayer = new MediaPlayer(); mMediaPlayer.setDataSource(this, alert); final AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE); if (audioManager.getStreamVolume(AudioManager.STREAM_ALARM) != 0) { player.setAudioStreamType(AudioManager.STREAM_ALARM); player.setLooping(true); player.prepare(); player.start(); } I get this error 04-11 17:15:27.638: ERROR/MediaPlayerService(30): Couldn't open fd for content://settings/system/ringtone So.. please if somebody knows how to play a default rington/alarm let me know. I prefer not to upload any file. Just play a default rington. Thanks, Federico

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• Daylight Savings Handling in DateDiff() in MS Access?

  - by PowerUser

  I am fully aware of DateDiff()'s inability to handle daylight savings issues. Since I often use it to compare the number of hours or days between 2 datetimes several months apart, I need to write up a solution to handle DST. This is what I came up with, a function that first subtracts 60 minutes from a datetime value if it falls within the date ranges specified in a local table (LU_DST). Thus, the usage would be: datediff("n",Conv_DST_to_Local([date1]),Conv_DST_to_Local([date2])) My question is: Is there a better way to handle this? I'm going to make a wild guess that I'm not the first person with this question. This seems like the kind of thing that should have been added to one of the core reference libraries. Is there a way for me to access my system clock to ask it if DST was in effect at a certain date & time? Function Conv_DST_to_Local(X As Date) As Date Dim rst As DAO.Recordset Set rst = CurrentDb.OpenRecordset("LU_DST") Conv_DST_to_Local = X While rst.EOF = False If X > rst.Fields(0) And X < rst.Fields(1) Then Conv_DST_to_Local = DateAdd("n", -60, X) rst.MoveNext Wend End Function Notes I have visited and imported the BAS file of http://www.cpearson.com/excel/TimeZoneAndDaylightTime.aspx. I spent at least an hour by now reading through it and, while it may do its job well, I can't figure out how to modify it to my needs. But if you have an answer using his data structures, I'll take a look. Timezones are not an issue since this is all local time.

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• Linq to SQL with INSTEAD OF Trigger and an Identity Column

  - by Bob Horn

  I need to use the clock on my SQL Server to write a time to one of my tables, so I thought I'd just use GETDATE(). The problem is that I'm getting an error because of my INSTEAD OF trigger. Is there a way to set one column to GETDATE() when another column is an identity column? This is the Linq-to-SQL: internal void LogProcessPoint(WorkflowCreated workflowCreated, int processCode) { ProcessLoggingRecord processLoggingRecord = new ProcessLoggingRecord() { ProcessCode = processCode, SubId = workflowCreated.SubId, EventTime = DateTime.Now // I don't care what this is. SQL Server will use GETDATE() instead. }; this.Database.Add<ProcessLoggingRecord>(processLoggingRecord); } This is the table. EventTime is what I want to have as GETDATE(). I don't want the column to be null. And here is the trigger: ALTER TRIGGER [Master].[ProcessLoggingEventTimeTrigger] ON [Master].[ProcessLogging] INSTEAD OF INSERT AS BEGIN SET NOCOUNT ON; SET IDENTITY_INSERT [Master].[ProcessLogging] ON; INSERT INTO ProcessLogging (ProcessLoggingId, ProcessCode, SubId, EventTime, LastModifiedUser) SELECT ProcessLoggingId, ProcessCode, SubId, GETDATE(), LastModifiedUser FROM inserted SET IDENTITY_INSERT [Master].[ProcessLogging] OFF; END Without getting into all of the variations I've tried, this last attempt produces this error: InvalidOperationException Member AutoSync failure. For members to be AutoSynced after insert, the type must either have an auto-generated identity, or a key that is not modified by the database after insert. I could remove EventTime from my entity, but I don't want to do that. If it was gone though, then it would be NULL during the INSERT and GETDATE() would be used. Is there a way that I can simply use GETDATE() on the EventTime column for INSERTs? Note: I do not want to use C#'s DateTime.Now for two reasons: 1. One of these inserts is generated by SQL Server itself (from another stored procedure) 2. Times can be different on different machines, and I'd like to know exactly how fast my processes are happening.

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• What's it like being a financial programmer?

  - by Mike

  As a student who's done an internship at a Silicon Valley company(non-financial), I'm curious to know what it's like working for a financial company doing software development. I'd expect the hours to be longer, and the pay to be higher. Specifically, I have the following questions: What's the work/life balance really like? Are you expected to work 80 hours a week most weeks? For those who have worked in non-financial software engineering jobs, how does being a financial software engineer compare in terms of work/life balance? How much does it pay? I'm curious as to starting(i.e. just got a BS) pay, as well as "top out" pay. (I'd prefer concrete numbers - ballpark is fine). Also, bonuses would be useful information. What jobs do financial programmers typically have? Are most just general software engineers, or do people typically have very specialized(i.e. AI or systems) backgrounds? Also, do most programmers have PhDs? Are programmers typically required to be at work, or are financial companies generally flexible about letting programmers work from home? When at work, do programmers have to dress formally? What are the technology environments like? Are finance companies using state-of-the-art hardware and software, or are they generally more conservative in upgrading their equipment? What programming languages are typically used? If VBA(shudder) is used, is it a large part of a finance company's workflow? If you could turn back the clock, would you still be a financial programmer? I'm going to keep this post open a little bit longer to get some more responses.

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• How I can fix this code to allow my AVR to talk over serial port?

  - by samoz

  Hi guys, I've been pulling my hair out lately trying to get an ATmega162 on my STK200 to talk to my computer over RS232. I checked and made sure that the STK200 contains a MAX202CPE chip. I've configured the chip to use its internal 8MHz clock and divided it by 8. I've tried to copy the code out of the data sheet (and made changes where the compiler complained), but to no avail. My code is below, could someone please help me fix the problems that I'm having? I've confirmed that my serial port works on other devices and is not faulty. Thanks! #include <avr/io.h> #include <avr/iom162.h> #define BAUDRATE 4800 void USART_Init(unsigned int baud) { UBRR0H = (unsigned char)(baud >> 8); UBRR0L = (unsigned char)baud; UCSR0B = (1 << RXEN0) | (1 << TXEN0); UCSR0C = (1 << URSEL0) | (1 << USBS0) | (3 << UCSZ00); } void USART_Transmit(unsigned char data) { while(!(UCSR0A & (1 << UDRE0))); UDR0 = data; } unsigned char USART_Receive() { while(!(UCSR0A & (1 << RXC0))); return UDR0; } int main() { USART_Init(BAUDRATE); unsigned char data; // all are 1, all as output DDRB = 0xFF; while(1) { data = USART_Receive(); PORTB = data; USART_Transmit(data); } }

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• Code Explanation (MPICH)

  - by user243680

  #include "mpi.h" #include <stdio.h> #include <math.h> double f(double a) { return (4.0 / (1.0 + a*a)); } void main(int argc, char *argv[]) { int done = 0, n, myid, numprocs,i; double PI25DT = 3.141592653589793238462643; double mypi, pi, h, sum, x; double startwtime, endwtime; int namelen; char processor_name[MPI_MAX_PROCESSOR_NAME]; MPI_Init(&argc,&argv); MPI_Comm_size(MPI_COMM_WORLD,&numprocs); MPI_Comm_rank(MPI_COMM_WORLD,&myid); MPI_Get_processor_name(processor_name,&namelen); fprintf(stderr,"Process %d on %s\n", myid, processor_name); fflush(stderr); n = 0; while (!done) { if (myid == 0) { printf("Enter the number of intervals: (0 quits) ");fflush(stdout); scanf("%d",&n); startwtime = MPI_Wtime(); } MPI_Bcast(&n, 1, MPI_INT, 0, MPI_COMM_WORLD); if (n == 0) done = 1; else { h = 1.0 / (double) n; sum = 0.0; for (i = myid + 1; i <= n; i += numprocs) { x = h * ((double)i - 0.5); sum += f(x); } mypi = h * sum; MPI_Reduce(&mypi, &pi, 1, MPI_DOUBLE, MPI_SUM, 0, MPI_COMM_WORLD); if (myid == 0) { printf("pi is approximately %.16f, Error is %.16f\n", pi, fabs(pi - PI25DT)); endwtime = MPI_Wtime(); printf("wall clock time = %f\n", endwtime-startwtime); } } } MPI_Finalize(); } Can anyone explain me the above code what it does??I am in lab and my miss has asked me to explain and i dont know what it is.please help

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• Creating Lotus Notes documents with specific created/modified/last accessed dates for testing

  - by Xolstice

  I'm currently writing an application that moves Notes documents between databases based on the amount of days that have elapsed from the creation/modified/last accessed dates. I would just like to get ideas on a simple and convenient way to create documents with specific dates, without having to change the time on the Domino server, so that I could test out my application. The best way I found so far was to create a local replica and change the system clock to the date I want. Unfortunately there are problems associated with this method. It does not work on the modified date - I'm not sure how it is getting the modified date information when the location is set to Island (Disconnected) - and it also changes the modified and last accessed dates when the documents are replicated to the server replica. Someone suggested trying to create a DXL of the document, modify the date time in the DXL file, then import it back into the database as a Notes document; but that does not work. It just takes on the date-time that it was created. Can anyone offer any other suggestions?

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• C#: Why am I still getting an RCW error when exiting my application?

  - by shifuimam

  To be specific, the error is: An attempt has been made to free an RCW that is in use. The RCW is in use on the active thread or another thread. Attempting to free an in-use RCW can cause corruption or data loss. The application in question is a small applet that displays the current clock speed of the CPU as a system tray icon. I'm using a System.Timers.Timer object to refresh the systray icon at an interval of 2.5 seconds. There's a single context menu item to exit the application, which uses the following function to unload everything: public void ExitApp(object sender, EventArgs e) { //stop and disable the timer theInterval.Stop(); theInterval.Enabled = false; //unload the system tray icon TheIcon.Visible = false; //exit the application Application.Exit(); } If I take out everything but Application.Exit(); I get an RCW error and the systray icon doesn't go away until I mouse over it. Everything was working perfectly until I changed the window style of the hidden form used to initialize the systray icon and the timer. If it helps any, I'm using C# 2010 Express.

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• Changing the system time zone succeeds once and then no longer changes

  - by Adam Driscoll

  I'm using the WinAPI to set the time zone on a Windows XP SP3 box. I'm reading the time zone information from the HKLM\Software\Microsoft\WindowsNT\Time Zones\<time zone name> key and then setting the time zone to the specified time zone. I enumerate the keys under the Time Zones key, grab the TZI value and stuff it into a TIME_ZONE_INFORMATION struct to be passed to SetTimeZoneInformation. All seems to work on the first pass. The time zone changes, no error is returned. The second time I perform this operation (same user, new session, on login before userinit) the call succeeds but the system does not reflect the time zone change. Neither the clock nor time stamps on files are updated to the new time zone. When I navigate to: HKLM\System\CurrentControlSet\Control\TimeZoneInformation my new time zone information is present. A couple strange things are happening when I'm setting my time zone: Also when I parse the TZI binary value from the registry to store in my TIME_ZONE_INFORMATION struct I'm noticing the struct has the DaylightDate.wDay and StandardDate.wDay field always set to 0 I tried to call GetTimeZoneInformation right after I call SetTimeZoneInformation but the call fails with a 1300 error (Not all privileges or groups referenced are assigned to the caller. ) I'm also making sure to send a WM_BROADCAST message so Explorer knows whats going on. Think it's the parsing of the byte array to the TIME_ZONE_INFORMATION struct? Or am I missing some thing else important? EDIT: Found a document stating why this is happening: here. Privilege was introduced in Vista...thanks MSDN docs... Per the Microsoft documentation I'm enabling the SE_TIME_ZONE_NAME privilege for the current processes token. But when I attempt to call LookupPriviledgeValue for SE_TIME_ZONE_NAME I get a 1313 error (A specified privilege does not exist. ).

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• What is the rationale to non allow overloading of C++ conversions operator with non-member functio

  - by Vicente Botet Escriba

  C++0x has added explicit conversion operators, but they must always be defined as members of the Source class. The same applies to the assignment operator, it must be defined on the Target class. When the Source and Target classes of the needed conversion are independent of each other, neither the Source can define a conversion operator, neither the Target can define a constructor from a Source. Usually we get it by defining a specific function such as Target ConvertToTarget(Source& v); If C++0x allowed to overload conversion operator by non member functions we could for example define the conversion implicitly or explicitly between unrelated types. template < typename To, typename From operator To(const From& val); For example we could specialize the conversion from chrono::time_point to posix_time::ptime as follows template < class Clock, class Duration operator boost::posix_time::ptime( const boost::chrono::time_point& from) { using namespace boost; typedef chrono::time_point time_point_t; typedef chrono::nanoseconds duration_t; typedef duration_t::rep rep_t; rep_t d = chrono::duration_cast( from.time_since_epoch()).count(); rep_t sec = d/1000000000; rep_t nsec = d%1000000000; return posix_time::from_time_t(0)+ posix_time::seconds(static_cast(sec))+ posix_time::nanoseconds(nsec); } And use the conversion as any other conversion. So the question is: What is the rationale to non allow overloading of C++ conversions operator with non-member functions?

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• Cleaning a string consisting of html/server-side tags in Java

  - by Denzil

  I have a text like: I've got a date with this fellow tomorrow. Well me and thousands of others. <br /><br /><img src="http://www.newwest.net/images/thumbnails_feature/barack_obama_westerners.jpg"><br /><br />Tomorrow morning I will be getting up at stupid o'clock and driving up to Manchester, NH to see Barak Obama speak. <br /><br />You all should come too!<br /><br /><a href="http://nh.barackobama.com/manchesterchange">RSVP for the event</a> I would want to like to clean it too : I've got a date with this fellow tomorrow. Well me and thousands of others http://www.newwest.net/images/thumbnails_feature/barack_obama_westerners.jpg Tomorrow morning I will be getting up at stupid o'clock and driving up to Manchester, NH to see Barak Obama speak.You all should come too! h**p://nh.barackobama.com/manchesterchange RSVP for the event I would like to write a JAVA program for the same. Any pointers/suggestions would be appreciated.The tags aren't limited to the above post. This was just an example. Thanks! PS: Replace *'s by t's in the second hyperlink as Stack Overflow doesn't allow me to post more than one link.

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• How to use javascript class from within document ready

  - by Richard

  Hi, I have this countdown script wrapped as an object located in a separate file Then when I want to setup a counter, the timeout function in the countdown class can not find the object again that I have setup within the document ready. I sort of get that everything that is setup in the document ready is convined to that scope, however it is possible to call functions within other document ready´s. Does anyone has a solution on how I could setup multiple counters slash objects. Or do those basic javascript classes have to become plugins This is some sample code on how the class begins function countdown(obj) { this.obj = obj; this.Div = "clock"; this.BackColor = "white"; this.ForeColor = "black"; this.TargetDate = "12/31/2020 5:00 AM"; this.DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds."; this.CountActive = true; this.DisplayStr; this.Calcage = cd_Calcage; this.CountBack = cd_CountBack; this.Setup = cd_Setup; } thanks, Richard

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• Performance degrades for more than 2 threads on Xeon X5355

  - by zoolii

  Hi All, I am writing an application using boost threads and using boost barriers to synchronize the threads. I have two machines to test the application. Machine 1 is a core2 duo (T8300) cpu machine (windows XP professional - 4GB RAM) where I am getting following performance figures : Number of threads :1 , TPS :21 Number of threads :2 , TPS :35 (66 % improvement) further increase in number of threads decreases the TPS but that is understandable as the machine has only two cores. Machine 2 is a 2 quad core ( Xeon X5355) cpu machine (windows 2003 server with 4GB RAM) and has 8 effective cores. Number of threads :1 , TPS :21 Number of threads :2 , TPS :27 (28 % improvement) Number of threads :4 , TPS :25 Number of threads :8 , TPS :24 As you can see, performance is degrading after 2 threads (though it has 8 cores). If the program has some bottle neck , then for 2 thread also it should have degraded. Any idea? , Explanations ? , Does the OS has some role in performance ? - It seems like the Core2duo (2.4GHz) scales better than Xeon X5355 (2.66GHz) though it has better clock speed. Thank you -Zoolii

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• "hour" int taken from NSDate not behaving as expected at midnight??

  - by Eric

  I feel like I've lost my mind. Can someone tell me what's going on here? Also, I'm sure there is a better way to do what I'm trying to do, but I'm not interested in that now. I'd just like to solve the mystery of why my ints are not responding to logic as expected. // Set "At: " field close to current time NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"HH"]; int hour = [[dateFormatter stringFromDate:[NSDate date]] intValue]; [dateFormatter setDateFormat:@"mm"]; int minute = [[dateFormatter stringFromDate:[NSDate date]] intValue]; NSLog(@"currently %i:%i",hour, minute); if(hour >= 12){ // convert to AM/PM selectedMeridiem = 1; if(hour != 12){ hour = hour - 12; } } else{ selectedMeridiem = 0; } selectedHour = hour - 1; if(selectedHour <= 0){ selectedHour = 11; } When I debug the above code with my clock set to 12:XX AM, the integer "hour" returned is 0. But then any if statements with the condition if(hour == 0) are not evaluated. Likewise, this would not be evaluated either: if(hour < 1). The code above puts the hour int into another int, selectedHour (don't worry about why I'm doing this for now), but selectedHour suffers from the same weird behavior; the if(selectedHour <= 0) line is never evaluated. Am I going crazy, or am I just an idiot? Maybe there's some behavior of 0 integers that I'm not aware of. All of my code runs fine as long as it's not 12:XX AM.

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• Custom webserver caching

  - by Mark Kinsella

  I'm working with a custom webserver on an embedded system and having some problems correctly setting my HTTP Headers for caching. Our webserver is generating all dynamic content as XML and we're using semi-static XSL files to display it with some dynamic JSON requests thrown in for good measure along with semi-static images. I say "semi-static" because the problems occur when we need to do a firmware update which might change the XSL and image files. Here's what needs to be done: cache the XSL and image files and do not cache the XML and JSON responses. I have full control over the HTTP response and am currently: Using ETags with the XSL and image files, using the modified time and size to generate the ETag Setting Cache-Control: no-cache on the XML and JSON responses As I said, everything works dandy until a firmware update when the XSL and image files are sometimes cached. I've seen it work fine with the latest versions of Firefox and Safari but have had some problems with IE. I know one solution to this problem would be simply rename the XSL and image files after each version (eg. logo-v1.1.png, logo-v1.2.png) and set the Expires header to a date in the future but this would be difficult with the XSL files and I'd like to avoid this. Note: There is a clock on the unit but requires the user to set it and might not be 100% reliable which is what might be causing my caching issues when using ETags. What's the best practice that I should employ? I'd like to avoid as many webserver requests as possible but invalidating old XSL and image files after a software update is the #1 priority.

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