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• Using IIRF to redirect to a PDF

  - by Michael Itzoe

  I'm using IIRF to redirect certain URLs to specific PDF files. For instance, for the URL /newsletter/2010/02 I'd like it to redirect to /pdf/newsletters/Feb2010.pdf. I'm not too hot at regular expressions, but I created the following rule: RedirectRule ^/newsletter/2010/01 /pdf/newsletters/Newsletter012010.pdf [I,R=301] and it does redirect, but the address bar doesn't change, and when trying to save the file it wants to save as 01 instead of Feb2010.pdf. I don't presume my users will be savvy enough to enter a PDF extension before saving, and they shouldn't have to. Is there anything I can do about this?

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• Why are my "tel:" links not working

  - by Griffo

  I have a tableView which has cells with phone numbers. The app is not dialing the numbers though. See the code below - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.section == 2) { UITableViewCell *selectedCell = [tableView cellForRowAtIndexPath:indexPath]; NSString *numberToDial = [NSString stringWithFormat:@"tel:%@", selectedCell.detailTextLabel.text]; NSLog(@"%@",numberToDial); [[UIApplication sharedApplication] openURL:[NSURL URLWithString:numberToDial]]; } } Console ouput: 2010-03-08 01:32:30.830 AIB[1217:207] tel:01 8350098 As you can see, the number goes to the console, but doesn't get dialled. The weird thing is, if I change the last statement to this: [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel:171"]]; the phone dials the number 171 without any issue

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• collect2: ld returned 1 exit status error in Xcode

  - by user573949

  Hello, Im getting the error Command /Developer/usr/bin/gcc-4.2 failed with exit code 1 and when the full log is opened, the error is more accurately listed as: collect2: ld returned 1 exit status from this simple Cocoa script: #import "Controller.h" @implementation Controller int skillcheck (int level, int modifer, int difficulty) { if (level + modifer >= difficulty) { return 1; } if (level + modifer <= difficulty) { return 0; } } int main () { skillcheck(10, 2, 10); } @end the .h file is this: // // Controller.h // // Created by Duo Oratar on 15/01/2011. // Copyright 2011 __MyCompanyName__. All rights reserved. // #import <Cocoa/Cocoa.h> @interface Controller : NSObject { int skillcheck; int contestcheck; } @end and no line was specified that the error came from, does anyone know what the source of this error is, and more importantly, how to fix it? EDIT: I removed the class so now I have this: // // Controller.m // // Created by Duo Oratar on 15/01/2011. // Copyright 2011 __MyCompanyName__. All rights reserved. // #import "Controller.h" int skillcheck (int level, int modifer, int difficulty) { if (level + modifer >= difficulty) { return 1; } if (level + modifer <= difficulty) { return 0; } } int main () { skillcheck(10, 2, 10); } and for the .h file: // // Controller.h // // Created by Duo Oratar on 15/01/2011. // Copyright 2011 __MyCompanyName__. All rights reserved. // #import <Cocoa/Cocoa.h> and the log says: (thanks to the guy who said how to open it) Ld build/Debug/Calculator.app/Contents/MacOS/Calculator normal x86_64 cd /Users/kids/Desktop/Calculator setenv MACOSX_DEPLOYMENT_TARGET 10.6 /Developer/usr/bin/gcc-4.2 -arch x86_64 -isysroot /Developer/SDKs/MacOSX10.6.sdk -L/Users/kids/Desktop/Calculator/build/Debug -F/Users/kids/Desktop/Calculator/build/Debug -filelist /Users/kids/Desktop/Calculator/build/Calculator.build/Debug/Calculator.build/Objects-normal/x86_64/Calculator.LinkFileList -mmacosx-version-min=10.6 -framework Cocoa -o /Users/kids/Desktop/Calculator/build/Debug/Calculator.app/Contents/MacOS/Calculator ld: duplicate symbol _main in /Users/kids/Desktop/Calculator/build/Calculator.build/Debug/Calculator.build/Objects-normal/x86_64/Controller.o and /Users/kids/Desktop/Calculator/build/Calculator.build/Debug/Calculator.build/Objects-normal/x86_64/main.o collect2: ld returned 1 exit status Command /Developer/usr/bin/gcc-4.2 failed with exit code 1 ld: duplicate symbol _main in /Users/kids/Desktop/Calculator/build/Calculator.build/Debug/Calculator.build/Objects-normal/x86_64/Controller.o and /Users/kids/Desktop/Calculator/build/Calculator.build/Debug/Calculator.build/Objects-normal/x86_64/main.o Command /Developer/usr/bin/gcc-4.2 failed with exit code 1

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• SQL Query Not Functioning - No Error Message

  - by gamerzfuse

  // Write the data to the database $query = "INSERT INTO staff (name, lastname, username, password, position, department, birthmonth, birthday, birthyear, location, phone, email, street, city, state, country, zip, tags, photo) VALUES ('$name', '$lastname', '$username', '$password', '$position', '$department', '$birthmonth', '$birthday', '$birthyear', '$location', '$phone', '$email', '$street', '$city', '$state', '$country', '$zip', '$tags', '$photo')"; mysql_query($query); var_dump($query); echo '<p>' . $name . ' has been added to the Employee Directory.</p>'; if (!$query) { die('Invalid query: ' . mysql_error()); } Can someone tell me why the above code produced: string(332) "INSERT INTO staff (name, lastname, username, password, position, department, birthmonth, birthday, birthyear, location, phone, email, street, city, state, country, zip, tags, photo) VALUES ('Craig', 'Hooghiem', 'sdf', 'sdf', 'sdf', 'sdf', '01', '01', 'sdf', 'sdf', '', 'sdf', 'sdf', 'sd', 'sdf', 'sdf', 'sd', 'sdg', 'leftround.gif')" Craig has been added to the Employee Directory. But does not actually add anything into the database table "staff" ? I must be missing something obvious here.

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• Sorting tree with a materialized path?

  - by Ovid

  I have a tree structure in a table and it uses materialized paths to allow me to find children quickly. However, I also need to sort the results depth-first, as one would expect with threaded forum replies. id | parent_id | matpath | created ----+-----------+---------+---------------------------- 2 | 1 | 1 | 2010-05-08 15:18:37.987544 3 | 1 | 1 | 2010-05-08 17:38:14.125377 4 | 1 | 1 | 2010-05-08 17:38:57.26743 5 | 1 | 1 | 2010-05-08 17:43:28.211708 7 | 1 | 1 | 2010-05-08 18:18:11.849735 6 | 2 | 1.2 | 2010-05-08 17:50:43.288759 9 | 5 | 1.5 | 2010-05-09 14:02:43.818646 8 | 6 | 1.2.6 | 2010-05-09 14:01:17.632695 So the final results should actually be sorted like this: id | parent_id | matpath | created ----+-----------+---------+---------------------------- 2 | 1 | 1 | 2010-05-08 15:18:37.987544 6 | 2 | 1.2 | 2010-05-08 17:50:43.288759 8 | 6 | 1.2.6 | 2010-05-09 14:01:17.632695 3 | 1 | 1 | 2010-05-08 17:38:14.125377 4 | 1 | 1 | 2010-05-08 17:38:57.26743 5 | 1 | 1 | 2010-05-08 17:43:28.211708 9 | 5 | 1.5 | 2010-05-09 14:02:43.818646 7 | 1 | 1 | 2010-05-08 18:18:11.849735 How would I work that out? Can I do that in straight SQL (this is PostgreSQL 8.4) or should additional information be added to this table?

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• Regular expression in C#

  - by user340015

  i have text something like this. @@MMIVLoader@[email protected]@BCM_7400S_LE@Product@Aug 21 2009@ @@MMIVLib@[email protected]@BCM_7400S_LE@Product@Aug 21 2009@ @@HuaweFGDLDrv@[email protected]@7324@PRODUCT@Aug 20 2009@ @@ProtectVer@[email protected] @BCM_SDE5.03@PRODUCT@Aug 4 2009 06:56:19@ @@KernelSw@[email protected]@BCM-7454@PRODUCT@ Dec 19 2007@ @@ReceiverSw@[email protected]@HWBC01ZS@PRODUCT@May 3 2010@ i want the out put in an array like MMIVLoader 4.1.2 MMIVLib 4.1.2 HuaweFGDLDrv 01.00.09 ProtectVer 127.8.1 KernelSw 0.0.1 ReceiverSw E.5.6.001 Can any one suggest me how to do this in c# using regular expression or is there a any sophisticated way to do this thanks in advance

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• Custom array sort in perl

  - by ABach

  I have a perl array of to-do tasks that looks like this: @todos = ( "1 (A) Complete online final @evm4700 t:2010-06-02", "3 Write thank-you t:2010-06-10", "4 (B) Clean t:2010-05-30", "5 Donate to LSF t:2010-06-02", "6 (A) t:2010-05-30 Pick up dry cleaning", "2 (C) Call Chris Johnson t:2010-06-01" ); That first number is the task's ID. If a task has ([A-Z]) next to, that defines the task's priority. What I want to do is sort the tasks array in a way that places the prioritized items first (and in order): @todos = ( "1 (A) Complete online final @evm4700 t:2010-06-02", "6 (A) t:2010-05-30 Pick up dry cleaning", "4 (B) Clean t:2010-05-30", "2 (C) Call Chris Johnson t:2010-06-01" "3 Write thank-you t:2010-06-10", "5 Donate to LSF t:2010-06-02", ); I cannot use a regular sort() because of those IDs next to the tasks, so I'm assuming that some sort of customized sorting subroutine is needed. However, my knowledge of how to do this efficiently in perl is minimal. Thanks, all.

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• WCF Deserialization Error

  - by BK

  ERROR - Exception: System.ServiceModel.Dispatcher.NetDispatcherFaultException Message: The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter services.gmrlive.com/JupiterMobile/2009/01/01/:StatusDetails. The InnerException message was 'There was an error deserializing the object of type X.X.X.Entities.StatusDetailCollection. Name cannot begin with the '5' character, hexadecimal value 0x35. Line 12, position 45.'. I am tracing the wcf logs but i am unable to see the actual xml message. It fails to log the malformed message. Can anyone help?

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• How do I parse boolean logic?

  - by d03boy

  I need to write a boolean logic parser which will translate the boolean logic language to a SQL WHERE clause. The order of the operands will always be in the correct order (with value on the right). Here is a relatively simple example. There could be nested parentheses and the use of NOT operators, etc. (CACOUNT=01 OR CACOUNT=02 OR CACOUNT=03 OR CACOUNT=05 OR CACOUNT=07 OR CACOUNT=09 OR CACOUNT=12 OR CACOUNT=13 OR CACOUNT=18) AND Q4=1 AND NAME=TIMOTHY Here is what the WHERE clause would resemble. WHERE ( EXISTS ( SELECT 1 FROM MyVerticalTable b WHERE b.Key=a.Key AND b.Key='CACOUNT' AND b.Value='01' ) )

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• unresolved external symbol __penter referenced in function _WspiapiStrdup@4

  - by John Weldon

  I started getting this compile error after upgrading to Visual Studio 2010. Not sure if it's related, but I can't figure out what library to reference to satisfy this dependency? Is it just an API change bug or something? Microsoft (R) Program Maintenance Utility Version 10.00.30319.01 Copyright (C) Microsoft Corporation. All rights reserved. del wstest.res wstest.obj wstest.pdb wstest.ilk wstest.exe wstest.exe.manifest vc90.pdb cl -Gh -Ox -DNDEBUG -c -DCRTAPI1=_cdecl -DCRTAPI2=_cdecl -nologo -GS -D_X86_=1 -DWIN32 -D_WIN32 -W3 -D_WINNT -D_WIN32_WINNT =0x0501 -DNTDDI_VERSION=0x05010000 -D_WIN32_IE=0x0600 -DWINVER=0x0501 -D_MT -D_DLL -MDd wstest.c wstest.c link /DEBUG /DEBUGTYPE:cv -out:wstest.exe wstest.obj Ws2_32.lib Shlwapi.lib Microsoft (R) Incremental Linker Version 10.00.30319.01 Copyright (C) Microsoft Corporation. All rights reserved. wstest.obj : error LNK2019: unresolved external symbol __penter referenced in function _WspiapiStrdup@4 wstest.exe : fatal error LNK1120: 1 unresolved externals NMAKE : fatal error U1077: '"c:\program files (x86)\microsoft visual studio 10.0\vc\bin\link.EXE"' : return code '0x460' Stop.

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• Help with this query in Access

  - by DiegoMaK

  ID- DATE- NAME 10100- 2010/04/17- Name1 10100- 2010/04/14- Name2 10200- 2010/04/17- Name3 10200- 2010/04/16- Name4 10200- 2010/04/15- Name5 10400- 2010/04/01- Name6 I have this fields(and others too) in one table. I need to do a query which return the ID with your respective name where more recently date for example the results for desired query in that data example will be. 10100- 2010/04/17- Name1 10200- 2010/04/17- Name3 10400- 2010/04/01- Name6 Ommiting ID with older dates. Then I need one query for that. thanks.

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• How Do I Loop Through a Date Range in Reverse?

  - by Russ Bradberry

  I have a date range that I would like to be able to loop through in reverse. Give the following, how would I accomplish this, the standard Range operator doesn't seem t be working properly. >> sd = Date.parse('2010-03-01') => Mon, 01 Mar 2010 >> ed = Date.parse('2010-03-05') => Fri, 05 Mar 2010 >> (sd..ed).to_a => [Mon, 01 Mar 2010, Tue, 02 Mar 2010, Wed, 03 Mar 2010, Thu, 04 Mar 2010, Fri, 05 Mar 2010] >> (ed..sd).to_a => [] as you can see, the range operator works properly form start to end, but not from end to start.

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• SubSonic 3.0 Simple Repository Adding a DateTime Property To An Object

  - by Blounty

  I am trying out SubSonic to see if it is viable to use on production projects. I seem to have stumbled upon an issue whith regards to updating the database with default values (String and DateTime) when a new column is created. If a new property of DateTime or String is added to an object. public class Bug { public int BugId { get; set; } public string Title { get; set; } public string Overview { get; set; } public DateTime TrackedDate { get; set; } public DateTime RemovedDate { get; set; } } When the code to add that type of object to the database is run var repository = new SimpleRepository(SimpleRepositoryOptions.RunMigrations); repository.Add(new Bug() { Title = "A Bug", Overview = "An Overview", TrackedDate = DateTime.Now }); it creates the following sql: UPDATE Bugs SET RemovedDate=''01/01/1900 00:00:00'' For some reason it is adding double 2 single quotes to each end of the string or DateTime. This is causing the following error: System.Data.SqlClient.SqlException - Incorrect syntax near '01' I am connecting to SQL Server 2005 Any help would be appreicated as apart from this issue i am finding SubSonic to be a great product. I have created a screen cast of my error here:

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• Strange: Planner takes decision with lower cost, but (very) query long runtime

  - by S38

  Facts: PGSQL 8.4.2, Linux I make use of table inheritance Each Table contains 3 million rows Indexes on joining columns are set Table statistics (analyze, vacuum analyze) are up-to-date Only used table is "node" with varios partitioned sub-tables Recursive query (pg = 8.4) Now here is the explained query: WITH RECURSIVE rows AS ( SELECT * FROM ( SELECT r.id, r.set, r.parent, r.masterid FROM d_storage.node_dataset r WHERE masterid = 3533933 ) q UNION ALL SELECT * FROM ( SELECT c.id, c.set, c.parent, r.masterid FROM rows r JOIN a_storage.node c ON c.parent = r.id ) q ) SELECT r.masterid, r.id AS nodeid FROM rows r QUERY PLAN ----------------------------------------------------------------------------------------------------------------------------------------------------------------- CTE Scan on rows r (cost=2742105.92..2862119.94 rows=6000701 width=16) (actual time=0.033..172111.204 rows=4 loops=1) CTE rows -> Recursive Union (cost=0.00..2742105.92 rows=6000701 width=28) (actual time=0.029..172111.183 rows=4 loops=1) -> Index Scan using node_dataset_masterid on node_dataset r (cost=0.00..8.60 rows=1 width=28) (actual time=0.025..0.027 rows=1 loops=1) Index Cond: (masterid = 3533933) -> Hash Join (cost=0.33..262208.33 rows=600070 width=28) (actual time=40628.371..57370.361 rows=1 loops=3) Hash Cond: (c.parent = r.id) -> Append (cost=0.00..211202.04 rows=12001404 width=20) (actual time=0.011..46365.669 rows=12000004 loops=3) -> Seq Scan on node c (cost=0.00..24.00 rows=1400 width=20) (actual time=0.002..0.002 rows=0 loops=3) -> Seq Scan on node_dataset c (cost=0.00..55001.01 rows=3000001 width=20) (actual time=0.007..3426.593 rows=3000001 loops=3) -> Seq Scan on node_stammdaten c (cost=0.00..52059.01 rows=3000001 width=20) (actual time=0.008..9049.189 rows=3000001 loops=3) -> Seq Scan on node_stammdaten_adresse c (cost=0.00..52059.01 rows=3000001 width=20) (actual time=3.455..8381.725 rows=3000001 loops=3) -> Seq Scan on node_testdaten c (cost=0.00..52059.01 rows=3000001 width=20) (actual time=1.810..5259.178 rows=3000001 loops=3) -> Hash (cost=0.20..0.20 rows=10 width=16) (actual time=0.010..0.010 rows=1 loops=3) -> WorkTable Scan on rows r (cost=0.00..0.20 rows=10 width=16) (actual time=0.002..0.004 rows=1 loops=3) Total runtime: 172111.371 ms (16 rows) (END) So far so bad, the planner decides to choose hash joins (good) but no indexes (bad). Now after doing the following: SET enable_hashjoins TO false; The explained query looks like that: QUERY PLAN ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CTE Scan on rows r (cost=15198247.00..15318261.02 rows=6000701 width=16) (actual time=0.038..49.221 rows=4 loops=1) CTE rows -> Recursive Union (cost=0.00..15198247.00 rows=6000701 width=28) (actual time=0.032..49.201 rows=4 loops=1) -> Index Scan using node_dataset_masterid on node_dataset r (cost=0.00..8.60 rows=1 width=28) (actual time=0.028..0.031 rows=1 loops=1) Index Cond: (masterid = 3533933) -> Nested Loop (cost=0.00..1507822.44 rows=600070 width=28) (actual time=10.384..16.382 rows=1 loops=3) Join Filter: (r.id = c.parent) -> WorkTable Scan on rows r (cost=0.00..0.20 rows=10 width=16) (actual time=0.001..0.003 rows=1 loops=3) -> Append (cost=0.00..113264.67 rows=3001404 width=20) (actual time=8.546..12.268 rows=1 loops=4) -> Seq Scan on node c (cost=0.00..24.00 rows=1400 width=20) (actual time=0.001..0.001 rows=0 loops=4) -> Bitmap Heap Scan on node_dataset c (cost=58213.87..113214.88 rows=3000001 width=20) (actual time=1.906..1.906 rows=0 loops=4) Recheck Cond: (c.parent = r.id) -> Bitmap Index Scan on node_dataset_parent (cost=0.00..57463.87 rows=3000001 width=0) (actual time=1.903..1.903 rows=0 loops=4) Index Cond: (c.parent = r.id) -> Index Scan using node_stammdaten_parent on node_stammdaten c (cost=0.00..8.60 rows=1 width=20) (actual time=3.272..3.273 rows=0 loops=4) Index Cond: (c.parent = r.id) -> Index Scan using node_stammdaten_adresse_parent on node_stammdaten_adresse c (cost=0.00..8.60 rows=1 width=20) (actual time=4.333..4.333 rows=0 loops=4) Index Cond: (c.parent = r.id) -> Index Scan using node_testdaten_parent on node_testdaten c (cost=0.00..8.60 rows=1 width=20) (actual time=2.745..2.746 rows=0 loops=4) Index Cond: (c.parent = r.id) Total runtime: 49.349 ms (21 rows) (END) - incredibly faster, because indexes were used. Notice: Cost of the second query ist somewhat higher than for the first query. So the main question is: Why does the planner make the first decision, instead of the second? Also interesing: Via SET enable_seqscan TO false; i temp. disabled seq scans. Than the planner used indexes and hash joins, and the query still was slow. So the problem seems to be the hash join. Maybe someone can help in this confusing situation? thx, R.

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• Regex to extract date

  - by user99322

  string1.Replace( "new Date(2009,0,1)", "'01-Jan-2009'" ) Can I use a regex instead to extract the date from the above format?

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• Problem measuring N times the execution time of a code block

  - by Nazgulled

  EDIT: I just found my problem after writing this long post explaining every little detail... If someone can give me a good answer on what I'm doing wrong and how can I get the execution time in seconds (using a float with 5 decimal places or so), I'll mark that as accepted. Hint: The problem was on how I interpreted the clock_getttime() man page. Hi, Let's say I have a function named myOperation that I need to measure the execution time of. To measure it, I'm using clock_gettime() as it was recommend here in one of the comments. My teacher recommends us to measure it N times so we can get an average, standard deviation and median for the final report. He also recommends us to execute myOperation M times instead of just one. If myOperation is a very fast operation, measuring it M times allow us to get a sense of the "real time" it takes; cause the clock being used might not have the required precision to measure such operation. So, execution myOperation only one time or M times really depends if the operation itself takes long enough for the clock precision we are using. I'm having trouble dealing with that M times execution. Increasing M decreases (a lot) the final average value. Which doesn't make sense to me. It's like this, on average you take 3 to 5 seconds to travel from point A to B. But then you go from A to B and back to A 5 times (which makes it 10 times, cause A to B is the same as B to A) and you measure that. Than you divide by 10, the average you get is supposed to be the same average you take traveling from point A to B, which is 3 to 5 seconds. This is what I want my code to do, but it's not working. If I keep increasing the number of times I go from A to B and back A, the average will be lower and lower each time, it makes no sense to me. Enough theory, here's my code: #include <stdio.h> #include <time.h> #define MEASUREMENTS 1 #define OPERATIONS 1 typedef struct timespec TimeClock; TimeClock diffTimeClock(TimeClock start, TimeClock end) { TimeClock aux; if((end.tv_nsec - start.tv_nsec) < 0) { aux.tv_sec = end.tv_sec - start.tv_sec - 1; aux.tv_nsec = 1E9 + end.tv_nsec - start.tv_nsec; } else { aux.tv_sec = end.tv_sec - start.tv_sec; aux.tv_nsec = end.tv_nsec - start.tv_nsec; } return aux; } int main(void) { TimeClock sTime, eTime, dTime; int i, j; for(i = 0; i < MEASUREMENTS; i++) { printf(" » MEASURE %02d\n", i+1); clock_gettime(CLOCK_REALTIME, &sTime); for(j = 0; j < OPERATIONS; j++) { myOperation(); } clock_gettime(CLOCK_REALTIME, &eTime); dTime = diffTimeClock(sTime, eTime); printf(" - NSEC (TOTAL): %ld\n", dTime.tv_nsec); printf(" - NSEC (OP): %ld\n\n", dTime.tv_nsec / OPERATIONS); } return 0; } Notes: The above diffTimeClock function is from this blog post. I replaced my real operation with myOperation() because it doesn't make any sense to post my real functions as I would have to post long blocks of code, you can easily code a myOperation() with whatever you like to compile the code if you wish. As you can see, OPERATIONS = 1 and the results are: » MEASURE 01 - NSEC (TOTAL): 27456580 - NSEC (OP): 27456580 For OPERATIONS = 100 the results are: » MEASURE 01 - NSEC (TOTAL): 218929736 - NSEC (OP): 2189297 For OPERATIONS = 1000 the results are: » MEASURE 01 - NSEC (TOTAL): 862834890 - NSEC (OP): 862834 For OPERATIONS = 10000 the results are: » MEASURE 01 - NSEC (TOTAL): 574133641 - NSEC (OP): 57413 Now, I'm not a math wiz, far from it actually, but this doesn't make any sense to me whatsoever. I've already talked about this with a friend that's on this project with me and he also can't understand the differences. I don't understand why the value is getting lower and lower when I increase OPERATIONS. The operation itself should take the same time (on average of course, not the exact same time), no matter how many times I execute it. You could tell me that that actually depends on the operation itself, the data being read and that some data could already be in the cache and bla bla, but I don't think that's the problem. In my case, myOperation is reading 5000 lines of text from an CSV file, separating the values by ; and inserting those values into a data structure. For each iteration, I'm destroying the data structure and initializing it again. Now that I think of it, I also that think that there's a problem measuring time with clock_gettime(), maybe I'm not using it right. I mean, look at the last example, where OPERATIONS = 10000. The total time it took was 574133641ns, which would be roughly 0,5s; that's impossible, it took a couple of minutes as I couldn't stand looking at the screen waiting and went to eat something.

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• (resolved) empty response body in ajax (or 206 Partial Content)

  - by Nikita Rybak

  Hi guys, I'm feeling completely stupid because I've spent two hours solving task which should be very simple and which I solved many times before. But now I'm not even sure in which direction to dig. I fail to fetch static content using ajax from local servers (Apache and Mongrel). I get responses 200 and 206 (depending on the server), empty response text (although Content-Length header is always correct), firebug shows request in red. Javascript is very generic, I'm getting same results even here: http://www.w3schools.com/ajax/tryit.asp?filename=tryajax_first (just change document location to 'http://localhost:3000/whatever') So, it's probably not the cause. Well, now I'm out of ideas. I can also post http headers, if it'll help. Thanks! Response Headers Connection close Date Sat, 01 May 2010 21:05:23 GMT Last-Modified Sun, 18 Apr 2010 19:33:26 GMT Content-Type text/html Content-Length 7466 Request Headers Host localhost:3000 User-Agent Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 115 Connection keep-alive Referer http://www.w3schools.com/ajax/tryit_view.asp Origin http://www.w3schools.com Response Headers Date Sat, 01 May 2010 21:54:59 GMT Server Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8l DAV/2 mod_jk/1.2.28 Etag "3d5cbdb-fb4-4819c460d4a40" Accept-Ranges bytes Content-Length 4020 Cache-Control max-age=7200, public, proxy-revalidate Expires Sat, 01 May 2010 23:54:59 GMT Content-Range bytes 0-4019/4020 Keep-Alive timeout=5, max=100 Connection Keep-Alive Content-Type application/javascript Request Headers Host localhost User-Agent Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 115 Connection keep-alive Origin null UPDATED: I've found a problem, it was about cross-domain requests. I knew that there are restrictions, but thought they're relaxed for local filesystem and local servers. (and expected more descriptive error message, anyway) Thanks everybody!

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• Cache inferno - how can Model.A be two different things at the same time?

  - by Martin

  I have this <%=Model.StartDate%> <%=Html.Hidden("StartDate", Model.StartDate)%> it outputs: 2010-05-11 11:00:00 +01:00 <input type="hidden" value="2010-03-17 11:00:00 +01:00" name="StartDate" id="StartDate"> What the... It's a paging mechanism so the hidden value was valid on the first page and I've been able to move forward to the next page. But since the values won't update properly it ends there. What do I need to do. Using firefox.

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• tsql proc logic help

  - by bacis09

  I am weak in SQL and need some help working through some logic with my proc. Three pieces: store procedure, table1, table2 Table 1 stores most recent data for specific IDs Customer_id status_dte status_cde app_dte 001 2010-04-19 Y 2010-04-19 Table 2 stores history of data for specific customer IDs: For example: Log_id customer_Id status_dte status_cde 01 001 2010-04-20 N 02 001 2010-04-19 Y 03 001 2010-04-19 N 04 001 2010-04-19 Y The stored proecure currently throws an error if the status date from table1 is < than app_date in table1. If @status_dte < app_date Error Note: @status_dte is a variable stored as the status_dte from table1 However, I want it to throw an error when the EARLIEST status_dte from table 2 with a status_cde of 'Y' is less than the app_dte column in table 1. Keep in mind that this earliest date is not stored anywhere, the history of data changes per customer. Another customer might have the following history. Log_id customer_Id status_dte status_cde 01 002 2010-04-20 N 02 002 2010-04-18 N 03 002 2010-04-19 Y 04 002 2010-04-19 Y Any ideas on how I can approach this?

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• complicated sql query !!

  - by user507779

  LookupTable: userid, mobileid, startedate, enddate , owner 1 , 1 , 12-12-2000, 01-01-2001, asd 2 , 2 , 12-12-2000, 01-01-2001, dgs 3 , 3 , 02-01-2001, 01-01-2002, sdg 4 , 4 , 12-12-2000, 01-01-2001, sdg UserInfoTable: userid, firstname, lastname, address 1 , tom , do , test 2 , sam , smith , asds 3 , john , saw , asdasda 4 , peter , winston , near by Mobile: Mobileid, Name , number, imeinumber 1 , apple , 123 , 1111111 2 , nokia , 456 , 2222222 3 , vodafone , 789 , 3333333 CallLogs: id , Mobileid, callednumbers (string), date , totalduration 1 , 1 , 123,123,321 , 13-12-2000 , 30 2 , 1 , 123,123,321 , 14-12-2000 , 30 3 , 2 , 123,123,321 , 13-12-2000 , 30 4 , 2 , 123,123,321 , 14-12-2000 , 30 5 , 3 , 123,123,321 , 13-12-2000 , 30 6 , 3 , 123,123,321 , 14-12-2000 , 30 1 , 1 , 123,123,321 , 13-01-2002 , 30 2 , 1 , 123,123,321 , 14-01-2002 , 30 I want a query which will return me the following: firstname, lastname, mobile.name as mobilename, callednumbers (as concatinated strings from different rows in CallLogs table) and need it for year 2000 example: firstname, lastname, mobilename, callednumbers tom , do , apple , 123,123,321, 123,123,321 sam , smith , nokia , 123,123,321, 123,123,321 peter , winston , apple , 123,123,321, 123,123,321 any help will be highly appreciated...

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• How can I replace only the last occurence of an number in a string with php?

  - by Shawn

  How would you change this: a-10-b-19-c into something like this: a-10-b-20-c using regular expressions in PHP? The only solution I've found so far is: reverse the original string - "c-91-b-01-a" find the first number - "91" reverse it - "19" turn in into a number (parseInt) - 19 add 1 to it (+1) - 20 turn it into a string again (toString) - "20" reverse it again - "02" replace the original match with this new number - "c-02-b-01-a" reverse the string - "a-10-b-20-c" I was hoping someone on SO would have a simpler way to do this... Anyone?

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• Core-Data Can't pass managedObjectContext from app delegate to view controller

  - by yahuie

  I'm making a core-data application that is view based. I can create the managedObjectContext and 'use' it in the app delegate, but can not pass it to the mainviewcontroller. Probably something simple, but I can't find the problem after looking for quite a while. The managedObjectModel is nil in the mainviewcontroller. The log and error is here: 2010-06-02 11:01:10.504 TestCoreData[404:207] Could not make MOC in MainViewController implementation. 2010-06-02 11:01:10.505 TestCoreData[404:207] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '+entityForName: could not locate an NSManagedObjectModel for entity name 'Shelf'' 2010-06-02 11:01:10.506 TestCoreData[404:207] Stack: ( 30864475, 2452296969, 28852395, 12038, 3217218, 10258, 2700679, 2738614, 2726708, 2709119, 2736225, 38960473, 30649216, 30645320, 2702869, 2740143, 9704, 9558 ) (gdb) Code for app delegate here: -(BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { MainViewController *aController = [[MainViewController alloc] initWithNibName:@"MainView" bundle:nil]; self.mainViewController = aController; [aController release]; NSLog(@"before did finish launching"); if (self.managedObjectContext == nil) { NSLog(@"Could not make MOC in TestCoreDataAppDelegate implementation."); } //Just to see if I can access the here. NSFetchRequest* request = [[NSFetchRequest alloc] init]; NSEntityDescription* entity = [NSEntityDescription entityForName:@"Shelf" inManagedObjectContext:self.managedObjectContext]; [request setEntity:entity]; if (!entity) { NSLog(@"No Entity in TestCoreDataAppDelegate didfinishlaunching"); } NSLog(@"passed did finish launching"); NSManagedObjectContext *context = [self managedObjectContext]; self.mainViewController.view.frame = [UIScreen mainScreen].applicationFrame; self.mainViewController.managedObjectContext = context; [context release]; [window addSubview:[mainViewController view]]; [window makeKeyAndVisible]; return YES; } Code in MainViewController here: @implementation MainViewController @synthesize managedObjectContext; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) { // Custom initialization } return self; } - (void)viewDidLoad { [super viewDidLoad]; if (self.managedObjectContext == nil) { NSLog(@"Could not make MOC in MainViewController implementation."); } NSFetchRequest* request = [[NSFetchRequest alloc] init]; NSEntityDescription* entity = [NSEntityDescription entityForName:@"Shelf" inManagedObjectContext:self.managedObjectContext]; [request setEntity:entity]; } Thanks.

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• Audio Detection in Matlab

  - by insane-36

  I am writing a matlab code that would be able to read the audio file and then compare it to the another audio and recognize if those audio are the voice of the same person. In both type of the audio, would have the same word utterance and the audio is about 1 minutes long. I have come to know that the approach of sliding windows using hamming window would work best on this approach but have a very little idea on this. The simple code to read an audio file and then display a portion of 10s is as below : [x,fs, nbits]= wavread('01-AudioTrack 01.wav'); subplot(211) plot(x) title('Entire Wave') smallRange = 1:100000; subplot(212) plot(smallRange,x(smallRange)) How do I make Hamming window each of 10ms in this case and what approaches should I take to deal with this problem ?

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• Python code that needs some overview

  - by fabio

  Hi guys, im currently learning python (in the very begining), so I still have some doubts about good code manners and how should I proceed with it. Today I created this code that should random trought 01 to 60 (but is running from 01 to 69) import random dez = ['0', '1', '2', '3', '4', '5', '6'] uni = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'] sort = [] while len(sort) <= 5: random.shuffle(dez) random.shuffle(uni) w = random.choice(dez) z = random.choice(uni) chosen = str(w) + str(z) if chosen != "00" and chosen not in sort: sort.append(chosen) print chosen I'm also in doubt how to make the code stop at "60".

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• Prototype Ajax.Updater Response OK, but not showing up in FF. working in Safari!

  - by koko

  Hi, I've got a quite strange problem here. I'm calling some simple code via Ajax.Updater: new Ajax.Updater('load','http://myurl.com/demo.pl?key=demokey&param1=xyz&param2=abc',{ method:'get', onComplete:function(transport){ alert(transport.responseText) } }); which gets some code like this: <img id="2009_04_15_1239786246" src='../pv/100/2009_04_15_1239786246-01.jpg' border="1"> <img id="2009_04_15_1239786066" src='../pv/100/2009_04_15_1239786066-01.jpg' border="1"> ... and so on This code shows up in my firebug console as my server response, so everything should be fine. No errors here at all. Works fine in Safari. Firefox, according to Firebug, knows there is a response, but it won't show a thing in my div 'load' and the alert(transport.responseText) is also empty. I have no idea what could be the problem here.

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