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  • Using stringstream instead of `sscanf` to parse a fixed-format string

    - by John Dibling
    I would like to use the facilities provided by stringstream to extract values from a fixed-format string as a type-safe alternative to sscanf. How can I do this? Consider the following specific use case. I have a std::string in the following fixed format: YYYYMMDDHHMMSSmmm Where: YYYY = 4 digits representing the year MM = 2 digits representing the month ('0' padded to 2 characters) DD = 2 digits representing the day ('0' padded to 2 characters) HH = 2 digits representing the hour ('0' padded to 2 characters) MM = 2 digits representing the minute ('0' padded to 2 characters) SS = 2 digits representing the second ('0' padded to 2 characters) mmm = 3 digits representing the milliseconds ('0' padded to 3 characters) Previously I was doing something along these lines: string s = "20101220110651184"; unsigned year = 0, month = 0, day = 0, hour = 0, minute = 0, second = 0, milli = 0; sscanf(s.c_str(), "%4u%2u%2u%2u%2u%2u%3u", &year, &month, &day, &hour, &minute, &second, &milli ); The width values are magic numbers, and that's ok. I'd like to use streams to extract these values and convert them to unsigneds in the interest of type safety. But when I try this: stringstream ss; ss << "20101220110651184"; ss >> setw(4) >> year; year retains the value 0. It should be 2010. How do I do what I'm trying to do? I can't use Boost or any other 3rd party library, nor can I use C++0x.

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  • Format a timestamp into text

    - by user1257114
    I want to get the Modify date of a file and then format it into a human readable date. I am running a C program that gets information on when a particular file was last modified. My C Code contains a sytem cmd which contains a number of egreps, awks, seds separated by pipes. Using sed or awk or something similar, how can I convert 06 to June (This can be any month so an array or something is required) What I am trying to achieve is to end up with a string similar to: My C code contains: char string1[100] = ""; #define MAXCHAR 100 FILE *fp; char str[MAXCHAR], str2[MAXCHAR]; char* filename = "newfile"; /* stat: run 'stat' on the dtlName file to display status information. egrep: search for the pattern 'Modify' and print the lines containing it. awk: Get columns 2 & 3 sed: replace the . with a space, leaving 3 columns of output awk: only print cols 1 & 2 to newfile sed: replace '-' with ' ' in newfile awk: format output in newfile */ sprintf(string1, "/bin/stat %s \ | egrep Modify \ | /bin/awk '{print $2, $3}' \ | /bin/sed 's/\\./ /g' \ | /bin/awk '{print $1, $2}' \ | /bin/sed 's/-/ /g' \ | /bin/awk '{print $3,$2\", \"$1,\"at\",$4}' > newfile" , dtlName); system(string1); fp = fopen(filename, "r"); while (fgets(str, MAXCHAR, fp) != NULL) sprintf(str2,"%s", str); /* Write information to file */ DisplayReportFile (report); ReportEntry (report,L"Source file: %s, Created: %s\n\n",dtlName,str2);

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  • format, iomanip, c++

    - by Crystal
    I'm trying to learn to use namespaces declarations more definitive than not just say "using namespace std". I'm trying to format my data to 2 decimal places, and set the format to be fixed and not scientific. This is my main file: #include <iostream> #include <iomanip> #include "SavingsAccount.h" using std::cout; using std::setprecision; using std::ios_base; int main() { SavingsAccount *saver1 = new SavingsAccount(2000.00); SavingsAccount *saver2 = new SavingsAccount(3000.00); SavingsAccount::modifyInterestRate(.03); saver1->calculateMonthlyInterest(); saver2->calculateMonthlyInterest(); cout << ios_base::fixed << "saver1\n" << "monthlyInterestRate: " << saver1->getMonthlyInterest() << '\n' << "savingsBalance: " << saver1->getSavingsBalance() << '\n'; cout << "saver2\n" << "monthlyInterestRate: " << saver2->getMonthlyInterest() << '\n' << "savingsBalance: " << saver2->getSavingsBalance() << '\n'; } On Visual Studio 2008, when I run my program, I get an output of "8192" before the data I want. Is there a reason for that? Also, I don't think I am setting the fixed part or 2 decimal places correctly since I seem to get scientific notation once I added the setprecision(2). Thanks.

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  • How to Save data in txt file in MATLAB

    - by Jessy
    I have 3 txt files s1.txt, s2.txt, s3.txt.Each have the same format and number of data.I want to combine only the second column of each of the 3 files into one file. Before I combine the data, I sorted it according to the 1st column: UnSorted file: s1.txt s2.txt s3.txt 1 23 2 33 3 22 4 32 4 32 2 11 5 22 1 10 5 28 2 55 8 11 7 11 Sorted file: s1.txt s2.txt s3.txt 1 23 1 10 2 11 2 55 2 33 3 22 4 32 4 32 5 28 5 22 8 11 7 11 Here is the code I have so far: BaseFile ='s' n=3 fid=fopen('RT.txt','w'); for i=1:n %Open each file consecutively d(i)=fopen([BaseFile num2str(i)'.txt']); %read data from file A=textscan(d(i),'%f%f') a=A{1} b=A{2} ab=[a,b]; %sort the data according to the 1st column B=sortrows(ab,1); %delete the 1st column after being sorted B(:,1)=[] %write to a new file fprintf(fid,'%d\n',B'); %close (d(i)); end fclose(fid); How can I get the output in the new txt file in this format? 23 10 11 55 33 22 32 32 28 22 11 11 instead of this format? 23 55 32 22 10 33 32 11 11 22 28 11

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  • asp.net gridview bind dateformat not working with update

    - by Brabbeldas
    I have a GridView with a TemplateField column which shows a DateTime from a DataSource. <Columns> <asp:CommandField ShowEditButton="True" /> <asp:TemplateField HeaderText="Start Date"> <EditItemTemplate> <asp:TextBox ID="txtDateStart" runat="server" Text='<%# Bind("dtDateStart", "{0:dd/MM/yyyy}") %>'</asp:TextBox> </EditItemTemplate> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("dtDateStart", "{0:dd/MM/yyyy}") %>'></asp:Label> </ItemTemplate> </asp:TemplateField> </Columns> Displaying the date in the correct format works as it should. Note that the format starts with DAY followed by MONTH. When I switch to edit mode, change the date in the TextBox to '31-01-2013' and press the GridView's update-link i get an error: Cannot convert value of parameter 'dtDateStart' from 'System.String' to 'System.DateTime' The error is generated by the GridView not my own code. It happens before the UpdateMethod of my DataSource is called. When i type '01-31-2012' the data is processed correctly and the value is updated into the database. Somehow when the date is displayed it uses format dd-MM-yyyy (just as I need it to) But when it reads the new value form the TextBox it uses MM-dd-yyyy Can somebody please help me?

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  • "Conversion to Dalvik format failed with error 1" on external Jar

    - by michel
    In my Android appliction in eclipse I get the following error: UNEXPECTED TOP-LEVEL EXCEPTION: java.lang.IllegalArgumentException: already added: Lorg/xmlpull/v1/XmlPullParser; .... Conversion to Dalvik format failed with error 1 this error only appears if I add a specific external Jar to my project. I search long time to the right solution but all possible solutions don't work. I even tried to change to android 1.6 instead of 1.5(current version I use)

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  • PHP - format bytes to kilobytes, megabytes, gigabytes

    - by pygorex1
    Scenario: the size of various files are stored in a database as bytes. What's the best way to format this size info to kilobytes, megabytes and gigabytes? For instance I have an MP3 that Ubuntu displays as "5.2 MB (5445632 bytes)". How would I display this on a web page as "5.2 MB" AND have files less than one megabyte display as KB and files one gigabyte and above display as GB?

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  • Convert the uploaded files to specific file format which can not download

    - by Avinash
    Hi, I have a problem regarding to prevent download and saving of uploaded files. My users can upload multiple files types like doc, pdf, ppt,etc.... This all file types are easily download if any one have url. So what is the better way to prevent the download of the file. Or i convert the uploaded files to some specific format which can not download easily (e.g flash).. I am running on php and mysql. Thanks Avinash

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  • Managing timezone in php with ics date/time format

    - by John
    Ok, I'm using an ICS parser utility to parse google calendar ICS files. It works great, except google is feeding me the times of the events at UCT.. so I need to subtract 5 hours now, and 6 hours when daylight savings happens. To get the start time I'm using: $timestart = date("g:iA",strtotime(substr($event['DTSTART'], 9, -3))); //$event['DTSTART'] feeds me back the date in ICS format: 20100406T200000Z So any suggestions how to handle timezone and daylight savings time? Thanks in advance

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  • "Format is not recognized" error while trying to sign xap-file with signtool

    - by Eugene Larchick
    Hi, I am trying to follow this tutotial: http://channel9.msdn.com/learn/courses/Silverlight4/Overview/Overview/Moving-Beyond-the-Browser--Elevated-Trust-Applications/#_Toc256192962 in order to sign my silverlight application. But on the last step which is something like that: signtool sign /v /f c:\Demo\TestOOBCodeSigningCA.pfx /p password c:\Demo\SilverlightApplication2\SilverlightApplication2.Web\ClientBin\SilverlightApplication2.xap I got the following error: SignTool Error: This file format cannot be signed because it is not recognized SignTool Error: An error occured while attempting to sign: c:\Demo\SilverlightApplication2\SilverlightApplication2.Web\ClientBin\SilverlightApplication2.xap What can be the reason?

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  • Preview SMS format when sending email to SMS

    - by jarrett
    I'm using carrier-specific addresses to send email to SMS, which works fine. In reference to the answer of this question http://stackoverflow.com/questions/1179854/limitations-on-sms-messages-sent-using-free-email-sms-gateways is there any websites or other resources that list the format that is delivered for each carrier. ATT for example delivers the SMS with some added formatting that is not present with T-Mobile. I realize this is not a coding question, but since I can only see this question arising for someone that is creating email to SMS specific applications, it seems relevant to SO.

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  • Using a Unicode format for Python's `time.strftime()`

    - by Hosam Aly
    I am trying to call Python's time.strftime() function using a Unicode format string: u'%d\u200f/%m\u200f/%Y %H:%M:%S' (\u200f is the "Right-To-Left Mark" (RLM).) However, I am getting an exception that the RLM character cannot be encoded into ascii: UnicodeEncodeError: 'ascii' codec can't encode character u'\u200f' in position 2: ordinal not in range(128) I have tried searching for an alternative but could not find a reasonable one. Is there an alternative to this function, or a way to make it work with Unicode characters?

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  • How to format a date using Apache Derby?

    - by Steel Plume
    Hello, I would like to format nicely a date received from a query like: SELECT recdate FROM myrecords; pratically I am searching the function to pretty formatting with a date pattern, better if SimpleDateFormat like. And if not possible how can I build a class for formatting with somtehing like: SELECT MyFormatter(recdate) FROM myrecords

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  • Changing date format to "%d/%m/%Y"

    - by bazon
    Hi Guys, Would like to change the date format in R. My data frame is shown below and would like to change all the date formats to "%d/%m/%Y" .Any help would be appreciated! df: id bdate wdate ddate 1 09/09/09 12/10/09 2009-09-27 Thanks, Bazon

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  • MySQL UTC Date format

    - by Btibert3
    Hi everyone, I am pulling data from Twitter's api and the return date is UTC in the following form: Sat Jan 24 22:14:29 +0000 2009 Can MySQL handle this format specifically or do I need to transform it? I am pulling the data using Python. Thanks, Brock

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  • Help Understanding the Mork File Format

    - by Sumit Ghosh
    Hi, I have a name value pair in a Java HashMap and this in continuation to my earlier question - here NickName=,LastModifiedDate=4ac18267,FaxNumberType=,BirthMonth=,LastName=,HomePhone=,WorkCountry=,HomePhoneType=,PreferMailFormat=0,CellularNumber=,FamilyName=,[email protected],AnniversaryMonth=,HomeCity=,WorkState=,HomeCountry=,PhoneticFirstName=,PhoneticLastName=,HomeState=,WorkAddress=,WebPage1=,WebPage2=,HomeAddress2=,WorkZipCode=,_AimScreenName=,AnniversaryYear=,WorkPhoneType=,Notes=,WorkAddress2=,WorkPhone=,Custom3=,Custom4=,Custom1=,Custom2=,PagerNumber=,AnniversaryDay=,WorkCity=,AllowRemoteContent=0,CellularNumberType=,FaxNumber=,PopularityIndex=2,FirstName=,SpouseName=,CardType=,Department=,Company=,HomeAddress=,BirthDay=,SecondEmail=,RecordKey=1,DisplayName=,DefaultEmail=,DefaultAddress=,BirthYear=,Category=,PagerNumberType=,[email protected],JobTitle=,HomeZipCode=, NickName=,LastModifiedDate=0,FaxNumberType=,BirthMonth=,LastName=Ghosh,HomePhone=+504-9907-1342,WorkCountry=USA,HomePhoneType=,PreferMailFormat=2,CellularNumber=512-282-2512,FamilyName=,[email protected],AnniversaryMonth=,HomeCity=Siguatepeque,WorkState=TX,HomeCountry=Honduras,PhoneticFirstName=,PhoneticLastName=,HomeState=Comayagua,WorkAddress=9309 HeatherwoodDr,WebPage1=http://www.mpcsol.com,WebPage2=http://www.jesuslovesthelittlechildren.org,HomeAddress2=VillaAlicia,WorkZipCode=78748,_AimScreenName=rentaprogrammer,AnniversaryYear=,WorkPhoneType=,Notes=Some notes go here.,WorkAddress2=Apartment 1,WorkPhone=512-282-2509,Custom3=Faith,Custom4=Timothy,Custom1=Hannah,Custom2=John,PagerNumber=512-282-2511,AnniversaryDay=,WorkCity=Austin,AllowRemoteContent=1,CellularNumberType=,FaxNumber=512-282-2510,PopularityIndex=0,FirstName=Sumit,SpouseName=,CardType=,Department=Programming,Company=MPC Solutions,HomeAddress=Two Blocks Past Oxen Team,BirthDay=,[email protected],RecordKey=2,DisplayName=Sumit,DefaultEmail=,DefaultAddress=,BirthYear=,Category=,PagerNumberType=,[email protected],JobTitle=Programmer,HomeZipCode=NA, NickName=,LastModifiedDate=0,FaxNumberType=,BirthMonth=,LastName=,HomePhone=,WorkCountry=,HomePhoneType=,PreferMailFormat=0,CellularNumber=,FamilyName=,[email protected],AnniversaryMonth=,HomeCity=,WorkState=,HomeCountry=,PhoneticFirstName=,PhoneticLastName=,HomeState=,WorkAddress=,WebPage1=,WebPage2=,HomeAddress2=,WorkZipCode=,_AimScreenName=,AnniversaryYear=,WorkPhoneType=,Notes=,WorkAddress2=,WorkPhone=,Custom3=,Custom4=,Custom1=,Custom2=,PagerNumber=,AnniversaryDay=,WorkCity=,AllowRemoteContent=0,CellularNumberType=,FaxNumber=,PopularityIndex=0,FirstName=,SpouseName=,CardType=,Department=,Company=,HomeAddress=,BirthDay=,SecondEmail=,RecordKey=3,DisplayName=,DefaultEmail=,DefaultAddress=,BirthYear=,Category=,PagerNumberType=,[email protected],JobTitle=,HomeZipCode=, I want to write it to a Mork file , using the Mork file format, can someone tell me how to decode the name value pair to this format given below. <(A9=3)(81=)([email protected])(80=0)(85=2)(86=4ac18267)(83=1) (87=Sumit)(88=Ghosh)(89=Sumit)([email protected])(8B [email protected])(8C=512-282-2509)(8D=+504-9907-1342)(8E=512-282-2510) (8F=512-282-2511)(90=512-282-2512)(91=Two Blocks Past Oxen Team)(92 =Villa Alicia)(93=Siguatepeque)(94=Comayagua)(95=NA)(96=Honduras) (97=9309 Heatherwood Dr)(98=Apartment 1)(99=Austin)(9A=TX)(9B=78748) (9C=USA)(9D=Programmer)(9E=Programming)(9F=MPC Solutions)(A0 =rentaprogrammer)(A1=http://www.mpcsol.com)(A2 =http://www.jesuslovesthelittlechildren.org)(A3=Hannah)(A4=John) (A5=Faith)(A6=Timothy)(A7=Some notes go here.)(A8 [email protected])> {1:^80 {(k^C0:c)(s=9)} [1:^82(^BF=3)] [1(^83=)(^84=)(^85=)(^86=)(^87=)(^88=)(^89^82)(^8A^82)(^8B=)(^8C=) (^8D=)(^8E=0)(^8F=2)(^90=0)(^91=)(^92=)(^93=)(^94=)(^95=)(^96=) (^97=)(^98=)(^99=)(^9A=)(^9B=)(^9C=)(^9D=)(^9E=)(^9F=)(^A0=)(^A1=) (^A2=)(^A3=)(^A4=)(^A5=)(^A6=)(^A7=)(^A8=)(^A9=)(^AA=)(^AB=)(^AC=) (^AD=)(^AE=)(^AF=)(^B0=)(^B1=)(^B2=)(^B3=)(^B4=)(^B5=)(^B6=)(^B7=) (^B8=)(^B9=)(^BA=)(^BB=)(^BC^86)(^BD=1)] [2(^83^87)(^84^88)(^85=)(^86=)(^87^89)(^88=)(^89^8A)(^8A^8A)(^8B^8B) (^8C=)(^8D=)(^8E=2)(^8F=0)(^90=1)(^91^8C)(^92^8D)(^93^8E)(^94^8F) (^95^90)(^96=)(^97=)(^98=)(^99=)(^9A=)(^9B^91)(^9C^92)(^9D^93)(^9E^94) (^9F=NA)(^A0^96)(^A1^97)(^A2^98)(^A3^99)(^A4=TX)(^A5^9B)(^A6^9C) (^A7^9D)(^A8^9E)(^A9^9F)(^AA^A0)(^AB=)(^AC=)(^AD=)(^AE=)(^AF=)(^B0=) (^B1=)(^B2^A1)(^B3^A2)(^B4=)(^B5=)(^B6=)(^B7^A3)(^B8^A4)(^B9^A5) (^BA^A6)(^BB^A7)(^BC=0)(^BD=2)] [3(^83=)(^84=)(^85=)(^86=)(^87=)(^88=)(^89^A8)(^8A^A8)(^8B=)(^8C=) (^8D=)(^8E=0)(^8F=0)(^90=0)(^91=)(^92=)(^93=)(^94=)(^95=)(^96=) (^97=)(^98=)(^99=)(^9A=)(^9B=)(^9C=)(^9D=)(^9E=)(^9F=)(^A0=)(^A1=) (^A2=)(^A3=)(^A4=)(^A5=)(^A6=)(^A7=)(^A8=)(^A9=)(^AA=)(^AB=)(^AC=) (^AD=)(^AE=)(^AF=)(^B0=)(^B1=)(^B2=)(^B3=)(^B4=)(^B5=)(^B6=)(^B7=) (^B8=)(^B9=)(^BA=)(^BB=)(^BC=0)(^BD=3)]}

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  • Format relative dates

    - by Jeffrey Aylesworth
    Is there a ruby gem that will format dates relative to the current time? I want output like "Tomorrow at 5pm", "Thursday next week at 5:15pm", I'm not too concerned about the exact output, just as long as it's relative dates in natural language

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