formatting

问题 I'm struggling with my first foray into WPF string formatting. I'd like to be able to format a textbox column in a data grid with an empty string when the underlying value is zero and format all other values as 0.000. However, my XAML doesn't seem to be up to the job as it shows blanks for all values and not just for zeros: <DataGridTextColumn Header="dL" Binding="{Binding Path=Value.DLHistoric, StringFormat='{}{0.000;; }'" Width="Auto" /> I am using the semicolon operator as described here

问题 I have vector of strings and want to create a fixed with string out of that. Shorter strings should be filled up with white spaces. E.g.: c("fjdlksa01dada","rau","sjklf") sprintf("%8s") # returns [1] "fjdlksa01dada" " rau" " sjklf" But how can I get the additional whitespace at the END of the string? Note that I heard of write.fwf from the gdata package which is really nice but doesn't help much in this case, because I need to write a very specific non-standard format for an outdated old

问题 I've got an ASP.NET RadioButtonList that displays four items using RepeatDirection="Horizontal" to display them on a single line. I'm using RepeatLayout="Flow" to avoid the markup for a table. However, this causes the items in the list to be placed right next to each other, which does not look good. So, I tried the table layout to take advantage of the CellSpacing and/or CellPadding properties. Unfortunately, these properties affect both the vertical and horizontal spacing/padding within the

问题 I have a date like this Monday, January 9, 2010 I now want to convert it to 1/9/2010 mm/dd/yyyy I tried to do this var startDate = "Monday, January 9, 2010"; var convertedStartDate = new Date(startDate); var month = convertedStartDate.getMonth() + 1 var day = convertedStartDate.getDay(); var year = convertedStartDate.getFullYear(); var shortStartDate = month + "/" + day + "/" + year; However it must be thinking the date is in a different format since day returns 1 instead of 9. 回答1: The

问题 After formatting my hdfs, I get the following errors: 2015-05-28 21:41:57,544 WARN org.apache.hadoop.hdfs.server.common.Storage: java.io.IOException: Incompatible clusterIDs in /usr/local/hadoop/dfs/datanode: namenode clusterID = CID-e77ee39a-ab4a-4de1-b1a4-9d4da78b83e8; datanode clusterID = CID-6c250e90-658c-4363-9346-972330ff8bf9 2015-05-28 21:41:57,545 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid unassigned)

问题 I'm working on a Perl program at work and stuck on (what I think is) a trivial problem. I simply need to build a string in the format '06/13/2012' (always 10 characters, so 0's for numbers less than 10). Here's what I have so far: use Time::localtime; $tm=localtime; my ($day,$month,$year)=($tm->mday,$tm->month,$tm->year); 回答1: You can do it fast, only using one POSIX function. If you have bunch of tasks with dates, see the module DateTime. use POSIX qw(strftime); my $date = strftime "%m/%d/%Y

问题 I have noticed the results of list-directed output write(*,*) in Fortran is compiler dependent. Indeed, with the code: program one real(8), dimension(5):: r1 do i=1,5 r1(i)=sqrt(i*10.0) end do write(*,*) (r1(i), i =1,5) end program one intel compiler ifort gives standard output broken by a newline: 3.16227769851685 4.47213602066040 5.47722530364990 6.32455539703369 7.07106781005859 while gfortran gives the equivalent one line result: 3.1622776601683795 4.4721359549995796 5.4772255750516612 6

问题 I'm getting unexpected results when executing two PowerShell commands separated by a semicolon. The output of the second command changes. If I run them in reverse order, I don't see the second command output. Here I'm simply trying to get a time stamp and a list of groups a user belongs to in AD, as a one-liner. If I run this line, i get the following output: Get-ADPrincipalGroupMembership username | Select-Object name name ---- Domain Users CL-Inventory-Group ... However if I run the

问题 string binary = Convert.ToString(15, 2); Console.WriteLine("{0}", binary); Prints: 1111 I want it to print 00001000 Because the data type is of string and not integer I cannot do something like this: Console.WriteLine("{0:00000000}", binary); 回答1: Console.WriteLine( binary.PadLeft(8, '0')); 回答2: You can try this one: Convert.ToString(15, 2).PadLeft(8, '0'); It should give you 00001111 来源： https://stackoverflow.com/questions/7682628/how-to-pad-a-binary-string-with-zeros

问题 I have ASP.NET MVC3 installed. I need datepicker with formatted date. I tried this, but it's not working (when passing "{0:dd/MM/yyyy}" as format parameter, it still does not format): private static MvcHtmlString FormattedDateTextBoxFor<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression, string format, RouteValueDictionary htmlAttributes) { var metadata = ModelMetadata.FromLambdaExpression(expression, htmlHelper.ViewData); if (metadata.Model