Displaying 20 results from an estimated 4000 matches similar to: "Tk force refresh"
2001 Feb 03
1
tk non-widget commands (esp. update and winfo)
Hi,
I've been playing with the tcltk package. It's very nice to have
access to buttons, menus etc. now. Thank you!
Alas, I also have questions: In Tcl everything is a string [*]. This
is not the case in R, of course. So why are return values of tk
commands still strings? (Is there any other reason than speed or
"package is work in progress"?)
Example:
> tt <-
2003 Nov 14
2
writeChar potential buffer overrun (PR#5090)
Trying to copy the (binary) header of a input file directly
to an output file, I've had repeatable seg faults. The call:
writeChar(hdr, outfh, nchars=6144)
when hdr just contains one empty string seems to be the
culprit. The stack traces weren't all that illuminating,
with sig 11 in memory-related functions following this. But
in src/main/connections.c it looks like do_writechar
2004 Apr 23
4
Tcl Tk table
Hi
I've a problem with the following example:
library(tcltk)
.Tcl("array unset tclArray")
myRarray <- matrix(1:1000, ncol=20)
for (i in (0:49))
for (j in (0:19))
.Tcl(paste("set tclArray(",i,",",j,") ",myRarray[i+1,j+1],sep=""))
tt<-tktoplevel()
table1 <- tkwidget(tt,"table",variable="tclArray",
2004 Feb 27
1
Regular expressions & large strings (PR#6617)
A possible regex bug when working with large strings. The
following code snippet
t5 <- paste( c( "# === TEST", rep(' ', 2452294) ), collapse='')
str( sub("^.*TEST", "xyz", t5) )
str( sub("^.*TEST", "xyz", substr(t5,0,200)) )
doesn't behave right; on one machine, the second and third
lines print different results [the
2005 Apr 23
1
tclServiceMode: stop Tcl/Tk from updating
In Windows, Tcl/Tk programs running under the tcltk package can update
too frequently: for exmaple, we might go through a long sequence of
operations to construct a complex display, and in Windows each addition
will be shown separately.
To work around this, I've added a function "tclServiceMode" which serves
as an R interface to the "Tcl_SetServiceMode" function in the
2004 Feb 28
1
Line splitting in system() (PR#6624)
According to the manual, system() splits output lines into
8096-char chunks; under UNIX, actually seems to return 8094
chars, and drop the 8095th. Spot missing digits in:
x2 <-
system("perl -e 'print \"0123456789\"x10000'",
intern=T)
Looks like a bug in the code to remove newlines at
src/unix/sys-unix.c:218 -- fgets() reads size-1 characters
and adds
2006 May 22
1
rerender tcltk toplevel
Hi everybody,
I am trying to write a simple progress display based on a tcltk
toplevel. My first approach was to use the progressBar widget from the
BWidget library but since this is not available on every system (missing
on at least almost all windows systems, I guess...) I wanted to have a
backup there. So my second strategy was to use a simple toplevel with a
label and update the tclvariable
2004 May 10
1
question about possibility with R - Tcl/tk library
Hi , i am using the R(1.8.1) tcl/tk library in order to build a graphical
user interface to mathematic function and i would like to know if it is
possible to retrieve the value of a tkentry to make a R vector
for exemple with an entry containing "1,2,3,4,5" i want to make a vector
which contains 1 2 3 4 5
i tried as.vector , as.list and even to write the object to a file with
2002 Mar 14
1
gif, jpeg and png image files reader AND tcltk image
Hi all,
Roger Peng and Jason Turner's suggestion with ImageMagick seem to be the
simplest "dirty" way
to get the problem solved.
But I ran into yet another interesting but quite round-about way to solve
the problem (partially). Through tcltk package, one can read in the gif
image with
> x <- tkcmd("image", "create", "photo", file=mypic.gif)
2003 Jul 29
1
Tktable active cell
Thomas Sudler <TSudler at ch.imshealth.com> wrote:
> I want to start an action when i click into a cell. Example:
When I click
> into a cell, a message box should open with the information of
the
> location of the cell where I clicked in. <SNIP> So I only
> need to know how to get the possition of the active cell.
Thomas,
Getting the active cell is easy, just use :
2015 Feb 16
4
libvirt
Seems libvirt are broken in centos7?
I can start it but
Virsh list for example:
Connection refused
Kvm are installed
And the kvm driver installed
2009 Nov 19
6
Surprising length() of POSIXlt vector (PR#14073)
Arrays of POSIXlt dates always return a length of 9. This
is correct (they're really lists of vectors of seconds,
hours, and so forth), but other methods disguise them as
flat vectors, giving superficially surprising behaviour:
strings <- paste('2009-1-', 1:31, sep='')
dates <- strptime(strings, format="%Y-%m-%d")
print(dates)
# [1]
2009 Jun 12
8
Dtc-xen
I have played around with dtc-xen
Only one thing
In the user registration form
How to add vps locations
I not find something in admin interface
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2009 Apr 28
1
[macosx] improving quartz & Aqua Tk behaviour outside of RGui
Hello,
On Mac OS X, certain Aqua/Quartz UI functionality requires an
application to be launched from within an app bundle, or
(alternatively) requires a Carbon application with a resource fork.
Playing with the wxWidgets distribution, I discovered that it is quite
easy and transparent to make such a Carbon app from (I guess) any
command line application. When applied to the R executable called
2009 Apr 28
1
[macosx] improving quartz & Aqua Tk behaviour outside of RGui
Hello,
On Mac OS X, certain Aqua/Quartz UI functionality requires an
application to be launched from within an app bundle, or
(alternatively) requires a Carbon application with a resource fork.
Playing with the wxWidgets distribution, I discovered that it is quite
easy and transparent to make such a Carbon app from (I guess) any
command line application. When applied to the R executable called
2004 Aug 05
1
tcltk: repeat event while button is down?
Is there a way in TCL/TK to trigger an event multiple times while a
button is held down? I'd like to have an rgl scene continuously
rotate until the button is released.
Duncan Murdoch
2024 May 02
1
Group Membership Retrieval not using kerberos authentication
Hello,
I have an Active Directory domain to which a Linux machine with Ubuntu 20.04 LTS is joined using Winbind. The version of Winbind is 4.15.13.
On this machine, users authenticate via SSH using PAM (pam_winbind), and I need to know their group membership.
NSS is configured for this purpose.
When users authenticate via username and password, there's no issue retrieving the list of groups
2024 May 02
1
Group Membership Retrieval not using kerberos authentication
Op 02-05-2024 om 10:39 schreef Oscar Alonso | MailTecK via samba:
> Hello,
>
> I have an Active Directory domain to which a Linux machine with Ubuntu 20.04 LTS is joined using Winbind. The version of Winbind is 4.15.13.
> On this machine, users authenticate via SSH using PAM (pam_winbind), and I need to know their group membership.
> NSS is configured for this purpose.
> When
2013 Jun 24
2
qemu images
On Jun 24, 2013 3:28 PM, "H. Peter Anvin" <hpa at zytor.com> wrote:
>
> Not unless you explicitly force the OS to include a driver.
http://www.syslinux.org/wiki/index.php/MEMDISK#-_Drivers_that_detect_the_MEMDISK_mapped_floppy.2Fdisk.2FISO_image
> mattias <mj at mjw.se> wrote:
>
> >ah i meen that
> >so i can boot e.g windows xp?
> >let's
2011 Mar 19
5
Dvd iso?
Exist none or only livecd?
mail mj at mjw.se
telefon 0104906298
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