Programming :: JFileChooser : Setting The Default 'file Filter'
Sep 28, 2010
Code:
// create a filechooser;
JFileChooser chooser = new JFileChooser(cwd);
FileNameExtensionFilter filter = new FileNameExtensionFilter(
"sdf files (*.sdf)", "sdf");
[code]....
This will give 3 filefilters ('all files', 'sdf files' and 'xml files') for a fileopen dialog. Exactly as I want (in alphanumerical order), but XML is the default extension and I like SDF to be the default extension. Research has not revealed solutions; the setFileFilter method sets the primary filter. If I swap the sequence in the code, SDF becomes the default (as I want) but the sequence is wrong (All, XML, SDF).
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Dec 10, 2010
On both my 32-bit laptop (openSUSE 11.3) and my 64-bit desktop (openSUSE 11.2) I have been unable to find out how to prevent seeing all the "hidden files" when opening files in many applications, including (for example) GIMP, Xournal, OpenOffice, gedit.In the Control Centre "File management" options "Show hidden and backup files" is NOT checked in "File Management Preferences.
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Aug 30, 2010
i have file server 1 (filesvr01acess.log) and disc server 1 (discsvr01acess.log) in unix box(say ip adress of the box 10.39.66.81)
Similiarly i have file server 2 (filesvr01acess.log) and disc server 2(discsvr01acess.log) in unix box(say ip adress of the box 10.39.66.82). Now my requirement is write sheel script for ..
1. I need only last 24 hour data out of the file server 1 and file server 2 and then finaly put this data in one new file
2. Similiarly same need for discserver 1 and discserver 2.
FYI, each .log files mentioned above is nicely order as date and time as it is created. I can view through cat or search by using grep comand in unix I am wondering if we can achieve through grep command in unix
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Jun 26, 2011
I have a file server running a cronjob to reset file permissions on a regular basis. I was thinking, I wonder if there is a way to do the chmod and chown command in a single command, as I always have to do both on the same folder, the way that you can do "chown root:users Uploads" instead of having to do two separate commands for chown and chgrp.
Then I got to thinking, are these commands even necessary? Every file copied or moved into these folders by any user needs to be something like "chmod 750" and "chgrp root:users", so rather than running a cronjob to do these modifications at regular intervals, there ought to be a way to set the folder permissions so that any files contained within will have these permissions.
The problem arises because users create documents, then a supervisor with elevated privileges can move those documents into a shared folder, however the permissions are wrong, they are user1:user1 for the owner and group and the other users can't read the file until a cronjob changes the group to be users. This has actually been acceptable, but certainly there is a better way to do this.
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May 13, 2010
Is there a GUI that will allow me to set a default file manager for Xubuntu? I would like to use the Nautilus File manager. Right now I access Nautilus from a launcher I have on my Panel. I would like to have the ability to switch file managers, set defaults etc...
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May 21, 2010
I have had a search for this problem, but have not found a match: undoubtedly it is so straightforward that no-one has needed to ask it before: I have two accounts in Evolution, work and gmail. I would like my work email (which I check via IMAP) to be copied locally as it comes in so that I can file it properly, but also kept on the server so that I can access through my laptop.
I have set a message filter which does the following:
Code:
IF
status is not read
THEN
set status read
copy to folder Inbox
Stop processing
The filter works (if I apply manually then it goes) AND I have set the preferences to apply filters automatically, but no joy when a new email arrives.
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May 29, 2010
I have already had Vista installed on another drive and from what i've read on the webs you get to dualboot if you install ubuntu after vista. when i did install it (i installed on a blank hdd with no partitions, choosing the "erase entire disk" option since for some reason default option was attempting to eat a part of my windows 1 gb drive instead of using disk i specially made for it) and the grub 2 loaded for the first time, there was NO option to run vista. only 2 linux (normal and recovery) and 2 memtests. I've ran linux and went to google this. I found that i should add something to some config files in /etc/grub.d/From reading the readme file i understood i could add my own files that are named like NUMBER_SOMENAME and insert code into them. Because it said:Quote: For example, you can add an entry to boot another OS as01_otheros, 11_otheros, etc, depending on the position you want it to occupy inthe menu; and then adjust the default setting via /etc/default/grub. But then i found a file 40_custom that said:
Code:
#!/bin/sh
exec tail -n +3 $0
[code]....
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May 8, 2010
I have 3 files: main.c, mylib.h, mylib.c Now I want to put mylib.h into : /usr/include/mydir/mylib.h And I create a static library: libmylib.a, and put into the folder: /usr/lib/mydir/libmylib.a Then I compile: $ gcc -o main main.c Then I got linking error
Code:
main.c:(.text+0x3e): undefined reference to `extract_v1'
main.c:(.text+0x7b): undefined reference to `modify_v1'
collect2: ld returned 1 exit status
So I try with -l options: $ gcc -o main main.c -lmylib I still got error
Code:
/usr/bin/ld: cannot find -lmylib
collect2: ld returned 1 exit status
Any idea about this?
Also, I want to ask about: how to create my own header and library to put into /usr/include/mylib/ and /usr/lib/mylib/, so when I use function in my program, the compiler will automatically link to library. It's like when you #include <stdio.h>, and you compile: $ gcc -o program program.c, you don't need to specify any linking folder or library.
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Jul 19, 2010
I am trying to replace the default path in a file(which is a script)with the new path which I have get when the bash script runsThe code is
SCRIPT=$(readlink -f $0)
SCRIPTPATH=`dirname $SCRIPT`
sed -i "s/$HomeDir/$SCRIPTPATH/g" <filename>
[code]....
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Mar 27, 2010
I wanted to know how can I change the default place of shared object files of a program in a system. let me explain it better for you : I have an embedded computer with Linux OS that its file system is read only and I can not add any file to /usr /lib and ..... and I can just mount a SD memory card to it and copy all of my programs to it and run them from there as you understand I have two choices to choose, first make one big binary file for each program that I am doing it now and it is not a suitable solution and the second is finding the way to change default place of shared object file of my program.
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Dec 3, 2010
i have a sample that looks like this:
Code:
[schneidz@hyper temp]$ wget -q --output-document=- http://world.needforspeed.com/SpeedAPI/ws/game/nfs-w/leaderboards/events
[code]....
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Mar 8, 2010
How can I filter ASCII quotes( ' ) and double quotes ( " ) so that I can replace them with the UTF-8 equivalent?If I copy text from a Word Document(ASCII), and upload it to a web page with PHP. The Database(UTF-8) will replace these racters with incorrect character(s).I need some function that will replace these characters but I don't know how to differentiate the ASCII quotes and the UTF-8 Quotes without (somehow) converting the string to hex, then preg_replace'ing the hex code for the symbol.
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Jan 27, 2010
I'm a n00b to both numpy and python. I was wondering what the most intelligent way to write the trapezoid rule function was:
Code:
>>> import numpy as np
>>> a=np.array([1,2,3,4,5])
>>> def mytrapz(vec):
total=0
for i in xrange(0,len(vec)-1):
total+=(vec[i]+vec[i+1])/2.0
return total
>>> mytrapz(a)12.0 This is exactly what I would do in C and I'm sure the for loop is not the fastest way (as is the case for my interpreted langs). Yes, I know there is already numpy.mytrapz... I'm interested in the most efficient way to loop over arrays in such a way that each iteration accesses more than one cell.
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Apr 9, 2009
I am using Mailman to create a mailing list for my company. Our membership database is stored in a MS SQL 2000 server. I have figuired out how to write a batch script to export my email address into a text file.
The file is formatted as so:
Code:
Mailman sync_members scripts needs only email address. How can i use sed and/or awk to filter this file and leave me with just the addresses.
I need a file with each email address, 1 per line. Blank lines are ok.
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Apr 15, 2010
I've got two files. They both contain package names. Is there any way I can go through the package list on one file, and search to see if each package exists in the other file? What I'd want to do, is if the package name is found in the the main file, then go to the next line. If its not found then print that package name to another file.
I know you can use diff, but it doesn't seem to be that straight forward. As I understand it diff searches line by line, so if line one doesn't match line one in another file, then it prints it out. That's not exactly what I want.
I just really need an easy way to filter out the additional packages that exist on a new server. If I have a list of packages that aren't on the original server, then i can just delete them.
Not sure if I've made any sense but there must be a quicker way to do what i need to. It would take me ages to scan manually through the package names in each list, and highlight the ones i dont need.
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May 26, 2010
I'm trying to find all the files in a specified directory that do NOT end in .archived or .error and are older than 30 mins. Currently I have: Code: find /opt/edi/incoming -type f ! ( -name "*.archived" -name "*.error" ) -cmin 30 But I keep returning files that end in those extensions and I'm not sure if I'm using -cmin correcty? If there is a better way to do this (perl, etc) I'm open to options, this is for a nagios check.
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Feb 10, 2010
I'm building my first BASH programs and I have a hard time. I can't do a search in a folder and filter only script files without extension, the problem is to differentiate the script files from the others. I tried with ls I tried with find and i don't find a way to make it work.
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Apr 29, 2010
Looking for some help to fix 2 problems I have in my script. (I�m using bash on cygwin)I have the following source file ($7 does not have data):
Code:
HEADER_1,HEADER_2,HEADER_3,HEADER_4,HEADER_5,HEADER_6,HEADER_7
pattern2,pattern7/Sub data1/Sub data2,pattern8,pattern9,pattern2,pattern2,
pattern3,pattern6/Sub data1/Sub data2,pattern7,pattern3,pattern5,pattern1,
[code]....
In line 5 of the script, that is " {$2 !~ /pattern4|pattern5|pattern6/ }" oriented to delete lines containing pattern4, pattern5 and pattern6 from column 2 it seems not to be working. If I see the output, the line highlighted in red, is present and should not appear, because this line does not contain nor HEADER nor pattern1 nor pattern2.
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Feb 21, 2010
I am getting this error "Unknown filter "police", hence option "rate" is unparsable. This is in Linux Kernel 2.6 which is compiled with the "policing" option enabled in Qos (Kernel config). The error seems to be coming from the file tc.c in iproute2/
static int parse_nofopt(struct filter_util *qu, char *fhandle, int argc, char **argv, struct nlmsghdr *n) {
__u32 handle;
if (argc) {
fprintf(stderr, "Unknown filter "%s", hence option "%s" is unparsable
", qu->id, *argv);
return -1;
} if (fhandle) {
struct tcmsg *t = NLMSG_DATA(n);
if (get_u32(&handle, fhandle, 16)) {
fprintf(stderr, "Unparsable filter ID "%s"
", fhandle);
return -1; }
t->tcm_handle = handle; }
return 0; }
This is called from get_filter_kind() which is called from tc_filter_modify(), called from do_filter(), from do_cmd() from main()...all in tc.c. Is this a known "bug" in iproute2+2.6 as the 2.4 Kernel works with the same settings?
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May 30, 2010
I have the following command that I run on cygwin:
find /cygdrive/d/tmp/* -maxdepth 0 -mtime -150 -type d | xargs du --max-depth=0 > foldersizesreport.csv
I intended to do the following with this command: for each folder under /d/tmp/ that was modified in last 150 days, check its total size including files within it and report it to file foldersizesreport.csv however that is now not good enough for me, as it turns out inside each
/d/tmp/subfolder1/somefile.properties
/d/tmp/subfolder2/somefile.properties
/d/tmp/subfolder3/somefile.properties
/d/tmp/subfolder4/somefile.properties
so as you see inside each subfolderX there is a file named somefile.properties inside it there is a property SOMEPROPKEY=3808612800100 (among other properties) this is the time in millisecond, i need to change the command so that instead of -mtime -150 it will include in the whole calculation only subfolderX that has a file inside them somefile.properties where the SOMEPROPKEY=3808612800100 is the time in millisecond in future, if the value SOMEPROPKEY=23948948 is in past then dont at all include the folderin the foldersizesreport.csv because its not relevant to me.so the result report should be looking like:
/d/tmp/,subfolder1,<itssizein KB>
/d/tmp/,subfolder2,<itssizein KB>
and if subfolder3 had a SOMEPROPKEY=34243234 (time in ms in past) then it would not be in that csv file.so basically I'm looking for:
find /cygdrive/d/tmp/* -maxdepth 0 -mtime -150 -type d | <only subfolders that have in them property in file SOMEPROPKEY=28374874827 - time in ms in future and not in past | xargs du --max-depth=0 > foldersizesreport.csv
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Jan 20, 2010
I tried changing my Theme via MAC4LIN and it didnt work i get an error messege that shows:
cp: cannot stat `/etc/gdm/gdm.conf': No such file or directory
sed: can't read /etc/gdm/gdm.conf: No such file or directory
sed: can't read /etc/gdm/gdm.conf: No such file or directory
Previous to this i had tried installing KDM but it didnt appear to do anything (as in change any of the display management settings) The guide that i was reading to install MAC4LIN just uses GDM so i decided not to pursue KDM anymore. I Get the following read out:
[Jason@Echo ~]$ yum info gdm
Loaded plugins: presto, refresh-packagekit
Installed Packages
Name : gdm
Arch : i686
[Code].....
The goal is to set all my GDM settings back to normal so i can have that gdm.conf file. Anyone know a way to set the GDM back and repair any damage ive done?
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Feb 6, 2010
how to set xscreensaver as default I just enjoy xscreensaver, but I like to have it as default, when f12 start.
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Oct 21, 2009
Is it possible to set a default setting for the terminal? When I open one up it is very small and I press the ctrl++ several times to get it so that I can read it?
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Apr 2, 2011
I'm using emacs 23.2.1 with quack on Linux and trying to set my default typeface to Inconsolata Medium 13. It is installed on my system (debian sid) and can be set manually per buffer in emacs. However, I would like it to be used throughout and by default. My suspicion is that quack's mode is somehow conflicting.
I've searched a good deal looking for information on font customization in emacs. Although there is documentation and examples out there, I've found them fairly incoherent when taken together and nothing specifically addressing this issue. Here is my .emacs
set-default-font "Inconsolata-13")
Turn on visible-bell, get rid of beeps
setq visible-bell t)
Hilight the selected region
setq transient-mark-mode t)
[Code]...
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Feb 28, 2010
I'm using ubuntu and i need to know if it is possible to make a "prototype" account that sets the defaults for new users when a new account is made. How would i go about doing this. I would like to have the same start up programs, panel, themes, background, etc...
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Apr 13, 2010
I recently installed VLC Media Player and now wonder how I could make it my default media player in Ubuntu because every time I want to listen to a song, I have to right click and "Open With...VLC Media Player".
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May 29, 2010
[URL] my desktop accidently become like this: Screenshot-1.png i can't find the favourites, internet, system, etc to start the application...what should i do to return the desktop with default setting..
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Jun 28, 2010
I'm trying to configure GRUB to boot XP preferentially- my wife insists. Having looked up the GRUB manual I see that I can set this using the default command.
The problem is, when I go to my grub command line default is not a recognized command. If I hit TAB for a list of commands, it isn't there.
I think I'm using some 0.9x version of GRUB, since the partitions etc seem to be numbered starting at 0, not 1.
While I'm at it, I was just going to play around and figure this out, but: the menu interface lists five versions of Ubuntu (all those weird kernel variations) then XP. So would XP be default 1 or default 5?
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Jul 13, 2010
I'd like to set Vim as my default text editor (so it opens when I click a file). How can I do this?
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Oct 21, 2010
I have both Firefox and Chromium installed on my system. I have Firefox set as the default browser, but if, for example, I open GIMP go to Help --> About then click on "Visit the GIMP website" it opens in Chromium, not Firefox.On Maverick amd64, fresh install.
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