2007 Aug 21, 4:04Seeing
ErrorZilla I realized I could easily do a similar thing to the IE7 404 page using the same
technique I used for the
XML view and the
feed view.
So that's what I did: I made
a new 404 page for IE7. There's not much new here technically if you've read the previous blog
entries to which I linked. My 404 page change adds links to the
Internet Archive, the
Coral Cache, and
Whois Tool.
archive personal res cache resource ie7 technical browser whois 404 error extension 2007 Aug 15, 3:30I've been experimenting with adding video to my webpage. I tried to
embed video in my livejournal blog posts previously however ran into
some issues with that. When creating the LJ post I added an
tag but when I submit that tags
turned into an
2007 Aug 13, 3:35
|
|
I've been told that family members after reading my webpage which contains some technical related material would turn to my cousins webpage. So, in an effort to not drive away
readers I've...
|
Views: 328
3 ratings
|
|
Time: 00:08
|
More in Pets & Animals
|
video 2007 Aug 9, 5:41To satisfy my hands which have already learned to type *nix commands I like to install
Win32 versions of common GNU utilities. Unfortunately, the
which command is a rather literal port and requires you to enter the entire name of the command for which you're looking. That is '
which which' won't find itself but
'
which which.exe' will. This makes this almost useless for me so I thought to write my own as a batch file. I had learned about a few goodies available in cmd.exe that I thought would
make this an easy task. It turned out to be more difficult than I thought.
for /F "usebackq tokens=*" %%a in ( `"echo %PATH:;=& echo %"` ) do (
for /F "usebackq tokens=*" %%b in ( `"echo %PATHEXT:;=& echo %"` ) do (
if exist "%%a"\%1%%b (
for %%c in ( "%%a"\%1%%b ) do (
echo %%~fc
)
)
)
)
The environment variables
PATH and
PATHEXT hold the list of paths to search through to find commands, and the extensions of files that should be run as
commands respectively. The '
for /F "usebackq tokens=*" %%a in (...) do (...)' runs the '
do' portion with
%%a sequentially taking on the value of every line in
the '
in' portion. That's nice, but
PATH and
PATHEXT don't have their elements on different lines and I don't know of a way to escape a newline character to
appear in a batch file. In order to get the
PATH and
PATHEXT's elements onto different lines I used the
%ENV:a=b% syntax which replaces occurrences of a with b
in the value of ENV. I replaced the '
;' delimiter with the text '
& echo ' which means
%PATHEXT:;=& echo% evaluates to something like "
echo
.COM& echo .EXE& echo .BAT& ...". I have to put the whole expression in double quotes in order to escape the '&' for appearing in the batch file. The
usebackq and
the backwards quotes means that the backquoted string should be replaced with the output of the execution of its content. So in that fashion I'm able to get each element of the env. variable onto new
lines. The rest is pretty straight forward.
Also, it supports wildcards:
C:\Users\davris>which.cmd *hi*
C:\Windows\System32\GRAPHICS.COM
C:\Windows\System32\SearchIndexer.exe
D:\bin\which.exe
D:\bin\which.cmd
which cmd technical batch for 2007 Aug 7, 1:33A review from ArsTechnica of a backup storage device named Drobo.
article review purchase backup storage hardware 2007 Aug 6, 5:40I was messing with the
XSLT to XSL Converter source which is a
javascript file that can be run with cscript.exe. I've changed it to be like a very basic version of
xsltproc that simply runs an XML file through
an XSLT. I also wanted to run this from the command prompt without writing "cscript ..." everytime. I decided to make like perl programmers I've seen and make a JS file that works as a batch file and
a JS file at the same time.
Here's a basic version of what I ended doing applied to a 'hello world' script named helloworld.cmd:
/* 2> NUL
@echo off
cscript /e:javascript /nologo "%~f0" %*
@goto :eof
Hello World
Says 'Hello world.' when you run it.
*/
var outText = 'Hello world.';
WScript.Echo(outText);
Running this on a command prompt gives the following:
C:\Users\davris>helloworld
C:\Users\davris>/* 2>NUL
Hello world.
However, after a little more experimentation I found this was slightly overkill for my purposes since if I rename the file to helloworld.js and just type its name like a command it is
run by cscript:
C:\Users\davris>helloworld
Microsoft (R) Windows Script Host Version 5.7
Copyright (C) Microsoft Corporation. All rights reserved.
Hello world.
So this time I didn't need all that but if ever in the future I need to run a batch file then a JS file I can do it with one file...
cmd js technical cscript batch xslt xsl javascript 2007 Aug 6, 4:07I've moved from my previous apartment in Redmond into Sarah's condo in Kirkland. Over the past week I'd been coming home from work and packing and sorting all of my belongings. Everything had a few
destination options:
- Sarah's condo
- Storage
- My office
- Recycle/Donate
I donated two carts of computer related junk (two CRTs, two desktops, six laptops, untold number of cables, piles of network and sound cards, etc) to
RE-PC and
six garbage bags of clothing that I either never wear or into which I have worn holes into friendly looking clothing donation bins. Of course I still need to find some place to get rid of my 15 inch
CRT TV, VCR, DVD player, and X-Box. I finally emptied my bags of coins that had been collecting for about seven years (one of the bags was from my college orientation) through Coinstar and got ~$160.
Some items seemed to fit very well at work like my
satirical RIAA propaganda poster and my
Darth Vader Nutcracker. This past weekend I had movers come and actually move my furniture. Most of its now in storage except for
my living room which is moved into Sarah's second bedroom. Now all I have to do is unpack...
move personal repc recycle nontechnical 2007 Aug 6, 3:43Miladin told me about the Visual Studio compiler's promising option
Wp64 that finds 64bit portability issues when compiling
in 32bit. If, for instance, you cast from a
(long*) to a
(long) you get a W4 warning. However, the #defines are still set for 32bit builds. This means that other parts of
the code can make assumptions based on the #defines that are valid on 32bit but generate 64bit errors or warnings.
For instance, in winuser.h the public published Windows header file there's the following:
...
#ifdef _WIN64
...
WINUSERAPI
LONG_PTR
WINAPI
SetWindowLongPtrA(
__in HWND hWnd,
__in int nIndex,
__in LONG_PTR dwNewLong);
...
#else /* _WIN64 */
...
#define SetWindowLongPtrA SetWindowLongA
...
#endif /* _WIN64 */
...
In 64bit everything's normal but in 32bit SetWindowLongPtrA is #defined to SetWindowLongA which takes a LONG rather than a LONG_PTR. So take the following code snippet:
...
LONG_PTR inputValue = 0;
LONG_PTR error = SetWindowLongPtrA(hWnd, nIndex, inputValue);
...
This looks fine but generates warnings with the Wp64 flag.
In 64 bit, p is cast to (LONG_PTR) and that's great because we're actually calling SetWindowLongPtrA which takes a LONG_PTR. In 32 bit, p is cast to (LONG_PTR) which is then implicitly cast to (LONG)
because we're actually calling SetWindowLongA. LONG and LONG_PTR are the same size in 32bit which is fine but if you turn on the Wp64 flag there's a W4 warning because of the implicit cast from a
larger size to a smaller size if you were to compile for 64bit. So even though doing a 32bit or 64bit compile would have worked just fine, if you turn on the Wp64 flag for 32bit you'd get an error
here.
It looks like I'm the most recent in a
list of people to notice this issue. Well I
investigated this so... I'm blogging about it too!
wp64 technical 64bit compiler c++ visual-studio setwindowlongptra 2007 Jul 15, 5:08This previous weekend Sarah and I went to Canada for my friends Palak and Meghal's wedding. Our five day stay took us on
the route from Toronto, to Burlington (for the wedding), and then Niagra.
In Toronto we visited the
CN Tower, the
ROM, and the
Bata Shoe Museum. We generally acted like tourists walking around taking photos of things, putting on sun block, and not saying 'eh'. But we could have been worse
like the drunk American college students in front of us in line for the CN Tower asking the guide if the CN Tower is taller than the Stratosphere in Las Vegas. We stumbled upon the
Toronto Outdoor Art Exhibit which was really interesting. Sarah in particular recalls the cute stuffed animal
monsters.
After Toronto we drove to Burlington where Palak and Meghal's wedding would take place. We got up early and made it on time to the wedding which was
lovely. I hadn't attended an Indian wedding previously so it was a new experience for me. During the ceremony the child in front of me kept peeking over her parent's shoulder and staring at me. It
lasted all day with a break after lunch during which we drove around and experienced small town Ontario. After the break cousins performed dances for Palak and Meghal and then we all danced the night
away until the wee hours.
In Niagra we stayed in a hotel room with a falls view which was lovely. We went on the
Maid of the Mist tour that takes tourists
right up to the falls in a boat and drenches them. We also went on the
Behind the Falls tour which was not as fun. In both we are
given rain coats which are essentially glorified plstic trash bags. For dinner we ate in the hotel restaurant which had a lovely view of the falls. At night the falls are lit up in various colors
with gigantic lights.
niagra wedding personal toronto nontechnical 2007 Jul 14, 3:12
I've been at Microsoft three years as of last Thursday. It makes me feel old but on the bright side I've upgraded offices. I now
have an office with a window. Its actually a coincidence that I got this office at the time of my Microsoft anniversary but I like to pretend. I've had a single office for only four or five months
now so its a nice surprise that I'm moving into a single window office so soon.
Of course this move means I'll be leaving some things behind. For instance the hanging dry erase pen holder that I created out
of office supplies I will leave attached to my old white board. My new office has fancy whiteboards with trays built-in (sooo fancy) so I know the person coming into my old office will make better
use of my hanging dry erase pen holder then I would. I explained to him that the rubber bands need to be replaced every eight months or so and not to exceed the maximum weight restrictions.
Additionally, the office art masterpiece I created I will also leave behind. When Bill Gates was featured on the cover of
Diversity Inc. for his amazing
philanthropic acts many of us got copies in our mailboxes. I
collected mine and some from the recycling bins and put up five of the covers on the wall. Eventually others added to it which was my intent, but I only started this when I eventually checked my
mailbox a week or so after the magazine arrived so there weren't as many covers left with which to work. At any rate I ended up with eleven on the wall. I'll leave the interpretation of the artwork
up to the viewer.
microsoft personal office nontechnical 2007 Jul 13, 8:30I bought an external backup drive a few weekends ago. I've previously setup a
Subversion repository so I decided to move everything into the repository and
then back it up. So in went the contents of all of my %USERPROFILE% and ~ directories with a bit of sorting and pruning. Not too much though given its much easier to dump in everything and search for
what I want then to take the time to examine and grade each file. What follows are the notes I took while setting this up. It takes me a bit of time to look up the help on each command so I figure
I'll write it all down here for the benefit of myself and potentially others...
Setting Up the Backup Drive For Linux
I first changed the filesystem on the drive to ext3. I plugged it into my USB2.0 port and ran fdisk:
sudo fdisk /dev/sda
Useful commands I used to do this follow mostly in order:
-
m
-
help
-
p
-
print current partitions
-
d
-
delete current partition
-
n
-
create new partition (I used the defaults)
-
w
-
write changes and exit
Then I formatted for ext3.
sudo mkfs.ext3 /dev/sda1
I made it easy to mount:
sudo vim /etc/fstab
# added line to end:
/dev/sda1 /media/backup ext3 rw,user,noauto 0 0
I setup the directory structure on the disk
mount /media/backup
sudo mkdir /media/backup/users
sudo mkdir /media/backup/users/dave
sudo chown dave:dave /media/backup/users/dave
After all that its easy to make a copy of the Subversion repository:
mount /media/backup
cp -Rv /home/dave/svn /media/backup/users/dave/
umount /media/backup
Next on the agenda is to add a cron job to do this regularly.
Subversion Command Reference
On a machine that has local access to the Subversion repository you can check out a specific subdirectory as follows using the file scheme:
svn co file:///home/dave/svn/trunk/web/dave%40deletethis.net/public_html
Note also that although one of my directories is named 'dave@deletethis.net' Subversion requires the '@' to be percent-encoded.
Other useful subversion commands:
-
svn help
-
help
-
svn list file:///home/dave/svn/
-
list all files in root dir of svn depot
-
svn list -R file:///home/dave/svn/
-
list all files in svn depot
-
svn list -R file:///home/dave/svn/ | grep \/$
-
list all directories
-
svn status
-
List status of all files in the working copy directory as in - modified, not in repository, etc
-
svn update
-
Brings the working copy up to date wrt the repository
-
svn commit
-
Commit changes from the working copy to the repository
-
svn add / move / delete
-
Perform the specified action -- occurs immediately
Setting up Windows Client for Auto Auth into SVN
When using an SVN client on Windows via svn+ssh its useful to have the Windows automatically generate connections to the SVN server. I use
putty on my Windows machines so I read the directions on
using public keys with putty.
putty.exe dave@deletethis.net
cd .ssh
vim authorized_keys # leave the putty window open for now
puttygen.exe
Click the 'generate' button
Move the mouse around until finished
Copy text in 'Public key for pasting into OpenSSH authorized_keys file:' to putty window & save & close putty window
Enter Key passphrase & Comment in puttygen
Save the private key somewhere private
pageant.exe
'Add Key' the private key just saved.
Checking out using Tortoise SVN
On one of my Windows machines I've already installed Tortoise SVN. Checking out from my SVN repository was really easy. I just right clicked in Explorer in a directory and selected "SVN Checkout...".
Then in the following dialog I entered the svn URI:
svn+ssh://dave@deletethis.net/home/dave/svn/trunk/web/dave%40deletethis.net/public_html/
Note again that the '@' that is part of the directory name is percent-encoded as '%40' while the '@' in the userinfo is not.
Windows Command Line Check Out
On my media center I didn't want to install Tortoise SVN so rather I used the
command line tool. I setup pageant like before the only
difficulty was getting the SVN command line tool to use putty. With the default configuration you can use the SVN_SSH environment variable to point at a compliant SSH command line tool. The trick is
that its interpreted as a backslash escaped string. So I set mine thusly:
set SVN_SSH=C:\\users\\dave\\bin\\putty\\plink.exe
The escaping solved the vague error I received about not being able to create the tunnel.
backup technical personal windows svn linux subversion 2007 Jul 11, 3:52I realized that I have short list of chicken related things I find humorous and they're all available for the linking to via youtube.
Chicken: The Powerpoint Presentation. This is a power point presentation of a research paper written in the
language chicken. (
video)
Bluth Family Chicken Dances. From the show Arrested Development many Bluth family members had their own chicken
dance. (
video)
Peter Fights the Giant Chicken. A man sized chicken fights Peter from Family Guy for multiple
minutes in several episodes mimicking famous action sequences. I must admire the writers dedication to the gag. (
video1,
video2)
roundup video personal chicken humor nontechnical 2007 Jul 4, 10:58Hackdiary
I really enjoy reading Matt Biddulph's blog
hackdiary. An entry some time ago talked about his
Second
Life flickr screen which is a screen in Second Life that displays images from flickr.com based on viewers suggested tags. I'm a novice to the Second Life scripting API and so it was from this
blog post I became aware of the
llHTTPRequest. This is like the XMLHttpRequest for Second Life code in that it lets you make HTTP requests.
I decided that I too could do something cool with this.
Translator
I decided to make a translator object that a Second Life user would wear that would translate anything said near them. The details aren't too surprising: The translator object keeps an owner
modifiable list of translation instructions each consisting of who to listen to, the language they speak, who to tell the translation to, and into what language to translate. When the translator
hears someone, it runs through its list of translation instructions and when it finds a match for the speaker uses the llHTTPRequest to send off what was said to
Google translate. When the result comes back the translator simply says the response.
Issues
Unfortunately, the llHTTPRequest limits the response size to 2K and no translation site I can find has the translated text in the first 2K. There's a flag HTTP_BODY_MAXLENGTH provided but it defaults
to 2K and you can't change its value. So I decided to setup a PHP script on my site to act as a translating proxy and parse the translated text out of the HTML response from Google translate. Through
experimentation I found that their site can take parameters text and langpair queries in the query like so:
http://translate.google.com/translate_t?text=car%20moi%20m%C3%AAme%20j%27en%20rit&langpair=fr|en. On the topic of non US-ASCII characters (which is important for a translator) I
found that llHTTPRequest encodes non US-ASCII characters as percent-encoded UTF-8 when constructing the request URI. However, when Google translate takes parameters off the URI it only seems to
interpret it as percent-encoded UTF-8 when the user-agent is IE's. So after changing my
PHP script to use IE7's user-agent non
US-ASCII character input worked.
In Use
Actually using it in practice is rather difficult. Between typos, slang, abbreviations, and the current state of the free online translators its very difficult to carry on a conversation.
Additionally, I don't really like talking to random people on Second Life anyway. So... not too useful.
personal translate second-life technical translator sl code google php llhttprequest 2007 Jun 25, 3:13I keep seeing 'Ozzie' on emails and such now due mainly to
Ray Ozzie who is now the Chief Software Architect at Microsoft and his brother
Jack Ozzie. Whenever I see his name I think of
Ozzie from Chrono
Trigger. He was one third of a trio of villains, the other two being Flea and Slash. I feel like I should be thinking of the
Ozzy for
which this Ozzie was named but I really don't.
My next thought on Ozzie is
the Scottish guy who went to my high school. He'd shout
'Ozzie! Ozzie! Ozzie!' to which listeners were compelled to respond 'Oi! Oi! Oi!'. The wikipedia article on the chant has some thoughts on the
origins but I suppose at Microsoft it could take on entirely new meaning. I really hope I'm someday in a meeting with Ray or Jack Ozzie and have the opportunity...
ozzy personal ozzie random nontechnical 2007 Jun 21, 2:38Unspun is a social list creation website from Amazon. For instance, you could create a list named '
Most Desired Features for Next Version of Internet Explorer' and users of Unspun fill in and
rank the answers. There's a mix of serious answers that are excellent suggestions, fan-boy answers that are lame, uninformed answers that are already implemented, and hilarious answers that are
awesome. The following is the very short unsorted list of the awesome suggestions.
-
Innovative Anti-Phreaking Technology
-
Given the work done in IE7 on anti-phishing, subsequent work on anti-phreaking just makes sense.
-
AXELROD 2.8 Acceleration with XML Bindings
-
I'm not sure what AXELROD 2.8 is but accelerating it sounds good. Also I enjoy binding things to XML so...
-
Larger Buttons for My Mighty Fingers
-
For maximum humor this should be read by Richard Horvitz as Zim of Invader Zim. This
one makes me laugh every time I read it.
amazon personal ie humor nontechnical 2007 Jun 17, 11:59I expected more from Safari -- more like Opera. There weren't many exciting features to convert me.
apple article safari internet browser arstechnica review 2007 Jun 11, 4:20
My manager has come back this week from a 10 week vacation and paternity leave. In response and similar to
other office hacks some dedicated coworkers and I decided to do something to my manager's office.
While gone we knew my manager, Venkat, was getting into meditation. My coworker Vishu had the excellent idea of easing Venkat back into work by making his office
better suited for meditation. To start with, we updated his nameplate with an
Om.
Next we emptied his office of anything that could distract him from meditation and replaced it with a yoga mat. Of course I left a copy of the specification
for the remodel in his office.
microsoft personal office humor nontechnical 2007 Jun 11, 3:36This past weekend I was invited to two BBQs. Consequently, the weather took a break from the heat to drizzle.
The first was a lunch BBQ in celebration of Sarah's mom getting her Masters degree. Sarah and I went to her sister's house on the East-side where we had traditional foods you might associate with a
BBQ including some enjoyable sausage. There was a bit of Wii to be had and Sarah's mom killed at bowling. Sarah seemed a bit dismayed at this. I guess Sarah didn't expect it since she's had more
experience compared to her mom who was playing for the first time.
For dinner we drove over to Seattle to have a BBQ at Jeannie's house. Jeannie's family and my family became friends through our church when I was born and Jeannie even babysat me. The second bit
about the babysitting is how Jeannie would introduce me at the BBQ. I met her boyfriend who seems like a cool guy. He works for Microsoft as a consultant and has traveled to various countries for his
job. Guests had been instructed to bring side dishes and so there was quite a spread which was eclectic as well. We brought red potatoes, humus, and pita bread. As it turns out, one of the other
guests had produced humus in bulk as a supplier and apparently had a grudge against the big humus chains. We played it cool and she didn't say anything so we can only assume she didn't know it was
us. Jeannie was a great hostess and I had a fun time.
bbq washington personal nontechnical 2007 Jun 7, 5:29The other day I had the best idea for my Wii remote. Clearly I should use it to control the rotation of Tetris pieces in my
N-dimensional
Tetris game Polytope Tetris. One of the
issues I described with Polytope Tetris is user input. Given a Wii remote the
user could rotate a piece through 3 dimensions in a manner that's much easier to adjust to than particular keys on the keyboard.
Anyway, I did a little
research into how this might work. I knew that the Wii remote used infrared for absolute positioning and
Bluetooth for everything else (LEDs, speaker, accels.) I bought a
Bluetooth adapter for my PC after realizing that none of my
computers had one already. I used
GlovePIE to ensure that my Wii remote could connect and successfully communicate with my computer.
GlovePIE is actually pretty cool -- it provides a simple script layer over the Wii remote to control things like your mouse.
Since Polytope Tetris is in Java I looked for and found a
Java library for operating with the Wii remote and a long
forum thread discussing its use. I then read up on
Bluetooth in Java. Apparently JSR 82 is the name of the standard that describes the API a Bluetooth stack should expose
in Java. That is, to get Bluetooth working in Java one needs an additional package for Java that actually implements the Bluetooth Java API. This package would depend on the system so I suppose I
can't fault Sun for not including it... Where to find such a package? I found a
comparison list of implementations and tried the ones
that support javax.bluetooth.
None of them worked for me because none can address USB devices it seems or they cost money and I couldn't get the trial version working. I also tried
bluesock (not listed on the previous list) which seemed promising and could produce an address for my Wii remote as a connected device but couldn't use
that address.
And I thought that after I found the Wii remote Java library it would be easy... Oh well...
java bluetooth wii technical remote jsr82 tetris polytopetetris wiimote
Some rights reserved