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• TextMate GetBundle stopped working in Snow Leopard

  - by Jauder Ho

  It seems that I am no longer able to Get Bundles using TextMate after upgrading to Snow Leopard. I get the following error message. Googling shows no solutions. I have updated to the latest GetBundle via svn to no avail. /Applications/TextMate.app/Contents/SharedSupport/Support/lib/osx/plist.bundle: dlopen(/Applications/TextMate.app/Contents/SharedSupport/Support/lib/osx/plist.bundle, 9): no suitable image found. Did find: (LoadError) /Applications/TextMate.app/Contents/SharedSupport/Support/lib/osx/plist.bundle: no matching architecture in universal wrapper - /Applications/TextMate.app/Contents/SharedSupport/Support/lib/osx/plist.bundle from /Users/jauderho/Library/Application Support/TextMate/Bundles/GetBundles.tmbundle/Support/getBundles.rb:4

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• How to compile a gvim from source using the latest version

  - by Kit Ho

  I'm using Ubuntu. I performed the following commands in the vim source folder: sudo apt-get build-dep vim ./configure --with-features=huge --enable-gui=gtk2 --enable-rubyinterp=yes --enable-pythoninterp=yes make sudo make install I have found that related posts but fail in Ubuntu 13.04 Update: sorry for not providing enough error msg here is the error after do the .configure checking --enable-gui argument... no GUI support How can i let the system to find the GUI library? I have try to do apt-get build-dep vim the gui lib should be included, but no luck what else can i do? i have also tried --enable-gui=<auto, gtk, gtk2, gnome2> all of them show the same error no GUI support...

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• Google Wave CLI client and googlewave.com

  - by Andrew Ho

  I'm trying to use the CLI client for Google Wave that Google have created with my @googlewave.com account. I can't seem to get it to connect -- does anyone know if this is actually possible, or if it will only connect to locally hosted wave servers?

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• ReadyNAS issue with Google Apps?

  - by Jauder Ho

  The power went out (again) in my house today so I decided to set up some alerting. Since I have a ReadyNAS and the latest version of Raidinator seems to have SMTP TLS support, I figured I would try setting things up to email to a domain I have hosted on Google Apps. At this point, I have everything working IF I use a Gmail account but as soon as I switch to a Google Apps email address, it stops working and complains with smtpstatus=535 smtpmsg='535-5.7.1 Username and Password not accepted. Learn more at \n535 5.7.1 http://mail.google.com/support/bin/answer.py?answer=14257 30sm16076226wfd.23' errormsg='authentication failed (GNU SASL, method PLAIN)' exitcode=EX_NOPERM I'm wondering if anyone else has encountered this. Google's extremely aggressive captcha does not help but I am able to log in now without a captcha from a browser so I'm open to any ideas why the simple switch of a user/password combo that is supposed to work does not. I'm also attaching my config so that others can see how to set things up.

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• top does not run

  - by Horace Ho

  Sorry that I can't be very specific, only symtoms are provided: Monday morning a CentOS box, 1GB ram, Pentium 4 web server (thin, rails) does not response (too slow) to a browser of another PC ping it, ok ssh into it, ok a few minutes later, the web server is back to normal speed, serving web requests well ping it, ok ssh into it, ok however, top does not run what should I look at, about this 'top does not run' symptom? thx

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• Apple Mail shows incoming mail, but nothing arrives in inbox or any folders

  - by Ho Li Cow

  Apple Mail frequently shows incoming messages in the Mail Activity window, but nothing will arrive in my inbox or any folders. Am i missing messages? Now using OS X 10.6.3, Mail 4.2 but this also happened with OS X 10.5.8/9 too? Should i be worried? Thanks.

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• Abnormal hangs and restarts Ubuntu 8.04

  - by jai-ho

  Hi, I am using Ubuntu 8.04 LTS and seeing the following behaviors: The system hangs after a while and becomes completely unresponsive. The system sometimes restarts itself ! Can you please help me identify what is the problem? Also please mention where should I look for the possible cause of this error. Thanks. EDIT: Got the following from the dmesg output (the system got hung and had to restart) [ 15.452015] Driver 'sr' needs updating - please use bus_type methods [ 15.456882] Driver 'sd' needs updating - please use bus_type methods [ 15.457987] sr0: scsi3-mmc drive: 52x/52x writer cd/rw xa/form2 cdda tray [ 15.457993] Uniform CD-ROM driver Revision: 3.20 [ 15.458058] sr 0:0:1:0: Attached scsi CD-ROM sr0 [ 15.463028] sd 1:0:0:0: [sda] 156301488 512-byte hardware sectors (80026 MB) [ 15.463051] sd 1:0:0:0: [sda] Write Protect is off [ 15.463055] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 15.463083] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 15.463151] sd 1:0:0:0: [sda] 156301488 512-byte hardware sectors (80026 MB) [ 15.463167] sd 1:0:0:0: [sda] Write Protect is off [ 15.463171] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 15.463197] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 15.463202] sda:<5sr 0:0:1:0: Attached scsi generic sg0 type 5 [ 15.464634] sd 1:0:0:0: Attached scsi generic sg1 type 0 [ 15.470120] sda1 sda2 < sda5 [ 15.495536] sd 1:0:0:0: [sda] Attached SCSI disk [ 15.759549] Attempting manual resume [ 15.759554] swsusp: Resume From Partition 8:5 [ 15.759556] PM: Checking swsusp image. [ 15.759742] PM: Resume from disk failed. [ 15.779964] EXT3-fs: INFO: recovery required on readonly filesystem. [ 15.779970] EXT3-fs: write access will be enabled during recovery. [ 19.904204] kjournald starting. Commit interval 5 seconds [ 19.904235] EXT3-fs: sda1: orphan cleanup on readonly fs [ 19.904245] ext3_orphan_cleanup: deleting unreferenced inode 303260 [ 19.904304] ext3_orphan_cleanup: deleting unreferenced inode 303329 [ 19.932763] ext3_orphan_cleanup: deleting unreferenced inode 3801871 [ 19.932785] ext3_orphan_cleanup: deleting unreferenced inode 3801874 [ 19.932798] ext3_orphan_cleanup: deleting unreferenced inode 3801910 [ 19.951253] ext3_orphan_cleanup: deleting unreferenced inode 3801912 [ 19.951266] ext3_orphan_cleanup: deleting unreferenced inode 3801914 [ 19.951278] ext3_orphan_cleanup: deleting unreferenced inode 3959212 [ 19.951299] ext3_orphan_cleanup: deleting unreferenced inode 3959213 [ 19.960335] ext3_orphan_cleanup: deleting unreferenced inode 3959215 [ 19.963531] ext3_orphan_cleanup: deleting unreferenced inode 3801875 [ 19.963545] ext3_orphan_cleanup: deleting unreferenced inode 3663727 [ 19.963565] ext3_orphan_cleanup: deleting unreferenced inode 3663708 [ 19.963577] ext3_orphan_cleanup: deleting unreferenced inode 4072122 [ 19.963597] ext3_orphan_cleanup: deleting unreferenced inode 4072157 [ 19.968616] ext3_orphan_cleanup: deleting unreferenced inode 4072159 [ 19.970252] ext3_orphan_cleanup: deleting unreferenced inode 4072160 [ 19.970264] ext3_orphan_cleanup: deleting unreferenced inode 4072161 [ 19.992889] ext3_orphan_cleanup: deleting unreferenced inode 4072264 [ 19.992903] ext3_orphan_cleanup: deleting unreferenced inode 4072267 [ 19.999585] ext3_orphan_cleanup: deleting unreferenced inode 4072268 [ 20.008329] ext3_orphan_cleanup: deleting unreferenced inode 4072270 [ 20.008343] ext3_orphan_cleanup: deleting unreferenced inode 4072123 [ 20.008360] ext3_orphan_cleanup: deleting unreferenced inode 4072452 [ 20.008374] ext3_orphan_cleanup: deleting unreferenced inode 4072453 [ 20.008385] ext3_orphan_cleanup: deleting unreferenced inode 4072124 [ 20.008398] ext3_orphan_cleanup: deleting unreferenced inode 311574 [ 20.008413] ext3_orphan_cleanup: deleting unreferenced inode 967890 [ 20.008420] EXT3-fs: sda1: 28 orphan inodes deleted [ 20.008423] EXT3-fs: recovery complete. [ 20.082622] EXT3-fs: mounted filesystem with ordered data mode. [ 29.025379] input: PC Speaker as /devices/platform/pcspkr/input/input2 [ 29.187133] Linux agpgart interface v0.102 [ 29.225338] iTCO_vendor_support: vendor-support=0 [ 29.259662] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.02 (26-Jul-2007)

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• What are "Missing thread recordng" erros when running fsck -fy ?

  - by Horace Ho

  There is some error reported when I run Disk Utility and verify the root volume on my OS X MacBook. So I boot and CMD-S into the shell mode and run /sbin/fsck -fy. Errors are like: ** Checking catalog file. Missing thread record (id = ...) In correct number of thread records ** Checking catalog hierarchy. Invalid volume file count (It should be ... instead of ...) ** Repairing Volume Missing directory record (id = ...) I'd like to know what is the cause of the above errors? Hopefully I will be more careful in the future to prevent them from happening again. p.s. I am using a SSD and so I assume mechanical hard disk error is less likely. Thanks!

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• Snow Leopard crashes my Xerox printer

  - by Ho Li Cow

  Just set up 2 brand new iMac 21.5" with OS X 10.6.2 pre-installed in our office. Now whenever we try to print an e-mail out, it re-sets the printer i.e. it switches off, does a POST and prints out a Printer Config page. I can print web pages and from other apps fine, just Apple Mail seems to be suffering. Printer is a Xerox Phaser 7750. I downloaded the drivers it recommended when i first tried printing which didn't help and then also tried downloading from the Xerox site. The latter seemed to install fine but then right at the end, it would say 'Installation Successful', then ask me to choose a printer (it found it fine, both by Bonjour and Raw TCP - i tried both) and then it would give an error message. Any help appreciated.

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• Outlook 2003 won't send mail

  - by Ho Li Cow

  A colleague's e-mail has just started playing up - he's using Outlook/Office 2003 on a Win XP SP3 machine. Yesterday his mail has suddenly stopped being received, although there are no errors of any kind that i can see. It was only noticed because he didn't have any replys all day. His e-mails seem to send fine - no errors come up, the mail goes into Sent Items as usual, but it never arrives at it's destination. However, when mail is sent from Outlook Web Access, e-mails send fine. All connections to the server appear fine and outlook is 'connected' but I've had a look at the message tracking on our Exchange 2003 server and no messages are appearing when sent from outlook, only when sent through OWA. Where should i be looking ? Thanks.

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• Messages going missing from Apple mailboxes

  - by Ho Li Cow

  A colleague has noticed random messages being deleted from her Apple Mailboxes. e.g. Message sent to client - client replies - original message nowhere to be found. Not in sent items/sent messages/junk/trash. No rules set up. Have tried rebuilding mailboxes but message doesn't show up. Quite worrying really as it was only noticed by chance so don't know how long/how widespread it is. Mail is controlled by Exchange 2003 server. Anyone come across this before or know what's happening? Many thanks MBP 2.53GHz OS X 10.5.8 Mail 3.6

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• how to uninstall the jdk 1.7.0 in the ubuntu

  - by kaiwii ho

  i encounter a very strange problem,and here is the detail: i'm going to uninstall the jdk 1.7.0.but when i use the rpm to check the appropriate name of the package,it prompt nothing.Anyway,when i use the command java -version,it will prompt the detail of the jdk 1.7.0. below is the detail: root@kaiwiiho:/usr/java# rpm -qa|grep jdk root@kaiwiiho:/usr/java# java -version java version "1.7.0" Java(TM) SE Runtime Environment (build 1.7.0-b147) Java HotSpot(TM) Server VM (build 21.0-b17, mixed mode) root@kaiwiiho:/usr/java# rpm -qa|grep jdk root@kaiwiiho:/usr/java# so what happen?And how can i uninstall it?thx

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• website snapshot saved as a png

  - by Horace Ho

  I once came across a utility program which can capture a snapshot of a website and save the full page as a png image file. Too bad I forget the name of it. Anyone helps? Thanks!

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• windows 8.1 sync wallpaper slideshow

  - by March Ho

  I have the same slideshow in the exact same folder (C:\Images) on two computers which are syncing their settings over the Microsoft account (mail and other settings synced normally), and I have independently configured them to display wallpaper slideshows from that folder. However, the "Synced Theme" in Personalise Desktop repeatedly resets to a static image. Is there a way to ensure the sync sticks?

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• Ruby on Rails deployment, on "thin" server with lot of attachments

  - by Horace Ho

  A lot of PDFs are stored inside MySQL as a BLOB field for each PDF file. The average file size is 500K each. The Rails app will stream the :binary data as file downloads, where there is a user click on the download link. Assume there is a maximum of 5 users downloading 5 PDFs concurrently, what kind of deployment setup parameters I should be aware of? e.g. for the case of thin: thin start --servers 3 whether --servers 3 is good enough (or 5 or more is needed) for the above example? The 2nd question is whether 'thin' a capable solution? Thanks!

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• how does presentPopoverFromRect work?

  - by Horace Ho

  I don't understand how to define the (CGRect)rect in order to control the position of popover, and the position of the arrow. For example, I have a 1004 x 768 view, how can I put the popover at lower right of the screen, and point the arrow at 700 (x) 1000 (y)? Thakns!

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• ItemsControl ItemsTemplate vs ContentTemplate

  - by Allen Ho

  Hi, Is there any difference between setting the ContentTemplate of a ListBoxItem, compared to setting the ItemsTemplate on the ListBox? Or is it just a preference? Just say you set the ItemsTemplate of the ListBox can you still get the Data Template you assigned to the ListBox ItemsTemplate via the ListBoxItems ContentTemplate? ie. Like below ListBoxItem myListBoxItem = ...; ContentPresenter myContentPresenter = FindVisualChild(myListBoxItem); DataTemplate myDataTemplate = myContentPresenter.ContentTemplate;

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• Does Watir work under ruby 1.9.1?

  - by Horace Ho

  Here is the .rb program: require 'watir' b = Watir::Browser.new the 2nd line will trigger a ""The program can't start because msvcrt-ruby18.dll is missing from your computer!" error. I am using 1.9.1p378 on win32 ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-mingw32] How can I fix this? Thanks for your attention.

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• Looking for calculator source code, BSD-licensed

  - by Horace Ho

  I have an urgent project which need many functions of a calculator (plus a few in-house business rule formulas). As I won't have time to re-invent the wheel so I am looking for source code directly. Requirements: BSD licensed (GPL won't help) in c/c++ programming language 32-bit CPU minimum dependency on platform API/data structure best with both RPN and prefix notation supported emulator/simulator code also acceptable (if not impossible to add custom formula) with following functions (from wikipedia) Scientific notation for calculating large numbers floating point arithmetic logarithmic functions, using both base 10 and base e trigonometry functions (some including hyperbolic trigonometry) exponents and roots beyond the square root quick access to constants such as pi and e plus hexadecimal, binary, and octal calculations, including basic Boolean math fractions optional statistics and probability calculations complex numbers programmability equation solving

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• How to fix "failed codesign verification" of an iPhone project?

  - by Horace Ho

  Last night, the iPhone project was built perfectly. This morning, I installed XCode 3.2.3 in a separate folder. When I open the same project in the old XCode 3.2.2 and re-built the project. I got this warning: Application failed codesign verification. The signature was invalid, or it was not signed with an Apple submission certificate. (-19011) How can I fix it? Thanks!

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• Speed up bitstring/bit operations in Python?

  - by Xavier Ho

  I wrote a prime number generator using Sieve of Eratosthenes and Python 3.1. The code runs correctly and gracefully at 0.32 seconds on ideone.com to generate prime numbers up to 1,000,000. # from bitstring import BitString def prime_numbers(limit=1000000): '''Prime number generator. Yields the series 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 ... using Sieve of Eratosthenes. ''' yield 2 sub_limit = int(limit**0.5) flags = [False, False] + [True] * (limit - 2) # flags = BitString(limit) # Step through all the odd numbers for i in range(3, limit, 2): if flags[i] is False: # if flags[i] is True: continue yield i # Exclude further multiples of the current prime number if i <= sub_limit: for j in range(i*3, limit, i<<1): flags[j] = False # flags[j] = True The problem is, I run out of memory when I try to generate numbers up to 1,000,000,000. flags = [False, False] + [True] * (limit - 2) MemoryError As you can imagine, allocating 1 billion boolean values (1 byte 4 or 8 bytes (see comment) each in Python) is really not feasible, so I looked into bitstring. I figured, using 1 bit for each flag would be much more memory-efficient. However, the program's performance dropped drastically - 24 seconds runtime, for prime number up to 1,000,000. This is probably due to the internal implementation of bitstring. You can comment/uncomment the three lines to see what I changed to use BitString, as the code snippet above. My question is, is there a way to speed up my program, with or without bitstring?

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• WCF ChannelFactory vs generating proxy

  - by Allen Ho

  Hi, Just wondering under what circumstances would you prefer to generate a proxy from a WCF service when you can just invoke calls using the ChannelFactory? This way you wont have to generate a proxy and worry about regenerating a proxy whne the server is updated? Thanks

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• WPF: Setting toolbar button sizes using a Style

  - by Allen Ho

  I have buttons on a toolbar in WPF. When I do the XAML: <ToolBar.Resources> <Style TargetType="{x:Type Button}"> <Setter Property="Width" Value="21"></Setter> <Setter Property="Height" Value="21"></Setter> </Style> </ToolBar.Resources> None of the buttons on the toolbar set their sizes accordingly. I have to go to each button and manually set their widths and heights to the desired values. Any idea why the Style on the toolbar does not work?

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• ruby eval('\1') of gsub possible?

  - by Horace Ho

  I try to replace a sub-str by the content of a valiable where its name matches the sub-str by: >> str = "Hello **name**" => "Hello **name**" >> name = "John" => "John" str.gsub(/\*\*(.*)\*\*/, eval('\1')) # => error! the last line in the code above is a syntax error. and: >> str.gsub(/\*\*(.*)\*\*/, '\1') => "Hello name" >> str.gsub(/\*\*(.*)\*\*/, eval("name")) => "Hello John" what I want is the result of: str.gsub(/\*\*(.*)\*\*/, eval("name")) # => "Hello John" any help will be appreciated. thx!

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• VisualStateManager for WPF and Silverlight

  - by Allen Ho

  When you do code like VisualStates.GoToState(this, useTransitions, VisualStates.StateNormal); I believe this code will only work for Silverlight apps. will this affect the way a WPF app works... Trying to incorportae controls that can be shared between both silverlight and WPF apps and was just wondering what were the main pitfalls were...

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