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Archive of entries posted on January 2007

duplicates and invoking LaunchServices

Posted by yiming on 17 January 2007, 9:25 pm

If you deal with duplicate files a lot, then fdupes is a very quick command-line solution. Among other things, it also does an MD5 comparison of file signatures, can recurse directories and following symlinks, and can be used for scripting as well as directly from standard input.

Bonaparte-Prime:/tmp $ fdupes -r -d ./[1] ./foo.mp3 [...]

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Turning off the Unused Icons Wizard

Posted by yiming on 14 January 2007, 1:14 am

Having been pestered by the Windows XP Desktop Cleaning Wizard one too many times, I wanted to turn the bloody thing off. Turns out it was under Display -> Desktop tab -> Customize Desktop -> a check box to turn off the wizard.
Interesting that a system maintenance service is actually controlled by a setting [...]

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/Library/Java/Extensions, MATLAB errors, and you

Posted by yiming on 8 January 2007, 2:24 am

If you installed MATLAB 2006b on OS X and encountered this error when Matlab starts up:
java.lang.IllegalArgumentException: http://java.sun.com/xml/jaxp/properties/schemaSource
at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.setAttribute(DocumentBuilderFactoryImpl.java:118)
at com.mathworks.xml.XMLValidator.validateFile(XMLValidator.java:54)
at com.mathworks.mlwidgets.util.productinfo.Product.getItems(Product.java:310)
at com.mathworks.mlwidgets.util.productinfo.ProductInfoUtils.pathChanged(ProductInfoUtils.java:160)
at com.mathworks.mlwidgets.util.productinfo.ProductInfoUtils.<init>(ProductInfoUtils.java:67)
at com.mathworks.mlwidgets.util.productinfo.ProductInfoUtils.getAllProductsInfo(ProductInfoUtils.java:910)
at com.mathworks.mlwidgets.util.productinfo.ProductInfoUtils.<clinit>(ProductInfoUtils.java:53)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at com.mathworks.mde.desk.StartupClassLoader.callClassForName(StartupClassLoader.java:304)
at com.mathworks.mde.desk.StartupClassLoader.access$000(StartupClassLoader.java:27)
at com.mathworks.mde.desk.StartupClassLoader$LoadInfo.<init>(StartupClassLoader.java:80)
at com.mathworks.mde.desk.StartupClassLoader.addLoadInfo(StartupClassLoader.java:219)
at com.mathworks.mde.desk.StartupClassLoader.createLoadInfos(StartupClassLoader.java:195)
at com.mathworks.mde.desk.StartupClassLoader.access$500(StartupClassLoader.java:27)
at com.mathworks.mde.desk.StartupClassLoader$2.run(StartupClassLoader.java:147)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)
Exception in thread “Timer-2″ java.lang.ExceptionInInitializerError
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at com.mathworks.mde.desk.StartupClassLoader.callClassForName(StartupClassLoader.java:304)
at com.mathworks.mde.desk.StartupClassLoader.access$000(StartupClassLoader.java:27)
at com.mathworks.mde.desk.StartupClassLoader$LoadInfo.<init>(StartupClassLoader.java:80)
at com.mathworks.mde.desk.StartupClassLoader.addLoadInfo(StartupClassLoader.java:219)
at com.mathworks.mde.desk.StartupClassLoader.createLoadInfos(StartupClassLoader.java:195)
at com.mathworks.mde.desk.StartupClassLoader.access$500(StartupClassLoader.java:27)
at com.mathworks.mde.desk.StartupClassLoader$2.run(StartupClassLoader.java:147)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)
Caused by: java.lang.NullPointerException
at com.mathworks.mlwidgets.util.productinfo.Product.getItems(Product.java:317)
at [...]

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Exchanging objects between PHP and Python

Posted by yiming on 1 January 2007, 9:14 pm

So over the course of my various projects, personal or otherwise, I’ve collected an assortment of information that may or may not be of interest to others or to myself in the future. What does end up happening is that I would make notes about it in a file or (dear god) on a [...]

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