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How to set specific java version to Maven

...ml file to my ~/.m2/ folder with following content: <toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 http://maven.apache.org/xsd/toolchains-1.1.0.xsd"> <!-- JDK ...
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How to list out all the subviews in a uiviewcontroller in iOS?

...t-in way to dump the view hierarchy is useful -- recursiveDescription, per http://developer.apple.com/library/ios/#technotes/tn2239/_index.html It outputs a more complete view hierarchy which you might find useful: > po [_myToolbar recursiveDescription] <UIToolbarButton: 0xd866040; frame = ...
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Is there a way to chain multiple value converters in XAML?

...see my Gist for the full version. Implementation: <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:converters="clr-namespace:ATXF.Converters;assembly=ATXF" x:Class="ATXF.TestPage"> <ResourceDictionary> <con...
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib

...re is a great tool to finding files like the libmysqlclient.18.dylib file, http://apps.tempel.org/FindAnyFile. This is how I originally found the location of the dylib file. share | improve this an...
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Where can I learn jQuery? Is it worth it?

...rspective, b) the grief it causes it you, and c) how much fun it can be! http://www.west-wind.com/weblog/ http://mattberseth.com/ I used the book jQuery in Action http://www.amazon.com/jQuery-Action-Bear-Bibeault/dp/1933988355/ref=sr_1_1?ie=UTF8&s=books&qid=1219716122&sr=1-1 (I boug...
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How do I make a textbox that only accepts numbers?

...alidating events were designed for. Here's the MSDN article on the topic: http://msdn.microsoft.com/en-us/library/system.windows.forms.control.validating.aspx The TL;DR version: check the .Text property in the Validating event and set e.Cancel=True when the data is invalid. When you set e.Cancel=...
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Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh

... Install Java 7u21 from: http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html#jdk-7u21-oth-JPR Set these variables: export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.7.0_21.jdk/Contents/Home export...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

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How to remove array element in mongodb?

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How is the undo tree used in Vim?

...igured I'd mention that I wrote an undo tree visualization plugin for Vim: http://bitbucket.org/sjl/gundo.vim/ Personally I found that graphing the tree like this was the only way I could make sense of it. share | ...