apache-flex

Adobe AIR to execute program

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With AIR 2.0 you now can: if(NativeProcess.isSupported) { var file:File = File.desktopDirectory; file = file.resolvePath(“StyleLookupold.exe”); var nativeProcessStartupInfo:NativeProcessStartupInfo = new NativeProcessStartupInfo(); nativeProcessStartupInfo.executable = file; var process:NativeProcess = new NativeProcess(); process.start(nativeProcessStartupInfo); } You also need to add this to your descriptor file. <supportedProfiles>extendedDesktop</supportedProfiles>

Can maven projects have multiple parents?

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Even though maven projects have single parent, they can import any number of other pom’s like this: <dependencyManagement> <dependencies> <dependency> <groupId>org.example</groupId> <artifactId>my-shared-dependencies</artifactId> <version>0.0.1-SNAPSHOT</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> This has two important differences compared to a parent: Plugins defined in the imported pom won’t be imported Dependencies defined in the imported pom won’t be added … Read more

SQLite Parameters – Not allowing tablename as parameter

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Generally one cannot use SQL parameters/placeholders for database identifiers (tables, columns, views, schemas, etc.) or database functions (e.g., CURRENT_DATE), but instead only for binding literal values. With server-side support for parameterized (a.k.a. prepared) statements, the DB engine parses your query once, remembering out the peculiars of any parameters — their types, max lengths, precisions, etc. … Read more

How to deal with Number precision in Actionscript?

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This is my generic solution for the problem (I have blogged about this here): var toFixed:Function = function(number:Number, factor:int) { return Math.round(number * factor)/factor; } For example: trace(toFixed(0.12345678, 10)); //0.1 Multiply 0.12345678 by 10; that gives us 1.2345678. When we round 1.2345678, we get 1.0, and finally, 1.0 divided by 10 equals 0.1. Another example: … Read more

What is the best way to get the minimum or maximum value from an Array of numbers?

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The theoretical answers from everyone else are all neat, but let’s be pragmatic. ActionScript provides the tools you need so that you don’t even have to write a loop in this case! First, note that Math.min() and Math.max() can take any number of arguments. Also, it’s important to understand the apply() method available to Function … Read more

Flex: Is it possible for a changewatcher to watch multiple variables?

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From the Documentation, it is not possible: “A single ChangeWatcher instance can watch one property, or a property chain. A property chain is a sequence of properties accessible from a host object. For example, the expression obj.a.b.c contains the property chain (a, b, c).” In my case the properties are not part of the same … Read more

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