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SQLite add Primary Key

...Sqlite by using the CREATE TABLE AS syntax to create a table based on a SELECT statement. Now this table has no primary key but I would like to add one. ...
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How do I join two SQLite tables in my Android application?

... You need rawQuery method. Example: private final String MY_QUERY = "SELECT * FROM table_a a INNER JOIN table_b b ON a.id=b.other_id WHERE b.property_id=?"; db.rawQuery(MY_QUERY, new String[]{String.valueOf(propertyId)}); Use ? bindings instead of putting values into raw sql query. ...
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How to sign an android apk file

...or Signing. To create a signed and aligned .apk in Eclipse: Select the project in the Package Explorer and select File > Export. Open the Android folder, select Export Android Application, and click Next. The Export Android Application wizard now starts, which will guide...
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How to convert a string of bytes into an int?

...afał: Not really, since Greg was using <, according to the docs L is standard size (4) "when the format string starts with one of '<', '>', '!' or '='." docs.python.org/library/struct.html#format-characters – André Laszlo Dec 24 '11 at 0:50 ...
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Is there an easy way to attach source in Eclipse?

... Go to Properties (for the Project) -> Java Build Path -> Libraries Select the Library you want to attach source/javadoc for and then expand it, you'll see a list like so: Source Attachment: (none) Javadoc location: (none) Native library location: (none) Access rules: (No restrictions) Sel...
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How do I use Linq to obtain a unique list of properties from a list of objects?

... IEnumerable<int> ids = list.Select(x=>x.ID).Distinct(); share | improve this answer | follow | ...
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AngularJs: How to check for changes in file input fields?

...er="form-cntlr"> <form> <button ng-click="selectFile()">Upload Your File</button> <input type="file" style="display:none" id="file" name='file' onchange="angular.element(this).scope().fileNameChanged(this)" /> <...
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iOS (iPhone, iPad, iPodTouch) view real-time console log terminal

Is there a way to view the real-time console log to view NSLog and other debug messages in a real-time manner, such as adb logcat? ...
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Save plot to image file instead of displaying it using Matplotlib

I am writing a quick-and-dirty script to generate plots on the fly. I am using the code below (from Matplotlib documentation) as a starting point: ...
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Xcode 4, Core Data Model Version - Set Current Version

...d "View" button at the top right of the window). In the Utilities sidepane select the File inspector (little paper icon on the top left) You will see "Versioned Core Data Model" as a group so just change the "Current" drop-down to your new version. ...