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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f

I am getting the following error after importing a project in Eclipse: 23 Answers 23 ...
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How do I add more members to my ENUM-type column in MySQL?

...------------------------------------------+ 1 row in set (0.00 sec) What error are you seeing? FWIW this would also work: ALTER TABLE carmake MODIFY COLUMN country ENUM('Sweden','Malaysia'); I would actually recommend a country table rather than enum column. You may have hundreds of countries w...
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Is there a way to check if a file is in use?

...access the file before it's been saved back to the filesystem and throw an error: "File in use by another process" . 19 An...
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Why doesn't Java allow generic subclasses of Throwable?

...: class ParametricException<T> extends Exception { // compile-time error private final T value; public ParametricException(T value) { this.value = value; } public T getValue() { return value; } } An attempt to compile the above reports an error: % javac ParametricException.java Para...
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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2

I'm trying learn Python (3 to be more specific) and I'm getting this error: 3 Answers ...
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SyntaxError: Use of const in strict mode

...'m using const in "strict mode" . When trying to run it, I'm getting an error: 10 Answers ...
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Converting from longitude\latitude to Cartesian coordinates

...the Earth is an ellipsoid, but I believe you only get about a 0.5% average error using an approach like the "Haversine Formula", which may be an acceptable amount of error in your case. You will always have some amount of error unless you're talking about a distance of a few feet and even then ther...
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How do I get a plist as a Dictionary in Swift?

...th: plistPath!)! do {//convert the data to a dictionary and handle errors. plistData = try PropertyListSerialization.propertyList(from: plistXML, options: .mutableContainersAndLeaves, format: &propertyListFormat) as! [String:AnyObject] } catch { print("Er...
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What is the difference between Trap and Interrupt?

...n the ALU finds this problem. Just like a segmentation fault. Not all math errors cause interrupts (overflow doesn't), though. – Aaron Digulla May 22 '12 at 8:13 4 ...
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No module named pkg_resources

I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt : 34 Answe...