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What could cause java.lang.reflect.InvocationTargetException?

...at construction time and accessed via the getTargetException() method is now known as the cause, and may be accessed via the Throwable.getCause() method, as well as the aforementioned "legacy method." share |...
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Convert JS object to JSON string

... Update May 17, 2008: Small sanitizer added to the toObject-method. Now toObject() will not eval() the string if it finds any malicious code in it.For even more security: Don't set the includeFunctions flag to true. Douglas Crockford, father of the JSON concept, wrote one of the ...
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Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?

...ype(8), .rest:nth-of-type(9), .rest:nth-of-type(10){ display:none; } Now you must be wondering what is the difference between nth-child and nth-of-type so this is the difference Suppose the html is <div class="one">...</div> <div class="two">...</div> <div class="...
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PHP Fatal error: Cannot redeclare class

Does anyone know what can cause this problem? 18 Answers 18 ...
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What's the best practice to round a float to 2 decimals? [duplicate]

...that allows you to round a number to the number of decimals that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom. /** * Round to certain number of decimals * * @param d * @param decimalPlace * @return */ public stati...
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Best way to test SQL queries [closed]

...onth as select *, year * 12 + month as absolute_month from month_value; Now what we have to test is inherent in our spec, namely that for any tuple (year, month), there is one and only one (absolute_month), and that (absolute_month)s are consecutive. Let's write some tests. Our test will be a SQ...
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How to reset db in Django? I get a command 'reset' not found error

... thanks, good to know, recent (last modified 6 months ago) public django documentation about fixtures still (2019-07-11) talks about 'reset': code.djangoproject.com/wiki/Fixtures – vchrizz Jul 11 '19 at 2...
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Is Mono ready for prime time? [closed]

...this task; (b) you are starting to write some new code, and you want to know if Mono is mature enough. For the first case, you can use the Mono Migration Analyzer tool (Moma) to evaluate how far your application is from running on Mono. If the evaluation comes back with flying colors, you should...
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When to use: Java 8+ interface default method, vs. abstract method

...venience methods, thus constraining the implementor to single inheritance, now you can have a really clean design with just the interface and a minimum of implementation effort forced on the programmer. The original motivation to introduce default methods to Java 8 was the desire to extend the Coll...
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition

... in Java, C++, and Python on this page: Features2D + Homography to find a known object Both algorithms are invariant to scaling and rotation. Since they work with features, you can also handle occlusion (as long as enough keypoints are visible). Image source: tutorial example The processing takes a...