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Is there a Java reflection utility to do a deep comparison of two objects?

...rison handles cycles. By default floats are compared with a precision of 1.0E-6 and doubles with 1.0E-15. You can specify a custom comparator per (nested) fields or type with respectively usingComparatorForFields(Comparator, String...) and usingComparatorForType(Comparator, Class). T...
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image processing to improve tesseract OCR accuracy

... fy = y * nHeightFactor - fr_y; nx = 1.0 - fx; ny = 1.0 - fy; color1 = temp.GetPixel(fr_x, fr_y); color2 = temp.GetPixel(cx, fr_y); color3 = temp.GetPixel(fr_x, cy);...
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What's the difference between a single precision and double precision floating point operation?

...1010101010 = NaN 0 10000000 00000000000000000000000 = +1 * 2**(128-127) * 1.0 = 2 0 10000001 10100000000000000000000 = +1 * 2**(129-127) * 1.101 = 6.5 1 10000001 10100000000000000000000 = -1 * 2**(129-127) * 1.101 = -6.5 0 00000001 00000000000000000000000 = +1 * 2**(1-127) * 1.0 = 2**(-126) 0 0000...
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When use getOne and findOne methods Spring Data JPA

...return userDto; } The Rest result is { "collection": { "version": "1.0", "data": { "id": 1, "name": "TEST_ME", "bookList": null }, "error": null, "statusCode": 200 }, "booleanStatus": null } The above code did not fetch the books which is read by th...
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Are there any downsides to passing structs by value in C, rather than passing a pointer?

...e x, y; } point; void give_two_doubles(double * x, double * y) { *x = 1.0; *y = 2.0; } point give_point() { point a = {1.0, 2.0}; return a; } int main() { return 0; } Compile it with full optimizations gcc -Wall -O3 foo.c -o foo Look at the assembly: objdump -d foo | vim...
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How do I make a splash screen?

...ed to define the spash screen in your layout.xml file <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent...
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How do I unit test web api action method when it returns IHttpActionResult?

....AspNet.* packages, I'll paste my packages.config here: <?xml version="1.0" encoding="utf-8"?> <packages> <package id="Castle.Core" version="4.3.1" targetFramework="net472" /> <package id="EntityFramework" version="6.2.0" targetFramework="net472" /> <package id="Mic...
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Convert a float64 to an int in Go

...\n") } func roundU(val float64) int { if val > 0 { return int(val+1.0) } return int(val) } func roundD(val float64) int { if val < 0 { return int(val-1.0) } return int(val) } func round(val float64) int { if val < 0 { return int(val-0.5) } return int(val+0.5) } ...
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Pan & Zoom Image

... reset zoom var st = GetScaleTransform(child); st.ScaleX = 1.0; st.ScaleY = 1.0; // reset pan var tt = GetTranslateTransform(child); tt.X = 0.0; tt.Y = 0.0; } } #region Child Events private void child_MouseWheel(object ...
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How to check if a String contains another String in a case insensitive manner in Java?

...--------- 1. Using regionMatches() 670 ms 10.7x 1.0x 2. 2x lowercase+contains 2829 ms 2.5x 4.2x 3. 1x lowercase+contains cache 2446 ms 2.9x 3.7x 4. Regexp 7180 ms 1.0x 10.7x 5. Regexp...