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How to get the current time in milliseconds from C in Linux?

...REALTIME, &spec); s = spec.tv_sec; ms = round(spec.tv_nsec / 1.0e6); // Convert nanoseconds to milliseconds if (ms > 999) { s++; ms = 0; } printf("Current time: %"PRIdMAX".%03ld seconds since the Epoch\n", (intmax_t)s, ms); } If your goal is...
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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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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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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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Android Paint: .measureText() vs .getTextBounds()

...= new StaticLayout(text, textPaint, boundedWidth , Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false); int height = layout.getHeight(); share | improve this answer | follow ...
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List comprehension on a nested list?

...: print(float(f)) ...: 1.0 In [3]: [float(f) for a in l ...: for b in a ...: for c in b ...: for d in c ...: for e in d ...: for f in e] Out[3]: [1.0] For your c...
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What is the significance of load factor in HashMap?

... of the map is more than 32. The map with initial size 4 and load factor 1.0 (4 buckets, but all the 4 element in a single bucket) will be in this example in average two times slower than another one with the load factor 0.75 (8 buckets, two buckets filled - with element "4" and with elements "8",...
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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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Reading a binary file with python

...e) print(result) Which produces an output like this: { 'group_ids': [(1.0,), (0.0,), (2.0,), (0.0,), (1.0,)], '__skipped': [b'\x00\x00\x00\x08', b'\x00\x00\x00\x08\x00\x00\x00\x14', b'\x00\x00\x00\x14'], 'num_particles': 5, 'num_groups': 3 } I used skip() to skip the additional dat...
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BigDecimal - to use new or valueOf

... @ryvantage: Compare the results of new BigDecimal(1.0/30.0); and BigDecimal.valueOf(1.0/30.0). See which result is actually closer to the numerical fraction 1/30. – supercat Apr 4 '14 at 20:52 ...