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Divide a number by 3 without using *, /, +, -, % operators

... x = t; } return y; } int divideby3(int num) { int sum = 0; while (num > 3) { sum = add(num >> 2, sum); num = add(num >> 2, num & 3); } if (num == 3) sum = add(sum, 1); return sum; } As Jim commented this works, because:...
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Too many 'if' statements?

... 600 If you cannot come up with a formula, you can use a table for such a limited number of outcomes...
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Reduce left and right margins in matplotlib plot

...E.g. import matplotlib.pyplot as plt import numpy as np data = np.arange(3000).reshape((100,30)) plt.imshow(data) plt.savefig('test.png', bbox_inches='tight') Another way is to use fig.tight_layout() import matplotlib.pyplot as plt import numpy as np xs = np.linspace(0, 1, 20); ys = np.sin(xs) ...
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How to sort a dataFrame in python pandas by two or more columns?

... 490 As of the 0.17.0 release, the sort method was deprecated in favor of sort_values. sort was comp...
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JavaScript is in array

...a RBala R 99.2k2222 gold badges178178 silver badges201201 bronze badges 25 ...
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Drawing Isometric game worlds

... 507 +50 Update: ...
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In CMake, how can I test if the compiler is Clang?

...so work correctly if a compiler wrapper like ccache is used. As of CMake 3.0.0 the CMAKE_<LANG>_COMPILER_ID value for Apple-provided Clang is now AppleClang. To test for both the Apple-provided Clang and the regular Clang use the following if condition: if (CMAKE_CXX_COMPILER_ID MATCHES "Clang...
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How to load a tsv file into a Pandas DataFrame?

... Note: As of 17.0 from_csv is discouraged: use pd.read_csv instead The documentation lists a .from_csv function that appears to do what you want: DataFrame.from_csv('c:/~/trainSetRel3.txt', sep='\t') If you have a header, you can pass he...
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Reset keys of array elements in php?

... | edited Jun 7 '18 at 19:04 Riz-waan 54322 silver badges1212 bronze badges answered May 8 '12 at 5:09 ...
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Stacked Tabs in Bootstrap 3

..., .tabs-right > .nav-tabs, .tabs-left > .nav-tabs { border-bottom: 0; } .tab-content > .tab-pane, .pill-content > .pill-pane { display: none; } .tab-content > .active, .pill-content > .active { display: block; } .tabs-below > .nav-tabs { border-top: 1px solid #ddd; } ...