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What should main() return in C and C++?

...y? And how about the arguments? If int main() then return 1 or return 0 ? 17 Answers ...
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How to convert list of key-value tuples into dictionary?

... 90 This gives me the same error as trying to split the list up and zip it. ValueError: dictionar...
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How to align absolutely positioned element to center?

... you can center an absolutely positioned element. position:absolute; left:0; right:0; margin-left:auto; margin-right:auto; share | improve this answer | follow ...
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Maintain the aspect ratio of a div with CSS

...entage value for padding-bottom, like this: .demoWrapper { padding: 10px; background: white; box-sizing: border-box; resize: horizontal; border: 1px dashed; overflow: auto; max-width: 100%; height: calc(100vh - 16px); } div { width: 100%; padding-bottom: 75%; background: g...
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What is the syntax to insert one list into another list in python?

... | edited Jan 8 '15 at 22:03 the Tin Man 147k3131 gold badges192192 silver badges272272 bronze badges an...
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Plot a bar using matplotlib using a dictionary

...ort matplotlib.pyplot as plt D = {u'Label1':26, u'Label2': 17, u'Label3':30} plt.bar(range(len(D)), list(D.values()), align='center') plt.xticks(range(len(D)), list(D.keys())) # # for python 2.x: # plt.bar(range(len(D)), D.values(), align='center') # python 2.x # plt.xticks(range(len(D)), D.keys(...
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How can we match a^n b^n with Java regex?

... +100 The answer is, needless to say, YES! You can most certainly write a Java regex pattern to match anbn. It uses a positive lookahead fo...
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Why does pylint object to single character variable names?

...warvariuc 47.6k3131 gold badges147147 silver badges207207 bronze badges 10 ...
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Java dynamic array sizes?

... one and copy the data from the old to the new: int[] oldItems = new int[10]; for (int i = 0; i < 10; i++) { oldItems[i] = i + 10; } int[] newItems = new int[20]; System.arraycopy(oldItems, 0, newItems, 0, 10); oldItems = newItems; If you find yourself in this situation, I'd highly recomme...
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How to combine multiple conditions to subset a data-frame using “OR”?

... it is to be handled as I intended, since ... > NA & 1 [1] NA > 0 & NA [1] FALSE Order of arguments may matter when using '&". share | improve this answer | ...