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What are the differences between virtual memory and physical memory?
...l memory address. Imagine software had spat out an address of 45 with data 123, and OS had stored it in location 2012 and created an entry in the map, mapping 45 to 2012. If the software is now moved in memory, what used to be at location 2012 will no longer be at 2012, but in a new location, and OS...
Is there shorthand for returning a default value if None in Python? [duplicate]
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return "default" if x is None else x
try the above.
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Changing column names of a data frame
...k it was asked for data.frame, not data.table
– Helix123
Apr 16 '15 at 19:15
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Fragment lifecycle - which method is called upon show / hide?
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Similar to activity lifecycle, Android calls onStart() when fragment becomes visible. onStop()...
How to suppress scientific notation when printing float values?
...s really what you want? I don't: >>> print('{:f}'.format(0.000000123)) 0.000000
– duality_
May 22 '18 at 10:06
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Failed to build gem native extension (installing Compass)
...by-2.1.2 as 1.9.3 is no longer being updated
– timelf123
Aug 13 '14 at 16:47
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Java: parse int value from a char
...n be converted into int(0 to 9), e.g., '5'-'0' gives int 5.
String str = "123";
int a=str.charAt(1)-'0';
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How do I access command line arguments in Python?
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import sys
sys.argv[1:]
will give you a list of arguments (not including the name of the py...
What is difference between instantiating an object using new vs. without
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The line:
Time t (12, 0, 0);
... allocates a variable of type Time in local scope, generall...