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What is the difference between “int” and “uint” / “long” and “ulong”?
...mbers twice as large as their signed counterparts. The signed counterparts do not have "u" prefixed.
The limits for int (32 bit) are:
int: –2147483648 to 2147483647
uint: 0 to 4294967295
And for long (64 bit):
long: -9223372036854775808 to 9223372036854775807
ulong: 0 to 1844674407370955161...
How to get Activity's content view?
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this.getWindow().getDecorView().findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content)
or
this.findViewById(android.R.id.content).getRootView()
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Writing to an Excel spreadsheet
...ive, openpyxl). Others suggest to write to a .csv file (never used CSV and don't really understand what it is).
12 Answers
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typedef struct vs struct definitions [duplicate]
...you use allow for a function and a type by the same name, the best you can do is review how you name the elements of your program.
– David Rodríguez - dribeas
Jul 20 '13 at 18:45
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How do I limit the number of results returned from grep?
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hi it tried it it basically works but it does not seem like the grep "stops" thinking after he finds the first 10 lines it looks like he continues thinking and "using my cpu" and just not printint it is it correcT? thansk
– Jas
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Determining memory usage of objects? [duplicate]
...by each of my objects inside my current workspace. Is there an easy way to do this?
4 Answers
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Str_replace for multiple items
I remember doing this before, but can't find the code. I use str_replace to replace one character like this: str_replace(':', ' ', $string); but I want to replace all the following characters \/:*?"<>| , without doing a str_replace for each.
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Algorithm for creating a school timetable
...hy of completing the whole schedule, instead providing us with a list of a dozen or so plausible candidates. A human is often in a better position to complete the puzzle, as indicated, possibly breaking a few of the contraints, using information which is not typically shared with the automated logi...
Better techniques for trimming leading zeros in SQL Server?
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Encapsulating this in a function resulted in slowing down my queries. I'm not quite sure why but I think it has to do with type conversion. Using the SUBSTRING inline was much faster.
– Ronnie Overby
Jul 26 '13 at 16:22
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Abstract Class vs Interface in C++ [duplicate]
...al void Method4() = 0; // make MyAbstractClass not instantiable
};
In Windows programming, interfaces are fundamental in COM. In fact, a COM component exports only interfaces (i.e. pointers to v-tables, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Inte...