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How to make a great R reproducible example
When discussing performance with colleagues, teaching, sending a bug report or searching for guidance on mailing lists and here on Stack Overflow, a reproducible example is often asked and always helpful.
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In Python, when to use a Dictionary, List or Set?
When should I use a dictionary, list or set?
11 Answers
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How to remove the arrow from a select element in Firefox
...;
height: 15px;
}
<select class='select'>
<option value='foo'>bar</option>
</select>
this is so you can still click on it
Then make div with the same dimensions as the select box. The div should lay under the select box as the background. Use { position: absol...
Get unique values from a list in python [duplicate]
I want to get the unique values from the following list:
30 Answers
30
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Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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unsigned int vs. size_t
...ue bigger than 4G. Most compilers would reject e.g. typedef unsigned char foo[1000000000000LL][1000000000000LL], and even foo[65536][65536]; could be legitimately rejected if it exceeded a documented implementation-defined limit.
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Quick unix command to display specific lines in the middle of a file?
...pt method 3 to use a range instead of a single line, but I'm afraid my sed-foo isn't up to the task.
– Xiong Chiamiov
Jul 7 '13 at 17:44
9
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How to force LINQ Sum() to return 0 while source collection is empty
Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown.
Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
What is the difference between char array and char pointer in C?
...; // => 5
printf("%zu\n", strlen(q)); // => 5
return 0;
}
foo* and foo[] are different types and they are handled differently by the compiler (pointer = address + representation of the pointer's type, array = pointer + optional length of the array, if known, for example, if the arra...
How to convert float to int with Java
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use either/or... (int)foo is simpler.
– yuttadhammo
Jul 12 '12 at 9:39
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