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How can I read a large text file line by line using Java?
...using forEach(). The strange code (Iterable<String>) lines::iterator casts a Stream to an Iterable.
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How to remove illegal characters from path and filenames?
...he illegal path char list and has a few more. Here are lists of both lists cast to int: 34,60,62,124,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,58,42,63,92,47 34,60,62,124,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31...
c# datatable to csv
...tringBuilder sb = new StringBuilder();
string[] columnNames = dt.Columns.Cast<DataColumn>().
Select(column => column.ColumnName).
ToArray();
sb.AppendLine(string.Join(",", columnNames));
foreach (DataRow row in dt.Rows)
...
Truncate Two decimal places without rounding
...our function will cause overflows. You should use Int64 if you really must cast it to an Integer. The question would be why you would want to incur that extra overhead anyway since Truncate returns Decimal integrals anyway. Just do something like: decimal step = (decimal)Math.Pow(10, precision); re...
C library function to perform sort
..._function, which takes in two
arguments of type "const void", which can be cast to appropriate data structure, and then
return one of these three values:
negative, if a should be before b
0, if a equal to b
positive, if a should be after b
1. Comparing a list of integers:
simply cast a and b to...
Is it possible to use the instanceof operator in a switch statement?
... Function instead of Runnable, pass the instance in as the parameter, then cast it when needed
– Novaterata
Jun 3 '19 at 22:07
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Round a double to 2 decimal places [duplicate]
...et 200.34.
if you wanted to always round down we could always truncate by casting to an int:
double val = ....;
val = val*100;
val = (double)((int) val);
val = val /100;
This technique will work for most cases because for very large doubles (positive or negative) it may overflow. but if you know...
Create an enum with string values
...ink.LEARN: will get a Cannot convert 'Link.LEARN' to 'string' build error. Casting will not work.
– Gone Coding
Jan 16 '14 at 10:22
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Best way to detect that HTML5 is not supported
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@2astalavista The double negative (!!) is like casting. It turns a truey or falsey statement into a boolean. For example: var i = 0. i evaluates to false, but typeof i returns "number". typeof !!i returns "boolean".
– User2
Jun 12 '1...
Function overloading by return type?
...le, in C++, the overload would likely have been resolvable using some ugly cast syntax.
– Michael Burr
Jan 14 '09 at 17:25
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