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How can I read and parse CSV files in C++?
...0E+09
The code is written as a finite-state machine and is consuming one character at a time. I think it's easier to reason about.
#include <istream>
#include <string>
#include <vector>
enum class CSVState {
UnquotedField,
QuotedField,
QuotedQuote
};
std::vector<...
string to string array conversion in java
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Assuming you really want an array of single-character strings (not a char[] or Character[])
1. Using a regex:
public static String[] singleChars(String s) {
return s.split("(?!^)");
}
The zero width negative lookahead prevents the pattern matching at the start ...
How do I find where an exception was thrown in C++?
...rwrite sigaction with caller's address
array[1] = caller_address;
char ** messages = backtrace_symbols(array, size);
// skip first stack frame (points here)
for (int i = 1; i < size && messages != NULL; ++i) {
std::cerr << "[bt]: (" << i << ") "...
Remove the first character of a string
I would like to remove the first character of a string.
4 Answers
4
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Replace multiple characters in one replace call
...str.replace(/#|_/g,''); // result: "this is a test"
You could also use a character class:
str.replace(/[#_]/g,'');
Fiddle
If you want to replace the hash with one thing and the underscore with another, then you will just have to chain. However, you could add a prototype:
String.prototype.allR...
What are invalid characters in XML
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The only illegal characters are &, < and > (as well as " or ' in attributes).
They're escaped using XML entities, in this case you want &amp; for &.
Really, though, you should use a tool or library that writes XML for you ...
techniques for obscuring sensitive strings in C++
...void this. If for example you are sending the key off to a server, send it character by character, so the whole string is never around. Of course, if you are using it from something like RSA encoding, then this is trickier.
4) Do an ad-hoc algorithm -- on top of all this, add a unique twist or two....
What does it mean by buffer?
...ample. In a C program, for example, you might have:
#define BUFSIZE 1024
char buffer[BUFSIZE];
size_t len = ;
// ... later
while((len=read(STDIN, &buffer, BUFSIZE)) > 0)
write(STDOUT, buffer, len);
... which is a minimal version of cp(1). Here, the buffer array is used to store the ...
UPDATE and REPLACE part of a string
... (N'19-4-2015', N'Monay', 2)
DECLARE @Date Nvarchar(200)
SET @Date = (SELECT [Date] FROM Tbl_PersonalDetail WHERE ID = 2)
Update Tbl_PersonalDetail SET [Date] = (REPLACE(@Date , '-','/')) WHERE ID = 2
share
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How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
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