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How to convert a String into an ArrayList?
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Why doesn't this work List<Character> word1 = new ArrayList<Character>(Arrays.asList(A[0].toCharArray())); I'm trying to get first String of an string array, and convert that string into charArray and that charArray to List<Character>
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Read lines from a file into a Bash array [duplicate]
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this worked with NAUTILUS_SCRIPT_SELECTED_FILE_PATHS that has '\012' (\n) char on it, thx! using any output: IFS=$'\n' read -d '' -r -a astr < <(echo -e "a b c\nd e\nf"); checking: for str in "${astr[@]}";do echo $str;done;
– Aqua...
Is there an equivalent for var_dump (PHP) in Javascript?
...ts, add three to it and
// use it to indent the out block by that many characters. This argument is
// not intended to be used by any other than the recursive call.
var indent_by = typeof arguments[3] === 'undefined' ? 0:arguments[3]+3;
var do_boolean = function (v)
{
r...
How would one write object-oriented code in C? [closed]
...r an object, something like:
typedef struct {
int (*open)(void *self, char *fspec);
int (*close)(void *self);
int (*read)(void *self, void *buff, size_t max_sz, size_t *p_act_sz);
int (*write)(void *self, void *buff, size_t max_sz, size_t *p_act_sz);
// And data goes here.
} tCo...
Maximum length of the textual representation of an IPv6 address?
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45 characters.
You might expect an address to be
0000:0000:0000:0000:0000:0000:0000:0000
8 * 4 + 7 = 39
8 groups of 4 digits with 7 : between them.
But if you have an IPv4-mapped IPv6 address, the last two groups can b...
What is the difference between Ruby 1.8 and Ruby 1.9
...ow
if statements do not introduce scope in Ruby.
What's changed?
Single character strings.
Ruby 1.9
irb(main):001:0> ?c
=> "c"
Ruby 1.8.6
irb(main):001:0> ?c
=> 99
String index.
Ruby 1.9
irb(main):001:0> "cat"[1]
=> "a"
Ruby 1.8.6
irb(main):001:0> "cat"[1]
=>...
Code Golf: Lasers
The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input .
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Convert Elixir string to integer or float
...k String.to_integer/1 and String.to_float/1.
Hint: See also to_atom/1,to_char_list/1,to_existing_atom/1for other conversions.
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c++提取复数的实部和虚部 - C/C++ - 清泛网 - 专注C/C++及内核技术
...// 实部
REAL i; // 虚部
};
bool Parse(COMPLEX * cp, const char * strCplx, const int len)
{
memset(cp, 0, sizeof(COMPLEX));
char buf[MAX_BUF_LEN];
int signPos = -1, // +/-号位置
iPos = -1; // 结尾的i的位置
for (int i = len-1; i >-1;...
C++11 tuple 这一篇就够了 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#include <iostream>
#include <tuple>
int main ()
{
int myint;
char mychar;
float myfloat;
std::tuple<int,float,char> mytuple;
mytuple = std::make_tuple (10, 2.6, 'a'); // packing values into tuple
//std::tie (myint, std::ignore, mychar) = mytuple; // unpacking...