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How to get the Power of some Integer in Swift language?
...(radix), Double(power)))
}
// ...
// Then you can do this...
let i = 2 ^^ 3
// ... or
println("2³ = \(2 ^^ 3)") // Prints 2³ = 8
I used two carets so you can still use the XOR operator.
Update for Swift 3
In Swift 3 the "magic number" precedence is replaced by precedencegroups:
precedencegro...
Case insensitive searching in Oracle
...QL> SET HEADING OFF
SQL> SELECT *
2 FROM NLS_SESSION_PARAMETERS
3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT');
NLS_SORT
BINARY
NLS_COMP
BINARY
SQL>
SQL> SELECT CASE WHEN 'abc'='ABC' THEN 1 ELSE 0 END AS GOT_MATCH
2 FROM DUAL;
0
SQL>
SQL> ALTER SESSION SET NL...
How can I multiply and divide using only bit shifting and adding?
...
answered May 5 '10 at 22:31
Andrew ToulouseAndrew Toulouse
1,09311 gold badge99 silver badges1010 bronze badges
...
How can mixed data types (int, float, char, etc) be stored in an array?
... element, you would do:
my_array[0].type = is_int;
my_array[0].val.ival = 3;
When you want to access an element of the array, you must first check the type, then use the corresponding member of the union. A switch statement is useful:
switch (my_array[n].type) {
case is_int:
// Do stuff for ...
Delete column from SQLite table
... |
edited Mar 2 '16 at 14:38
Tim
36.1k1313 gold badges109109 silver badges129129 bronze badges
answered ...
round() for float in C++
...ath (according to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf)
#include <cmath>
#include <iostream>
int main(int argc, char** argv) {
std::cout << "round(0.5):\t" << round(0.5) << std::endl;
std::cout << "round(-0.5):\t" << round(...
ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
... |
edited Sep 21 at 9:23
Grzegorz
3,8542121 silver badges3838 bronze badges
answered May 14 '12 at 14...
Underscore prefix for property and method names in JavaScript
...
35
Welcome to 2019!
It appears a proposal to extend class syntax to allow for # prefixed variable...
BugTrap：程序崩溃快照、bug跟踪之利器 - C/C++ - 清泛网 - 专注C/C++及内核技术
...vityType(BTA_SAVEREPORT);
}
// Windows下感知程序崩溃的方法有3个核心的函数，分别如下：
// SetUnhandledExceptionFilter (HandleException)确定出现没有控制的异常发生时调用HandleException.
// _set_invalid_parameter_handler(HandleInvalidParameter)确定出现...