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Default template arguments for function templates
...late <typename T> T prettify(T t) { return t; }
std::string prettify(char c) {
std::stringstream ss;
if (isprint((unsigned char)c)) {
ss << "'" << c << "'";
} else {
ss << (int)c;
}
return ss.str();
}
template <typename S, typena...
Why does C++11 not support designated initializer lists as C99? [closed]
...urmountable problems with this approach; given:
struct X {
int c;
char a;
float b;
};
What order would these functions be called in in c99: struct X foo = {.a = (char)f(), .b = g(), .c = h()}? Surprisingly, in c99:
The order of evaluation of the subexpressions in any initializer i...
What is the point of function pointers?
...at, float) -> float function
typedef int (TMyClass::*pt2Member)(float, char, char);
// defines a symbol pt2Member, pointer to a (float, char, char) -> int function
// belonging to the class TMyClass
The only time I have ever seen function pointers used where functors could not was in Bo...
RE error: illegal byte sequence on Mac OS X
...'s/./@/' <<<$'\xfc' fails, because byte 0xfc is not a valid UTF-8 char.
Note that, by contrast, GNU sed (Linux, but also installable on macOS) simply passes the invalid byte through, without reporting an error.
Using the formerly accepted answer is an option if you don't mind losing suppor...
What is boilerplate code?
...d of boilerplate from the nation's largest supplier, the Western Newspaper Union. Some companies also sent out press releases as boilerplate so that they had to be printed as written.
Now according to Wikipedia:
In object-oriented programs, classes are often provided with methods for getting a...
Split string into array of character strings
I need to split a String into an array of single character Strings.
11 Answers
11
...
Concurrent HashSet in .NET Framework?
...cky part about making an ISet<T> concurrent is that the set methods (union, intersection, difference) are iterative in nature. At the very least you have to iterate over all n members of one of the sets involved in the operation, while locking both sets.
You lose the advantages of a Concur...
Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...Dokan.pas里的定义
_DOKAN_OPTIONS = packed record
DriveLetter: WCHAR; // Drive letter to be mounted
ThreadCount: Word; // Number of threads to be used
DebugMode: Boolean;
UseStdErr: Boolean;
UseAltStream: Boolean;
UseKeepAlive: Boolean;
GlobalContext: Int64; ...
How to find the size of localStorage
...ntil DevTools are opened)
Opera 12.15 ~4212ms /3.55Mb (this is when 5Mb is selected, but Opera asks nicely if we want increase the amount of lS, unfortunately it crashes if test conducted a few times in a row)
Win 8 (Under Parallels 8)
IE10 ~7850ms /9.54Mb
...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...e1)
counter2 = Counter(iterable2)
all_items = set(counter1.keys()).union(set(counter2.keys()))
vector1 = [counter1[k] for k in all_items]
vector2 = [counter2[k] for k in all_items]
return vector1, vector2
def cosim(v1, v2):
dot_product = sum(n1 * n2 for n1, n2 in zip(v1, v2)...