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__FILE__, __LINE__, and __FUNCTION__ usage in C++
...docs/papers/2019/p1208r5.pdf
The documentation says:
constexpr const char* function_name() const noexcept;
6 Returns: If this object represents a position in the body of a function,
returns an implementation-defined NTBS that should correspond to the
function name. Otherwise, returns ...
URL Encode a string in jQuery for an AJAX request
... Resource Identifier (URI) component by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two "surrogate" characters).
Example:
var encoded = en...
What are C++ functors and their uses?
...te:
class SomeClass
{
std::string state_;
public:
SomeClass(const char* s) : state_(s) {}
void method( std::string param )
{
std::cout << state_ << param << std::endl;
}
};
SomeClass *inst = new SomeClass("Hi, i am ");
boost::function< void (std::st...
Get Base64 encode file-data from Input Form
...oa or similar
I haven't tested all cases, but works for me- just get the char-codes
Convert directly from a Uint8Array to base64
I recently implemented tar in the browser. As part of that process, I made my own direct Uint8Array->base64 implementation. I don't think you'll need that, but it...
With arrays, why is it the case that a[5] == 5[a]?
...D"[2] == *("ABCD" + 2) = *("CD") = 'C'. Dereferencing a string gives you a char, not a substring
– MSalters
Sep 21 '09 at 10:34
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Is it possible for git-merge to ignore line-ending differences?
...e.autoCRLF=false
Test that, when two lines are identical (but their eol chars), both DiffMerge or KDiff3 will ignore those line during a merge.
DOS script (note: the dos2unix command comes from here, and is used to simulate a Unix eol-style. That command has been copied in the directory mentione...
Array or List in Java. Which is faster?
...;std::string>, although copying by value without a pointer as such, the character arrays will form an object for string (and these will not usually be shared).
If this particular code is really performance-sensitive, you could create a single char[] array (or even byte[]) for all the characters ...
When should one use final for method parameters and local variables?
...y. In particular, Java function signatures are hard enough to fit into 80 characters as it is without adding six more per argument!
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What does (angle brackets) mean in Java?
...e a reference type. So you can't use primitive types like int or double or char or other primitive types.
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Use email address as primary key?
... key. Email address may be a bit much, but a CASCADE UPDATE for a PK of 2-character country code isn't a big deal.
– Matthew Wood
Sep 27 '10 at 20:58
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