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What's the difference between a temp table and table variable in SQL Server?
...-unique indexes too.
Table variables don't participate in transactions and SELECTs are implicitly with NOLOCK. The transaction behaviour can be very helpful, for instance if you want to ROLLBACK midway through a procedure then table variables populated during that transaction will still be populated...
What does “Memory allocated at compile time” really mean?
...and (relative) position of this allocation is determined at compile time.
char a[32];
char b;
char c;
Those 3 variables are "allocated at compile time", it means that the compiler calculates their size (which is fixed) at compile time. The variable a will be an offset in memory, let's say, pointi...
How to use icons and symbols from “Font Awesome” on Native Android Application
...llowing:
Copied fontawesome-webfont.ttf into my assests folder
Found the character entities for icons I wanted, using this page: http://fortawesome.github.io/Font-Awesome/cheatsheet/
Created an entry in strings.xml for each icon. Eg for a heart:
<string name="icon_heart">&#xf004;</s...
Can inner classes access private variables?
... {
i.func();
}
private:
static const char* const MYCONST;
Inner i;
int var;
};
const char* const Outer::MYCONST = "myconst";
int main()
{
Outer o1;
Outer o2(o1);
o1.func();
o2.func();
}
...
What new capabilities do user-defined literals add to C++?
...ctor call:
#include <bitset>
#include <iostream>
template<char... Bits>
struct checkbits
{
static const bool valid = false;
};
template<char High, char... Bits>
struct checkbits<High, Bits...>
{
static const bool valid = (High == '0' || High == '1')...
HTTP URL Address Encoding in Java
...tring();
(the single-argument constructor of URI does NOT escape illegal characters)
Only illegal characters get escaped by above code - it does NOT escape non-ASCII characters (see fatih's comment).
The toASCIIString method can be used to get a String only with US-ASCII characters:
URI ur...
Insert spaces between words on a camel-cased token [duplicate]
...e Stuff And Sell It (IIRC).
Syntax explanation (credit):
{Ll} is Unicode Character Category "Letter lowercase" (as opposed to {Lu} "Letter uppercase"). P is a negative match, while p is a positive match, so \P{Ll} is literally "Not lowercase" and p{Ll} is "Lowercase".
So this regex splits on two p...
How to convert wstring into string?
...= L"ħëłlö";
const std::locale locale("");
typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type;
const converter_type& converter = std::use_facet<converter_type>(locale);
std::vector<char> to(ws.length() * converter.max_length());
std::mbstate_t state...
Reading a plain text file in Java
...formance always call sb.append('\n') in preference to sb.append("\n") as a char is appended to the StringBuilder faster than a String
– gb96
Jul 5 '13 at 0:58
2
...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
... I wonder if there are progress towards a locale independent and/or locale selectable version of std::to_string(). The cppreference page still link only to std::to_chars(), which is not really what people need. I wonder if fmt and/or c++20 deal with it or not yet.
– ceztko
...