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What differences, if any, between C++03 and C++11 can be detected at run-time?
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I got an inspiration from What breaking changes are introduced in C++11?:
#define u8 "abc"
bool isCpp0x() {
const std::string s = u8"def"; // Previously "abcdef", now "def"
return s == "def";
}
This is based on the new string literals that t...
Margin on child element moves parent element
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i wanna know why does this happen what good this does to anyone. What situation this 'feature' was meant to be.
– Muhammad Umer
Mar 14 '13 at 14:47
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Invoking a jQuery function after .each() has completed
...n the question was spot on. I was asking about .each() and thought that is what I wanted but as you and tvanfosson and now patrick have pointed out - it was the final fadeOut that I was actually interested in. I think we all agree that your example (counting instead of indexes) is probably the safes...
SELECT INTO Variable in MySQL DECLARE causes syntax error?
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I ran into this same issue, but I think I know what's causing the confusion. If you use MySql Query Analyzer, you can do this just fine:
SELECT myvalue
INTO @myvar
FROM mytable
WHERE anothervalue = 1;
However, if you put that same query in MySql Workbench, it will t...
PHP cURL HTTP CODE return 0
... content, but the $httpcode always return 0, plus the curl_error is null . what could possible went wrong. I only include returntransfer, header (false), followlocation in the setting only.
– Ardeus
May 2 '12 at 12:08
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Ruby on Rails Callback, what is difference between :before_save and :before_create?
Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails validations? Does validation occur after :before_save or :before_create ?
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Create a completed Task
...d linked to from that site) or you haven't specified version 4.5.3. Here's what's on my machine. @PeterRitchie
– i3arnon
Oct 14 '14 at 17:23
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What are bitwise shift (bit-shift) operators and how do they work?
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The bit shifting operators do exactly what their name implies. They shift bits. Here's a brief (or not-so-brief) introduction to the different shift operators.
The Operators
>> is the arithmetic (or signed) right shift operator.
>>> is the logi...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
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@RossRogers: What really happens is the compiler arranges the branches so the common case is the not-taken one. This is faster even when branch prediction does work. Taken branches are problematic for instruction-fetch and decode even w...
WWW or not WWW, what to choose as primary site name? [closed]
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What problems does it cause graphic designers?
– StuperUser
Jul 10 '09 at 13:07
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