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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
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507
Use an overload of rfind which has the pos parameter:
std::string s = "tititoto";
if (s.rfind(...
How can I get the line number which threw exception?
...race(ex, true);
// Get the top stack frame
var frame = st.GetFrame(0);
// Get the line number from the stack frame
var line = frame.GetFileLineNumber();
}
Note that this will only work if there is a pdb file available for the assembly.
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Why is string concatenation faster than array join?
...e first browser to optimize string concatenation. Beginning with version 1.0, the array technique is actually slower than using the plus operator in all cases. Other browsers have also optimized string concatenation, so Safari, Opera, Chrome, and Internet Explorer 8 also show better performance usin...
Swift: Pass array by reference?
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I thought inout used a getter and a setter to copy the array to a temporary and then reset it on the way out of the function - i.e. it copies
– dumbledad
Oct 5 '15 at 9:41
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Bootstrap dropdown sub menu missing
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Updated 2018
The dropdown-submenu has been removed in Bootstrap 3 RC. In the words of Bootstrap author Mark Otto..
"Submenus just don't have much of a place on the web right now, especially the mobile web. They will be removed wi...
How does Stack Overflow generate its SEO-friendly URLs?
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302
Here's how we do it. Note that there are probably more edge conditions than you realize at firs...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
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edited May 31 '17 at 16:10
Bruiser
11.2k55 gold badges3131 silver badges4444 bronze badges
answered Mar...
Getting a random value from a JavaScript array
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edited Jul 24 at 5:06
tamil arasan
111 bronze badge
answered Dec 29 '10 at 0:06
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How do I wrap text in a pre tag?
... I know this I'm late to this game, but why is this solution better than setting it once in the stylesheet? I have multiple divs on one HTML output screen that would need this. Seems like a single fix to the element in the stylesheet fixes all the problems.
– Jared Newnam
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