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How to list files in a directory in a C program?
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while ((dir = readdir(d)) != NULL) // if we were able to read somehting from the directory
{
if(dir-> d_type != DT_DIR) // if the type is not directory just print it with blue
printf("%s%s\n",BLUE, dir->d_name);
else
if(dir -> d_type == DT_DIR && str...
Most efficient way to concatenate strings in JavaScript?
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It is different from version to version. I guess, right now Chrome's VM might contain some pre-optimization for this case. I tested again on Chrome v53 and concatenation is now the fastest solution :D Same hardware but different Chrome versi...
Pros and Cons of Interface constants [closed]
...ng on your needs, I'd likely build an Access class that would get its data from a database table. That way adding a new level is as easy as inserting a new row. Another option would be to build an ENUM class set (where you have one class for each permission role). Then you can extend classes where...
“date(): It is not safe to rely on the system's timezone settings…”
I got this error when I requested to update the PHP version from 5.2.17 to PHP 5.3.21 on the server.
24 Answers
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bind event only once
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@Manu you copied from this answer
– aexl
Sep 10 '19 at 11:25
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In C++, if throw is an expression, what is its type?
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From [expr.cond.2] (conditional operator ?:):
If either the second or the third operand has type (possibly cv-qualified) void, then the lvalue-to-rvalue,
array-to-pointer, and function-to-pointer standard conversions a...
Where should Rails 3 custom validators be stored?
...nest. However you may need to load them in before your models, so probably from an initializer.
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Casting to string in JavaScript
... This is actually an interesting difference. So you should refrain from using toString() when you haven't checked for null yet.
– Sammy S.
Jun 18 '12 at 13:06
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How do I update zsh to the latest version?
...what you're running now.
Use a package system (Ports, Homebrew).
Install from source. Last time I did this it wasn't too difficult (./configure, make, make install).
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How to tell Maven to disregard SSL errors (and trusting all certs)?
...under 'Global Execution Options' through the UI and I was able to download from repositories using https.
– Dan675
Oct 15 '17 at 23:11
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