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Variable declaration placement in C
... must pass the -pedantic flag.
The declaration of c at the start of a { } block is part of the C89 standard; the block doesn't have to be a function.
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“Cross origin requests are only supported for HTTP.” error when loading a local file
... ... the Ruby Gods say this works as well:
ruby -run -e httpd . -p 8080
PHP
Of course PHP also has its solution.
php -S localhost:8000
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Difference between VARCHAR and TEXT in MySQL [duplicate]
...up to 16 MB, LONGTEXT up to 4 GB. If you use LONGTEXT and get the data via PHP (at least if you use mysqli without store_result), you maybe get a memory allocation error, because PHP tries to allocate 4 GB of memory to be sure the whole string can be buffered. This maybe also happens in other langua...
How do I *really* justify a horizontal menu in HTML+CSS?
...y;
}
#menu * {
display: inline;
}
#menu li {
display: inline-block;
}
#menu span {
display: inline-block;
position: relative;
width: 100%;
height: 0;
}
<div id="menu">
<ul>
<li><a href="#">Menu item 1</a></li>
<li>...
Completion block for popViewController
...using dismissViewController , there is the option to provide a completion block. Is there a similar equivalent for popViewController ?
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What and where are the stack and heap?
... as scratch space for a thread of execution. When a function is called, a block is reserved on the top of the stack for local variables and some bookkeeping data. When that function returns, the block becomes unused and can be used the next time a function is called. The stack is always reserved ...
Using Default Arguments in a Function
I am confused about default values for PHP functions. Say I have a function like this:
12 Answers
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What's the difference between a proc and a lambda in Ruby?
...alue of that lambda, but using return in a proc returns from the enclosing block.
lambda { return :foo }.call # => :foo
return # => LocalJumpError: unexpected return
Proc.new { return :foo }.call # => LocalJumpError: unexpected return
So for most quick uses they're the same, but if you w...
How do you deal with configuration files in source control?
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I use this approach, I just have a main.php.tmpl and when I checkout a new copy just copy it to main,php. I add the main.php file to the ignore list to avoid commit it by accident.
– levhita
Sep 15 '08 at 18:10
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How much faster is C++ than C#?
... flattened the 2d array to 1d to achieve better cache locality (contiguous block)
C# (.NET 4.6.1)
private static void TestArray()
{
const int rows = 5000;
const int columns = 9000;
DateTime t1 = System.DateTime.Now;
double[][] arr = new double[rows][];
for (int i = 0; i < ro...