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What is the point of function pointers?
...ut << "the answer is: " << i << '\n';}
};
functor f;
f(42);
The idea behind this is that, unlike a function pointer, a function object can carry not only an algorithm, but also data:
class functor {
public:
functor(const std::string& prompt) : prompt_(prompt) {}
...
Running multiple commands with xargs
...
cat a.txt | xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To explain some of the finer points:
The use of "$arg" instead of ...
Laravel redirect back to original destination after login
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23 Answers
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Creating a byte array from a stream
... static byte[] ReadFully(Stream input)
{
byte[] buffer = new byte[16*1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read = input.Read(buffer, 0, buffer.Length)) > 0)
{
ms.Write(buffer, 0, read);
}
return ms.T...
How can I echo HTML in PHP?
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272
There are a few ways to echo HTML in PHP.
1. In between PHP tags
<?php if(condition){ ?>...
How to subtract X days from a date using Java calendar?
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edited Nov 29 '17 at 16:04
Floern
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What does a type followed by _t (underscore-t) represent?
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218
As Douglas Mayle noted, it basically denotes a type name. Consequently, you would be ill-adv...
How do I have an enum bound combobox with custom string formatting for enum values?
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21 Answers
21
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How can I control the width of a label tag?
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answered May 12 '10 at 16:05
Josh StodolaJosh Stodola
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“register” keyword in C?
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edited Jan 22 '15 at 3:19
Qix - MONICA WAS MISTREATED
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