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How to benchmark efficiency of PHP script
...ws to define steps in the code and reports time, memory usage, server load etc between two steps.
Something like:
$appgati->Step('1');
// Do some code ...
$appgati->Step('2');
$report = $appgati->Report('1', '2');
print_r($report);
Sample output array:
Array
(
...
Why would anybody use C over C++? [closed]
...ot just about the compiler, but all the support tools, coverage, analysis, etc)
Your target developers are C gurus
You're writing drivers, kernels, or other low level code
You know the C++ compiler isn't good at optimizing the kind of code you need to write
Your app not only doesn't lend itself to b...
How to RedirectToAction in ASP.NET MVC without losing request data
..." action you can go:
public ActionResult Form()
{
/* Declare viewData etc. */
if (TempData["form"] != null)
{
/* Cast TempData["form"] to
System.Collections.Specialized.NameValueCollection
and use it */
}
return View("Form", viewData);
}
...
Is there any difference between GROUP BY and DISTINCT
....
Here are the most important operations:
FROM (including JOIN, APPLY, etc.)
WHERE
GROUP BY (can remove duplicates)
Aggregations
HAVING
Window functions
SELECT
DISTINCT (can remove duplicates)
UNION, INTERSECT, EXCEPT (can remove duplicates)
ORDER BY
OFFSET
LIMIT
As you can see, the logical or...
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...o perform it's own thread initialization (setting up thread local storage, etc.).
In practice, this means that CreateThread() should pretty much never be used directly by your code.
The MSDN documents for _beginthread()/_beginthreadex() have quite a bit of detail on the differences - one of the mo...
Delete text in between HTML tags in vim?
...y repeated at (or it) to progressively select surrounding tags . (Or v2at, etc). Then d to delete (etc).
– Joe Freeman
Feb 16 '17 at 17:09
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Make a Bash alias that takes a parameter?
...h() { mv "$@" ~/.Trash; }
That's it! You can use parameters $1, $2, $3, etc, or just stuff them all with $@
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Convert HTML + CSS to PDF [closed]
...it that way so our clients didn't have to installed exe's on their servers etc and works cross platform. I definitely rate WKHTMLTOPDF if you are building your own service.
– eagle779
Apr 9 '14 at 1:08
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How can I increment a char?
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I came from PHP, where you can increment char (A to B, Z to AA, AA to AB etc.) using ++ operator. I made a simple function which does the same in Python. You can also change list of chars to whatever (lowercase, uppercase, etc.) is your need.
# Increment char (a -> b, az -> ba)
def inc_char...
Enable Vim Syntax Highlighting By Default
... of basic stuff for you automatically (syntax, search highlighting, backup etc). You can then tweak it based on your needs.
– oyenamit
Jun 30 '12 at 14:51
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