大约有 15,475 项符合查询结果(耗时:0.0210秒) [XML]
How to convert floats to human-readable fractions?
...he function would perform at most log(27) ~= 4 3/4 comparisons. Here is a tested C version of the code
char *userTextForDouble(double d, char *rval)
{
if (d == 0.0)
return "0";
// TODO: negative numbers:if (d < 0.0)...
if (d >= 1.0)
sprintf(rval, "%.0f ", floor(d...
What's the difference between echo, print, and print_r in PHP?
...t know exactly what values/types you have in your variables. Consider this test program:
$values = array(0, 0.0, false, '');
var_dump($values);
print_r ($values);
With print_r you can't tell the difference between 0 and 0.0, or false and '':
array(4) {
[0]=>
int(0)
[1]=>
float(0)
...
PHP cURL vs file_get_contents
...
This is old topic but on my last test on one my API, cURL is faster and more stable. Sometimes file_get_contents on larger request need over 5 seconds when cURL need only from 1.4 to 1.9 seconds what is double faster.
I need to add one note on this that I ju...
Show a PDF files in users browser via PHP/Perl
...ublic');
ini_set('zlib.output_compression','0');
die($content);
Tested and works fine. If you want the file to download instead, replace
Content-Disposition: inline
with
Content-Disposition: attachment
...
Is there a way to create your own html tag in HTML5?
... agree, writing your own tags is not for the faint of heart. Make sure you test it thoroughly. I would like to say one thing though... don't write CSS for IE6. Completely waste of resources and enables further use of such a horrible product that not even Microsoft endorses.
– T...
Understanding :source option of has_one/has_many through of Rails
...
I've tested this. it is singular, no s suffix in the :source =>
– Anwar
Oct 18 '15 at 14:02
...
How do you close/hide the Android soft keyboard using Java?
...
tested on Android 4.0, I like this solution, because I have multiple edit texts, buttons on that activity, which can have focus
– user529543
May 16 '13 at 15:04
...
Grepping a huge file (80GB) any way to speed it up?
... ton of time. The above is a translation of something that I am currently testing. the -j and -n option value seemed to work best for my use case. The -F grep also made a big difference.
share
|
i...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
...hought of, considered to be a good idea, designed, specified, implemented, tested, documented and shipped to users.
For Java, one or more of the things on that list did not happen, and therefore you don't have the feature. I don't know which one; you'd have to ask a Java designer.
For C#, all of t...
How to add hyperlink in JLabel?
...sktop.getDesktop().mail(new URI("mailto:YourEmailAddress@gmail.com?subject=TEST"));
} catch (URISyntaxException | IOException ex) {
//It looks like there's a problem
}
}
});
}
}
...
