大约有 30,000 项符合查询结果（耗时：0.0473秒） [XML]
Position of least significant bit that is set
...op(nums);
end_time = clock();
printf("Naive loop. Time = %.2f, result = %d\n",
(end_time - start_time) / (double)(CLOCKS_PER_SEC), result);
start_time = clock();
result = find_first_bits_de_bruijn(nums);
end_time = clock();
printf("De Bruijn multiply. Time =...
Check if $_POST exists
...
if( isset($_POST['fromPerson']) )
{
$fromPerson = '+from%3A'.$_POST['fromPerson'];
echo $fromPerson;
}
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...67423)";
let color3 = "#67DAF0";
let color4 = "#5567DAF0";
let color5 = "#F3A";
let color6 = "#F3A9";
let color7 = "rgb(200,60,20)";
let color8 = "rgba(200,60,20,0.98631)";
// Tests:
/*** Log Blending ***/
// Shade (Lighten or Darken)
pSBC ( 0.42, color1 ); // rgb(20,60,200) + [42% Lighter] => ...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
... Unicode conversions on strings that are found to contain non-ASCII.
From https://anonbadger.wordpress.com/2015/06/16/why-sys-setdefaultencoding-will-break-code/
def welcome_message(byte_string):
try:
return u"%s runs your business" % byte_string
except UnicodeError:
return...
Parsing Visual Studio Solution files
... problem, but I ran across a project that seems to do just what is needed.
https://slntools.codeplex.com/
One of the functions of this tool is to merge multiple solutions together.
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How to validate an email address in PHP
...
Answered this in 'top question' about emails verification https://stackoverflow.com/a/41129750/1848217
For me the right way for checking emails is:
Check that symbol @ exists, and before and after it there are some non-@ symbols: /^[^@]+@[^@]+$/
Try to send an email to...
Useful GCC flags for C
... 1 (check/write): time=1280862302.170759 ptr=0x7fff96eb3d00 size=44
pc=0x7f3a575503c1 location=`mf.c:4:2 (main)'
/usr/lib/libmudflap.so.0(__mf_check+0x41) [0x7f3a575503c1]
./a.out(main+0x90) [0x400a54]
/lib/libc.so.6(__libc_start_main+0xfd) [0x7f3a571e2c4d]
Nearby object 1: checked...
How to make link look like a button?
...
Try this:
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com...
Formatting Decimal places in R
...aces assuming that you want to keep trailing zeros
sprintf(5.5, fmt = '%#.2f')
which gives
[1] "5.50"
As @mpag mentions below, it seems R can sometimes give unexpected values with this and the round method e.g. sprintf(5.5550, fmt='%#.2f') gives 5.55, not 5.56
...
How to print a double with two decimals in Android? [duplicate]
...
yourTextView.setText(String.format("Value of a: %.2f", a));
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