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What's the difference between std::move and std::forward
...orward, but one can add cv-qualifiers. Y can not be a type that is merely convertible from X, except via an accessible Base conversion.
If Y is an lvalue reference, the result will be an lvalue expression. If Y is not an lvalue reference, the result will be an rvalue (xvalue to be precise) expre...
JavaScript/jQuery to download file via POST with JSON data
...
It will corrupt binary files, because they get converted to strings using encoding, and result is not very close to original binary...
– Gobol
Feb 27 '17 at 7:40
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How to find list of possible words from a letter matrix [Boggle Solver]
...();
}
$chars = "[^$chars]";
return qr/$chars/i;
}
# convert a plain cell ( ie: [x][y] = 0 )
# to an intelligent cell ie: [x][y] = object( x, y )
# we only really keep them in this format temporarily
# so we can go through and tie in neighbouring information.
# after th...
Find nearest latitude/longitude with an SQL query
...All the abs should be removed. There is no need to take the abs value when converting from degrees to radians, and, even if you did, you are doing it to just one of the latitudes. Please edit it so it fixes the bug.
– Chango
Jan 12 '16 at 21:59
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Switch statement: must default be the last case?
... controlling
expression. The constant expression in
each case label is converted to the
promoted type of the controlling
expression. If a converted value
matches that of the promoted
controlling expression, control jumps
to the statement following the matched
case label. Otherwise, ...
How can I generate an MD5 hash?
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This topic is also useful if you need to convert the resulting bytes to hex string.
– weekens
May 22 '12 at 7:25
1
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Is it possible to specify condition in Count()?
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When working with boolean fields you can use this : SUM(CONVERT(int, IsManager))
– Simon_Weaver
Apr 4 '17 at 23:09
2
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Hidden features of WPF and XAML?
...into words just how much I love that feature. I hated having tons of value converters laying around.
– Rob
Jul 14 '09 at 13:53
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Format bytes to kilobytes, megabytes, gigabytes
...] Number of digits after the decimal point (eg. 1)
* @return string Value converted with unit (eg. 25.3KB)
*/
function formatBytes($bytes, $precision = 2) {
$unit = ["B", "KB", "MB", "GB"];
$exp = floor(log($bytes, 1024)) | 0;
return round($bytes / (pow(1024, $exp)), $precision).$unit[...
How to format numbers by prepending 0 to single-digit numbers?
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If the number is higher than 9, convert the number to a string (consistency). Otherwise, add a zero.
function n(n){
return n > 9 ? "" + n: "0" + n;
}
n( 9); //Returns "09"
n(10); //Returns "10"
n(999);//Returns "999"
...