大约有 37,000 项符合查询结果（耗时：0.0468秒） [XML]
What does '
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edited Jun 23 '15 at 10:17
answered Jan 7 '10 at 13:09
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How to multiply duration by integer?
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+250
int32 and time.Duration are different types. You need to convert the int32 to a time.Duration, such as time.Sleep(time.Duration(rand.I...
Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
... */
$(function() {
$(".sidebar").stick_in_parent({
offset_top: 10
});
});
* {
font-size: 10px;
color: #333;
box-sizing: border-box;
}
.wrapper,
.header,
.main,
.footer {
padding: 10px;
position: relative;
}
.wrapper {
border: 1px solid #333;
background-col...
Why is my program slow when looping over exactly 8192 elements?
...for(i=1;i<SIZE-1;i++)
for(j=1;j<SIZE-1;j++) {
res[j][i]=0;
for(k=-1;k<2;k++)
for(l=-1;l<2;l++)
res[j][i] += img[j+l][i+k];
res[j][i] /= 9;
}
First notice that the two inner loops are trivial. They can be unrolled as follows:
f...
How to tell which version of a gem a rails app is using
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edited Dec 4 '13 at 16:09
aldo.roman.nurena
1,1701010 silver badges2525 bronze badges
answered Oct 26...
Redis command to get all available keys?
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answered Mar 9 '11 at 21:40
yojimbo87yojimbo87
57.1k2121 gold badges118118 silver badges128128 bronze badges
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Drawing a connecting line between two elements [closed]
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edited Nov 5 '18 at 20:59
balupton
40.8k2727 gold badges114114 silver badges164164 bronze badges
an...
A migration to add unique constraint to a combination of columns
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answered Jul 30 '10 at 9:45
Robert SpeicherRobert Speicher
14.5k55 gold badges3636 silver badges4343 bronze badges
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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309
Adding the following two line sat the top of my .py script worked for me (first line was necess...
Why does casting int to invalid enum value NOT throw exception?
...e.IsDefined(),
() => new ArgumentException(string.Format("{0} is not a defined value for enum type {1}",
enumValue, typeof(T).FullName)));
return parsedValue;
}
public static bool IsDefined(T enumValue)
{
return System.Enum.IsDefined(type...