大约有 5,570 项符合查询结果（耗时：0.0224秒） [XML]
mongodb count num of distinct values per field/key
...{ $gte: 2 }
}
},
{ $sort : { count : -1} },
{ $limit : 100 }
]);
that give result such as
{ "_id" : "inflammation", "count" : 765 }
{ "_id" : "obesity", "count" : 641 }
{ "_id" : "epidemiology", "count" : 617 }
{ "_id" : "cancer", "count" : 604 }
{ "_id" : "breast cancer", "co...
How do I create a constant in Python?
...alue. Declaration is easy Nums = Constants(ONE=1, PI=3.14159, DefaultWidth=100.0), Usage is straightforward print 10 + Nums.PI, attempt to change results in exception Nums.PI = 22 => ValueError(..).
– ToolmakerSteve
Dec 11 '13 at 1:07
...
How do I edit an existing tag message in git?
...no-walk --all
6bdcc347fca041a5138f89fdf5276b3ebf9095d5
e18c178f2a548b37799b100ab90ca785af1fede0 tag1
f22d6308c3cd330a3b0d86b9bf05562faf6b6f17
> git show tag1
tag tag1
Tagger: [tagger]
Date: [date of original tag]
[Updated description]
[tagged commit details]
References:
SO: Quick listing o...
Operator overloading : member function vs. non-member function?
...ppears on the right hand side of a binary operator. For example:
Foo f = 100;
int x = 10;
cout << x + f;
This only works if there is a global operator overload for
Foo operator + (int x, const Foo& f);
Note that the global operator overload doesn't necessarily need to be a friend...
For each row return the column name of the largest value
...
100
One option using your data (for future reference, use set.seed() to make examples using sample...
Best way to combine two or more byte arrays in C#
...t<> - 0.0781270 seconds
I increased the size of each array to 100 elements and re-ran the test:
New Byte Array using System.Array.Copy - 0.2812554 seconds
New Byte Array using System.Buffer.BlockCopy - 0.2500048 seconds
IEnumerable<byte> using C# yield operator - 0.06...
Coding Katas for practicing the refactoring of legacy code
...
+100
I don't know of a site that catalogs them directly, but one strategy that I've used on occasion is this:
Find an old, small, unmai...
How can I do something like a FlowLayout in Android?
...tBottom = 0;
int lineHeight = 0;
int myWidth = resolveSize(100, widthMeasureSpec);
int wantedHeight = 0;
for (int i = 0; i < getChildCount(); i++) {
final View child = getChildAt(i);
if (child.getVisibility() == View.GONE) {
...
Why does this code using random strings print “hello world”?
... 96 = 111 --> o
18 + 96 = 114 --> r
12 + 96 = 108 --> l
4 + 96 = 100 --> d
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Parallel foreach with asynchronous lambda
...exceptions);
}
}
}
Usage example:
await Enumerable.Range(1, 10000).ParallelForEachAsync(async (i) =>
{
var data = await GetData(i);
}, maxDegreeOfParallelism: 100);
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