大约有 44,000 项符合查询结果（耗时：0.0432秒） [XML]
COUNT DISTINCT with CONDITIONS
...bination of Tag & Entry ID when [Entry Id]>0
select count(distinct(concat(tag,entryId)))
from customers
where id>0
In the output it will display the count of unique values
Hope this helps
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Conveniently Declaring Compile-Time Strings in C++
... Can operations that create new constexpr strings (like string concatenation and substring extraction) work with this approach? Perhaps using two constexpr-string classes (one based on str_const and the other based on sequence), this may be possible. The user would use str_const to initi...
AJAX Mailchimp signup form integration
...method'),
url: $form.attr('action').replace('/post?', '/post-json?').concat('&c=?'),
data: $form.serialize(),
timeout: 5000, // Set timeout value, 5 seconds
cache : false,
dataType : 'jsonp',
contentType: "application/json; charset=utf-8",
error...
How do you specify that a class property is an integer?
...ponential, toFixed, toPrecision, toString
myString. // charAt, charCodeAt, concat, indexOf, lastIndexOf, length and many more...
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How do I append one string to another in Python?
...
If you only have one reference to a string and you concatenate another string to the end, CPython now special cases this and tries to extend the string in place.
The end result is that the operation is amortized O(n).
e.g.
s = ""
for i in range(n):
s+=str(i)
used to ...
What is the best way to paginate results in SQL Server
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Still waiting on LISTAGG()/GROUP_CONCAT().
– Bacon Bits
Nov 10 '14 at 20:07
1
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Custom attributes - Yea or nay?
...}
if (node.nodeType === 1) {
ret = ret.concat( getAllComments(node) );
}
} while( node = node.nextSibling );
return ret;
},
cache = [0],
expando = 'data' + +new Date(),
data = function(node)...
Encrypting & Decrypting a String in C# [duplicate]
...nalBlock();
// Create the final bytes as a concatenation of the random salt bytes, the random iv bytes and the cipher bytes.
var cipherTextBytes = saltStringBytes;
cipherTextBytes = cipherTextBytes.Concat...
Is It Possible to Sandbox JavaScript Running In the Browser?
...; // object: object q=1 w=2
}
}).eval({
code : "[1, 2, 3].concat(input)",
input : [4, 5, 6],
callback: function(arr) {
console.log("array: ", arr); // array: [1, 2, 3, 4, 5, 6]
}
}).eval({
code : "function x(z){this.y=z;};new x(input)",
...
How do I group Windows Form radio buttons?
...Many(ctrl => GetAll(ctrl, type))
.Concat(controls)
.Where(c => c.GetType() == type);
}
}
}
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