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C# 操作MongoDb插入、更新、查询 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...MongoDb插入、更新、查询Mongo连接字符串形式：mongodb: 127.0.0.1:27017 插入或更新一条记录BsonDocument doc = new BsonDocument();...MongoServer serv...Mongo连接字符串形式：mongodb://127.0.0.1:27017
// 插入或更新一条记录
BsonDocument doc = new BsonDocument...
Decimal precision and scale in EF Code First
...rty of type System.Decimal gets mapped to a sql column of type decimal(18, 0).
16 Answers
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How to comment out a block of code in Python [duplicate]
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answered Mar 23 '09 at 22:20
John FeminellaJohn Feminella
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How to get the number of days of difference between two dates on mysql?
... the calculation
In your case, you'd use :
mysql> select datediff('2010-04-15', '2010-04-12');
+--------------------------------------+
| datediff('2010-04-15', '2010-04-12') |
+--------------------------------------+
| 3 |
+--------------------------------...
MySQL search and replace some text in a field
...me SET field = REPLACE(field, 'foo', 'bar') WHERE INSTR(field, 'foo') > 0;
REPLACE (string functions)
INSTR (string functions)
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Search All Fields In All Tables For A Specific Value (Oracle)
...rt, that probably won't help.
By the way, how certain are you that '1/22/2008P09RR8' is a value selected directly from a single column? If you don't know at all where it is coming from, it could be a concatenation of several columns, or the result of some function, or a value sitting in a nested t...
How to check what version of jQuery is loaded?
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Darin DimitrovDarin Dimitrov
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Configure IIS Express for external access to VS2010 project
I am developing a project in VS2010 and am able to view my site locally via IIS Express. I would like to enable external access over the network.
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How to insert element as a first child?
..."<div class='child-div'>some text</div>");
Demo
var i = 0;
$(document).ready(function () {
$('.add').on('click', function (event) {
var html = "<div class='child-div'>some text " + i++ + "</div>";
$("#parent-div").prepend(html);
});
});
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Writing/outputting HTML strings unescaped
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edited Apr 27 '15 at 4:04
Alexei Levenkov
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