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            var query = ((MongoQueryable<TEntity>)this.collection.AsQueryable<TEntity>().Where(predicate)).GetMongoQuery();


            var memberInitExpression = updateExpression.Body as MemberInitExpression;

            foreach (MemberBinding binding in memberInitExpression.Bindings)
            {
                string propertyName = binding.Member.Name;
            }

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public void Inc(Expression<Func<T, bool>> predicate, Expression<Func<T, T>> updateExpression) 
{
    var propertyNamesAndValues = new Dictionary<string, int>();

    var query = ((MongoQueryable<T>)this.collection.AsQueryable<T>().Where(predicate)).GetMongoQuery();

    var memberInitExpression = (MemberInitExpression)updateExpression.Body;
    if (memberInitExpression == null)
        throw new ArgumentException("The update expression must be of type MemberInitExpression.", "updateExpression");

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public  IEnumerable<T> MapReduce(Expression<Func<T, bool>> predicate,string mapString,string reduceString)
{
    var query = ((MongoQueryable<T>)this.collection.AsQueryable<T>().Where(predicate)).GetMongoQuery();
    var mrResult = this.collection.MapReduce(query, new BsonJavaScript(mapString), new BsonJavaScript(reduceString));
    return  mrResult.GetInlineResultsAs<T>();
}

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function Map() {

	emit(
		{ClientVersion:this.ClientVersion, PublisherId:this.PublisherId},				// how to group
		{SessionCount: 1, userIds:[this.UserId]}	// associated data point (document)
	); 
	
}

function Reduce(key, values) {

jiangzhuo

EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 prefix:*

jiangzhuo

//create config database
E:\MongoDB\bin\mongod.exe -dbpath "E:\MongoDB\dbs\config" -port 20000 -logpath "E:\MongoDB\logs\config" --serviceName "MongoDBConfig" --serviceDisplayName "MongoDBConfig" --configsvr --install
//create shard1 database
E:\MongoDB\bin\mongod.exe -dbpath "E:\MongoDB\dbs\shard1" -port 27018 -logpath "E:\MongoDB\logs\shard1" --serviceName "MongoDBShard1" --serviceDisplayName "MongoDBShard1" --shardsvr --install
//create shard2 database
E:\MongoDB\bin\mongod.exe -dbpath "E:\MongoDB\dbs\shard2" -port 27019 -logpath "E:\MongoDB\logs\shard2" --serviceName "MongoDBShard2" --serviceDisplayName "MongoDBShard2" --shardsvr --install
//create mongos
E:\MongoDB\bin\mongos.exe -port 30000 -configdb localhost:20000 -logpath "E:\MongoDB\logs\mongos" -serviceName "MongoDBRouter" --install
//start service
net start MongoDBConfig

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mongod --shardsvr --replSet shard-a --dbpath F:\MongoDB\db\rs-a-1 --port 30000 --logpath F:\MongoDB\log\rs-a-1.log --nojournal --install --serviceName MongoDB-rs-a-1 -serviceDisplayName MongoDB-rs-a-1
mongod --shardsvr --replSet shard-a --dbpath F:\MongoDB\db\rs-a-2 --port 30001 --logpath F:\MongoDB\log\rs-a-2.log --nojournal --install --serviceName MongoDB-rs-a-2 -serviceDisplayName MongoDB-rs-a-2
mongod --shardsvr --replSet shard-a --dbpath F:\MongoDB\db\rs-a-3 --port 30002 --logpath F:\MongoDB\log\rs-a-3.log --nojournal --install --serviceName MongoDB-rs-a-3 -serviceDisplayName MongoDB-rs-a-3
mongod --shardsvr --replSet shard-b --dbpath F:\MongoDB\db\rs-b-1 --port 30100 --logpath F:\MongoDB\log\rs-b-1.log --nojournal --install --serviceName MongoDB-rs-b-1 -serviceDisplayName MongoDB-rs-b-1
mongod --shardsvr --replSet shard-b --dbpath F:\MongoDB\db\rs-b-2 --port 30101 --logpath F:\MongoDB\log\rs-b-2.log --nojournal --install --serviceName MongoDB-rs-b-2 -serviceDisplayName MongoDB-rs-b-2
mongod --shardsvr -

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//download openssl source from http://www.openssl.org/source/
//extract it to Desktop(or somewhere else)
cd openssl-1.0.1e
mkdir openssl_armv7
make clean
./configure BSD-generic32 --openssldir=/Users/<username>/Desktop/openssl-1.0.1e/openssl_armv7
//edit makefile
//change CC=gcc to CC= /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc
//add argument  -arch armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.1.sdk  for CFLAG
make

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var mongodb = require('mongodb')
    , consoleLog = console.log;

function mongodbAppender(config) {
    var host = config.host || 'localhost'
        , port = config.port || 27017
        , server = new mongodb.Server(host, port, {})
        , db = new mongodb.Db(config.database, server, { safe: true })
        , collection;
    db.open(function (error, client) {

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安装测试服务器，数据盘空间不够，所以需要添加一块。
1、将添加的硬盘安装到机器里；
fdisk -l   查看是否有添加的硬盘；
如果新加的盘是 /dev/hda
2、fdisk  /dev/hda 进行分区
n   新建
输入p为创建主分区
p
 
输入1创建第1个主分区