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collection.find().sort(new Document("offerAmount", 1)).skip(10).limit(30); |
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coll.find().map(new Function<Document, String>() { | |
@Override | |
public String apply(final Document document) { | |
return document.getString("name"); | |
} | |
}).into(names, new SingleResultCallback<List<String>>() { | |
@Override | |
public void onResult(final List<String> names, final Throwable t) { | |
if (t != null) { | |
System.out.println("There was an error: " + t); |
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db.createCollection( "email", { storageEngine: { | |
wiredTiger: { configString: "blockCompressor=zlib" }}}) |
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String xmlString = convertMapToXML(data); | |
<data> | |
<name>buzz</name> | |
<lastUpdate>20140606</lastUpdate> | |
<pets> | |
<pet>dog</pet> | |
<pet>cat</pet> | |
</pets> | |
<milestones> |
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actionArray = [ | |
function one(cb) { | |
someAsyncFunction(params, function(err, results) { | |
if (err) { | |
cb(new Error(“There was an error”)); | |
} | |
console.log(“one”); | |
cb(null); | |
}); | |
}, |
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dump/ | |
└── [4.3M] country | |
├── [2.1M] austria.bson | |
├── [ 87] austria.metadata.json | |
├── [2.1M] nigeria.bson | |
├── [ 87] nigeria.metadata.json | |
└── [ 140] system.indexes.bson | |
1 directory, 5 files |
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<dependency> | |
<groupId>org.mongodb.mongo-hadoop</groupId> | |
<artifactId>mongo-hadoop-core</artifactId> | |
<version>1.4.0</version> | |
</dependency> |
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compile 'org.mongodb.mongo-hadoop:mongo-hadoop-core:1.4.0' |
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foo:PRIMARY> rs.printReplicationInfo() | |
configured oplog size: 192MB | |
log length start to end: 897secs (0.25hrs) | |
oplog first event time: Wed Jul 15 2015 13:21:10 GMT-0700 (PDT) | |
oplog last event time: Wed Jul 15 2015 13:36:07 GMT-0700 (PDT) | |
now: Wed Jul 15 2015 13:36:46 GMT-0700 (PDT) |
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replset:PRIMARY> rs.stepDown() | |
2015-06-16T16:01:25.298-0400 I NETWORK DBClientCursor::init call() failed | |
2015-06-16T16:01:25.303-0400 E QUERY Error: error doing query: failed | |
at DBQuery._exec (src/mongo/shell/query.js:83:36) | |
at DBQuery.hasNext (src/mongo/shell/query.js:240:10) | |
at DBCollection.findOne (src/mongo/shell/collection.js:187:19) | |
at DB.runCommand (src/mongo/shell/db.js:58:41) | |
at DB.adminCommand (src/mongo/shell/db.js:66:41) | |
at Function.rs.stepDown (src/mongo/shell/utils.js:1001:43) | |
at (shell):1:4 at src/mongo/shell/query.js:83 |