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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...70000|1 } } nscanned:1 nupdated:1 fastmod:1 keyUpdates:0 locks(micros) w:132015 132ms
检查从主机的数据。
mongo 127.0.0.1
查看当前数据库。
> show dbs;
local 0.203125GB
test 0.203125GB
use test;
db.testdb.find();
{ "_id" : ObjectId("5284e5cb1f4eb215b2ecc463"), "t...
Correctly determine if date string is a valid date in that format
...et. Originally written by Glavić.]
Test cases:
var_dump(validateDate('2013-13-01')); // false
var_dump(validateDate('20132-13-01')); // false
var_dump(validateDate('2013-11-32')); // false
var_dump(validateDate('2012-2-25')); // false
var_dump(validateDate('2013-12-01')); // true
var_dump(...
How can I clear an HTML file input with JavaScript?
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edited Jun 20 '15 at 2:07
answered Jul 7 '14 at 10:05
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How do I convert a decimal to an int in C#?
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edited Aug 31 '09 at 13:20
answered Feb 1 '09 at 16:31
ja...
How to export and import environment variables in windows?
...registry.
– Alexander
May 15 '17 at 20:14
add a comment
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How to list all users in a Linux group?
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20 Answers
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How to extract the n-th elements from a list of tuples?
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edited Mar 6 '19 at 20:33
cs95
231k6060 gold badges391391 silver badges456456 bronze badges
answer...
Selecting last element in JavaScript array [duplicate]
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DatageekDatageek
20.6k66 gold badges5050 silver badges6363 bronze badges
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HTTP GET request in JavaScript?
...tion() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
callback(xmlHttp.responseText);
}
xmlHttp.open("GET", theUrl, true); // true for asynchronous
xmlHttp.send(null);
}
sh...