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Remove by _id in MongoDB console
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I tried this: TimeAndSpace.remove( {"_id": ObjectId("8Bd2dZ778LXejYNrL")}); ...and I got, "Uncaught ReferenceError: ObjectId is not defined at <anonymous>:2:13"
– B. Clay Shannon
Aug 11 '15 at 2:57
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iOS: Access app-info.plist variables in code
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answered Mar 2 '12 at 8:24
DamoDamo
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How to get whole and decimal part of a number?
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180
$n = 1.25;
$whole = floor($n); // 1
$fraction = $n - $whole; // .25
Then compare against...
How to count the number of set bits in a 32-bit integer?
8 bits representing the number 7 look like this:
55 Answers
55
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Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?
...ntire application using JavaFX and run it on iOS, Android or Windows Phone 8, without writing platform-specific code?
5 Ans...
CHECK constraint in MySQL is not working
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8 Answers
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Disable IntelliJ Starred (Package) Imports?
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answered Aug 28 '10 at 7:30
Colin HebertColin Hebert
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How to pass parameters to ThreadStart method in Thread?
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answered Jul 29 '10 at 8:19
Marc Gravell♦Marc Gravell
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...好了，安装软件！
1、准备机器，IP分别设置为： 192.168.0.136、192.168.0.137、192.168.0.138。
2、分别在每台机器上建立mongodb分片对应测试文件夹。
#存放mongodb数据文件
mkdir -p /data/mongodbtest
#进入mongodb文件夹
cd /data/mongodbtest
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