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mongodb: insert if not exists
...ted Dec 11 '17 at 8:18
penguin2048
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answered May 27 '10 at 18:17
Van Nguy...
Multiple Updates in MySQL
...example:
INSERT INTO table (id,Col1,Col2) VALUES (1,1,1),(2,2,3),(3,9,3),(4,10,12)
ON DUPLICATE KEY UPDATE Col1=VALUES(Col1),Col2=VALUES(Col2);
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
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64
You can download a Java Portable from PortableApps.com. It will not change your system settings....
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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logpath=/home/apps/tokumx/logs/tokumx.log
cacheSize=10G
oplogSize=10240
fork = true
port = 27017
dbpath=/home/apps/tokumx/data
replSet=ReplSetName
expireOplogDays=14
./mongod -f tokumx.conf 启动，可使用客户端工具MongoVUE连接访问。
以下介绍TokuMX 集群的配置方...
PostgreSQL error 'Could not connect to server: No such file or directory'
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104
Check there is no postmaster.pid in your postgres directory, probably /usr/local/var/postgres/
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Wildcards in jQuery selectors
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edited Jul 8 '12 at 17:47
answered Mar 21 '11 at 10:35
n...
How to make lists contain only distinct element in Python? [duplicate]
... Mark ByersMark Byers
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How to close current tab in a browser window?
...ndow.close();
or you can specify a different window.
So:
function close_window() {
if (confirm("Close Window?")) {
close();
}
}
with HTML:
<a href="javascript:close_window();">close</a>
or:
<a href="#" onclick="close_window();return false;">close</a>
You r...
How to determine height of UICollectionView with FlowLayout
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254
Whoa! For some reason, after hours of research, I now found a pretty easy answer to my question:...