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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...集群的数量为偶数也是可以运行的，参考这个文章http://www.itpub.net/thread-1740982-1-1.html。后来突然看了一篇stackoverflow的文章终于顿悟了，mongodb本身设计的就是一个可以跨IDC的分布式数据库，所以我们应该把它放到大的环境来看。
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Is there a Java reflection utility to do a deep comparison of two objects?
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See DeepEquals and DeepHashCode() within java-util: https://github.com/jdereg/java-util
This class does exactly what the original author requests.
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Is there a shortcut to move between header and source file in VC++?
...ry Visual Assist, which sports this very feature (amongst others):
http://www.wholetomato.com/
The code browsing functionality -- of which the header/cpp swap is one part -- are really good.
(I also really rated its intellisense and refactoring features, but not everybody I've spoken to has agree...
html tables: thead vs th
...ong with the contents of the cells to which they apply.
Source: http://www.w3.org/TR/html4/struct/tables.html
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Reading my own Jar's Manifest
...t;
</dependency>
Also, see this blog post for more details: http://www.yegor256.com/2014/07/03/how-to-read-manifest-mf.html
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Query to list number of records in each table in a database
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A snippet I found at http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=21021 that helped me:
select t.name TableName, i.rows Records
from sysobjects t, sysindexes i
where t.xtype = 'U' and i.id = t.id and i.indid in (0,1)
order by TableName;
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How to detect if CMD is running as Administrator/has elevated privileges?
...rk; see this excellent answer instead.
Found this solution here: http://www.robvanderwoude.com/clevertricks.php
AT > NUL
IF %ERRORLEVEL% EQU 0 (
ECHO you are Administrator
) ELSE (
ECHO you are NOT Administrator. Exiting...
PING 127.0.0.1 > NUL 2>&1
EXIT /B 1
)
Ass...
how to make a whole row in a table clickable as a link?
...ax, you can execute the link click like so: onClick={() => window.open('https://stackoverflow.com/', '_blank')}
– Louie Bertoncin
Jul 9 '17 at 15:52
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Python Process Pool non-daemonic?
...written a more expanded wrapper class around pathos.multiprocessing here:
https://github.com/JamesMcGuigan/python2-timeseries-datapipeline/blob/master/src/util/MultiProcessing.py
As a side note, if your usecase just requires async multiprocess map as a performance optimization, then joblib will ma...
How do I check if file exists in jQuery or pure JavaScript?
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With jQuery:
$.ajax({
url:'http://www.example.com/somefile.ext',
type:'HEAD',
error: function()
{
//file not exists
},
success: function()
{
//file exists
}
});
EDIT:
Here is the code for checking 404 status, wit...