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记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...在网络上找到一篇：MongoDB Pre-Splitting for Faster Data Loading and Importing，看上去和我的问题很类似，不过他的问题实质是由于自动分片导致数据迁移所致，解决方法是使用手动分片，而我并没有使用自动分片，自然不是这个原因。
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Import SQL dump into PostgreSQL database
We are switching hosts and the old one provided a SQL dump of the PostgreSQL database of our site.
15 Answers
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How to prepare a Unity project for git? [duplicate]
... eg. github? I don't want to store unnecessary files (specially temp files and avoid binary formats as much as possible).
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How do you convert a jQuery object into a string?
... a new node to wrap the item of interest, do the manipulations, remove it, and grab the HTML.
If you're just after a string representation, then go with new String(obj).
Update
I wrote the original answer in 2009. As of 2014, most major browsers now support outerHTML as a native property (see, fo...
round() doesn't seem to be rounding properly
...documentation for the round() function states that you pass it a number, and the positions past the decimal to round. Thus it should do this:
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Can a Byte[] Array be written to a file in C#?
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Lets say, I have received compressed data, and I have decompressed it to Byte[]. Is it possible to create the file back using above function ? Any tutorial or demo online ?
– Cannon
Jun 15 '11 at 3:52
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How do I see the extensions loaded by PHP?
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Running php -m will give you all the modules, and php -i will give you a lot more detailed information on what the current configuration.
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Apache VirtualHost 403 Forbidden
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I've added this directive to /etc/apache2/apache2.conf and it helped, thank you!
– DmitMedv
Sep 26 '15 at 20:58
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The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
... mentioned in comments, in Entity Framework 6 EntityFunctions is obsolete, and you should use DbFunctions class, which is shipped with Entity Framework.
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IOS: verify if a point is inside a rect
... point to examine.
Return Value
true if the rectangle is not null or empty and the point is located within the rectangle; otherwise, false.
A point is considered inside the rectangle if its coordinates lie inside the rectangle or on the minimum X or minimum Y edge.
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