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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...般工业界认为比较安全的备份数应该是3份，如：Hadoop和Dynamo）。 但是，加入更多的机器，会让我们的数据服务变得很复杂，尤其是跨服务器的事务处理，也就是跨服务器的数据一致性。这个是一个很难的问题。 让我们用最经典...
How to add Git's branch name to the commit message?
...k on each repository you wish to use it. Though, you can commit the script and copy it on all clones into the .git/hooks/ directory.
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Possible reason for NGINX 499 error codes
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Its happens on my Angular APP if the user closes the tab and my API requests does not get completed.
– Vivek Saurabh
Jun 26 at 7:20
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Size-limited queue that holds last N elements in Java
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That's a good candidate, but, alas, it doesn't use generics :(
– GreyCat
Apr 15 '11 at 10:49
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Split long commands in multiple lines through Windows batch file
How can I split long commands over multiple lines in a batch file?
5 Answers
5
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What is the best way to iterate over a dictionary?
...een a few different ways to iterate over a dictionary in C#. Is there a standard way?
30 Answers
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Creating Threads in python
I have a script and I want one function to run at the same time as the other.
6 Answers
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What is the difference between a HashMap and a TreeMap? [duplicate]
...mple of a SortedMap, which means that the order of the keys can be sorted, and when iterating over the keys, you can expect that they will be in order.
HashMap on the other hand, makes no such guarantee. Therefore, when iterating over the keys of a HashMap, you can't be sure what order they will b...
How to read from stdin line by line in Node
I'm looking to process a text file with node using a command line call like:
6 Answers
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R memory management / cannot allocate vector of size n Mb
...e Matrix package for e.g.) for sparse matrices.
Keep all other processes and objects in R to a minimum when you need to make objects of this size. Use gc() to clear now unused memory, or, better only create the object you need in one session.
If the above cannot help, get a 64-bit machine with a...