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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...下获取数据的接口有什么问题？
1、通过各大微博的搜索api。就比如新浪微博API针对一个服务器IP的请求次数，普通权限限制是一个小时1w次，最高权限合作授权一个小时4w次。使用应用时还需要有足够的用户，单用户每个应...
自动生成Linux下Makefile全攻略（automake原理） - C/C++ - 清泛网 - 专注C/C++及内核技术
...le文件
2、make 输出二进制
3、make install 安装二进制到指定目录
make及make install的规则都需要参照Makefile文件，而Makefile是自动生成的，大家有兴趣可以查看下Makefile，代码很长很复杂。当然我们可以直接在Makefile文件中写编译...
How can I use UUIDs in SQLAlchemy?
Is there a way to define a column (primary key) as a UUID in SQLAlchemy if using PostgreSQL (Postgres)?
9 Answers
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Is there any difference between a GUID and a UUID?
...und, and I was wondering if there are any differences between a GUID and a UUID?
6 Answers
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Create a GUID in Java
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Have a look at the UUID class bundled with Java 5 and later.
For example:
If you want a random UUID you can use the randomUUID method.
If you want a UUID initialized to a specific value you can use the UUID constructor or the fromString met...
Which UUID version to use?
Which version of the UUID should you use? I saw a lot of threads explaining what each version entails, but I am having trouble figuring out what's best for what applications.
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泡在Stack Overflow答题30天 - 创意 - 清泛网 - 专注C/C++及内核技术
...是如何使用Stack Overflow的话，我的答案就是：打开网页，搜索问题，查看Stack Overflow的搜索结果，参...想法的萌芽
如果非要总结下我多年来是如何使用Stack Overflow的话，我的答案就是：打开网页，搜索问题，查看Stack Overflow的搜...
Generating v5 UUID. What is name and namespace?
... and namespace can be used to create a hierarchy of (very probably) unique UUIDs.
Roughly speaking, a type 3 or type 5 UUID is generated by hashing together a namespace identifier with a name. Type 3 UUIDs use MD5 and type 5 UUIDs use SHA1. Only 128-bits are available and 5 bits are used to specify...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
I would like an efficient utility to generate unique sequences of bytes. UUID is a good candidate but UUID.randomUUID().toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string.
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When are you truly forced to use UUID as part of the design?
I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible.
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