大约有 555 项符合查询结果（耗时：0.0134秒） [XML]
Surrogate vs. natural/business keys [closed]
...d to the EOF on disk. If you use less sequential data such as text or GUID(UUID), there will be a lot more disk IO and effort to balance the index, I think that's kind of big difference
– Jin
May 2 '16 at 20:42
...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...改为：
然后编译：
[root@mail pam_mysql]# make
然后报错“make: *** [dynamic/pam_mysql.o] Error 1”无法尽心，没有生成pam_mysql.so模块。
A:
装mysql的devel和shared包吧，对应版本的，用mysql.com上面的就行
QUOTE:
Q：
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...: cannot open shared object file: No such file or directory"。
若postfix报错postfix: fatal: parameter inet_interfaces: no local interface found for ::1
则 vi /etc/postfix/main.cf修改配置：
inet_interfaces = all
install_root: [/]
tempdir: [/root/postfix-2.9.1] /tmp/postfix
config_...
Best Practices for securing a REST API / web service [closed]
...e /me/orders instead of /user/654321/orders.
Don't auto-increment IDs. Use UUID instead.
If you are parsing XML files, make sure entity parsing is not enabled to avoid XXE (XML external entity attack).
If you are parsing XML files, make sure entity expansion is not enabled to avoid Billion Laughs/XM...
Using an RDBMS as event sourcing storage
...sights on some of the choices we made.
Firstly we found (even with unique UUIDs/GUIDs instead of integers) for many reasons sequential IDs occur for strategic reasons, thus just having an ID wasn't unique enough for a key, so we merged our main ID key column with the data/object type to create what...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...务如下图所示，主机成功获取到从机的服务，例如获取到UUID为0xFFF0的Services，该Service有两个特征值，分别是具有读写属性的0xFFF1，以及具有通知属性的0xFFF2。读写属性是指主机可以读写该特征值的内容。而通知属性是指从机可...
What is the maximum possible length of a query string?
... backend engineers that we won't accept a list of one hundred 36 character UUIDs in the queryParams of a GET request. Thanks!
– Mordred
Jan 15 at 22:37
add a comment
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嵌套块验证失败：未知的代码块类型: procedures_ifreturn，已拒绝添加 - AI...
...添加该组件
修复的必要性不大，中间那个是chrome的报错。其余ai改了，但是必要性不大，算了。代码块添加失败，工作区已恢复: 块 component_event: Assertion failed: Error: "component_get_get" is an unknown language block.
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&nb...
Difference between partition key, composite key and clustering key in Cassandra?
...wo int,
k_clust_one text,
k_clust_two int,
k_clust_three uuid,
data text,
PRIMARY KEY((k_part_one, k_part_two), k_clust_one, k_clust_two, k_clust_three)
);
Behind these names ...
The Partition Key is responsible for data distribution across your nodes.
The C...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...red with MessagePack.
BSON has special types like "ObjectId", "Min key", "UUID" or "MD5" (I think these types are required by MongoDB). These types are not compatible with JSON. That means some type information can be lost when you convert objects from BSON to JSON, but of course only when these sp...