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Is MD5 still good enough to uniquely identify files?
... use wasn't the intent and is likely to require more thinking than using a uuid or similar integrity mechanism.
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What is __declspec and when do I need to use it?
... For declaring COM interfaces and classes, for example, you use __declspec(uuid), for exporting functions sans a DEF file you use __declspec(dllexport), etc. The full list is quite long.
– Seva Alekseyev
Feb 17 '10 at 21:49
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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...
...{"$Name":"按钮1","$Type":"Button","$Version":"7","Text":"按钮1文本","Uuid":"673191802"}],"$blocks":["<xml><block xmlns=\"http://www.w3.org/1999/xhtml\" type=\"component_event\" id=\"94kD8o9tHFtfg-o3Hr8=\" x=\"353\" y=\"-117\"><mutation component_type=\"Button\" is_generic=\"false\" instance_na...
MAC addresses in JavaScript
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@Michael Wikipedia lists several UUID implementations
– Vincent Robert
Dec 11 '13 at 10:41
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
... not correct. In latest Postgres this leads also to the message like "Key (uuid)=(3a533772-07ac-4e76-b577-27a3878e2222) is duplicated. Query failed" if you have a value that is not unique...
– Strinder
Dec 3 '15 at 7:39
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When to use CouchDB over MongoDB and vice versa
...pty value is translated to a special prefix (like null:) concatenated to a uuid. This is a real headache, because one has to take care of transforming to/from the empty values when writing/quering/reading. A major nuisance.
I have never used server side jav
Using querySelector with IDs that are numbers
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UUIDs can start by a number.
– Alfonso Nishikawa
Mar 15 '18 at 12:54
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JPA EntityManager: Why use persist() over merge()?
...e was no field that JPA was generating for me--the primary key field was a UUID that I set myself. I switched to em.persist(myEntityObject) and got just INSERT statements then.
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How do I migrate an SVN repository with history to a new Git repository?
....com/myrepo/<branchname/trunk>@<RevisionNumber> <Repository UUID>)
If a user name is not found, update your users.txt file then:
cd dest_dir-tmp
git svn fetch
You might have to repeat that last command several times, if you have a large project, until all of the Subversion comm...
ssl证书申请报错：challenge = [c for c in authorization[\'challenges\']...
... index out of range
原因：ACME不支持 *.xxx.com 通用域名，必须指定 a.xxx.com, b.xxx.com（DNS-01 challenge支持通配符）
参考：https://github.com/diafygi/acme-tiny/issues/213
acme ssl dns