大约有 230 项符合查询结果（耗时：0.0083秒） [XML]
Difference between __str__ and __repr__?
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This is true because for obj = uuid.uuid1(), obj.__str__() is "2d7fc7f0-7706-11e9-94ae-0242ac110002" and obj.__repr__() is "UUID('2d7fc7f0-7706-11e9-94ae-0242ac110002')". Developers need (value + origin) whereas customers need a value and they don't care h...
Create a unique number with javascript time
...presentation, not sure though, but i can see the problem, if you call your uuid generator often enough, only last 3 chars are changing so the chances are high that you will get into a collision. You get much better odds if you just stick to new Date.getTime() calls. But hey if it worked for your pur...
Check if value exists in Postgres array
... value exists or not is as simple as using IN or NOT IN.
e.g.
id => uuid
exception_list_ids => uuid[]
select * from table where id NOT IN (select unnest(exception_list_ids) from table2)
share
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How can I remove specific rules from iptables?
...d temporary rule with some comment:
comment=$(cat /proc/sys/kernel/random/uuid | sed 's/\-//g')
iptables -A ..... -m comment --comment "${comment}" -j REQUIRED_ACTION
2. When the rule added and you wish to remove it (or everything with this comment), do:
iptables-save | grep -v "${comment}" | ip...
凤姐当天使 徐小平胡海泉薛蛮子王刚怎么看？ - 资讯 - 清泛网 - 专注C/C++...
...织的搭建，核心VP选人方面，你有没有贡献、有没有帮他筛选，一个企业的成功，这三个方面是非常重要的。选场地是有附加的价值，有的不一定要你的场所，你有自己公司的文化，他一定要自己装饰。所以我觉得更重要的是，...
Is a GUID unique 100% of the time?
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Wouldn't they be called a UUID, then? ;)
– Arafangion
May 8 '09 at 6:23
30
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Check if application is on its first run [duplicate]
....io.IOException;
import java.io.RandomAccessFile;
import java.util.UUID;
import android.content.Context;
public class Util {
// ===========================================================
//
// ===========================================================
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What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
...have a host of things to worry about all centered around the proper use of UUID. Basically, the UUID is a way to "version" an object you would serialize so that whatever process is de-serializing knows that it's de-serializing properly. I would look at Ensure proper version control for serialized ob...
How to resize a VirtualBox vmdk file
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The UUIDs mismatch after doing this (and replacing the original drive). VirtualBox 5.1.12 won't update the UUID automatically. I had to remove the hard drive from the list of known hard drives (File -> Virtual Media Manager) a...
How should I store GUID in MySQL tables?
... For the curious, these functions are superior to just UNHEX(REPLACE(UUID(),'-','')) because it arranges the bits in an order that will perform better in a clustered index.
– Slashterix
Feb 2 '14 at 1:28
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