大约有 500 项符合查询结果(耗时:0.0217秒) [XML]
Hibernate JPA Sequence (non-Id)
...
I fixed the generation of UUID (or sequences) with Hibernate using @PrePersist annotation:
@PrePersist
public void initializeUUID() {
if (uuid == null) {
uuid = UUID.randomUUID().toString();
}
}
...
Hash function that produces short hashes?
...thon again like the accepted answer):
import base64
import hashlib
import uuid
unique_id = uuid.uuid4()
# unique_id = UUID('8da617a7-0bd6-4cce-ae49-5d31f2a5a35f')
hash = hashlib.sha1(str(unique_id).encode("UTF-8"))
# hash.hexdigest() = '882efb0f24a03938e5898aa6b69df2038a2c3f0e'
result = base64.b...
How to check task status in Celery?
...t like this:
import celery
from celery_app import add
from celery import uuid
task_id = uuid()
result = add.apply_async((2, 2), task_id=task_id)
Now you know exactly what the task_id is and can now use it to get the AsyncResult:
# grab the AsyncResult
result = celery.result.AsyncResult(task_i...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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You can use UUID(Universally Unique Identifier), it can be used for any purpose, from user authentication string to payment transaction id.
A UUID is a 16-octet (128-bit) number. In its canonical form, a UUID is represented by 32 hexade...
Distributed sequence number generation?
...e unique IDs on the clients themselves, using an approach derived from how UUIDs and Snowflake's IDs are made. There are multiple options, but something along the lines of:
The most significant 40 or so bits: A timestamp; the generation time of the ID. (We're using the most significant bits for th...
AI 伴侣报错:Error 908: The permission CAMERA has been denied. Please ...
解决方法:手机设置中 开启 AI伴侣的照相机权限。
大模型拓展调用报错,已解决 - 用户反馈 - 清泛IT社区,为创新赋能!
Error 3300: Error 400 in
Mi extension LLMAI2Ext:
HTTP Error 400: {"error":
{"message":"Invalid request: the message at position 0 with role 'user' must not be empty" "type":"invalid_request _error"}}
解决中。
这个是拓展报的错,...
apk安装报错:packageInfo is null? - 用户反馈 - 清泛IT社区,为创新赋能!
编译设置问题,包名中没有英文点.,已修复,加了包名验证提示。
Generating random strings with T-SQL
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Do not use RIGHT/SUBSTRING to truncate an UUID since it will be neither unique nor random due to the way UUIDs are generated!
– ooxi
Apr 11 '14 at 7:42
...
How to generate a new Guid in stored procedure?
...
In MySQL it is UUID().
so the query would be:
insert into cars
(id, Make, Model)
values(UUID(), "Ford", "Mustang")
if you want to reuse the uuid you can do it like this:
set @id=UUID();
insert into cars
(id, Make, Model)
values(@id, "Fo...
