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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?
...
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...
Generating random strings with T-SQL
...
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...
LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...法找到。
500 100 内部服务器错误：ASP 错误。
501 标题值指定的配置没有执行。
502 Web 服务器作为网关或代理服务器时收到无效的响应。
并发数分析
“Running Vusers（运行的并发数）”显示了在场景执行过程中并发数...
背包：将代码块复制并粘贴到不同的屏幕和项目 · App Inventor 2 中文网
...组件时也会发生这种情况。 通过添加缺少的组件并为其指定与粘贴块中引用的名称相同的名称，可以删除（修复）错误。
可以从背包中移除代码块吗？
要从背包中移除所有块，请右键单击背包，然后选择“清空背包”。 要...
How to handle many-to-many relationships in a RESTful API?
...going to make that easier.
Relationship IDs probably ought to be based on UUIDs or something equally long and random, irrespective of whatever type of IDs you use for teams and players. That will let you use the same UUID as the ID component for each end of the relationship without worrying about c...
App Inventor 2 控制代码块 · App Inventor 2 中文网
...不接受结果的上下文中调用它。
打开另一屏幕
打开指定名称的屏幕，屏幕名可以从连接的屏幕名称下拉块中选择。
如果你确实打开了另一个屏幕，则应在返回主屏幕时将其关闭以释放系统内存。 离开屏幕时未能关闭屏幕...
App Inventor 2 列表的函数式编程 · App Inventor 2 中文网
...比较器块的排序。
该块接受两个输入：1) 输入列表和 2) 指定输入列表排序顺序的主体块。
body 块是一个涉及 item1 和 item2 的布尔表达式，返回 真 或 假。
给定的变量名称 item1 和 item2 指的是正在比较的两个当前列表项。
为了...