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What is the meaning and difference between subject, user and principal?
...s. They may represent human users, automation, applications, connections, etc.
User - A subset of principal usually referring to a human operator. The distinction is blurring over time because the words "user" or "user ID" are commonly interchanged with "account". However, when you need to make t...
ContinuousSpeech 连续语音识别扩展：持续语音识别无需重复启动 · App Inventor 2 中文网
...布
1.1
2022-02-16
修复 Android 11 兼容性问题，增加属性与改进
1.2
2022-09-01
添加语言选择功能
工作原理
状态流程图
扩展内部通过持续重启 SpeechR...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...orge.net) which allowed you to compile C into Lua, Javascript, Perl, LISP, etc. It ruthlessly exploited the undefined behaviour in the C standard to make pointers work. It may be interesting to try this test on it.
– David Given
Aug 11 '10 at 12:29
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What is the string length of a GUID?
...do here is to store it as uniqueidentifier - this is then fully indexable, etc. at the database. The next-best option would be a binary(16) column: standard GUIDs are exactly 16 bytes in length.
If you must store it as a string, the length really comes down to how you choose to encode it. As hex (A...
Checking to see if one array's elements are in another array in PHP
... checked the performance of each. The interesting thing is that the total CPU time, i.e. user time + system time is the same for PHP5.6 and the memory also is the same. The total CPU time under PHP5.4 is less for in_array than array_intersect, albeit marginally so.
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Most efficient T-SQL way to pad a varchar on the left to a certain length?
...hZeros from Tally
SET STATISTICS TIME OFF
SQL Server Execution Times:
CPU time = 2157 ms, elapsed time = 2696 ms.
SET STATISTICS TIME ON
select right('0000000000'+ rtrim(cast(N as varchar(5))), 10) from Tally
SET STATISTICS TIME OFF
SQL Server Execution Times:
CPU time = 31 ms, elapsed...
How can I profile C++ code running on Linux?
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With clang/clang++, one might consider using gperftools's CPU profiler. Caveat: Have not done so myself.
– einpoklum
Oct 14 '19 at 14:27
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Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...试产品是否符合标准，导致 802.11 产品间的互通频频出现问题，而联盟的成立就是为了填补这一空缺。联盟还将推广符合 802.11 标准的无线网络技术作为己任，因此他们认为需要一个朗朗上口的名字来代替拗口的专业术语（呃…...
When would I use XML instead of SQL? [closed]
... is storing all of my data in a (My)SQL database and then using PHP/Python/etc. to work with it on the web as needed.
13 An...
RadioButton单选按钮扩展集合 · App Inventor 2 中文网
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RadioButton单选按钮扩展
本页面收录了多个RadioButton（单选按钮）扩展，为App Inventor应用提供了单选按钮功能。...