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What is a coroutine?
...t? If it is right, it is just like an un-preemptive OS running on one-core CPU, one process must relinquish CPU to let other tasks run.
– Nan Xiao
Jun 22 '16 at 12:18
...
还原MongoDB中Decimal类型数据 - 更多技术 - 清泛网 - 专注C/C++及内核技术
还原MongoDB中Decimal类型数据问题描述：由于MongoDB没有Decimal类型，我们要将C#的Decimal类型数据存入MongoDB，只能转换为Double类型存储。但是，取出来的数据（原数据...问题描述：
由于MongoDB没有Decimal类型，我们要将C#的Decimal类型数...
Oracle Differences between NVL and Coalesce
...ented differently.
NVL always evaluates both arguments, while COALESCE usually stops evaluation whenever it finds the first non-NULL (there are some exceptions, such as sequence NEXTVAL):
SELECT SUM(val)
FROM (
SELECT NVL(1, LENGTH(RAWTOHEX(SYS_GUID()))) AS val
FROM dual
...
Unable to load DLL 'SQLite.Interop.dll'
Periodically I am getting the following exception:
41 Answers
41
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Quickly find whether a value is present in a C array?
...ned assembly language. I tend to take the path of least resistance - for small routines like this, I just write asm code and have a good idea how many cycles it will take to execute. You may be able to fiddle with the C code and get the compiler to generate good output, but you may end up wasting lo...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...该资产。特别是，MITVRHelper 无法使用资产文件。解决这个问题的方法是将资产文件复制到手机存储的另一部分，并让 MITVRHelper 访问副本。
更尴尬的是：标准 App Inventor 不包含复制文件的操作。幸运的是，由于 Taifun Bär（谢谢 Tai...
Visual Studio 2012 Web Publish doesn't copy files
...recently experienced the same problem when opening the same solution originally created in vs2012RC with VS2012 Express for Web. I did exactly what the original poster suggested and it fixed my problem.
Here is the thread that lead me to the answer:
connect.microsoft.com/VisualStudio/feedback/deta...
Position of least significant bit that is set
...is very slow compared to multiplication on modern hardware. So I wouldn't call it a better solution.
– Apriori
Mar 28 '14 at 1:37
2
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What is the meaning and difference between subject, user and principal?
...utomation, 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 the distinction between the broad clas...
Best XML parser for Java [closed]
I need to read smallish (few MB at the most, UTF-8 encoded) XML files, rummage around looking at various elements and attributes, perhaps modify a few and write the XML back out again to disk (preferably with nice, indented formatting).
...