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DateTime “null” value
I've been searching a lot but couldn't find a solution. How do you deal with a DateTime that should be able to contain an uninitialized value (equivalent to null)? I have a class which might have a DateTime property value set or not. I was thinking of initializing the property holder to DateTime.Min...
Excel: last character/string match in a string
Is there an efficient way to identify the last character/string match in a string using base functions? I.e. not the last character/string of the string, but the position of a character/string's last occurrence in a string. Search and find both work left-to-right so I can't think how t...
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How to add folder to assembly search path at runtime in .NET?
My DLLs are loaded by a third-party application, which we can not customize. My assemblies have to be located in their own folder. I can not put them into GAC (my application has a requirement to be deployed using XCOPY).
When the root DLL tries to load resource or type from another DLL (in the same...
Internal Error 500 Apache, but nothing in the logs?
I'm getting 500 Internal Server errors when I try to make an HTTP POST to a specific address in my app. I've looked into the server logs in the custom log directory specified in the virtual hosts file, but the error doesn't show up there so debugging this has been a pain in the ass.
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What is the Windows version of cron? [closed]
A Google search turned up software that performs the same functions as cron, but nothing built into Windows.
15 Answers
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Does MongoDB's $in clause guarantee order
When using MongoDB's $in clause, does the order of the returned documents always correspond to the order of the array argument?
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记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...本情况，当我浏览MongoDB日志时，发现一些警告信息：
WARNING: You are running on a NUMA machine. We suggest launching mongod like this to avoid performance problems: numactl –interleave=all mongod [other options]
当时我并不太清楚NUMA是什么东西，所以没有处...
Add string in a certain position in Python
Is there any function in Python that I can use to insert a value in a certain position of a string?
8 Answers
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Why is the order in dictionaries and sets arbitrary?
I don't understand how looping over a dictionary or set in python is done by 'arbitrary' order.
6 Answers
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