大约有 10,170 项符合查询结果（耗时：0.0427秒） [XML]
Flatten List in LINQ
I have a LINQ query which returns IEnumerable<List<int>> but i want to return only List<int> so i want to merge all my record in my IEnumerable<List<int>> to only one array.
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How to compare Unicode characters that “look alike”?
I fall into a surprising issue.
10 Answers
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What is a correct mime type for docx, pptx etc?
For older *.doc documents this was enough:
10 Answers
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RegEx: Smallest possible match or nongreedy match
How do I tell RegEx (.NET version) to get the smallest valid match instead of the largest?
3 Answers
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
Some SQL servers have a feature where INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
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What is the most useful script you've written for everyday life? [closed]
Just wondering what little scripts/programs people here have written that helps one with his or her everyday life (aka not work related).
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Reshaping data.frame from wide to long format
I have some trouble to convert my data.frame from a wide table to a long table.
At the moment it looks like this:
9 Answe...
Zero-pad digits in string
I need to cast single figures (1 to 9) to (01 to 09). I can think of a way but its big and ugly and cumbersome. I'm sure there must be some concise way. Any Suggestions
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Writing outputs to log file and console
In Unix shell, I have a env file ( env file defines the parameters required for running the user script like log file name and path, redirect outputs and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the execu...
How to develop a soft keyboard for Android? [closed]
I would like to play around with some ideas and develop a soft keyboard for Android to replace the default one.
4 Answers
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