大约有 40,000 项符合查询结果(耗时:0.0666秒) [XML]

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Create an array or List of all dates between two dates [duplicate]

... As for padding values with defaults in a time-series, you could enumerate all the dates in the full date-range, and pick the value for a date directly from the series if it exists, or the default otherwise. For example: var paddedSeries = fullDates.ToDictionary(date => date, date => timeSeri...
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C# DateTime.Now precision

...ith DateTime.UtcNow while doing some unit tests. It appears that when you call DateTime.Now/UtcNow in rapid succession, it seems to give you back the same value for a longer-than-expected interval of time, rather than capturing more precise millisecond increments. ...
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Search text in stored procedure in SQL Server

I want to search a text from all my database stored procedures. I use the below SQL: 22 Answers ...
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Can I squash commits in Mercurial?

I have a pair of commits that should really be just one. If I was using git, I would use: 8 Answers ...
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Which is more efficient: Multiple MySQL tables or one large table?

I store various user details in my MySQL database. Originally it was set up in various tables meaning data is linked with UserIds and outputting via sometimes complicated calls to display and manipulate the data as required. Setting up a new system, it almost makes sense to combine all of these tabl...
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Running shell command and capturing the output

...True at the end of this answer. The check_output function works on almost all versions of Python still in wide use (2.7+).2 But for more recent versions, it is no longer the recommended approach. Modern versions of Python (3.5 or higher): run If you're using Python 3.5 or higher, and do not need ...
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How do I show my global Git configuration?

I'd like to show all configured Git sections. 12 Answers 12 ...
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Benefits of EBS vs. instance-store (and vice-versa) [closed]

...re's why EBS backed instances can be set so that they cannot be (accidentally) terminated through the API. EBS backed instances can be stopped when you're not using them and resumed when you need them again (like pausing a Virtual PC), at least with my usage patterns saving much more money than I ...
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Package doesn't exist error in intelliJ

... I tried to "Maven > Reimport" but the only thing that actually fixed it was to close the project, delete the .idea directory, and reopen the project. share | improve this answer ...
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PostgreSQL: Show tables in PostgreSQL

...terface, First, choose your database \c database_name Then, this shows all tables in the current schema: \dt Programmatically (or from the psql interface too, of course): SELECT * FROM pg_catalog.pg_tables; The system tables live in the pg_catalog database. ...