大约有 47,000 项符合查询结果(耗时:0.1036秒) [XML]

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Concat all strings inside a List using LINQ

... I am all for LINQ solutions but this is more efficient than LINQ and the Aggregate() method. – andleer Feb 20 '09 at 18:29 ...
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Generate GUID in MySQL for existing Data?

...ch of data to a MySQL table and I have a column "GUID" that I want to basically fill down all existing rows with new and unique random GUID's. ...
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc

I've heard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specifically need. ...
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Query grants for a table in postgres

How can I query all GRANTS granted to an object in postgres? 7 Answers 7 ...
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ListView inside ScrollView is not scrolling on Android

...ements its own scrolling and it just doesn't receive gestures because they all are handled by the parent ScrollView. I strongly recommend you to simplify your layout somehow. For example you can add views you want to be scrolled to the ListView as headers or footers. UPDATE: Starting from API Leve...
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How to unstage large number of files without deleting the content

I accidentally added a lot of temporary files using git add -A 9 Answers 9 ...
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git cherry-pick says “…38c74d is a merge but no -m option was given”

...rticular situation, but using git merge instead of git cherry-pick is generally advisable. When you cherry-pick a merge commit, it collapses all the changes made in the parent you didn't specify to -m into that one commit. You lose all their history, and glom together all their diffs. Your call. ...
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Data structure: insert, remove, contains, get random element, all at O(1)

... of the elements themselves as the keys.... I knew I was close, but this really nails it on the head! – guildner Apr 16 '11 at 6:36 ...
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Update all values of a column to lowercase

... @BjörnC - upper/lower only changes letters; all other characters are unchanged. – ToolmakerSteve Apr 9 '19 at 17:54 ...
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Why is ArrayDeque better than LinkedList

... Also another small disadvantage (for real-time applications) is that on a push/add operation it takes a bit more when the internal array of the ArrayDeque is full, as it has to double its size and copy all the data. – ...