大约有 11,287 项符合查询结果（耗时：0.0289秒） [XML]
How to convert a String into an ArrayList?
In my String, I can have an arbitrary number of words which are comma separated. I wanted each word added into an ArrayList. E.g.:
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When should I use a composite index?
For example, I have a homes table:
9 Answers
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What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
On the EJS github page, there is one and only one simple example:
https://github.com/visionmedia/ejs
13 Answers
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How to convert a char to a String?
... string concatenation works as a shortcut as well:
String s = "" + 's';
But this compiles down to:
String s = new StringBuilder().append("").append('s').toString();
which is less efficient because the StringBuilder is backed by a char[] (over-allocated by StringBuilder() to 16), only for that ...
phpunit mock method multiple calls with different arguments
...ferent mock-expects for different input arguments? For example, I have database layer class called DB. This class has method called "Query ( string $query )", that method takes an SQL query string on input. Can I create mock for this class (DB) and set different return values for different Query met...
Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
...ypically store that type of info. I wouldn't expect the full stacktrace to be dumped to standard out.
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How to open multiple pull requests on GitHub
When I open a pull request on GitHub .
All commits since my last request and all new ones are automatically added to this request .
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How can I get column names from a table in Oracle?
I need to query the database to get the column names , not to be confused with data in the table. For example, if I have a table named EVENT_LOG that contains eventID , eventType , eventDesc , and eventTime , then I would want to retrieve those field names from the query and nothing else.
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git diff two files on same branch, same commit
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You don't need git for that, just use diff fileA.php fileB.php (or vimdiff if you want side by side comparison)
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MySQL Cannot Add Foreign Key Constraint
So I'm trying to add Foreign Key constraints to my database as a project requirement and it worked the first time or two on different tables, but I have two tables on which I get an error when trying to add the Foreign Key Constraints.
The error message that I get is:
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