大约有 25,400 项符合查询结果（耗时：0.0513秒） [XML]
How do I rename a column in a database table using SQL?
If I wish to simply rename a column (not change its type or constraints, just its name) in an SQL database using SQL, how do I do that? Or is it not possible?
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How to extract a substring using regex
...gular expression with a Matcher:
"'(.*?)'"
Example:
String mydata = "some string with 'the data i want' inside";
Pattern pattern = Pattern.compile("'(.*?)'");
Matcher matcher = pattern.matcher(mydata);
if (matcher.find())
{
System.out.println(matcher.group(1));
}
Result:
the data i want
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Convert hyphens to camel case (camelCase)
With regex (i assume) or some other method, how can i convert things like:
13 Answers
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Select last row in MySQL
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Yes, there's an auto_increment in there
If you want the last of all the rows in the table, then this is finally the time where MAX(id) is the right answer! Kind of:
SELECT fields FROM table ORDER BY id DESC LIMIT 1;
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MongoDb query condition on comparing 2 fields
... for exact matches between dates in queries. One workaround is using .getTime() to convert to milliseconds or whatever: this.startDate.getTime() == ISODate("2017-01-20T10:55:08.000Z").getTime()
– leinaD_natipaC
Oct 1 '19 at 10:28
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Serializing with Jackson (JSON) - getting “No serializer found”?
...y rule. Jackson 1.9 provides the ObjectMapper.setVisibility() convenience method for doing so. For the example in the original question, I'd likely configure this as
myObjectMapper.setVisibility(JsonMethod.FIELD, Visibility.ANY);
For Jackson >2.0:
myObjectMapper.setVisibility(PropertyAccess...
Auto Scale TextView Text to Fit within Bounds
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Future readers, remember to add implementation 'com.android.support:support-compat:28.0.0' in app/build.gradle for the app: ... attributes to work.
– daka
Jan 28 '19 at 18:53
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ResourceDictionary in a separate assembly
I have resource dictionary files (MenuTemplate.xaml, ButtonTemplate.xaml, etc) that I want to use in multiple separate applications. I could add them to the applications' assemblies, but it's better if I compile these resources in one single assembly and have my applications reference it, right?
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Remove all the children DOM elements in div
I have the following dojo codes to create a surface graphics element under a div:
7 Answers
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how to display full stored procedure code?
...se pg_proc to get the source of your stored procedures. pgAdmin does the same.
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