大约有 40,000 项符合查询结果(耗时:0.0274秒) [XML]

https://stackoverflow.com/ques... 

Is there a way to automatically generate getters and setters in Eclipse?

...nu (i.e. right click) in the source code window of the desired class. Then select the Source submenu; from that menu selecting Generate Getters and Setters... will cause a wizard window to appear. Source -> Generate Getters and Setters... Select the variables you wish to create getters and sett...
https://stackoverflow.com/ques... 

How do I get a list of column names from a psycopg2 cursor?

I would like a general way to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature. ...
https://stackoverflow.com/ques... 

Get table column names in MySQL?

...DESCRIBE my_table; Or in newer versions you can use INFORMATION_SCHEMA: SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'my_database' AND TABLE_NAME = 'my_table'; Or you can use SHOW COLUMNS: SHOW COLUMNS FROM my_table; ...
https://stackoverflow.com/ques... 

Spring Boot JPA - configuring auto reconnect

...1.3 spring.datasource.testOnBorrow=true spring.datasource.validationQuery=SELECT 1 As djxak noted in the comment, 1.4+ defines specific namespaces for the four connections pools Spring Boot supports: tomcat, hikari, dbcp, dbcp2 (dbcp is deprecated as of 1.5). You need to check which connection po...
https://stackoverflow.com/ques... 

Entity Framework and SQL Server View

...mn as a primary key, use NULLIF. An easy way to apply this is to wrap the select statement of your view in another select. Example: SELECT ISNULL(MyPrimaryID,-999) MyPrimaryID, NULLIF(AnotherProperty,'') AnotherProperty FROM ( ... ) AS temp ...
https://stackoverflow.com/ques... 

Grouped LIMIT in PostgreSQL: show the first N rows for each group?

... New solution (PostgreSQL 8.4) SELECT * FROM ( SELECT ROW_NUMBER() OVER (PARTITION BY section_id ORDER BY name) AS r, t.* FROM xxx t) x WHERE x.r <= 2; sha...
https://stackoverflow.com/ques... 

TFS: Updating branch with changes from main

... From Visual Studio, open Source Control Explorer: View | Team Explorer Select your Team Project from Team Explorer, expand it, and double click Source Control In the left-hand pane of Source Control Explorer, select your Team Project. In the right-hand pane, find your mainline branch, right-clic...
https://stackoverflow.com/ques... 

Setting the selected value on a Django forms.ChoiceField

...t hand, but this Q/A comes up for searches related to trying to assign the selected value to a ChoiceField. If you have already called super().__init__ in your Form class, you should update the form.initial dictionary, not the field.initial property. If you study form.initial (e.g. print self.init...
https://stackoverflow.com/ques... 

Tracking CPU and Memory usage per process

...tility to save the performance data for your inspection later. To do this, select "Performance Logs and Alerts" in the left-hand panel. (It's right under the System Monitor console which provides us with the above mentioned counters. If it is not there, click "File" > "Add/remove snap-in", click ...
https://stackoverflow.com/ques... 

What's the difference between a temp table and table variable in SQL Server?

...-unique indexes too. Table variables don't participate in transactions and SELECTs are implicitly with NOLOCK. The transaction behaviour can be very helpful, for instance if you want to ROLLBACK midway through a procedure then table variables populated during that transaction will still be populated...