大约有 47,000 项符合查询结果(耗时:0.0243秒) [XML]

https://stackoverflow.com/ques... 

Saving enum from select in Rails 4.1

...num. I changed the input to be the following: f.input :color, :as => :select, :collection => Wine.colors.keys.to_a Which generated the following HTML: <select id="wine_color" name="wine[color]"> <option value=""></option> <option value="red">red</option> ...
https://stackoverflow.com/ques... 

How to reset postgres' primary key sequence when it falls out of sync?

... -- Login to psql and run the following -- What is the result? SELECT MAX(id) FROM your_table; -- Then run... -- This should be higher than the last result. SELECT nextval('your_table_id_seq'); -- If it's not higher... run this set the sequence last to your highest id. -- (wise to run...
https://stackoverflow.com/ques... 

jQuery Validate Required Select

I am trying to validate html select element using jQuery Validate plugin. I set "required" rule to true but it always passes validation because zero index is chosed by default. Is there any way to define empty value that is used by required rule? ...
https://stackoverflow.com/ques... 

Datatype for storing ip address in SQL Server

...VARCHAR(15)) RETURNS BINARY(4) AS BEGIN DECLARE @bin AS BINARY(4) SELECT @bin = CAST( CAST( PARSENAME( @ip, 4 ) AS INTEGER) AS BINARY(1)) + CAST( CAST( PARSENAME( @ip, 3 ) AS INTEGER) AS BINARY(1)) + CAST( CAST( PARSENAME( @ip, 2 ) AS INTEGER) AS BINARY(1)) ...
https://stackoverflow.com/ques... 

jquery input select all on focus

I'm using this code to try and select all of the text in the field when a user focuses on the field. What happens is, it selects all for a second, then its unselected and the typing cursor is left where I clicked... ...
https://stackoverflow.com/ques... 

How to export all data from table to an insertable sql format?

... top level of the context menu Thanks to Daniel for the comment to update. Select generate scripts Click next Choose tables Click next Click advanced Scroll to Types of data to script - Called types of data to script in SMSS 2014 Thanks to Ellesedil for commenting Select data only Click on 'Ok' to c...
https://stackoverflow.com/ques... 

How do I select an entire row which has the largest ID in the table?

... You could use a subselect: SELECT row FROM table WHERE id=( SELECT max(id) FROM table ) Note that if the value of max(id) is not unique, multiple rows are returned. If you only want one such row, use @MichaelMior's answer, SELEC...
https://stackoverflow.com/ques... 

Is it possible to use JS to open an HTML select to show its option list? [duplicate]

Is it possible to use JavaScript to open an HTML select to show its option list? 11 Answers ...
https://stackoverflow.com/ques... 

Prevent text selection after double click

...lick event on a span in my web app. A side-effect is that the double click selects text on the page. How can I prevent this selection from happening? ...
https://stackoverflow.com/ques... 

How to select a single field for all documents in a MongoDB collection?

...nt such as: db.student.find({}, {roll:1, _id:0}) The above statement will select all documents in the students collection, and the returned document will return only the roll field (and exclude the _id). If we don't mention _id:0 the fields returned will be roll and _id. The '_id' field is always d...