大约有 47,000 项符合查询结果(耗时:0.0383秒) [XML]

https://stackoverflow.com/ques... 

MySQL Select Query - Get only first 10 characters of a value

... Using the below line SELECT LEFT(subject , 10) FROM tbl MySQL Doc. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Pandas selecting by label sometimes return Series, sometimes returns DataFrame

In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame. ...
https://stackoverflow.com/ques... 

Join between tables in two different databases?

... Yes, assuming the account has appropriate permissions you can use: SELECT <...> FROM A.table1 t1 JOIN B.table2 t2 ON t2.column2 = t1.column1; You just need to prefix the table reference with the name of the database it resides in. ...
https://stackoverflow.com/ques... 

How to submit form on change of dropdown list?

I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet. ...
https://stackoverflow.com/ques... 

Regex select all text between tags

What is the best way to select all the text between 2 tags - ex: the text between all the 'pre' tags on the page. 17 Answe...
https://stackoverflow.com/ques... 

Selecting pandas column by location

...ed in future versions. See pandas.pydata.org/pandas-docs/dev/… on how to select by position using iloc/iat. – Wouter Overmeire Apr 12 '13 at 10:04 1 ...
https://stackoverflow.com/ques... 

How to call a PHP function on the click of a button

..."insert" value="insert" /> <input type="submit" class="button" name="select" value="select" />   jQuery: $(document).ready(function(){ $('.button').click(function(){ var clickBtnValue = $(this).val(); var ajaxurl = 'ajax.php', data = {'action': clickBtnValu...
https://stackoverflow.com/ques... 

How to “add existing frameworks” in Xcode 4?

... As per Apple's documentation: In the project navigator, select your project. Select your target. Select the "Build Phases" tab. Open "Link Binaries With Libraries" expander. Click the + button. Select your framework. (optional) Drag and drop the added framework to the "Framework...
https://stackoverflow.com/ques... 

jQuery to serialize only elements within a div

... Wouldn't $("#divId").find("select, textarea, input").serialize(); yeild better performance? I imagine the above could get slow if the div had lots of elements, like a table with several rows/columns. – David Murdoch ...
https://stackoverflow.com/ques... 

Add disabled attribute to input element using Javascript

... Working code from my sources: HTML WORLD <select name="select_from" disabled>...</select> JS WORLD var from = jQuery('select[name=select_from]'); //add disabled from.attr('disabled', 'disabled'); //remove it from.removeAttr("disabled"); ...