大约有 5,887 项符合查询结果(耗时:0.0187秒) [XML]

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Rails select helper - Default selected value, how?

...ue, and once I populated my @project variable with an id from the database table, instead of a title, this code worked appended onto the back of the form.select helper: selected: @project Thank you @danengle – Christopher Warrington Jan 27 '18 at 22:17 ...
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Center image in div horizontally [duplicate]

...x solid #888; width: 100px; height: 100px; } .inner { display:table-cell; height: 100px; width: 100px; vertical-align: middle; } share | improve this answer | ...
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Reset/remove CSS styles for element only

...: '\201C' '\201D' '\2018' '\2019'; right : auto; tab-size : 8; table-layout : auto; text-align : inherit; text-align-last : auto; text-decoration : none; text-decoration-color : inherit; text-decoration-line : none; text-decoration-style : solid; text-indent :...
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Using an if statement to check if a div is empty

...YI: This, in particular, is the solution I am using to hide annoying empty table cells in SharePoint (in addition with this condition "|| $(this).children("menu").length". share | improve this answe...
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Where does Oracle SQL Developer store connections?

... and I can connect to the database fine using Oracle SQL Developer, create tables, views etc. However, I'm having a hard time getting connected via my application. Where is the connection information? In what file? I wanted to compare my connection info with what is set up in the SQL Explorer's file...
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JSON encode MySQL results

...ks this helped me a lot. My code: $sqldata = mysql_query("SELECT * FROM `$table`"); $rows = array(); while($r = mysql_fetch_assoc($sqldata)) { $rows[] = $r; } echo json_encode($rows); share | ...
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jQuery: Test if checkbox is NOT checked

...input[id*="chkPrint"]:not(:checked)').length > 0) In my case, I had a table with a class user-forms, and I was checking if any of the checkboxes that had the string checkPrint in their id were unchecked. share ...
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How can I open Java .class files in a human-readable way?

...e system -l Print line number and local variable tables -public Show only public classes and members -protected Show protected/public classes and members -package Show package/protected/public classes ...
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How to find SQL Server running port?

...terprise I don't have access to MSSQL Server, so I can'r access the system tables. What works for me is: capture the network traffic Wireshark (run as Administrator, select Network Interface),while opening connection to server. Find the ip address with ping filter with ip.dst == x.x.x.x The po...
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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]

...class or interface of System.Int32. As an example GetBoolValue() ? (IFormattable)10 : null // #1B or GetBoolValue() ? 10 : (IFormattable)null // #2B will be OK. This possibility may be a reason why they don't make the nullable-wrapping automatic. Because both wrapping and boxing are normally implici...