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How do I check if a column is empty or null in MySQL?
I have a column in a table which might contain null or empty values. How do I check if a column is empty or null in the rows present in a table?
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How to change a nullable column to not nullable in a Rails migration?
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This causes problems when the table already has null values. See my answer
– Rick Smith
Aug 8 '14 at 20:27
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SET NAMES utf8 in MySQL?
...ters to show on websites properly when the data was queried from MySQL. My tables and columns are set to UTF-8 in MySQL—so should this be necessary?
– NexusRex
Aug 30 '11 at 19:15
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What are the “must have” jQuery plugins? [closed]
...n those which are likely to be useful in general UI development, such as Tablesorter , rather than those which serve uncommon needs.
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Sending a message to nil in Objective-C
...gt; 0 )
or this:
return [myArray count]; // say for number of rows in a table
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Markdown `native` text alignment
...ky but if you're using GFM or some other MD syntax which supports building tables with pipes you can use the column alignment features:
|| <!-- empty table header -->
|:--:| <!-- table header/body separator with center formatting -->
| I'm centered! | <!-- cell gets column's alignmen...
How do I retrieve an HTML element's actual width and height?
...r browsers use this:
<style type="text/css">
html,body {display:table; height:100%;width:100%;margin:0;padding:0;}
body {display:table-cell; vertical-align:middle;}
div {display:table; margin:0 auto; background:red;}
</style>
<body><div>test<br>test</div...
Should try…catch go inside or outside a loop?
...ch structures are placed. Internally, they are implemented as a code-range table in a structure that is created when the method is called. While the method is executing, the try/catch structures are completely out of the picture unless a throw occurs, then the location of the error is compared again...
How to safely call an async method in C# without await
... that are thrown, then they'd just be logged in my "BatchProcessLog/Error" tables...
– ganders
Aug 16 '16 at 18:31
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What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
... the SQL inline in C# and calling to the SQL Server DB. So I'm trying to establish which, for this particular project, would be best.
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