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Delete all Duplicate Rows except for One in MySQL? [duplicate]
...so included AND n1.id <> n2.id, it deleted every row in the table.
If you want to keep the row with the lowest id value:
DELETE n1 FROM names n1, names n2 WHERE n1.id > n2.id AND n1.name = n2.name
If you want to keep the row with the highest id value:
DELETE n1 FROM names n1, names n...
Can I simultaneously declare and assign a variable in VBA?
I'm new to VBA and want to know if I can convert the following declaration and assignment into one line:
5 Answers
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SQLAlchemy: Creating vs. Reusing a Session
...ssion, except that its verbose and redundant, and I wanted to stop the proliferation of small-scale "helpers" that each approached the issue of this redundancy in some new and more confusing way.
So sessionmaker() is just a tool to help you create Session objects when you need them.
Next part. I...
Check for changes to an SQL Server table?
...an SQL Server database for changes to a table without using triggers or modifying the structure of the database in any way? My preferred programming environment is .NET and C#.
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What is the difference between Serializable and Externalizable in Java?
What is the difference between Serializable and Externalizable in Java?
11 Answers
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What is the difference D3 datum vs. data?
Can someone please explain the difference between datum() and data() in D3.js? I see both being used and I am not sure why you should choose one over the other?
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Is there a function to deselect all text using JavaScript?
...
Try this:
function clearSelection()
{
if (window.getSelection) {window.getSelection().removeAllRanges();}
else if (document.selection) {document.selection.empty();}
}
This will clear a selection in regular HTML content in any major browser. It won't clear a se...
Open a link in browser with java button? [duplicate]
... desktop = Desktop.isDesktopSupported() ? Desktop.getDesktop() : null;
if (desktop != null && desktop.isSupported(Desktop.Action.BROWSE)) {
try {
desktop.browse(uri);
return true;
} catch (Exception e) {
e.printStackTrace();
}
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jQuery parent of a parent
...entation:
Closest works by first looking at the current element to see if it matches the specified expression, if so it just returns the element itself. If it doesn't match then it will continue to traverse up the document, parent by parent, until an element is found that matches the specified e...
Adding console.log to every function automatically
...en it's called by registering a global hook somewhere (that is, without modifying the actual function itself) or via some other means?
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