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LINQ query on a DataTable

I'm trying to perform a LINQ query on a DataTable object and bizarrely I am finding that performing such queries on DataTables is not straightforward. For example: ...
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Textarea onchange detection

... You will need to use onkeyup and onchange for this. The onchange will prevent context-menu pasting, and the onkeyup will fire for every keystroke. See my answer on How to impose maxlength on textArea for a code sample. ...
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How to delete from multiple tables in MySQL?

...m trying to delete from a few tables at once. I've done a bit of research, and came up with this 7 Answers ...
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What's the idiomatic syntax for prepending to a short python list?

... explanation for the missing list.prepend() . Assuming my list is short and performance concerns are negligible, is 4 A...
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Getting the name of the currently executing method

... edited Mar 14 '19 at 22:31 RAnders00 4,20144 gold badges2929 silver badges5757 bronze badges answered Jan 14 '09 at 12:29 ...
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Maven parent pom vs modules pom

...e seem to be several ways to structure parent poms in a multiproject build and I wondering if anyone had any thoughts on what the advantages / drawbacks are in each way. ...
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Android ViewPager - Show preview of page on left and right

I'm using Android's ViewPager . What I want to do is to show a preview of the page on both the left and the right. I've seen where I can use a negative pageMargin to show a preview of the right side. ...
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SQL join: selecting the last records in a one-to-many relationship

Suppose I have a table of customers and a table of purchases. Each purchase belongs to one customer. I want to get a list of all customers along with their last purchase in one SELECT statement. What is the best practice? Any advice on building indexes? ...
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Difference between 'python setup.py install' and 'pip install'

...u. In contrast, if you use setup.py, you often have to manually search out and download dependencies, which is tedious and can become frustrating. pip keeps track of various metadata that lets you easily uninstall and update packages with a single command: pip uninstall <PACKAGE-NAME> and pip ...
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PermGen elimination in JDK 8

I have installed JDK 8 and trying to run Eclipse. I am getting following warning message: 6 Answers ...