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How do I use cascade delete with SQL Server?
I have 2 tables: T1 and T2, they are existing tables with data. We have a one to many relationship between T1 and T2. How do I alter the table definitions to perform cascading delete in SQL Server when a record from T1 is deleted, all associated records in T2 also deleted.
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How to add multiple files to Git at the same time
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git commit -a is shorthand for git commit --all, so yes, it will.
– dax
Jul 12 '16 at 15:15
1
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How to calculate moving average without keeping the count and data-total?
...d a way to calculate a moving cumulative average without storing the count and total data that is received so far.
8 Answer...
CSS :after not adding content to certain elements
I'm having trouble understanding the behavior of the CSS :after property. According to the spec ( here and here ):
3 An...
How do I generate random numbers in Dart?
How do I generate random numbers using Dart?
13 Answers
13
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Unicode character as bullet for list-item in CSS
...probably go for an image background, they're much more efficient versatile and cross-browser-friendly.
Here's an example:
<style type="text/css">
ul {list-style:none;} /* you should use a css reset too... ;) */
ul li {background:url(images/icon_star.gif) no-repeat 0 5px;}
</style>
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Callback after all asynchronous forEach callbacks are completed
...=== array.length) {
callback();
}
});
});
(thanks to @vanuan and others) This approach guarantees that all items are processed before invoking the "done" callback. You need to use a counter that gets updated in the callback. Depending on the value of the index parameter does not provid...
LINQ with groupby and count
...g>, where each Grouping itself exposes the Key used to create the group and also is an IEnumerable<T> of whatever items are in your original data set. You just have to call Count() on that Grouping to get the subtotal.
foreach(var line in data.GroupBy(info => info.metric)
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How to read data when some numbers contain commas as thousand separator?
... some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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JavaScript variables declare outside or inside loop?
...rmance, in JavaScript or ActionScript.
var is a directive for the parser, and not a command executed at run-time. If a particular identifier has been declared var once or more anywhere in a function body(*), then all use of that identifier in the block will be referring to the local variable. It ma...