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Is there a good JavaScript minifier? [closed]
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UglifyJS2, used by the jQuery project.
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What are the disadvantages of using persistent connection in PDO
...This is only the tip of the iceberg. It can all be mitigated to an extent by always trying to clean up after a dirty connection on every single script request, but that can be a pain depending on the database. Unless you have identified creating database connections as the one thing that is a bott...
Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
...step. For example, in routing the distances (or weights) could be assigned by speed, cost, preference, etc. The algorithm then gives you the shortest path from your source to every node in the traversed graph.
Meanwhile BFS basically just expands the search by one “step” (link, edge, whatever y...
Why is this F# code so slow?
...unction is not generic (it just takes int). You can improve the F# version by adding type annotations (to get the same thing as in C#):
let min3(a:int, b, c) = min a (min b c)
...or by making min3 as inline (in which case, it will be specialized to int when used):
let inline min3(a, b, c) = min ...
Amazon SimpleDB vs Amazon DynamoDB
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This is addressed by the respective FAQ Q: How does Amazon DynamoDB differ from Amazon SimpleDB? Which should I use? (hash link no longer works, but use in-page Find to locate question within page) to some extent already, with the most compact...
Why `null >= 0 && null
I had to write a routine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined .
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Difference between this and self in self-type annotations?
...ed( e: ActionEvent ) {
// this.setVisible( false ) --> shadowed by JButton!
frame.setVisible( false )
}
})
})
}
The third variant,
trait A { this: B => ... }
does not introduce an alias for this; it just sets the self type.
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Threads vs Processes in Linux
...l. When the problem falls in a gray area the other trade offs as explained by ephemient becomes important.
– Saurabh
Feb 6 '12 at 7:05
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Wait for a process to finish
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tail works under the hood by polling with kill(pid, SIG_0) to a process (discovered using strace).
– Att Righ
Nov 21 '17 at 1:47
2
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How to prevent http file caching in Apache httpd (MAMP)
...header Cache-Control: private, x-gzip-ok="" > to prevent caching of ads by proxies and clients.
From http://www.askapache.com/htaccess/using-http-headers-with-htaccess.html
And optionally add the extension for the template files you are retrieving if you are using an extension other than .html f...