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Scala: List[Future] to Future[List] disregarding failed futures
... futures `fs`, returns the future holding the list of Try's of the futures from `fs`.
* The returned future is completed only once all of the futures in `fs` have been completed.
*/
def allAsTrys[T](fItems: /* future items */ List[Future[T]]): Future[List[Try[T]]] = {
val listO...
`find -name` pattern that matches multiple patterns
...d the escaped parenthesis unless you are doing some additional mods. Here from the man page they are saying if the pattern matches, print it. Perhaps they are trying to control printing. In this case the -print acts as a conditional and becomes an "AND'd" conditional. It will prevent any .c file...
How can I “disable” zoom on a mobile web page?
...vice-width, initial-scale=1.0">
Prevent scaling- and prevent the user from being able to zoom:
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
Removing all zooming, all scaling
<meta name="viewport" content="user-scalable=no, ...
Base 64 encode and decode example code
...ting older versions of Android so I'm using Robert Harder's Base64 library from http://iharder.net/base64
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res.sendFile absolute path
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The express.static middleware is separate from res.sendFile, so initializing it with an absolute path to your public directory won't do anything to res.sendFile. You need to use an absolute path directly with res.sendFile. There are two simple ways to do it:
res.s...
Postgresql: password authentication failed for user “postgres”
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From the Comprehensive manual, postgresql.org/files/documentation/pdf/12/postgresql-12-A4.pdf, section 20.5: "If no password has been set up for a user, the stored password is null and password authentication will always fail...
How to git clone a specific tag
From git-clone(1) Manual Page
5 Answers
5
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How to list variables declared in script in bash?
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compgen -v
It lists all variables including local ones.
I learned it from Get list of variables whose name matches a certain pattern, and used it in my script.
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What's the point of g++ -Wreorder?
... The order was man page-> SO answer. Here is an archive of the man page from 2007 that lists this example explicitly. The upvoted comment from Ben S is a hilarious example of someone suggesting that something exist without even checking that it does already. web.archive.org/web/20070712184121/htt...
What is the lifetime of a static variable in a C++ function?
...rlier through other means, just that they must be destroyed when returning from main or calling std::exit. A pretty fine line though I think.
– Roger Sanders
Apr 28 '17 at 0:26
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