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Design for Facebook authentication in an iOS app that also accesses a secured web service
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Convert Unix timestamp into human readable date using MySQL
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Here's the official docs for from_unixtime: dev.mysql.com/doc/refman/5.1/en/…
– DACrosby
Mar 11 '15 at 21:36
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How can I have grep not print out 'No such file or directory' errors?
... dir, 'aaa.txt' and 'a b.txt', both containing the string 'some text'. The command /bin/ls -1 | xargs grep 'some text' will give you "no such file or directory" because it breaks up 'a b.txt' into 2 args. If you suppress, you won't notice you missed a file.
– Kelvin
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How to do a join in linq to sql with method syntax?
... SomeOtherClass = soc
});
As you can see, when it comes to joins, query syntax is usually much more readable than lambda syntax.
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How to log something in Rails in an independent log file?
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Should I use document.createDocumentFragment or document.createElement
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Find unused npm packages in package.json
...ng about this approach is that you don't have to remember the find or grep command.
To run without installing use npx:
npx depcheck
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Piping both stdout and stderr in bash?
...le &> would redirect and overwrite a previously existing file.)
To combine stdout and stderr you would redirect the latter to the former using 2>&1. This redirects stderr (file descriptor 2) to stdout (file descriptor 1), e.g.:
$ { echo "stdout"; echo "stderr" 1>&2; } | grep -...
How to remove all white spaces in java [duplicate]
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What does the function then() mean in JavaScript?
... it what it needs to do in case of an error. If we wanted to have just one
common error handler, that is not possible.
The Promise API was designed to solve this nesting problem and the
problem of error handling.
The Promise API proposes the following:
Each asynchronous task will return a ...