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Mongoose: Get full list of users
...rray;
}).catch(function(err){
if (err) {
throw new Error(err.message);
}
});
}
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“unary operator expected” error in Bash if condition
...d" ];
which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)
The modern [[ operator has lots of other nice features, including regular expression matching.
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Getting visitors country from their IP
...ly because your server does not allow file_get_contents(). Just check your error_log file. Workaround: see my answer.
– Kai Noack
Feb 19 '14 at 12:47
3
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Evaluating a mathematical expression in a string
This returns the following error:
11 Answers
11
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How do I perform a Perl substitution on a string while keeping the original?
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Ah, but the one line version isn't subject to the error in the question of unintentionally modifying the wrong string.
– ysth
Sep 19 '08 at 6:13
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Design patterns or best practices for shell scripts [closed]
...iables inside the function as local:
function foo {
local bar="$0"
}
Error prone situations
In bash, unless you declare otherwise, an unset variable is used as an empty string. This is very dangerous in case of typo, as the badly typed variable will not be reported, and it will be evaluated a...
What are Flask Blueprints, exactly?
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edited Jun 4 at 8:05
answered Oct 12 '19 at 15:51
T...
How do I watch a file for changes?
...('\nDone') break except: print(f'Unhandled error: {sys.exc_info()[0]}') `
– Vlad Bezden
Apr 25 '17 at 19:22
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How do I delete all untracked files from my working directory in Mercurial?
Is it possible to delete all untracked files from my working directory? Let's say I added a bunch of files to my working directory, didn't add them via 'hg add' and now want to get rid of those new files entirely?
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Python setup.py develop vs install
Two options in setup.py develop and install are confusing me. According to this site , using develop creates a special link to site-packages directory.
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