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What is the exact meaning of IFS=$'\n'?
...cessary. Run new IFS in subshell to avoid overriding the default IFS:
ar=(123 321); ( IFS=$'\n'; echo ${ar[*]} )
Besides I don't really believe you recover the old IFS fully. You should double quote it to avoid line breaking such as OLDIFS="$IFS".
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Is it possible to hide extension resources in the Chrome web inspector network tab?
...hy -f works here? What is it actually doing?
– coryvb123
Jul 18 '18 at 17:23
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Socket.IO Authentication
...rst_name: 'John',
last_name: 'Doe',
email: 'john@doe.com',
id: 123
};
// we are sending the profile in the token
var token = jwt.sign(profile, jwtSecret, { expiresInMinutes: 60*5 });
res.json({token: token});
});
Now, your socket.io server can be configured as follows:
var s...
How do I fix “for loop initial declaration used outside C99 mode” GCC error?
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There is a compiler switch which enables C99 mode, which amongst other things allows declaration of a variable inside the for loop. To turn it on use the compiler switch -std=c99
Or as @OysterD says, declare the variable outside the loop.
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Proper usage of Java -D command-line parameters
... Integer.getInteger("test"); Long.getLong("test") assuming you have -Dtest=123
– mt.uulu
Mar 19 '19 at 18:59
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Avoiding SQL injection without parameters
... lot of i18n issues with dates/numbers; what date is 01/02/03? How much is 123,456? Do your servers (app-server and db-server) agree with each-other?
If the risk factor isn't convincing to them, how about performance? The RDBMS can re-use the query plan if you use parameters, helping performance. I...
Add one row to pandas DataFrame
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123
This is the right answer, but it isn't a very good answer (almost link only).
– jwg
May 18 '16 at 1...
Send POST Request with Data Specified in File via Curl
...tal.xlsx' 'http://example.com/upload.aspx?user=example&password=example123&type=XLSX'
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MySQL - why not index every field?
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123
Indexes take up space in memory (RAM); Too many or too large of indexes and the DB is going to...
How do I add custom field to Python log format string?
...getLogger('Test')
if __name__=='__main__':
logger.logMessage('ERROR','123','This is an error')
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