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Identify user in a Bash script called by sudo
If I create the script /root/bin/whoami.sh containing:
7 Answers
7
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How do I handle newlines in JSON?
...o www.json.org JSON does accept the control sequence "\n" in strings - and if you try JSON.parse(['"a\\na"'])[1].charCodeAt(); that will show 10 - which was "Linefeed" the last time I checked. --- BTW: Stop screaming!
– BlaM
Nov 11 '15 at 7:25
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How to get a URL parameter in Express?
...d is set to " + req.params.tagId);
});
// GET /p/5
// tagId is set to 5
If you want to get a query parameter ?tagId=5, then use req.query
app.get('/p', function(req, res) {
res.send("tagId is set to " + req.query.tagId);
});
// GET /p?tagId=5
// tagId is set to 5
Express 3.x
URL paramete...
Making the main scrollbar always visible
...s make the scrollbar always visible and only active when needed.
Update: If the above does not work the just using this may.
html {
overflow-y:scroll;
}
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Best branching strategy when doing continuous integration?
... For example in full branch source control like CVS or SVN merging can be difficult and you might be better off with the first model, while if using more complex system like IBM ClearCase and with a larger size of team you could be better of with the second model or a combination of the two.
I pers...
How can I compare two lists in python and return matches
...5]
>>> b = [9, 8, 7, 6, 5]
>>> set(a) & set(b)
{5}
if order is significant you can do it with list comprehensions like this:
>>> [i for i, j in zip(a, b) if i == j]
[5]
(only works for equal-sized lists, which order-significance implies).
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Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...standard' overload (e.g. that takes the string name as an extra parameter) if they want to have good interop across .Net languages.
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How does comparison operator works with null int?
..."Operators" section:
When you perform comparisons with nullable types, if the value of one of the nullable types is null and the other is not, all comparisons evaluate to false except for !=
So both a > b and a < b evaluate to false since a is null...
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... being necessary anyway in the long run.
Native prepares doesn't make any difference for security. The pseudo-prepared statements will still escape query parameter values, it will just be done in the PDO library with strings instead of on the MySQL server using the binary protocol. In other words, t...
Fast check for NaN in NumPy
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This only catches inf or -inf if the input contains both, and it has problems if the input contains large but finite values that overflow when added together.
– user2357112 supports Monica
Aug 19 '13 at 19:28
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