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How to check what user php is running as?
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If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid.
$username = posix_getpwuid(posix_geteuid())['name'];
If you are running in safe mode however (which is often the case when exec is disabled), then it's unlikely tha...
JavaScript variable number of arguments to function
Is there a way to allow "unlimited" vars for a function in JavaScript?
11 Answers
11
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Difference between map and collect in Ruby?
I have Googled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails?
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join list of lists in python [duplicate]
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@ZachEstela, I'm happy to see someone call this unpythonic. It seems like many techniques others like to call pythonic are not easily understood at first glance. Readability is one of the things that makes Python attractive to me. This solution is cool, and pro...
How to use ArrayAdapter
...created row.xml in layouts, but don't know how to show both reason and long_val in the ListView using ArrayAdapter.
5 Answe...
What's the standard way to work with dates and times in Scala? Should I use Java types or there are
... it seems that scala-time is no longer maintained.
import com.github.nscala_time.time.Imports._
DateTime.now // returns org.joda.time.DateTime = 2009-04-27T13:25:42.659-07:00
DateTime.now.hour(2).minute(45).second(10) // returns org.joda.time.DateTime = 2009-04-27T02:45:10.313-07:00
DateTime.now ...
Using PowerShell to write a file in UTF-8 without the BOM
...coding = New-Object System.Text.UTF8Encoding $False
[System.IO.File]::WriteAllLines($MyPath, $MyRawString, $Utf8NoBomEncoding)
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Error: Can't set headers after they are sent to the client
...) {
if (err) {
res.send(err);
} else {
User.findOneAndUpdate({ _id: req.user._id }, { $push: { article: doc._id } })
.exec(function(err, doc2) {
if (err) res.send(err);
else res.json(doc2); // Will be called second.
})
res.json(doc1); // Will be ...
Graphviz: How to go from .dot to a graph?
...neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the output format by varying the value after -T and choosing an appropriate filename extension after -o.
If you're using windows, check out the installed tool called GVEdit, it ma...
How to check if a value exists in an array in Ruby
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Let me just note that internally, #include? still does perform looping. The coder is saved from writing the loop explicitly, though. I have added an answer that performs the task truly without looping.
– Boris Stitnicky
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