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Is there a command to list all Unix group names? [closed]
I know there is the /etc/group file that lists all users groups.
3 Answers
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NodeJS: How to get the server's port?
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Express 4.x answer:
Express 4.x (per Tien Do's answer below), now treats app.listen() as an asynchronous operation, so listener.address() will only return data inside of app.listen()'s callback:
var app = require('express')();
var listener = app.listen(8888, function(){
console.lo...
How to find where a method is defined at runtime?
..., after a series of commits had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to some oddities in Rails' library loading, it only occurred when we ran it directly from Mongrel in production mode.
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How to search for “R” materials? [closed]
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this wouldn't work these days - S-Plus is history now and I imagine most R users have never touched it. And most current R packages were developed without reference to it.
– Peter Ellis
Apr 25 '13 at 7:45
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How to add Git's branch name to the commit message?
...t message). I misunderstood this originally, and believe I have it correct now.
– Novice C
Sep 19 '16 at 2:22
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Load dimension value from res/values/dimension.xml from source code
....dimen.test) / getResources().getDisplayMetrics().density)
dp will be 48 now
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xcopy file, rename, suppress “Does xxx specify a file name…” message
..."don't use xcopy". Doesn't really answer the question about xcopy at all, now does it?
– BrainSlugs83
Feb 3 '13 at 2:54
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Mysql - How to quit/exit from stored procedure
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@jlh it was wrong (text corrected now) in that I didn’t know about mysql’s label technique, but the code isn’t wrong - it will work, on any DB actually.
– Bohemian♦
Nov 21 '18 at 14:53
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sql query to return differences between two tables
...JOIN B ON (A.C = B.C)
WHERE A.C IS NULL OR B.C IS NULL
What you need to know in this case is, that when a record can be found in A, but not in B, than the columns which come from B will be NULL, and similarly for those, which are present in B and not in A, the columns from A will be null.
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swap fragment in an activity via animation
...e screen and PageB is for fragment B i.e. on the right side of the screen. Now i want that when i click a button on pageA then PageA will move to the right side of the screen with some transition animation.
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