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Efficiently test if a port is open on Linux?
...t, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "No one is listening!"
exec 6>&- # close output connection
exec 6&l...
Where in an Eclipse workspace is the list of projects stored?
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edited Jul 8 '16 at 19:36
caot
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answered Oct 30 ...
Scala: Nil vs List()
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scala> println (Nil == List())
true
scala> println (Nil eq List())
true
scala> print...
Renaming a branch while on pull request
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r3m0t
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answered Nov 16 '13 at 3:50
arbyleearbylee
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CSS does the width include the padding?
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edited Dec 22 '14 at 8:42
Peter van Kekem
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an...
Which data type for latitude and longitude?
...t - combines (x,y) which can be your lat / long. Occupies 16 bytes: 2 float8 numbers internally.
Or make it two columns of type float (= float8 or double precision). 8 bytes each.
Or real (= float4) if additional precision is not needed. 4 bytes each.
Or even numeric if you need absolute precision....
What is the difference between a .xib file and a .storyboard?
...rrales Morales
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answered Dec 8 '11 at 19:33
Sagar HatekarSagar Hatekar
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Xcode - But… Where are our archives?
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edited Jul 9 '19 at 8:44
Cœur
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Get string character by index - Java
...hias Braun
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answered Jun 27 '12 at 15:39
Ricardo AltamiranoRicardo Altamirano
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Parsing JSON giving “unexpected token o” error [duplicate]
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