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Freeing up a TCP/IP port?
... for http requests on port 80 (run as root or use sudo):
# fuser 80/tcp
If you want to kill them, then just add the -k option.
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Lambda Expression and generic method
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You can't use a lambda expression for a functional interface, if the method in the functional interface has type parameters. See section §15.27.3 in JLS8:
A lambda expression is compatible [..] with a target type T if T is a functional interface type (§9.8) and the expression is c...
Why do we need entity objects? [closed]
...ted the "logic" of the application is, and where you have implemented it. If all your logic is in stored procedures, and all your application does is call those procedures and display the results, then developing entity objects is indeed a waste of time. But for an application where the objects ha...
Determining memory usage of objects? [duplicate]
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also, if one wants the total memory used by an R session, one can do object.size(x=lapply(ls(), get)) and print(object.size(x=lapply(ls(), get)), units="Mb")
– tflutre
Feb 27 '13 at 3:09
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Does it make any sense to use inline keyword with templates?
...nce templates are defined within headers and compiler is able to determine if inlining a function is advantageous, does it make any sense? I've heard that modern compilers know better when to inline a function and are ignoring inline hint.
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How to increase font size in a plot in R?
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Thanks! What is the difference with "ps=1.5"?
– Tim
Nov 22 '10 at 2:44
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Why use the SQL Server 2008 geography data type?
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If you plan on doing any spatial computation, EF 5.0 allows LINQ Expressions like:
private Facility GetNearestFacilityToJobsite(DbGeography jobsite)
{
var q1 = from f in context.Facilities
let...
How to create empty text file from a batch file?
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@Reegan If you used echo 2 without the ., the console would read "ECHO is off." Using echo. 2 effectively silences console output by only displaying a newline.
– OneManBand
Nov 19 '14 at 19:28
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Difference between exit(0) and exit(1) in Python
What's the difference between exit(0) and exit(1) in Python?
5 Answers
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Unix shell script find out which directory the script file resides?
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This doesn't work if you've called the script via a symbolic link in a different directory. To make that work you need to use readlink as well (see al's answer below)
– AndrewR
Mar 17 '10 at 23:26
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