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How can I delete a newline if it is the last character in a file?
I have some files that I'd like to delete the last newline if it is the last character in a file. od -c shows me that the command I run does write the file with a trailing new line:
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How do you attach and detach from Docker's process?
...art the container with the cleanup flag (--rm). This might be obvious to some, but it bites me more often than I would like to admit.
– allingeek
Nov 12 '14 at 7:43
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proper way to sudo over ssh
...ms on a remote machine, which can be
very useful, e.g., when implementing menu services. Multiple -t
options force tty allocation, even if ssh has no local tty.
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What's the opposite of chr() in Ruby?
...r() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
10 Answ...
How to calculate the CPU usage of a process by PID in Linux from C?
...ata from /proc/<PID>/stat. These are the first few fields (from Documentation/filesystems/proc.txt in your kernel source):
Table 1-3: Contents of the stat files (as of 2.6.22-rc3)
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Field Content
pid ...
Why would I use Scala/Lift over Java/Spring? [closed]
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Let's assume we're equally comfortable in Scala and Java, and ignore the (huge) language differences except as they pertain to Spring or Lift.
Spring and Lift are almost diametrically opposed in terms of maturity and goals.
Spring i...
Is there a way to make a PowerShell script work by double clicking a .ps1 file?
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Create a shortcut with something like this as the "Target":
powershell.exe -command "& 'C:\A path with spaces\MyScript.ps1' -MyArguments blah"
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How To Get IPython Notebook To Run Python 3?
I am new to Python to bear with me.
9 Answers
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Gradle build only one module
...Pipelines, it fires off a "gradle clean assemble" in the root project. For me, that tries to build the AppEngine AND Android builds. The Release Pipeline will fail on the Android build as it doesn't have the SDK installed, understandable for a transient machine. Also, it doesn't look like Release Pi...
Any idea why I need to cast an integer literal to (int) here?
...eger i3 = (Integer) (-128); // compiles
According to BoltClock in the comments the cast to int works as intended, because it is a reserved word and therefore can't be interpreted as an identifier, which makes sense to me.
And Bringer128 found the JLS Reference 15.16.
CastExpression:
( Prim...