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How can I extract a predetermined range of lines from a text file on Unix?
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sed -n '16224,16482p;16483q' filename > newfile
From the sed manual:
p -
Print out the pattern space (to the standard output). This command is usually only used in conjunction with the -n command-line option.
n -
If auto-print is not...
How do I test a file upload in rails?
...nsible for accepting JSON files and then processing the JSON files to do some user maintenance for our application. In user testing the file upload and processing works, but of course I would like to automate the process of testing the user maintenance in our testing. How can I upload a file to a co...
Whitespace Matching Regex - Java
... I feel like the biggest idiot on earth. Neither I nor two other people seemed to notice that. I guess the stupidest little errors throw us off sometimes, eh?
– user372743
Jan 19 '11 at 2:09
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Easy way to write contents of a Java InputStream to an OutputStream
...yte buffer code isn't difficult to write, but I suspect I'm just missing something which would make my life easier (and the code clearer).
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Is it possible to view RabbitMQ message contents directly from the command line?
Is it possible to view RabbitMQ message contents directly from the command line?
6 Answers
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append multiple values for one key in a dictionary [duplicate]
...ys", where items are implicitly associated with each other by having the same index rather than being proper children of a container that encompasses them both.
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What is the maximum recursion depth in Python, and how to increase it?
...a guard against a stack overflow, yes. Python (or rather, the CPython implementation) doesn't optimize tail recursion, and unbridled recursion causes stack overflows. You can check the recursion limit with sys.getrecursionlimit:
import sys
print(sys.getrecursionlimit())
and change the recursion lim...
Who sets response content-type in Spring MVC (@ResponseBody)
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Simple declaration of the StringHttpMessageConverter bean is not enough, you need to inject it into AnnotationMethodHandlerAdapter:
<bean class = "org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="mess...
Create a string of variable length, filled with a repeated character
So, my question has been asked by someone else in it's Java form here: Java - Create a new String instance with specified length and filled with specific character. Best solution?
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Can I find out the return value before returning while debugging in Visual Studio?
... the return values in the autos windows or use $ReturnValue in the watch/immediate window.
The value can only be seen directly after returning from the function, thus the easiest way to access it is by putting a breakpoint on the function call and step over (F10) the call.
Update for VS2015: boo...