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What's the difference between Jetty and Netty?
...er to the traditional Java way of doing server applications (servlets, WAR files). Like Netty it is sufficiently lightweight to be embedded into Java applications.
Netty is a NIO client server framework which enables quick and easy
development of network applications such as protocol servers a...
What is a segmentation fault?
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With shared memory/memory mapped files it is possible for someone else to mess with your memory. In WIN32 there are nasty API's like 'WriteProcessMemory' too!
– paulm
Feb 17 '14 at 23:46
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How to output a comma delimited list in jinja python template?
...", "Joe"] , I want to do something where I can output in my jinja template file:
3 Answers
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Return value in a Bash function
...can return a BLOB easily:
encrypt() {
gpg -c -o- $1 # encrypt data in filename to stdout (asks for a passphrase)
}
encrypt public.dat > private.dat # write function result to file
As others have written in this thread, the caller can also use command substitution $() to capture the output...
Fastest way(s) to move the cursor on a terminal command line?
...e commandline, err, "script" more nicely with newlines, and there's no tempfile needed. :) So, "v/25" gets you there in 4 chars.
– dannysauer
Apr 10 '09 at 20:53
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How do I escape double quotes in attributes in an XML String in T-SQL?
...anted to let folks know that " works very well for the xml config files when forming regex expressions for RegexTransformer in Solr like so: regex=".*img src="(.*)".*" using the escaped version instead of double-quotes.
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form_for but to post to a different action
..., method: :post) do |user_form| %>. Please note that this is for a view file within the views/users/ folder.
– AarCee
Aug 31 '15 at 15:00
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Doing a cleanup action just before Node.js exits
...GINT code. We have to do it this way because we have node logging to a txt file so Ctrl + C is not possible.
– Aust
Feb 14 '13 at 23:22
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grepping using the “|” alternative operator
The following is a sample of a large file named AT5G60410.gff:
5 Answers
5
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...y_table as select * from test where false; copy temporary_table from 'data_file.csv'; lock table test; update test set data=temporary_table.data from temporary_table where test.id=temporary_table.id; insert into test select * from temporary_table where id not in (select id from test) as a"
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