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How can I split a shell command over multiple lines when using an IF statement?
...re the newline. With no such whitespace, your example works fine for me:
$ cat test.sh
if ! fab --fabfile=.deploy/fabfile.py \
--forward-agent \
--disable-known-hosts deploy:$target; then
echo failed
else
echo succeeded
fi
$ alias fab=true; . ./test.sh
succeeded
$ alias fab=false; ....
Are there any standard exit status codes in Linux?
...
(This was linked in another answer, but to a non-canonical URL.)
1: Catchall for general errors
2: Misuse of shell builtins (according to Bash documentation)
126: Command invoked cannot execute
127: "command not found"
128: Invalid argument to exit
128+n: Fatal error signal "n"
...
How to prune local tracking branches that do not exist on remote anymore
...nd for a future git release that will do this? This command looks like my cat has been on my laptop
– Bron Davies
Sep 14 '16 at 20:02
12
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What are the differences between vector and list data types in R?
...
As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it.
A list is really an array + a hashmap. It's a PHP associative array.
> foo = list(bar='baz')
> foo[1]
'baz'
> foo$bar
'baz'
> foo[['bar']]
'baz'
A vector is a f...
Find running median from a stream of integers
...d Jan 28 '17 at 11:01
Shmil The Cat
4,35422 gold badges2323 silver badges3434 bronze badges
answered May 18 '12 at 18:15
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How do I prevent node.js from crashing? try-catch doesn't work
From my experience, a php server would throw an exception to the log or to the server end, but node.js just simply crashes. Surrounding my code with a try-catch doesn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers.
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华为公司的新产品研发流程管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...术支援和完善的服务体系。典型的案例是EMI最早研发出了CAT扫描仪,并因此获得了诺贝尔奖,但该公司却需要被人收购才能获救。
减少资源/人力的浪费
新产品的研发往往存在较大的风险,一个设计得再好的研发方...
Examples of GoF Design Patterns in Java's core libraries
...mento not command. Or most probably both.
– Stimpson Cat
Sep 3 '18 at 11:37
Could you please help me in a related ques...
How to tell Maven to disregard SSL errors (and trusting all certs)?
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You can disable SSL certificate checking by adding one or more of these command line parameters:
-Dmaven.wagon.http.ssl.insecure=true - enable use of relaxed SSL check for user generated certificates.
-Dmaven.wagon.http.ssl.allowall=true - enable mat...
Postgres: Distinct but only for one column
...pgsql with names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
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