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What are “first class” objects?
...as
any other object.
A first class object is an entity that can be dynamically created, destroyed, passed to a function, returned as a value, and have all the rights as other variables in the programming language have.
Depending on the language, this can
imply:
being expressible as ...
Execute bash script from URL
...the advantage of using that initial redirection? I ask because for RVM installation, they use the command: bash < <(curl -s https://rvm.beginrescueend.com/install/rvm) Why not just: bash <(curl -s https://rvm.beginrescueend.com/install/rvm)
– Tristan
...
Timeout a command in bash without unnecessary delay
...y, Bash does not support floating point arithmetic (sleep does),
therefore all delay/time values must be integers.
EOF
}
# Options.
while getopts ":t:i:d:" option; do
case "$option" in
t) timeout=$OPTARG ;;
i) interval=$OPTARG ;;
d) delay=$OPTARG ;;
*) printUsage...
Is it possible to use “/” in a filename?
...hould ever be done, but is there a way to use the slash character that normally separates directories within a filename in Linux?
...
How to overwrite the previous print to stdout in python?
...way of formatting strings in Python 3; the % operator is deprecated. Basically, all strings now have a format method. In this case, the {0} means "the first argument to format()" (counting starts at 0).
– Mike DeSimone
Mar 24 '11 at 22:01
...
What are invalid characters in XML
... escaped using XML entities, in this case you want &amp; for &.
Really, though, you should use a tool or library that writes XML for you and abstracts this kind of thing away for you so you don't have to worry about it.
...
How to debug a bash script? [closed]
...ug a bash script? E.g something that prints a sort of execution log like "calling line 1", "calling line 2" etc.
12 Answers...
How to split csv whose columns may contain ,
...7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,\"Corvallis, OR\",7679,351,81,b437f461b3fd27387c5d8ab47a293d35,34";
TextFieldParser parser = new TextFieldParser(new StringReader(csv));
// You can also read from a file
// TextFieldParser parser = new TextFieldParser("mycsvfile....
Creating a new empty branch for a new project
...branches departing from the original branch. But now we want to create a small new project to track some documentation. For that we would want to create a new empty branch to start storing our files, and I would want other users of the network to clone that branch.
...
How to do a git diff on moved/renamed file?
...by Matthieu Moy (moy).
(Merged by Junio C Hamano -- gitster -- in commit 5d2a30d, 03 Apr 2016)
diff: activate diff.renames by default
Rename detection is a very convenient feature, and new users shouldn't
have to dig in the documentation to benefit from it.
Potential objections to ...