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How to check if a value exists in an array in Ruby
I have a value 'Dog' and an array ['Cat', 'Dog', 'Bird'] .
26 Answers
26
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Regex: match everything but specific pattern
... answered Nov 6 '09 at 13:40
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How to split a comma-separated string?
... Keep in mind this won't trim the values so strings.get(1) will be " cat" not "cat"
– Alb
Jun 28 '13 at 15:33
46
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In Bash, how do I add a string after each line in a file?
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I prefer echo. using pure bash:
cat file | while read line; do echo ${line}$string; done
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How to add Git's branch name to the commit message?
...)
DESCRIPTION=$(git config branch."$NAME".description)
echo "$NAME"': '$(cat "$1") > "$1"
if [ -n "$DESCRIPTION" ]
then
echo "" >> "$1"
echo $DESCRIPTION >> "$1"
fi
Creates following commit message:
[branch_name]: [original_message]
[branch_description]
I'm using issu...
How to assign a heredoc value to a variable in Bash?
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You can avoid a useless use of cat and handle mismatched quotes better with this:
$ read -r -d '' VAR <<'EOF'
abc'asdf"
$(dont-execute-this)
foo"bar"''
EOF
If you don't quote the variable when you echo it, newlines are lost. Quoting it preserves t...
Web colors in an Android color xml resource file
...r>
<color name="Bisque">#FFE4C4</color>
<color name="Moccasin">#FFE4B5</color>
<color name="NavajoWhite">#FFDEAD</color>
<color name="PeachPuff">#FFDAB9</color>
<color name="Gold">#FFD700</color>
<color name="Pink">#FFC0CB<...
Awaiting multiple Tasks with different results
...ou use WhenAll, you can pull the results out individually with await:
var catTask = FeedCat();
var houseTask = SellHouse();
var carTask = BuyCar();
await Task.WhenAll(catTask, houseTask, carTask);
var cat = await catTask;
var house = await houseTask;
var car = await carTask;
You can also use Ta...
How to exit git log or git diff [duplicate]
... just printed to the terminal define the environment variable GIT_PAGER to cat or set core.pager to cat (execute git config --global core.pager cat).
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When should I use the Visitor Design Pattern? [closed]
...rarchy of animals
class Animal { };
class Dog: public Animal { };
class Cat: public Animal { };
(Suppose it is a complex hierarchy with a well-established interface.)
Now we want to add a new operation to the hierarchy, namely we want each animal to make its sound. As far as the hierarchy is ...