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How do I encode/decode HTML entities in Ruby?
...nd has a huge contributing community.
Samples:
a = Nokogiri::HTML.parse "foo bär"
a.text
=> "foo bär"
or
a = Nokogiri::HTML.parse "¡I'm highly annoyed with character references!"
a.text
=> "¡I'm highly annoyed with character references...
How to define an alias in fish shell?
...
This is how I define a new function foo, run it, and save it persistently.
sthorne@pearl~> function foo
echo 'foo was here'
end
sthorne@pearl~> foo
foo was here
sthorne@pearl~> funcsave foo
...
With MySQL, how can I generate a column containing the record index in a table?
...
SELECT @i:=@i+1 AS iterator, t.*
FROM tablename t,(SELECT @i:=0) foo
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SQL NVARCHAR and VARCHAR Limits
... it will be typed as nvarchar(n) where n is the length of the string. So N'Foo' will be treated as nvarchar(3) for example. If the string is longer than 4,000 characters it will be treated as nvarchar(max)
If you don't use the N prefix and the string is <= 8,000 characters long it will be typed a...
Why historically do people use 255 not 256 for database field magnitudes?
...
And reading into char foo[256] is important because memory management likes powers of 2. see: stackoverflow.com/questions/3190146/… Allocating char foo[257] will either fragment memory or take up 512 bytes.
– ebyrob
...
What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
...swered Jul 24 '12 at 14:42
Fred FooFred Foo
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How can I pass arguments to a batch file?
...ommand /u %arg1% /p %arg2% %*
When you run:
test-command admin password foo bar
the above batch file will run:
fake-command /u admin /p password admin password foo bar
I may have the syntax slightly wrong, but this is the general idea.
...
How to prettyprint a JSON file?
...ent by:
>>> import json
>>>
>>> your_json = '["foo", {"bar":["baz", null, 1.0, 2]}]'
>>> parsed = json.loads(your_json)
>>> print(json.dumps(parsed, indent=4, sort_keys=True))
[
"foo",
{
"bar": [
"baz",
null,
...
What is 'Pattern Matching' in functional languages?
... demonstrate, I'll pretend like JavaScript had pattern matching.
function foo(a,b,c){} //no pattern matching, just a list of arguments
function foo2([a],{prop1:d,prop2:e}, 35){} //invented pattern matching in JavaScript
In foo2, it expects a to be an array, it breaks apart the second argument, e...
The Concept of 'Hold space' and 'Pattern space' in sed
...out each host, with lots of junk in between that I dont care about.
Host: foo1
some junk, doesnt matter
some junk, doesnt matter
Info: about foo1 that I really care about!!
some junk, doesnt matter
some junk, doesnt matter
Info: a second line about foo1 that I really care about!!
some junk, doesnt ...